Home

Potomac ESAS2800 iSCSI to SAS Bridge 3006.2800 User Manual

1. Local adapter Microsoft iSCSI Initiator v Source IP 10 0 0 237 v Target portal 10 10 10 50 3260 v CRC Checksum Data digest Header digest _ CHAP logon information Use RADIUS to generate user authentication credentials F Use RADIUS to authenticate target credentials This advanced settings page is the same as that of the discovery with one addition On the Connect by using section the user can select the Target Port that he wishes to connect too This is particularly useful if the user is going to create multiple connections In this example we have chosen to connect to the IP address 10 10 10 50 on port 3260 ISCSI to SAS Page 44 To see how this relates to the iSCSI Bridge configuration note the IP addresses in the window shown below i ridge Management Console Windows Inter z JE Ar http i710 10 10 10 iscst sj x fin P j eA EEE S Asar FE A ESCs Bridge Manage DEAA 154 Set up the Digest and CHAP settings as described in stage 2 during the discovery phase and click OK This will now take you back to the window that was shown in figure 10 Click OK once more The user should now see the iSCSI Target connected Favorite Targets a To access storage devices for a target select the target and then click Log on To see information about sessions connections and devices for a target dick Details Targets Name Status ign 1988 11 com dell b
2. Potomac ESAS2800 Page 47 Now click on the Advanced button to see the Advanced Settings Connect by using Local adapter Microsoft iSCSI Initiator Source IP 10 10 11 56 lt Target portal 10 10 11 50 3260 v CRC Checksum Data digest Header digest E CHAP logon information CHAP helps ensure data security by providing authentication between target and an initiator To use it specify the same target CHAP secret that was configured on the target For this initiator User name ign 1991 05 com microsoft tarquin vista F Use RADIUS to generate user authentication credentials Perform mutual authentication To use mutual CHAP either specify an initiator secret on the Initiator Settings page or use RADIUS The same secret must be configured on the target Use RADIUS to authenticate target credentials Select the Source IP address and the Target Portal that you wish to connect too via the pull down menus in the Connect by using section When setting up multiple connections you ideally want to connect to different ports and different network interfaces In this example we have connected to 10 10 10 50 3260 as the leading connection and the second connection will be 10 10 11 50 3260 The corresponding network configuration on the iSCSI Bridge for the example above is shown below G ny hetp 101030 50 comnections pel D gt E ae ner Q Toos mors internet Prot
3. To open connection click its icon To access settings and components af a rannertian vinhkeclicl ike iran 2 2 3 objectis Dr Gigabit Ethernet Status 2 x General A general status page will be displayed From within this p Connection page select Properties Status Connected Duration 00 25 10 Speed 1 0 Gbps Activity Sent P Received Packets 58 720 86 280 Disable Close Potomac ESAS2800 Page 35 zjx Gigabit Ethernet Properties General Sharing Connect using BY NETGEAR G4311 Gigabit Adapter Configure Components checked are used by this connection vi amp Client for Microsoft Networks C E Network Load Balancing vi A File and Printer Sharing for Microsoft Networks MI Internet Protocol TCP IP Install Uninstall Properties Description Allows your computer to access resources on a Microsoft network IV Show icon in taskbar when connected OK Cancel Internet Protocol TCP IP Properties 2 x General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an IF address automatically Use the following IP address IP address Ts TED seld Subnet mask 255 255 255 D Default gateway i j Obtain DNS server address automatical
4. N BRIDGEWORKS simply making data flow Potomac ESAS2800 ISCSI to SAS Bridge 3006 2800 User Manual V3 3 Bridgeworks 135 Somerford Road Christchurch Dorset BH23 3PY Tel 44 0 1202 588 588 Fax 44 0 1202 588 589 Email support 4bridgeworks com Manual Revision History Revision Date Firmware 3 0 July 2011 3 1 April 2012 V3_02 AP 3 2 May 2012 V3_03 AP 3 3 October 2013 V3 04 AP iSCSI to SAS Page 2 Warning The Bridgeworks Potomac ESAS2800 iSCSI to SAS Bridge contains no user serviceable components Only an Authorized Service Centre should carry out any servicing or repairs Unauthorized repairs or modifications will immediately void your warranty Before You Start There are a number of additional pieces of equipment you will require for the successful installation of your Bridge Ethernet Cable You will require a good quality cable of suitable length to go between your network access point and the Bridge This should be marked as certified to Cat 5e and have a RJ45 style connecior at the Bridge end SAS Cable The Bridge uses a Mini SAS style connector also known as an IPASS connector with 4 SAS connections per port You will require a SAS cable that supports this connector at the Bridge end and the type of connect your peripheral device supports at the other If you are in any doubt please contact your reseller for assistance Potomac ESAS2800 Page 3 Table of
5. To enable email alerts on the Bridge click the tick box next to Enable Alerts this will allow you to alter the contents of the currently greyed out fields The following fields need to be completed Recipient Email Address This is the email address to which the emails will be sent Senders Email Address This is the email address that emails will be sent from This can be any address and does not have to be genuine which is useful for email filtering For example entering logs 4bridgeworks com would allow emails from this address to be filtered to a specified folder in the users email client Trigger Event Log Level This allows the user to specify what severity of event will trigger the log to be emailed with Critical Events being the most severe and Warning Events being the least For each level picked the higher level logs will also be emailed for example selecting Error Events will also send all Critical Events Potomac ESAS2800 Page 19 Below are examples of events that will be sent for each log level e Critical The Bridge is running at non recommended temperatures e Error The Bridge rejected a login attempt e Warning An Initiator has logged out of the Bridge 3 4 3 ISNS Internet Storage Name Service allows automated discovery management and configuration of each iSCSI resource from a central point If this option is enabled the Bridge will register its resources with a central iSNS server To enable iSNS on the Bridg
6. check network cables and that the iSCSI Bridge is operational ISCSI to SAS Page 56 To connect to one of the iSCSI Targets click on one of the target names and then click the Log on button A window should appear Connect To Target Ei Target name gn 2002 12 com 4bridgeworks 000000 977d098e36978373 00000 f Add this connection to the list of Favorite Targets This will make the system automatically attempt to restore the connection every time this computer restarts Enable multi path Advanced Cancel Even if the user wishes to connect to the ISCSI Target using Multipath they should not check Enable Multi path Check box This will be covered in a following section Now click on the advanced button to see the advanced settings A window should appear as below Advanced Settings 24x General IPsec M Connect using Local adapter Initiator IP Defa o i Target portal IP Default v MERC Checksum J Data digest I Header digest I Enable CHAP log on M CHAP Log on information GHAP helps ensure connection security by providing authentication between target and an initiator To use specify the same name and CHAP secret that was configured on the target For this initiator The name will default to the Initiator Name of the system unless another name is specified Mame ign 1991 05 com microsoft win d3081sidkbe Target secret
7. requests to all processing paths This session has the following connections Source Portal Target Portal Status Type Weight C 10 0 0 237 5 10 10 10 50 Conne Active n a 0 Remove Edit Cancel The Session Connections window shows how many iSCSI Connections are active and the type of load balance used For all iSCSI Sessions there will be at least one leading connection ISCSI connections can be added and removed at any time all apart from the leading connection which can only be removed when the iSCSI Session is logged off The Load balance policy specifies how the data Is distributed over multiple connections The main policies that should be used are Round Robin and Fail Over Only Round Robin will utilize all connections for data and evenly distribute the data Fail Over Only will use the Leading connection for data transfer If a connection should go down then the data transfer shall switch on one of the other connections For most purposes Round Robin will provide the greatest performance increase If you have been experiencing a performance decrease when transferring data to more than one device using multiple connections please refer to the trouble shooting guide To add a new connection to a session click on the Add button and a new window should appear Add Connection Target name n 1988 11 com dell b9ad34 spi 6 0 0 Advanced Cancel
8. B2 Connecting to an iSCSI Device using the Microsoft iSCSI Initiator in Windows SAVE COU SIAC ee 51 ISCSI to SAS Page 4 Appendix C Visual INGICAtOIS cccccseccceecceeeeceeeeceeeceuceceueeceeessueeseesaeeessuseseeesags Appendix D Technical SpecifiCations ccccceccccssececeececeeeeeseeseseeeesaeeeseeessaeeesans Potomac ESAS2800 Page 5 1 0 Introduction Thank you for purchasing the Bridgeworks iSCSI to SAS Bridge The Bridge has been designed to ensure that in the majority of installations it will require the minimum of set up before use However we suggest you read the following section that will guide you through setting up both the network and SAS aspects of the iSCSI Bridge The GUI Management section guide you through the initial set up required to install the Bridge on to your network 1 1 Overview The iSCSI Bridge creates an interface between a network which utilises the Ethernet protocol and peripherals that utilise the SAS bus The internal circuitry of the Bridge acts as a two way interface converting the data packets that are received on the network into data transfers and electrical signals that storage devices such as disks tape drives and optical disks understand on the SAS bus The Bridgeworks Small Enterprise iSCSI Bridge ISCSI to SAS Page 6 1 2 Manual Layout Throughout the manual symbols will be used to quickly identify different pieces of information This icon represents a
9. Bridge will authenticate itself with the initiator using the initiator secret SCSI Target Device A SCSI device is a device that is connected to the SCSI bus that can be accessed by the Server Each device on the SCSI bus has a Unique ID number in the range 0 15 VA Note By convention ID 7 on the SCSI Bus is reserved by the Server s Host Bus Adaptor Logical Unit Numbers LUN Each SCSI device on the SCSI bus can support sub devices These are called LUNs Within the iSCSI Connect Bridge each SCSI ID on the SCSI bus can support 7 LUNs Potomac ESAS2800 Page 7 1 4 Safety Notices A This device should only be installed by suitably trained personnel Protection provided by the equipment may be impaired if used in a manner not specified by the manufacturer Do not block the enclosure s vents Air enters from the front and is exhausted out the back of the device This device is connected to the AC power line Before using the device please read the instructions carefully in order to use the device correctly and safely For the installation instructions refer to the installation section of this guide Class Equipment This equipment must be earthed The power plug must be connected to a properly wired earth ground socket outlet An improperly wired socket outlet could place hazardous voltages on accessible metal parts Do not attempt to service the equipment yourself doing so will void the warranty and may damage the syst
10. Contents 1 0 MOAN 6 1 1 DEN EEE EE EEE EE rr 6 1 2 MENA SO 7 1 3 BET EEE EEE EN Sees aes capes 7 14 SAVN NUSA 8 2 0 Installing the ESAS2800 Bridge cccccccseecceeecececeeeceuseceeeeeeeeseueesseeseeeens 9 2 1 Connecting the Ethernet Interface rrrrrnrrrrnrrrrnnnrrranrrrnnnrrranrnnnnnennanennnn 9 2 2 SAS BYS ONE 10 2 3 Connecting the Power Supply cccccccccseceeceeeeceeeesseeeseeeesseeeseeeesseeeees 11 3 0 Configuring the ESAS2800 Bridge cccccccceececeeeeeseeeeeeeeeeseeeesaeeessaeeesees 12 3 1 Using the Web Intertace c cccccseccececseeeceeeceuseceeeseeseseueeseeessueeneeesaes 12 3 1 1 BrOWSEI Serepan i or a ET O E T 12 3 1 2 Connecting to the Web Interface rrrrnrrrrnnrrrrnrrrranrrrnnnrrnrnnnnnnnnennnn 12 3 2 Configuring the Network Parameters rrrnnnrrnnnnrnnnnnrnnnrrnnnnrennnnrnnnnrennnnen 15 3 2 1 Setting the Hostname r rnnnrnrannnnnnnrvranrrnnnnenranrnrannennanenransrnnnnennassnnnnee 15 3 22 ENSDING I PVG Lasser as 15 320 Sel NE MT Uinta a a a 16 32 4 Setting the IP AJAESS enin 16 325 Setting 116 SUDNEEMASK urene 16 3 2 6 Setting the Gateway Address rrnrrrrarrnnnnnrnranrrrannennnnenranennnnnenrnnennnnne 16 3 2 7 Setting an IPv6 IP Address rrrrnnnrnrnnennnnnvanrnnnnrnnnrnnanennnnnvanennnnrnnnrnnnne 17 328 COMMING VE CANE 4 17 3 2 9 Reconnect to the BIAS su asnagoseaNKGGGSGENKGGTGKINMgGNG 17 3 3 Passwords and SECU sa PET 18 3 4 NEIWO
11. I Perform mutual authentication To Use mutual CHAP either specify an initiator secret on the Configuration page or use RADIUS IT Use RADIUS to generate user authentication credentials J Use RADIUS to authenticate target credentials This advanced settings page is the same as that of the discovery with one addition On the Connect using section the user can select the Target Port that he wishes to connect to This is particularly useful if the user is going to create multiple connections In this example we have chosen to connect to the IP address 10 10 10 99 on port 3260 Potomac ESAS2800 Page 57 Set up the Digest and CHAP settings as described in stage 2 during the discovery phase and click OK This will now take you back to the Connect to Target window Click OK once more The user should now see the iSCSI Target connected iSCSI Initiator Properties Fa Targets Discovery Favorite Targets volumes and Devices RADIUS Configuration Quick Connect To discover and log on to target using basic connection type the IP address or DNS name of the target and then click Quick Connect Target Quick Connect Discovered targets Refresh iqn 2002 12 com 4bridgeworks 000000 977d098e36978 Connected iqn 2002 12 com 4bridgeworks 000000 977d0a8e36978 Inactive To connect using advanced options select a target and then click Connect To completely disconnect a target select the target and
12. capabdity Otherwise you need to ask your network administrator id Click Use the following IP Address Obtain an IP address automaticaly nee rer Enter 10 10 10 11 into the IP Address field Subnet mask 255 255 255 0 Default gateway 0 0 i Enter 255 255 255 0 into the Subnet Mask field Obtain ONS server address automaticaly Use the folowing DNS server addresses Finally click the OK button Note Once you have completed the initial set up of the Bridge return your computer to the original settings and reconnect to the Bridge ISCSI to SAS Page 38 Appendix B Microsoft iSCSI Initiator B1 Connecting to an iSCSI Device using the Microsoft iSCSI Initiator in Windows Vista Server 2008 R1 or Server 2003 There are many iSCSI Initiators available However for the purpose of this user guide we shall concentrate only on the Microsoft iSCSI Initiator In this example we have used the Microsoft iSCSI that is available with Microsoft Vista However the following procedure should be identical for all versions of Microsoft iSCSI Initiator Step 1 General Set up Open the iSCSI initiator and then click on the General Tab You should see a window as shown below ISCSI Initiator Properties Favorite Targets Volumesand Devices RADIUS General Discovery Targets iSCSI devices are disk tapes CDs and other storage devices on another computer on your network that you can connect to Your computer is called an
13. fen and preter located oa other ntan comput of henge thang vetter ay rn gotere ry sete Chemia ard tein Aata pritlerd lt n get DELS Duste este Local Area Connection Status A general status page will be displayed From within IPv4 Connectivity Intemet this page select Properties IPv6 Connectivity No Internet access Meda State Enabled Durabon 11 days 09 37 18 Speed 1 0 Gbps sinn Sent A Re ceiwed a Bytes 8 714 667 387 8 676 681 643 Er or Local Area Connection Properties Connect using Select the Internet Protocol Version 4 TCP IP KP Realtek RTL8168D 8111D Family PCI E Gigabit Ethemet entry and then Pro pe rties This connection uses the following items IM Client for Microsoft Networks Z QoS Packet Scheduler File and Printer Sharing for Microsoft Networks Intemet Protocol Version 6 TCP IPv6 fa Inmtemet Frotoco Link Layer Topology Discovery Mapper 1 0 Driver Link Layer Topology Discovery Responder Install Description Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communication across diverse interconnected networks OK Cancel Potomac ESAS2800 Page 37 Internet Protocol Version m CPAPv4 Properties 2 e General Make a Note of your current set up then You can get IP settings assigned automatically if your network supports this
14. files lanscan lanscan exe and lanscan bat For the GNU Linux operating system the lanscan executable is needed For the Windows operating system the lanscan exe and lanscan bat files are required Linux Execute lanscan within a console and the output is displayed on screen Windows Double click on lanscan bat This will create a file named lanscan txt Open lanscan txt within a text editor to view the discovered Bridgeworks devices Typical output c CA WINDOWS System32 cmd exe P FC Bridge Port gt IP Address 16 18 11 18 AA A4 1 bh AA 84 Ac 255 255 255 0 14 14 14 255 4 6 6 8 1568 14 14 14 31 AAN A4 1h A6 8A8 A2 255 255 255 868 14 14 14 255 hridgeworks F 1200 FC SCSI Bridge IP Address 14 4 4 241 Mac HH ch 9f 2arbf Se Hetmask 255 255 255 Broadcast 14 4 4 255 Gateway Sdocuments gt Potomac ESAS2800 Page 33 Appendix A Setting up your Computer for Initial Setup A1 Windows 95 98 or NT If your computer is running Windows 95 98 or NT follow the instructions below For users with Windows 2000 2003 or XP instructions are detailed in Appendix A2 and for Windows Server 2008 7 or Vista instructions are detailed in Appendix A3 From the Start menu choose Settings then Control Panel Then click the Network icon Network 2 x Configuration Identification Access Control The following network components are installed In the Network window s Confi gu ration t
15. note of interest about a step or section of information ce This icon represents an important piece of information This icon represents a warning care must be taken and the warning should be read thoroughly 1 3 Definitions In order to understand the process of identifying and configuring devices on the SCSI bus for the Server to communicate with it is necessary to understand some of the terms used by the menus iSCSI Target Device ISCSI target devices are devices such as disk drives tape drives or RAID controllers that are attached to the network Each device is identified by an IQN iSCSI Qualified Name iSCSI Qualified Name IQN Anything connected to a network be it a computer printer or iSCSI device must have a unique identifier such as an IP address to enable other devices to communicate with it With ISCSI devices both targets and initiators an extra level of identification in addition to the IP address is employed This is called the IQN The IQN includes the iSCSI Target s name and an identifier for the shared iSCSI device Example 2002 12 com 4bridgeworks sdt600a014d10 5 CHAP CHAP is an authentication scheme used by Servers to validate the identity of clients and vice versa When CHAP is enabled the initiator must send the correct Username and Target Password to gain access to the iSCSI Bridge The Initiator Secret is provided to allow iSCSI mutual CHAP If mutual CHAP is selected on the Initiator the iSCSI
16. settings for the discovery session to the portal click Advanced IP address or DNS name OK Cancel Now click OK and the Microsoft iSCSI Initiator shall perform the discovery This usually performs quickly but can take up to a minute with multiple network ports Once the discovery is complete the user should see the target listed in the Target Portals list iSCSI Initiator Properties Favorite Targets Volumes and Devices RADIUS lg General Discovery Targets Target portals Address Port Adapter IP address 10 10 10 50 3260 Default Default em ISNS servers Name fr ISCSI to SAS Page 42 If the user has an iSNS server then the address can be added in the iSNS servers list by clicking Add A window should appear Add iSNS Server IP address or DNS name of server Enter the address of the iSNS Server then click OK The Microsoft iSCSI Initiator will now query the iSNS Server and discover any iSCSIl Targets that are registered Step 3 Targets Click on the Targets tab The devices discovered should now be listed and shown as below iSCSI Initiator Properties Favorite Targets I Volumes and Devices RADIUS General Discovery Targets To access storage devices for a target select the target and then click Log on To see information about sessions connections and devices for a target click Details Targets Name Status ign 1
17. 988 11 com dell b9ad34 spi 6 0 0 Inactive ign 1988 11 com dell b9ad34 spi 6 0 1 Inactive In this example two iSCSI targets have been discovered The first device is the tape drive and the second is the media changer If no devices are displayed check the settings used to do the discovery especially the CHAP settings then return to Targets tab and click Refresh If still no devices are displayed check network cables and that the iSCSI Bridge is operational Potomac ESAS2800 Page 43 To connect to one of the iSCSI Targets click on one of the target names and then click the Log on button In this example we have chosen the first target A window should appear Log On to Target Target name Automatically restore this connection when the computer starts Enable multi path A Only select this option if iSCSI multi path software is already installed on your computer Advanced A If the user wishes to connect to the target automatically when the computer is booted click the check box Automatically restore this connection when the computer starts Even if the user wishes to connect to the iSCSI Target using Multipath they should not check Enable Multi path Check box This will be covered in a following section Now click on the advanced button to see the advanced settings A window should appear as below Advanced Settings General IPsec Connect by using
18. 9ad34 spi 6 0 0 Connected ign 1988 11 com dell b9ad34 spi 6 0 1 Inactive Potomac ESAS2800 Page 45 Step 4 Viewing iSCSI Session Details Now that the user has connected to an ISCSI Target to check that the device is connected click on the Details button A window should appear Session Properties Target portal group 1 Status Connected Connection count 1 Session Connections To configure how the connections within this session are load balanced click Connections In this window the user can view the iSCSI Sessions associated to the iSCSI Target how many connections are attached to each iSCSI Session and the Target Portal Group If the user clicks on the Device tab he should see details of the target device Here we can see that the device is an IBM LTO Tape drive Devices These are the devices exposed by iSCSI sessions to the target Click Advanced to view information about the device and configure the multipath policy Devices Device Name MPIO Capable ISCSI to SAS Page 46 Step 5 Creating multiple connections Optional If the user wishes to create multiple connections to an iSCSI Session return to the Session tab in the Target Properties window Click on the Connections button and a window should appear This is shown below Session Connections Connections Load balance policy Round Robin Description The round robin policy attempts to evenly distribute incoming
19. Disconnect then click Disconnect For target properties including configuration of sessions Properties select the target and click Properties For configuration of devices associated with a target select Devices the target and then click Devices More about basic iSCSI connections and targets OK Cancel Apply ISCSI to SAS Page 58 Step 4 Viewing iSCSI Session Details Now that the user has connected to an iSCSI Target to check that the device is connected click on the Properties button A window should appear Properties g Sessions Portal Groups CO fffffasoo1770018 4000013700000008 To add a session click Add session Add session To disconnect one or more sessions select each Disconnect session and then click Disconnect To view devices associated with session select Devices session and then click Devices Session Information Target portal group tag 1 Status Connected Connection count 1 Maximum Allowed Connections 10 Authentication None Specified Header Digest None Specified Data Digest None Specified Configure Multiple Connected Session MCS To add additional connections to a session or configure the MCS policy for a selected session MCS click MCS More Information on iSCSI Sessions OK Cancel In this window the user can view the ISCSI Sessions associated to the ISCSI Target how many connections are attached to eac
20. I Bridge only to respond on port 860 in which case change it to 860 Click on the advanced button to see the advanced options Advanced Settings General IPsec Connect using Local adapter Initiator IP Default v Target portal IP 7 CRC Checksum l Data digest I Header digest I Enable CHAP log on gt CHAP Log on information an initiator specified RADIUS GHAP helps ensure connection security by providing authentication between target and To use specify the same name and CHAP secret that was configured on the target For this initiator The name will default to the Initiator Name of the system unless another name is Name iqn 1991 05 com microsoft win d3081sidkbe Target secret I Perform mutual authentication To use mutual CHAP either specify an initiator secret on the Configuration page or use Use RADIUS to generate user authentication credentials Use RADIUS to authenticate target credentials The Connect using box allows the user to specify which iSCSI Adaptor to use and the Source IP The Local adaptor will only differ from Microsoft iSCSI Initiator setting if an iSCSI Offload card has been installed For the purpose of this guide we shall only use the Microsoft iSCSI Initiator Leaving this setting as default will also use the Microsoft iSCSI Initiator The Initiator IP is used to specify upon which network adaptor the discove
21. R SES ate eee eet 19 SAT NTP SN 19 342 EMALA aa 19 343 SIONS pave EER 20 3 5 ISGS I Target CONNEC ONS acsececatsr cecadeseteruiin adressa wenteeicnekteteders 21 3 6 DENN cane mer ee Rete Renee eed ee eed 22 3 7 Device M ge 23 4 0 Mombasa 24 4 1 System IMTON MANO ssie EEE EE EERE 24 4 2 SE 0 OO EE EE E KE EN 25 5 0 LET AL fe LA NE NN EN EN 26 5 1 Firmware OO ALCS re 26 5 2 Saving the Configuration to DISK cccccccccseeeeeeeeeeeeeeeeeeeeseeeeeseeeesseeeess 27 5 3 Restoring a Saved Configuration ccccccccseececeeeeeeeeseeeesseeeeseeeesseeesees 28 5 4 Restoring Factory DeAUNS s sincesesaincdvuseiecvanetace suse testeraaiacdeustlectereulacdeane ion 28 6 0 Trouble Shooting meirion ee 29 6 1 KOP 29 6 2 Nemo NONE NNN 30 6 3 Device related problems cccseccceeeccececeeeceeeceucecueceueeceueenseessueenseesags 31 6 4 Poor PENANG Guyana aa dead pieudieiacu kodaden ike hadd kloa 32 6 5 OSU PAOGKESS sene 33 Appendix A Setting up your Computer for Initial Setup rrrrarrrrnnrrrranrrrnnnennnnennnn 34 AT NVINGOWS SB BUNN 34 A2 Windows 2000 2003 XP ese roles rahe eae een 35 A3 Windows Vista Server 2008 or Vista Or 7 mrrnrnnnnnnvrvnrnnnvernnvrenrnnenennnvrenrnnnnen 37 Appendix B Microsoft iSCSI Initiator rrrrrnrrrnnnnrrranrrrnnnrnnnnrnrannrnnnnenransnnnnnennnnennnn 39 B1 Connecting to an iSCSI Device using the Microsoft iSCSI Initiator in Windows Vista Server 2008 R1 or Server 2003 essea E 39
22. SSWORDRESET into the password field The unit will respond with a challenge key Copy this key into an email along with your name company and contact details you must include your company s personnel email address for security purposes Send this email to support 4bridgeworks com and a key will be returned for you to enter into the key field Press the reset button once you have entered the key this will reset the admin user password back to admin Potomac ESAS2800 Page 29 6 2 Network problems Under normal operation you should be able to ping the network address of the Bridge and receive a response If this fails run through the following checklist to help you identify the problem Ensure that the Bridge is properly plugged into the library and that the library is powered on Make sure that the power LED on the Bridge is illuminated Ensure that the Ethernet cable is plugged in at both ends Note the status of the LEDs positioned within the Ethernet connector make sure that the Link present LED is illuminated If it is not check with your Network Administrator If you are using a Bridge with two Ethernet ports and only one network cable try using the other network address and or the other network port Ensure you are using the correct network address and netmask Scan the network using the LAN Scan utility to find all the Bridges connected to the network in case the network address is different
23. ab Client for Microsoft Networks Sif 3Com Fast EtherLink XL 10 100Mb TX Ethernet NIC 3C9 E Dial Up Adapter Select the TCP IP entry Y TCP IP gt 3Com Fast EtherLink XL 10 100Mb TX Etherne TCP IP gt Dial Up Adapt v ee P Then the Properties Button i Remove Properties Primary Network Logon Client for Microsoft Networks v File and Print Sharing Description TCP IP is the protocol you use to connect to the Internet and wide area networks 21 xd Click on the IP Address tab Bindings Advanced NetBIOS l DNS Configuration Gateway WINS Configuration IP Address Make a Note of your current set up then n IP address can be automatically assigned to this computer If your network does not automatically assign IP addresses ask your network administrator for an address and then type it in Click on the Specify an IP address button the space below Obtain an IP address automatically Specify an IP address IP Address Enter 10 10 10 11 into the IP Address field Subnet Mask Enter 255 255 255 0 into the Subnet Mask field Finally click the OK button and reboot your computer Note Once you have completed the initial set up of the Bridge return your f computer to the original settings and reconnect to the Bridge ISCSI to SAS Page 34 A2 Windows 2000 2003 XP If your computer is running Windows 2000 2003 or XP follow the instructions below For us
24. address or DNS name Port Default is 3260 10 10 1099 3260 Advanced Cancel Now click OK and the Microsoft ISCSI Initiator shall perform the discovery This usually performs quickly but can take up to a minute with multiple network ports Once the discovery is complete the user should see the target listed in the Target Portals list ISCSI to SAS Page 54 iSCSI Initiator Properties Ea Targets Discovery Favorite Targets volumes and Devices RADIUS Configuration pe portals The system will look for Targets on following portals Refresh Address Port Adapter IPaddress 10 10 10 99 3260 Microsoft iSCSI Initiator 10 10 10 99 To add a target portal click Discover Portal Discover Portal To remove a target portal select the address above and Remove then click Remove FISNS servers The system is registered on the Following iSNS servers Refresh To add an iSNS server click Add Server Add Server To remove an iSNS server select the server above and hero then click Remove More about Discovery and iSNS OK Cancel Apply If the user has an iSNS server then the address can be added in the iSNS servers list by clicking Add Server A window should appear Add iSNS Server Fa Enter the IP address or DNS name of server Enter the address of the iSNS Server then click OK The Microsoft iSCSl Initiator will now query the iSNS Server
25. and discover any iSCSI Targets that are registered Potomac ESAS2800 Page 55 Step 3 Targets Click on the Targets tab The devices discovered should now be listed and shown as below iSCSI Initiator Properties Targets Discovery Favorite Targets Volumes and Devices RADIUS Configuration Quick Connect To discover and log on to target using 4 basic connection type the IP address or DNS name of the target and then click Quick Connect Target Quick Connect Discovered targets Refresh ign 2002 12 com 4bridgeworks 000000 6d7a85844c2F1Fa8 Reconnecting ign z002 12 com 4bridgeworks 001c03 naa S0060b000057 Reconnecting To connect using advanced options select 4 target and then ermet click Connect To completely disconnect a target select the target and Dianenmed then click Disconnect For target properties including configuration of sessions Properties select khe target and click Properties For configuration of devices associated with a target select fiesfzes the target and then click Devices More about basic C51 connections and targets cencel_ y In this example two iSCSI targets have been discovered The first device is the tape drive and the second is the media changer If no devices are displayed check the settings used to do the discovery especially the CHAP settings then return to Targets tab and click Refresh If still no devices are displayed
26. click Change Change To set the initiator CHAP secret for use with mutual CHAP CHAP click CHAP To set up the IPsec tunnel mode addresses For the initiator IPsec click IPsec To generate a report of all connected targets and devices on Report the system click Report More about Configuration In this window the user is able to configure the initiator name specify the initiator secret and set up the IPsec connections For the purpose of this document we shall leave the initiator name as the default Potomac ESAS2800 Page 51 If you intend to use Mutual CHAP authentication you must enter the initiator secret on this page Click on the secret button and a window should be displayed iSCSI Initiator Mutual CHAP Secret Fa The SSI initiator mutual CHAP secret is used to authenticate the target The secret entered here will have to be configured on each target that you wish to use mutual CHAP Mutual CHAF requires the use of initiator authentication when connecting to the target this can be done by using the advanced options when making connections to the target To clear the secret From the initiator click Clear and then Cancel Initiator CHAF secret cane Enter in the initiator secret and click OK The secret should be between 12 and 16 characters Make a note of this secret as you will need to enter this as part of configuring CHAP on the iSCSI Bridge Step 2 Discovery of Devices Befo
27. e click the tick box and enter the IP address for the iSNS Server and click the save button ISCSI to SAS Page 20 3 5 iSCSI Target Connections This configuration page will allow the administrator to configure the password and username for the CHAP authorisation on the Bridge From within the main menu select the iSCSI Target icon from the SCSI System group The GUI will now display the following window Bridge Control iSCSI Target Console Home Authorisation Chap enabled Support Online Help Contact Support CHAP To enable CHAP click the tick box and enter the following details e Username this is the same name as specified in the iSCSI host e Initiator Secret this is the password defined in the iSCSI host e Target Secret this is the password that the Bridge will send to the iSCSI host Multipath Settings Multipath is a method of sending data to an iSCSI target over multiple network connections These network connections can be on the same physical network cable or separate network cables By using Multipath it is possible to increase the network bandwidth to send data over A user may have a single iSCSI Session for an iSCSI Target but within that session may have multiple connections iSCSI uses to two main network ports 3260 and 860 Within the Multipath configuration the user can specify which ports will be made available to the initiator 860 3260 or both By default the Bridge will allow up to 10
28. e in the future We suggest that you use a name that is relevant to its location and or its purpose Note If you select the DHCP mode ensure your DHCP server is set to automatically update the DNS server 3 2 2 Enabling IPv6 Checking this box will enable the Bridge to use IPv6 IP addresses As with lpv4 you can either choose to use DHCP or assign a static IPv6 address To change the settings of a specific connection click on the connection You will be presented with the screen as shown below where you can make changes to the connection Potomac ESAS2800 Page 15 Network Port Network 1 Bridge Control Port Settings MTU Size Use DHCP to assign an IP address automatically Use the following IP address IP Address 10 10 10 120 Netmask 255 255 255 0 Use automatic IPv6 address assignment Use the following IPv6 address IPv6 address Default gateway Up Link Speed 1000Mb s 161579 TX Bytes 596400 0 TX Errors 0 IPv4 Address 10 10 10 120 IPv6 Address 3 2 3 Setting the MTU Enabling larger frames on a jumbo frame capable network can improve the performance of your backup operations Jumbo frames are Ethernet frames that contain more than 1500 bytes of payload MTU Before enabling jumbo frames ensure that all the devices hosts located on the network support the jumbo frame size that you intend to use to connect to the Bridge If you experience network related problems while using jumbo fra
29. e web interface for the Bridge is http 10 10 10 10 3 1 1 Browsers This Bridge supports the following browsers Microsoft Internet Explorer 7 Microsoft Internet Explorer 8 Microsoft Internet Explorer 9 Mozilla Firefox 9 Mozilla Firefox 10 Google Chrome Latest F Note JavaScript must be enabled within the web browser to use the web interfaces functionality cE Important If you choose to use a browser that is not on the list of supported browsers Bridgeworks cannot guarantee the behaviour of the Nodes functionality 3 1 2 Connecting to the Web Interface From within your web browser connect to the Bridge using the address hitp 10 10 10 10 or if you have changed this previously the address of the left hand network port Depending on your current network parameters it may be necessary to change your network settings on your computer for the initial set up See Appendix A for further help Once you have connected to the web interface on the Bridge you will see the entry page shown below ISCSI to SAS Page 12 ton To access the web interface a user name and password must be used the defaults of which are Username admin Password admin Note We suggest that you change your password at the next possible opportunity The GUI will now display the Console Home menu screen as shown below SCSI SAS Bridge Management Console Bridge Control Choose an option Network amp 4 x ll it C
30. ected Mode Of ISCSI to SAS Page 48 Set up CHAP and Digest then click OK The user will now be brought back to the window below Click OK and now the user should see the Session Connections page with two connections Connections Load balance policy Description The round robin policy attempts to evenly distribute incoming requests to all processing paths This session has the following connections Source Portal Target Portal Status Type Weight 10 0 0 237 6 10 10 10 50 Conne Active n a 10 10 11 56 10 10 11 50 Conne Active n a The user can add up to 8 different connections Once the user has completed setting up the connections click OK to return to the iSCSI session page You should now see the number of connections increased In this example we have 2 connections This target has the following sessions Identifier F fff48741d3 ic 40000 13700000008 Session Properties Target portal group 1 Status Connected Connection count 2 Session Connections To configure how the connections within this session are load balanced click Connections Now click on OK to return to the Microsoft iSCSI Initiator main window Potomac ESAS2800 Page 49 Step 6 Logging off an iSCSI Session To log off an iSCSI Session follow the following procedure e Open the Microsoft iSCSI Initiator and click on the Targets tab e Click on the iSCSI session that the user wishes to log off and then cl
31. ecure Connection by clicking this box it will force all further transactions with the GUI to be done via a secure encrypted HTTPS connection Once you have clicked this option save the configuration logout and login again Note Itis not possible to reset the password without logging into the GUI so ensure you remember your password ISCSI to SAS Page 18 3 4 Network Services 3 41 NTP The Network Time Protocol NTP is a protocol for synchronising the clocks of computer systems over the IP network This is used by the Bridge to synchronise its internal clock with the rest of the network This configuration page will allow the administrator to configure the IP addresses for the Network Time Domain server From within the main menu select the Service Control icon under the Network section The GUI will now display the following window Node Control Console Home EG Network Time Protocol SNTP Service Control Reboot System Use NTP wl Logout Support Event Notification Email Enable Email Alerts j Online Help Contact Support ipi Recipient Email Address Sender Email Address Mee Eaa eee Varning Events v SMTP Server SMTP Password To enable NTP on the Bridge click the tick box and enter the IP address for the NTP Server and then click the save button 3 42 Email Alerts The Bridge can notify a systems administrator when certain level log events are observed in the Bridges logs
32. elect the connection above and then Bemawg click Remove To edit the path settings for the MCS policy select a Edit connection above and then click Edit HE OK Cancel Apply The user can add up to 10 different connections Once the user has completed setting up the connections click OK to return to the iSCSI session page You should now see the number of connections increased In this example we have 2 connections Sessions Portal Groups Refresh C f fffa8001770018 4000013700000007 To add session click Add session Add session To disconnect one or more sessions select each Disconnect session and then click Disconnect To view devices associated with a session select Devices session and then click Devices Session Information Target portal group tag 1 Status Connected Connection count 2 Maximum Allowed Connections 10 Authentication None Specified Header Digest None Specified Data Digest None Specified Configure Multiple Connected Session MCS To add additional connections to a session or configure the MCS policy for a selected session MCS click MCS More Information on iSCSI Sessions OK Cancel Now click on OK to return to the Microsoft iSCSI Initiator main window ISCSI to SAS Page 62 Step 6 Logging off an iSCSI Session To log off an iSCSI Session follow the following procedure e Open the Microsoft iSCSI Initiator and click on
33. em This unit contains hazardous voltages and should only be opened by a trained and qualified technician To prevent electric shock do not remove the cover There are no user serviceable parts inside The power cord is used as a disconnection device To de energize the equipment disconnect the power cord Do not use the equipment where it can get wet Protect equipment from liquid intrusion If your equipment gets wet disconnect power to the equipment and to any attached devices If the Bridge is connected to an electrical outlet turn off the AC power at the circuit breaker before attempting to remove the power cables from the electrical outlet Disconnect any attached devices Use only the power supply cord set provided with the system for this unit should this not be correct for your geographical area please contact your supplier The mains plug to the rear of the unit is used as the power disconnect device please ensure that this is kept clear from any obstruction and is visible at all times Before installing or removing signal cables ensure that the power cables for the system unit and all attached devices are unplugged To prevent electrical shock hazard disconnect the power cable from the electrical outlet before relocating the system Class 1 Laser Product Certain models will use a Small Form Factor Pluggable GBIC module for connection to an optical network These devices may use a Class 1 Laser device it is important
34. en target and an initiator To use specify the same name and CHAP secret that was configured on the target For this initiator The name will default to the Initiator Name of the system unless another name is specified Name iqn 1991 05 com microsoft win d3081 sidkbe Target secret IT Perform mutual authentication To use mutual GHAP either specify an initiator secret on the Configuration page or use RADIUS IT Use RADIUS to generate user authentication credentials Use RADIUS to authenticate target credentials Select the Initiator IP address and the Target Portal that you wish to connect too via the pull down menus in the Connect by using section When setting up multiple connections you ideally want to connect to different ports and different network interfaces Set up CHAP then click OK The user will now be brought back to the window below Click OK and now the user should see the Session Connections page with two connections Potomac ESAS2800 Page 61 Multiple Connected Session MCS MCS policy Round Robin vl Description The round robin policy attempts to evenly distribute incoming requests to all processing paths This session has the Following connections Source Portal Target Portal Weight 0 0 0 0 60102 10 10 10 107 3 Connected Active n a 0 0 0 0 63942 10 10 10 107 3 Connected Active n a o oc To add connection click Add To remove a connection s
35. ers with Windows 95 98 or NT instructions are detailed in Appendix A1 and for Windows Server 2008 7 or Vista instructions are detailed in Appendix A3 From the Desktop or Start menu select My Computer 2 my Computer m i xi Ce KN In the My Computer window select Network Go beak GJ Qsearch CYFolders CAHistory l g Di X F r p eat i a and Dial up Connections positioned in the bottom left hand corner 4 L ays Floppy 4 314 Inch Floppy Disk Local Disk C Local Disk My Compute r amp Compact Disc D Compact Disc amp Data on ntserver Network Drive Select an item to view its Control Panel System Folder description Displays the files and folders on your computer See also My Documents My Network Places Network and Dial up Connections 5 object s a From within the displayed Network and File Edit View Favorites Tools Advanced Help a a Sika S pad Gas Gear eon Ee Dial up Connections select the interface address E network and Dialup Connections ee Connection that will be used to connect to el AT Name 7 Type the Bridge in this example we have oe ean si selected the Gigabit Ethernet interface Network and Dial up Connections ath Gigabit Ethernet LAN This folder contains network connections for this computer and a wizard to help you create a new connection To create a new connection click Make New Connection
36. from that expected See Section Lost IP Address If none of the above resolves your problem then after consulting with your Network Administrator please contact support ISCSI to SAS Page 30 6 3 Device related problems Once the Bridge has booted and the target devices have finished initialising these devices should be available on the host machine After checking that you have correctly configured the initiator run through the following checklist to help you identify the problem Ensure that the devices are powered on and are ready some libraries can take 5 minutes or more before they are ready and appear on the Bridge The power up status of libraries are usually displayed on the front panel Ensure that the cables between the Bridge and the devices are connected Connect to the Bridge via the GUI and check that devices are present in the Device management window and are enabled you will need to drill down each device entry to see this option If you can ping the Bridge but the GUI fails to appear check the setting within the Web Browser you are using If you are directly connected to the Bridge then any proxy setting will require adjustment and may require you to contact your administrator Ensure that the CHAP settings for the initiator and the Bridge are the same A common mistake is when enabling CHAP only for a device after the initial discovery by the initiator It will be necessary to remove the address f
37. h ISCSI Session and the Target Portal Group If the user clicks on the Devices tab he should see details of the target device Port 2 Bus 0 Target 0 LUN O Volume path names Legacy device name Device interface name 4 Configure Multipath 10 MPIC To configure the MPIO policy for selected device click MPIC MEI Information On iSCSI Device Details Potomac ESAS2800 Page 59 Step 5 Creating multiple connections Optional If the user wishes to create multiple connections to an iSCSI Session return to the Session tab in the Target Properties window Click on the MCS button and a window should appear This is shown below Multiple Connected Session MCS x MES policy The round robin policy attempts to evenly distribute incoming requests to all processing paths This session has the Following connections Source Portal Target Portal 0 0 0 0 61894 10 10 10 107 3 Connected Active n a mn To add connection click Add Add To remove connection select the connection above and then Bertone click Remove To edit the path settings for the MCS policy select Edit connection above and then click Edit Cancel App The Multiple Connected Session window shows how many iSCSI Connections are active and the type of load balance used For all iSCSI Sessions there will be at least one leading connection ISCSI connections can be added a
38. iSCSI connections per iSCSI Session However some initiators will only allow 1 iSCSI Connection per iSCSI Session and will reject any login to an iSCSI Target that tries to negotiate more iSCSI Connections T 1 VA Note See Appendix B for how to set up multipath on a Microsoft based Server Potomac ESAS2800 Page 21 3 6 iSCSI Sessions Each initiator will open a session with each target device to review these connections select the iSCSI secessions page from the SCSI group Bridge Control Console Home Reboot System Logout Support Online Help This page lists the current connections i e logged on from iSCSI hosts It displays which initiator is connected to which Target device Note It is possible that more than one host to be connected to any target device or one host to multiple target devices Should it be required it is possible to send a logout request to a host by highlighting the host connection and pressing the logout button Note Many initiators are configured to automatically reconnect after completing the logout request If this is the case then the connections window may not show any change ISCSI to SAS Page 22 3 Device Manager This configuration page will allow the administrator to configure a number of parameters that control the behavior of the SAS bus From within the main menu select the Device Management section The GUI will now display the f
39. ick Details e Inthe Target Properties window select the Sessions Tab and select the identifier that is to be logged off e Click the Log off button This will log off all connections associated with the iSCSI Session The session identifier should now be removed from the identifier list Click ok to return to the main iSCSI Initiator window The iSCSI device should now show as inactive ISCSI to SAS Page 50 B2 Connecting to an iSCSI Device using the Microsoft iSCSI Initiator in Windows Server 2008 R2 There are many iSCSI initiators available For the purpose of this user guide we shall concentrate only on the Microsoft iSCSI Initiator In this example we have used the Microsoft iSCSI that is available with Microsoft Server 2008 R2 Step 1 General Set up Open the iSCSI initiator and then click on the Configuration Tab You should see a window as shown below iSCSI Initiator Properties xi Targets Discovery Favorite Targets volumes and Devices RADIUS Configuration Configuration settings here are global and will affect any Future connections made with the initiator Any existing connections may continue to work but can Fail if the system restarts or the initiator otherwise tries to reconnect to target When connecting to a target advanced connection features allow specific control of a particular connection Initiator Name ign 1991 05 com microsoft win d308 1 sidkbe To modify the initiator name
40. ing an IPv6 IP Address If IPV6 is enabled on the network connections page here you can choose to use DHCP to automatically assign an IPv6 address or you can set a static IPv6 address If you choose to assign a static IPv6 address you will also need to assign an IPv6 subnet mask 3 2 8 Committing the changes Note Before you commit these parameters to memory it is worth checking that all the parameters and spellings are correct and that these have been written down in a safe place for future reference Click the save button to save these parameters and then click the reboot button in the left hand pane 3 2 9 Reconnect to the Bridge If you made changes to your computer return them to their previous setting and reconnect to the Bridge using the IP address or hostname depending on which addressing mode you selected Potomac ESAS2800 Page 17 3 3 Passwords and Security This configuration page will allow the administrator to change the access password for the GUI From within the main menu select the Password and Security icon under the Network section The GUI will now display the following window Node Control Passwords amp Security System Password Old Password New Password Retype New Password Support I Change Password Secure Web Connection fo HTTPS W Online Help To change your password type the existing password and the new password into the appropriate boxes and press save S
41. initiator because it initiates the connection to the iSCSI device which is called a target Initiator Name ign 1991 05 com microsoft tarquin vista To rename the initiator dick Change Change To use mutual CHAP authentication for verifying targets set up a CHAP secret To set up IPsec tunnel mode addresses dick Set up What is iSCSI n In this window the user is able to configure the initiator name specify the initiator secret and set up the IPsec connections For the purpose of this document we shall leave the initiator name as the default The iSCSI Bridge not support this Potomac ESAS2800 Page 39 If you intend to use Mutual CHAP authentication you must enter the Initiator secret on this page Click on the secret button and a window should be displayed Type a CHAP secret to be used to authenticate verify targets The most secure CHAP secrets are not words and phrases but a random sequence of characters Enter this same CHAP secret on the target so that the initiator can connect CHAP secret Enter in the Initiator Secret and click OK The secret should be between 12 and 16 characters Make a note of this secret as you will need to enter this as part of configuring CHAP on the iSCSI Bridge Step 2 Discovery of Devices Before the user can connect to an iSCSI Target the iSCSI targets must be discovered Click on the Discovery tab and you should see the window below Favori
42. ly Preferred DNS server z Alternate DNS server F Advanced Use the following DNS server addresses OK Cancel Select the Internet Protocol TCP IP entry and then Properties Make a Note of your current set up then Click Use the following IP Address Enter 10 10 10 11 into the IP Address field Enter 255 255 255 0 into the Subnet Mask field Finally click the OK button computer to the original settings and reconnect to the Bridge D Note Once you have completed the initial set up of the Bridge return your ISCSI to SAS Page 36 A3 Windows Vista Server 2008 or Vista or 7 If your computer is running Windows Vista or 7 follow the instructions below For users with Windows 95 98 or NT instructions are detailed in Appendix A1 and for Windows 2000 2003 or XP instructions are detailed in Appendix A2 From the Start menu select Control Panel Control Pas Meme si ai a a AE From the control panel select the Douap siea sep ry a owe Network and Internet link followed ee came eae ni tienen veven by the Network and Sharing yer sed manns Centre link id Lovers type internet Cage yow nathan horny settene x sg ea Gr A at AA fat op aran broadband dat up s hoc ox VPN ooammactar og eet up route DEE Now you can see the Local Area YP SCR IEEE PEE OR rer connection dialogue box Double click Local Area Connections a Platt Pr errs ert Ve r pt Ar Acier
43. mes use a smaller jumbo frame size Consult your networking equipment documentation for additional instructions Some networking switches require you to specify the size of the jumbo frame MTU when enabling as opposed to a simple enable command On these switches it might be required to add the necessary bytes needed for the frame header i e header information MTU Typical header size is 28 bytes so a 9000 byte MTU would translate to 9028 byte setting Refer to your switch documentation to understand what the maximum frame size settings are for your switch 3 2 4 Setting the IP Address There are two possibilities when configuring the IP address for the Bridge DHCP the Bridge will seek out the DHCP server on your network and obtain an IP address from the server each time it powers up Static IP the IP address set in this page will be the IP address the unit will use each time it powers up Depending on your configuration either click the DHCP button or set your Static IP address Note If you select the DHCP mode ensure your DHCP server is set to automatically update the DNS server 3 2 5 Setting the Subnet Mask If the Bridge is configured to use DHCP the net mask will be issued from the DHCP server If you are using static IP address enter the IP mask in this box 3 2 6 Setting the Gateway Address Enter in this box the address of your gateway controller for your network ISCSI to SAS Page 16 3 2 7 Sett
44. nd removed at any time all apart from the leading connection which can only be removed when the iSCSI Session is logged off The MCS policy specifies how the data is distributed over multiple connections The main policies that should be used are Round Robin and Fail Over Only Round Robin will utilize all connections for data and evenly distribute the data Fail Over Only will use the Leading connection for data transfer If a connection should go down then the data transfer shall switch on one of the other connections For most purposes Round Robin will provide the greatest performance increase If you have been experiencing a performance decrease when transferring data to more than one device using multiple connections please refer to the trouble shooting guide To add a new connection to a session click on the Add button and a new window should appear ISCSI to SAS Page 60 Add Connection Target name gn 2002 12 com 4bridgeworks 000000 977d0a8e36978526 000000000 Advanced Cancel Now click on the Advanced button to see the Advanced Settings Advanced Settings 7 x General IPsec Connect using Local adapter Microsoft iSCSI Initiator Initiator IP Target portal IP Default v CRC Checksum r Data digest I Header digest I Enable CHAP log on CHAP Log on information GHAP helps ensure connection security by providing authentication betwe
45. nfiguration and load this into each new Bridge as it is initialised This can ease the rollout of multiple Bridges within an enterprise To save the configuration data click on the Click here to Download link from within the Export Configuration window located in the centre of the page Depending on the browser you are using select the option to save file to disk The Bridge will now download an encoded file that contains all the configuration settings for the Bridge Potomac ESAS2800 Page 27 5 3 Restoring a Saved Configuration To reload the configuration click on the Browse button and locate the required configuration to upload into the Bridge Once located click the upload button and the new configuration data will be uploaded Once completed use the various configuration pages to make any further adjustments required and then reboot the system 5 4 Restoring Factory Defaults By clicking on this button all the parameters will be set back to the factory defaults This includes IP address hostname and passwords We recommend that if you return the Bridge for maintenance that you reset to defaults to protect passwords and other sensitive information ISCSI to SAS Page 28 6 0 Trouble shooting 6 1 Lost Password If you have lost the admin password it is possible to reset it with help from Bridgeworks Challenge 249Q35CYD54A Key First ensure that there is nothing entered into the user field and then type PA
46. ollowing window Device Management Global Settings Persistent LUN by Device s OCSI ID gt Mapping Type Multiple Targets with Single LUN Teui 5000E11112E32002 L 0x0000000000000000 Teui 5000E11112E32002 L 0x0000000000000000 Teui 5000E11112E32002 L 0x0001000000000000 Teui 5000E11112E32002 L 0x0001000000000000 Sequential Access Device SPC 3 Removable Media eui SO00E11112E32005 L 0x0000000000000000 0 0 0 0 T Enablea gt Clear Configuration Update Configuration In the first Box at the top of the screen are a number of options for configuring how the Bridge will present the SAS devices on the SCSI interface e Single Target with Multiple LUNs Choose this option if you require all the devices on the SAS ports to appear as a single WWN with devices as LUN underneath this By clicking on the blue triangle in the Device info box you can display further information about each SAS device The expanded information also gives you a device control option Enable Disable Device This pull down menu option allows you to disable a SAS device from appearing on the SCSI interface Potomac ESAS2800 Page 23 4 0 Information 4 1 System Information This System Information page will allow the administrator to view the Performance of the Bridge From within the main menu select the System Information icon from the Bridge Maintenance sec
47. onnections Passwords amp Service Control Security Console Home SCSI Systems e SCSI Target Local Device Management Bridge Maintenance ch EN System view Log file Load Save Firmware Information Configuration Updates Note For security reasons only one person can access this GUI at any one time Therefore to avoid the situation where one person forgets to logout effectively locking up the GUI the Bridge incorporates a five minute idle timer which will automatically logout any user after this period Potomac ESAS2800 Page 13 Within the Support section there is a link that will open up your mail service with Bridgeworks Email address loaded and an Online Help button The Online help is contextually aware of which GUI page you are currently viewing and will provide you with help relevant to the display and configuration data ISCSI to SAS Page 14 3 2 Configuring the Network Parameters Click on the Connections icon to enter the network configuration page Node Control Network Connections Global Network Configuration Console Home Network Ping I eru cn bridgeworks178 Reboot System Nicest are 10 10 10 1 Logout Enable IPv6 E Support Online Help Network Interfaces Contact Support Network 1 Network 2 or Connected 1000Mb s Connected 1000Mb s 00 04 1b 03 04 82 0Q00 04 1b 03 04 83 3 2 1 Setting the Hostname In this box enter the name you wish to use to address this Bridg
48. optimal operating speed upon power up Each SAS port on the Bridge port will support up to 4 SAS channels Connect the SAS cable to the front of the Bridge as shown below ensuring that connector is the correct way up Connecting the SAS Cable to the Bridge SAS Port ISCSI to SAS Page 10 2 3 Connecting the Power Supply Before connecting the Power Supply to the unit ensure the wall plug is removed or switched off Connect the Power Supply to the rear of the Bridge as shown below j Note Before powering up the Bridge ensure all the peripherals are powered up and you have a connection to the network To turn on the Bridge use the switch next to the power connector and push in the button The image above shows the button in the off position Whenever the Bridge is powered on the blue LED on the front panel will be illuminated Now that the Bridge is installed the next stage is to configure it This is described in the next chapter Potomac ESAS2800 Page 11 3 0 Configuring the ESAS2800 Bridge Before the iSCSI Bridge can be used on the network for the first time it is necessary to configure a number of parameters 3 1 Using the Web Interface Now that the Bridge is fully connected the primary method for configuring any option is through its web interface The following section highlights the requirements needed to access these pages and the consistent layout used throughout Note The default IP address of th
49. re the user can connect to an ISCSI Target the targets must be discovered Click on the Discovery tab and you should see the window below iSCSI Initiator Properties Targets Discovery Favorite Targets volumes and Devices RADIUS Configuration Target portals The system will look for Targets on Following portals Refresh Address Port Adapter IP address To add a target portal click Discover Portal Discover Portal To remove target portal select the address above and then click Remove Remove iISNS servers The system is registered on the Following ISNS servers Refresh To add an iSNS server click Add Server Add Server To remove an ISNS server select the server above and Remove then click Remove More about Discovery and iSNS OK Cancel Apply ISCSI to SAS Page 52 To add an iSCSI Target portal click on Discover Portal The user should now be presented with a window Enter an IP address for the iSCSI Target 10 10 10 99 Discover Target Portal EG Enter the IF address or DNS name and port number of the portal you want to add To change the default settings of the discovery of the target portal click the Advanced button IP address or DNS name Port Default is 3260 fi 3260 Advanced Cancel In this example we shall use the IP address of Leave the port 3260 unless you have configured your iSCS
50. rom the discoveries tab and recreate it with the appropriate CHAP settings otherwise any rediscoveries will be attempted without CHAP and no devices will be returned Force a rediscovery from the initiator Reboot the devices and Bridge If none of the above resolves your problem please contact support Potomac ESAS2800 Page 31 6 4 Poor Performance Poor performance can be caused by many differing reasons The following checklist is provided as a guide to where you may find ways to improve performance Ensure your initiator and Bridge are communicating at the fastest possible network speed Within the GUI is the Network Connections window select this and check the Link Speed entry in each of the Link Status Boxes This should be 1000Mb s if this is 10 or 100Mb s this will limit the performance dramatically Packet loss can be a cause of poor performance Within the Link Status Box check the number of TX and RX errors for both network Interfaces that are displayed in the Network Connections window This should be zero or a very small number If these are showing large numbers of errors check the connections between the Bridge and the initiator Also check that the entire network cabling between the Initiator and the Bridge is Cat5e certified By enabling Jumbo packets increasing the MTU size to 9000 from within the GUI Network Connections window section 3 2 2 you can improve the throughput performance of the Bridge This
51. ry will be done In most cases the user will want to leave this as default If multiple network interfaces are installed in the server and the user wishes to select a particular interface select the IP address of that network interface from the pull down list Potomac ESAS2800 Page 53 CRC Checksum settings allow the user to specify whether the discovery is done using Data and or Header Digests Unless the iSCSI device is on a poor quality network where data corruption is likely it is recommended that Header and Data Digesis are left disabled as performance will be affected If the ISCSI Bridge has had CHAP enabled or the user wishes to authenticate the ISCSI Bridge click on the checkbox Enable CHAP log on to enable CHAP Now enter the username and target secret that was configured on the ISCSI Bridge If the user wishes to authenticate the ISCSI Bridge select Perform mutual authentication Note For mutual CHAP to be performed the Initiator Secret must be set on the general tab and be the same as the one configured on the iSCSI Bridge The use of RADUS is beyond the scope of this guide Once the user is satisfied that all advanced options are correct click OK The user should now see a window as below Discover Target Portal Ei Enter the IF address or DNS name and port number of the portal you want to add To change the default settings of the discovery of the target portal click the Advanced button IP
52. s advisable to check for the latest release on a regular basis New versions of the firmware can be downloaded from the Bridgeworks web site at http www 4bridgeworks com software downloads phtmli Once you have downloaded the new firmware to a local disk drive e Click on the browse button to locate the file you have downloaded from the website e Click on the update button Updating the firmware will take a few minutes after which it will be necessary to reboot the system to bring the new code into memory ISCSI to SAS Page 26 5 2 Saving the Configuration to Disk The Load Save Configuration page will allow the administrator to save and load the configuration parameters to a file on a local disk From within the main menu select the Load Save Configuration icon from the Bridge Maintenance section The GUI will now display the following window Load Save Configuration Bridge Control Console Home Import Configuration Reboot System J Browse Note after uploading a new configuration you will need to reboot the bridge Support g Online Help Export Configuration Restore Defaults Once you have finished configuring your Bridge we recommend that you save your configuration data to a local disk By doing so you could save valuable time if the unit requires replacement or if you require restoring an old firmware version as the configuration may change due to upgrades It is possible to create a Boiler Plate co
53. stem System Information Serial number 197762 Logout Firmware Version shepherdm v3 02 Apr 22 2010 16 16 57 iSCSI ION Support Jan 1 16 14 20 notice kernel klogd exiting Online Help Jan 1 16 14 20 info syslogd started BusyBox v1 11 1 Jan 1 16 14 20 notice kernel klogd started BusyBox v1 11 1 2010 04 22 14 11 51 BST Below the log display pane are two options Clear System Log this will delete the current and saved logs within the Bridge Download this will download the log file to your local disk You may be asked by our support team to email this log file to them to aid them in any problem resolution Potomac ESAS2800 Page 25 5 0 Maintenance 5 1 Firmware Updates The Firmware Updates page will allow the administrator to load new firmware into the Bridge From within the main menu select the Firmware Updates icon from the Bridge Maintenance section The GUI will now display the following window Bridge Control Update Firmware Console Home Firmware Upload Reboot System i ici iala u Firmware Revision vielerj v3 02 Mar 30 2011 11 40 27 Logout Firmware image Support Update Online Help After clicking update please wait for this page to change before Contact Support pie ean From time to time it may be necessary to upgrade the firmware within the Bridge New versions contain resolutions to known issues as well as new features and improvements to the functionality of the Bridge It i
54. te Targets Volumes and Devices Discovery Target portals Address Port IP address ISNS servers ISCSI to SAS Page 40 To add an iSCSI Target portal click on Add Portal The user should now be presented with a window Add Target Portal Exa Type the IP address or DNS name and port number of the portal you want to add To select settings for the discovery session to the portal click Advanced IP address or DNS name Advanced gr Enter an IP address for the iSCSI Target In this example we shall use the IP address of 10 10 10 50 Leave the port 3260 unless you have configured your ISCSI Bridge only to respond on port 860 in which case change it to 860 Click on the advanced button to see the advanced options Advanced Settings General IPsec Connect by using Local adapter Microsoft ISCSI Initiator Source IP Default v Target portal CRC Checksum Data digest Header digest CHAP logon information F Use RADIUS to generate user authentication credentials Use RADIUS to authenticate target credentials The Connect by using box allows the user to specify which iSCSI Adaptor to use and the Source IP The Local adaptor will only differ from Microsoft iSCSI Initiator setting if an iSCSI Offload card has been installed For the purpose of this guide we shall only use the Microsoft iSCSI Initiator Leaving this setting as Default will also
55. that you do not stare into the Laser beam ISCSI to SAS Page 8 2 0 Installing the ESAS2800 Bridge There are 3 basic steps to installing the iSCSI Bridge e Connecting the Ethernet cables e Connecting the SAS cables e Connecting the Power Supply 2 1 Connecting the Ethernet Interface The Bridge can be used on the following network configurations e 10BaseT e 100BaseT e 1000BaseT Gigabit It is not necessary to specify which network type you are connected to as when powered up the Bridge will automatically select the correct network speed The connection to the Ethernet network is via an industry standard twisted pair RJ45 copper interface on the front of the unit To connect the Bridge to the Ethernet network insert one or two Cat 5E cables into the connecior on the unit as shown below When the plug is in the correct position a click should be heard Note If you only intend to use a single network connection use the left hand network socket as this is set to 10 10 10 10 for the initial configuration of the Bridge Front Panel of the Bridge Showing Ethernet Cable Connections Potomac ESAS2800 Page 9 2 2 SAS BUS Connection The SAS bus on the Bridge is capable of running at speeds of up to 3Gbits s However devices that operate at slower speeds can still be connected to this SAS bus In a manner similar to the Ethernet connection the Bridge will automatically negotiate with these devices to obtain their
56. the Targets tab e Click on the iSCSI session that the user wishes to log off e Click the Disconnect button This will log off all connections associated with the ISCSI Session The iSCSI device should now show as inactive Potomac ESAS2800 Page 63 Appendix C Visual Indicators Ethernet On Link Off No Link On 1000Mb s Flashing Data Pd Off 10 100mb s SAS Solid Off No link detected Solid On Link detected no activity Flashing activity SAS Channel 1 O o SAS Channel 3 SAS Channel 2 O O SAS Channel 4 A Note During heavy data transfers the LEDs may appear off for an extended period ISCSI to SAS Page 64 Appendix D Technical Specifications Pcs PS omm 108 dam 17 arm 721 100mm 4 in on front and rear faces Electrical Environmental 0 to 40C 32F to 104F 20C to 60C 4F to 140F 8 000m 26 250ft iSCSI Interface SAS Interface O Potomac ESAS2800 Page 65
57. tion The GUI will now display the following window System Information Bridge Control Console Home z amp Firmware Details Firmware Revision vielerj v3 02 Mar 30 2011 11 40 27 Boot loader Revision 1 2 0 1 1 sfc2200 v3 01 09 beta Jun 10 2010 Reboot System Serial Number 007179 iSCSI IQN iqgn 2002 12 com 4bridgeworks D0 1c0b Logout Support System Performance Online Help Contact support Contact Support Data throughput OMB s i CPU Utilisation 0 Memory Usage Within the top window the following information is displayed Current Firmware amp Boot Loader Revision Level SAS Firmware Revision Level Serial Number of the Bridge iSCSI Qualified Name IQN Within the lower window are 3 bar graphs which provide an approximation of the following performance parameters e Data Throughput This indicates the current performance in MB s e CPU This indicates the percentage of the time the CPU is occupied undertaking the management and scheduling the transfer of data between the two interfaces e Memory Usage This indicates the percentage of memory used by all processes ISCSI to SAS Page 24 4 2 System Log This System Log page allows the administrator to view the logged status of the Bridge From within the main menu select the View Log file icon from the Bridge Maintenance section The GUI will now display the following window System Log Node Control Console Home System Log Reboot Sy
58. use the Microsoft iSCSI Initiator The Source IP is used to specify upon which network adaptor the discovery will be done In most cases the user will want to leave this as default If multiple network interfaces are installed in the Server and the user wishes to select a particular interface select the IP address of that network interface from the pull down list Potomac ESAS2800 Page 41 CRC Checksum settings allow the user to specify whether the discovery is done using Data and or Header Digests Unless the iSCSI device is on a poor quality network where data corruption is likely it is recommended then Header and Data Digests are left disabled as performance will be affected If the iSCSI Bridge has had CHAP enabled or the user wishes to authenticate the iSCSI Bridge click on the checkbox CHAP login information to enable CHAP Now enter the username and target secret that was configured on the iSCSI Bridge If the user wishes to authenticate the iSCSI Bridge select Perform mutual authentication Note For mutual CHAP to be performed the Initiator Secret must be set on the general tab and be the same as the one configured on the iSCSI Bridge The use of RADUS is beyond the scope of this guide Once the user is satisfied that all advanced options are correct click OK The user should now see a window as below Add Target Portal xn Type the IP address or DNS name and port number of the portal you want to add To select
59. will only work if ALL of the components in the infrastructure between the Initiator and the Bridge are enabled for Jumbo packets That includes the HBA all switches and routers and the Bridge itself If any of the components are not enabled or not capable of handling Jumbo packets then unexplained packet loss or corruption can happen Data Digests are an extra level of checksum error checking on top of the standard TCP IP checksum error checking configured on the initiator However the calculation of these extra checksums can greatly affect overall performance Therefore Header and Data Digests should only be enabled where the integrity of the Network connection is in doubt Poor GUI performance If the Bridge is transferring large amounts of data then the response from the GUI may seem a little slow as the process that controls the GUI has the lowest priority for Network and CPU resources ISCSI to SAS Page 32 6 5 Lost IP Address Introduction The utility will find any device irrespective of its IP address this can be helpful in determining the IP address of a Bridgeworks device with an unknown IP address and for checking the number of Bridgeworks devices on a network Downloading LAN Scan The utility can be downloaded from http www 4bridgeworks com support software shtml How to use LAN Scan The utility is available under both Windows and Linux and is a CLI based tool The downloaded file is in zip format and contains the

Potomac ESAS2800 iSCSI to SAS Bridge 3006.2800 User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents