HP LeftHand P4000 Windows Solution Pack User Guide
Contents
1. cc eeeeeeeeeeeeeeneeeees x Chapter 1 Using the HP LeftHand P4000 DSM for MPIO OVEKVICW E E 1 Device Specific Modules DSMs and Microsoft MPIO lt lt ssascctasensesseovarsntes hvsacoetiaa 2 Installing the DSM for MPIO ssec 4 Connecting Volumes with the DSM for MPIO pesitictsestineieds eid 7 Verifying DSM for MPIO Operations 21 Chapter 2 Using the HP LeftHand P4000 VSS Provider OVETVIEW sak edited bie en E aes 23 Installing the VSS Provider eee eee 24 Setting Management Group Credentials 27 Working with VSS Snapshots ossessi 30 Troubleshooting the VSS Provider 32 Chapter 3 Using the Authentication Console OVERVIEW sienai set a a E AA 35 Authenticating Management Groups 35 Entering Management Group Credentials 38 Setting Default Credentials Only 40 iii Index 43 Setting Credentials for A New Management Group eee eeeeeeeeeeneeeeeeees iv Figures Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 1 7 Figure 1 8 Figure 1 9 Figure 1 10 Figure 1 12 Figure 1 13 Figure 1 14 Figure 1 15 Figure 1 17 Figure 1 18 Figure 1 19 Figure 1 20 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 6 Figure 2 7 Figure 2 8 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3 6 Figure 3 7 Figure 3 8 Figure 3 9 Choosing the DSM for MPIO to install esenee 6 Entering2. Ce oe jf Figure 1 4 Entering cluster VIP address in the iSCSI initiator 3 On the Targets tab select the volume to log on to Femte tugs vinsemd sans res 1 Cecovery Targets To accews storage dewtces for a target select the target ard then cheb Logon To see information about sessiors connections and Gevices for a target ick Cetais Tags i Rosa Earl Figure 1 5 Logging on to targets volumes in the iSCSI Initiator 4 Click Log On Using the HP LeftHand P4000 DSM for MPIO 9 Connecting Volumes with the DSM for MPIO Log On to Target Target name ign 2003 10 com lefthandnetworks denexchg 6 denexchgmain Automatically restore this connection when the system boots T Enable multi path A Only select this option if iSCSI multi path software is already installed on your computer OK Cancel Figure 1 6 Logging on to target volume 5 Optional If you want this volume to be available after rebooting select the Automatically restore check box Caution Leave the Enable multi path choice unselected since the DSM for MPIO is the only supported multi path solution for Windows servers connected to LeftHand SAN Using the MS multi path choice will adversely affect volume and data availability 6 Click OK to log on to the volume Connecting Application Servers with Multiple NICs to Volumes Connect to the volumes using the iSCSI Initiator as follows 1 Open the iSCSI Initiato
3. 5 After the VSS Provider is installed a reminder window opens Using the HP LeftHand P4000 VSS Provider 25 Installing the VSS Provider MP Leltitand SS Provider Setup Wizard Authentication Reqared O MPORTANTIN The VSS provider is not yet configured In order to create yu must first run the authentication console and passwords for any management groups compersing volumes you intend to back up A shortcut to this console is located under the Start menu tees Cored Figure 2 3 Authentication reminder When you have finished installing all the Solution Pack components you must open the Authentication Console to configure user names and passwords for management groups Click Next to continue Click Finish on the final window to complete the wizard Click Menu on the installer window eo wena Click Exit to close the installer Installing on Windows 2008 Server Core Option Prerequisites e 32 bit or 64 bit version of Windows 2008 Server installed with the Server Core option Note The VSS Installer auto matically installs the correct version of the VSS Provider 1 Copy the VSS Provider installer file to the Windows 2008 server that has the Server Core option installed 26 Using the HP LeftHand P4000 VSS Provider Setting Management Group Credentials 2 Run the installer from the command prompt The installation wizard opens and takes you through the installation process for
4. http www hp com go e updates After registering you will receive e mail notification of product enhancements new driver versions firmware updates and other product resources About this guide ix HP websites HP websites For additional information see the following HP websites http www hp com http www hp com go storage http www hp com service_locator http www hp com support manuals http www hp com support downloads Documentation feedback HP welcomes your feedback To make comments and suggestions about product documenta tion please send a message to storagedocsFeedback hp com All submissions become the property of HP x About this guide Using the HP LeftHand P4000 DSM for MPIO Overview The HP LeftHand P4000 DSM for MPIO DSM for MPIO enables fault tolerant paths to the SAN storage nodes while increasing available bandwidth to the SAN for superior perfor mance When a Windows server running iSCSI connects to a volume on the SAN it establishes an active iSCSI session to each storage node in the cluster The DSM for MPIO enables an application server to continually communicate with the storage node that is hosting a copy of the data that the server is requesting The SAN iQ software aggre gates the Ethernet connections processing power and storage capacity of all nodes This aggregation increases performance and capacity as you add storage nodes to the network Supported Vers
5. HP LeftHand P4000 Windows Solution Pack HP LeftHand P4000 DSM for MPIO HP LeftHand P4000 VSS Provider Authentication Console User Guide Part number AT004 96010 edition March 2009 if Legal and notice information Copyright 2009 Hewlett Packard Development Company L P Confidential computer software Valid license from HP required for possession use or copying Consistent with FAR 12 211and 12 212 Commercial Computer Software Computer Software Documentation and Technical Data for Commercial Itemsare licensed to the U S Government under vendor s standard commercial license The information contained herein is subject to change without notice The only warranties for HP products and services are setforth in the express warranty statements accompanying such products and services Nothing herein should be construed asconstituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein WARRANTY STATEMENT To obtain a copy of the warranty for this product see the warranty information website http www hp com go storagewarranty Microsoft Windows Windows XP and Windows NT are U S registered trademarks of Microsoft Corporation Table Of Contents About this guide HP technical SUPPOMl tessiesesecosansunenseedqoasbectaeadt ix Subscription SELVICE acs ccgets2 so acesateceaa eee ix HPwe bsite Sres inein a e EE R X Documentation feedback
6. Target name ign 2003 10 com lefthandnetworks denexchg 6 denexchgmain Automatically restore this connection when the system boots J Enable multi path A Only select this option if iSCSI multi path software is already installed on your computer OK Cancel Figure 1 14 Logging on to volume 4 Optional If you want this volume to be available after rebooting select the Automatically restore check box Caution Leave the Enable multi path choice unselected since the DSM for MPIO is the only supported multi path solution for Windows servers connected to LeftHand SAN Using the MS multi path choice will adversely affect volume and data availability 5 Click Advanced to open the Advanced Settings window 6 Configure the Advanced Settings as listed in Table 1 2 16 Using the HP LeftHand P4000 DSM for MPIO Connecting Volumes with the DSM for MPIO Provoncedsettings ET General IPSec M Connect by using Local adapter Microsoft SCSI Initiator Source IP 10 20 64 30 Target Portal f Default gt gt CRC 7 Checksum I Data digest T Header digest T CHAP logon information providing authentication between sh tion To use it To use mutual CHAP specify an i page and configure that se ator secret on the Initiator Settings st on the target Cancel Apply Figure 1 15 Target portal value remains Default Table 1 2 Advanced settings when l
7. Management Groups The Authentication Console automatically discovers manage ment groups that are on the same subnet as the client you are working on displayed in the right pane If you have a management group on a different subnet you can add it by adding new management group credentials See Setting Credentials for A New Management Group on page 41 RAF Figure 3 3 Management group credentials in the Authentication Console Entering Management Group Credentials Before using the VSS Provider you must configure credentials for the management group or groups on the SAN These creden tials include the management group name and user name and password Setting Default Credentials in the Credentials Wizard In the Credentials Wizard you can set default credentials for all management groups that use the same user name and password 38 Using the Authentication Console Entering Management Group Credentials E moat of your dtorage modules ute the tame ubermame and password you Cat pay thous walues below The system uses thove default vahues to Goyer your management groups F re paima Crechertiahs tekm temama OOOO 3 40 characters 0 9 z A Z begn wth letter Password 40 Characters a2 A T bagn wth letter Confirm Password Lo Ca Figure 3 4 Default Credentials window in the Credentials Wizard Using VSS Provider 1 On the Default Credentials window make sure that
8. devices for a target tach Oota Targets Se oot aI Figure 1 17 Logging onto a volume on the Targets tab 3 Click Log On Target nana Fan 20010 conn Iatthandhetwrorkedenexchgitadenenchyman I putoenaticaby pastorn thes connection nien the eysten boots Eneble mthpath ES Orly calect thet option E SCSI multi path coftwwre i already natalled on your computer Ened x ca Figure 1 18 Logging on to volume 4 Optional If you want this volume to be available after rebooting select the Automatically restore check box 5 Select the Enable multi path check box 6 Click Advanced to open the Advanced Settings window 7 Configure the Advanced Settings as listed in Table 1 3 Using the HP LeftHand P4000 DSM for MPIO 19 Connecting Volumes with the DSM for MPIO Advanced Settings X PSec roe jF 3100 01 167 on Cancel Figure 1 19 Target portal value remains Default Table 1 3 Advanced settings when logging onto volumes on servers with multiple NICs in a Multi Site SAN Property Setting Local Adapter Microsoft iSCSI Initiator Source IP IP address of the storage NIC to connect to the volume Target Portal Leave as Default so that the Discovery list of VIPs is used in the same order on all storage nodes 8 After setting the values click OK to close the Advanced Settings dialog 9 Click OK again to finish logging on 10 Repeat steps 1 thr
9. the Services list and it isn t started you can start it 32 Using the HP LeftHand P4000 VSS Provider Troubleshooting the VSS Provider Viewing the Event Log Messages The event log reports issues with the VSS Provider the iSCSI ini tiator and Volume Shadow Copy Open the Event Log to view messages about those applications Figure 2 8 Viewing messages in the Event Log Using the HP LeftHand P4000 VSS Provider 33 Troubleshooting the VSS Provider 34 Using the HP LeftHand P4000 VSS Provider Using the Authentication Console Overview Use the Authentication Console with the HP LeftHand P4000 VSS Provider to authenticate management groups on the SAN Then when the management groups are authenticated you can use the Microsoft Volume Shadow Copy Service VSS with the SAN If you are using Windows 2008 Server Core installation you must add the management group credentials using the Registry Editor See Chapter 2 the section about Setting Management Group Credentials on page 27 Authenticating Management Groups Authenticating management groups on the SAN is the first step for using the VSS Provider You authenticate management groups by setting credentials for them in the Authentication Console This authentication is normally a one time process You would need to redo or update the authentication only if you changed any of the following e IP addresses of storage nodes e User name and password f
10. the DSM for MPIO Windows Server 2003 Prerequisites 32 bit or 64 bit version of Windows Server 2003 The latest Microsoft iSCSI initiator Microsoft DSM installed Updating the DSM for MPIO If you are running a 7 x version of DSM for MPIO Uninstall previous version of DSM for MPIO Reboot the server Windows 2003 Download and install the latest version of the MS iSCSI Initiator You must select the Microsoft MPIO Multipathing Support for iSCSI option when you install the Microsoft iSCSI initiator Install the 8 1 DSM for MPIO If you are running the 8 0 version of DSM for MPIO you can simply upgrade from 8 0 to 8 1 using the Solution Pack CD Install the 8 1 DSM for MPIO Windows Server 2008 and Server Core Option Prerequisites 32 bit or 64 bit version of Windows Server 2008 or the Server Core installation Note The Microsoft iSCSI initiator comes installed with both the Windows Server 2008 and the Server Core installation The Microsoft Multipath IO optional feature installed Using the HP LeftHand P4000 DSM for MPIO 5 Installing the DSM for MPIO If Installing DSM for MPIO Into an Existing Microsoft Cluster 1 Move all cluster resources and related file shares to one node that will stay active 2 Pause the node that holds no resources and install the DSM for MPIO Install the DSM for MPIO You must reboot the server to complete the installation 1 Insert the HP LeftHand P4000 Windows S
11. the Use Default Credentials Below check box is selected Type in the user name password and confirm the password 3 Click Next Using the Authentication Console 39 Setting Default Credentials Only You can ether enter credertiais for this managemert group or use the defaut wahues that you provided previously select the Use Defaut chechbox You can best whether the credectios are waid by ciching Test F se Det aut Management Groupe indo 3 40 che acters 09 y2 AT begin weh letter 2 e F 540 characters oc AT begin rth letter Contin Powerd oo _r_ bow VOS Contre _ coat Figure 3 5 Configure Credentials window in the Credentials Wizard 4 Clear the Allow VDS Control checkbox and click Next The default credentials are saved and the Authentication Console opens with any management groups it discovered on the subnet listed in the right pane Figure 3 6 7 management group authentication for V Setting Default Credentials Only You can at any time choose to set default credentials in the Authentication Console without using the Credentials Wizard Also use this choice to change existing default credentials 40 Using the Authentication Console Setting Credentials for A New Management Group 1 From the Action menu click Set Default Credentials Default Credentials uo f t iti s S 3 40 chacin 09 aa AZ begin wath better Peed OO 6 40 chat
12. acters 90 AZ begn w h intai Cortem Parswort a Cancel Figure 3 7 Setting default credentials 2 Type in the user name and password and confirm the password or use the default credentials 3 Click OK The default credentials are saved Setting Credentials for A New Management Group Add credentials for a new management group 1 From the Action menu click New Management Group Credentials M Ure Deland Mra Uocenamne 3 40 chatacters 0S 22 AZ begn wih letter J feet 5 40 chatactees pz AZ begn watt latie Corien Pareword flow YDS Conia Sa a Figure 3 8 Adding credentials for a new management group Using the Authentication Console 41 Setting Credentials for A New Management Group 2 Type in the management group name and the user name and password 3 Click OK The Authentication Console window opens with the new management group listed in the right pane Deleting a Management Group or Default Credentials from the Console 1 Select from the list in the right pane the management group or default credentials that you want to delete 2 Right click and select Delete The selected item is deleted from the list SSS eo oe fee oe oe B gt Figure 3 9 Deleting a management group or default credentials 42 Using the Authentication Console Index A Authenticating Management Group credentials 38 for VSS Provider 27 36 38 41 pre
13. cluster VIP address in the iSCSI initiator ow 9 Logging on to targets volumes in the iSCSI Initiator ow 9 Logging on to target volume oo eee eeeeesecreceneeeseeeaeeeneeeaeees 10 Entering cluster VIP address in the iSCSI Initiator ow 11 Logging on to volumes in the iSCSI Initiator oe 11 Enabling multi path for DSM oo ieee eeeeesseceteeeeeeseeeneeeneees 12 Configuring dvanced settings for multiple NICs owe 12 Entering VIPs in a Multi Site SAN configuration ow 15 Logging onto a volume on the Targets tab eseese 15 Logging on to volume ooo eee eeeeseceneeeeeeeeeceaeceeeeeeeeseeeneeeaeees 16 Target portal value remains Default o ae 17 Logging onto a volume on the Targets tab esseere 19 Logging on to volume arroncsinretonsi riita neii eiaei 19 Target portal value remains Default o ae 20 Verifying the DSM for MPIO connections essees 21 Installing the VSS Provider from the Solution Pack CD _ 24 Choosing which provider to install 25 Authentication reminder oo eee eee eseeseceeeeereesseceeeeeeeeeeeneeeaeees 26 Viewing a VSS named snapshot in the CMC one eeeereees 30 Viewing the VSS Provider Service oo seeeeeeesseeseceeeeeeeneeeseees 32 Viewing messages in the Event Log oe eeeeeeeeereeeneceeeee 33 Reminder to run Authentication Console neeesser 36 Opening the Credentials Wizard the first time oo 37 Management group credentials in the Authentication Console oo eee eeeescesecereeeeceseceseeeeeeseeenaeeneens 38 Default Cr
14. cting Volumes with the DSM for MPIO An example Multi Site SAN configuration is shown In this example Multi Site configuration the cluster has 3 sites Site A Site B and Site C Site A is primary Site C VIP Figure 1 11 Multi site SAN VIPs with DSM for MPIO Connecting Application Servers with a Single NIC to a Multi Site SAN 1 On each application server enter the cluster VIPs in the same order on the Discovery tab of the iSCSI Initiator Properties Discovery tab 14 Using the HP LeftHand P4000 DSM for MPIO Connecting Volumes with the DSM for MPIO iSCSI Initiator Properties xi Favorite Targets Volumes and Devices RADIUS General Discovery Targets M Target portals Address Primary Site VIP Site B VIP Site C VIP Add Portal Remove Refresh iSNS servers Add Remove Refresh Cancel Apply Figure 1 12 Entering VIPs in a Multi Site SAN configuration 2 On the Targets tab select the volume to log on to OASI intietor Propertees Fevatetwgts Vheesadtevces aons Gree Oncovery Targees To access storage Greces for e target ealnct the target and then cick Logon To pre Ptormaticn DOAL SERE Connections and devices tor a target och Dotais Targets Be Figure 1 13 Logging onto a volume on the Targets tab Using the HP LeftHand P4000 DSM for MPIO 15 Connecting Volumes with the DSM for MPIO 3 Click Log On
15. der runs as an NT service You can view both the Volume Shadow Copy service and the VSS Provider service in the Computer Management window under Services and Applica tions gt Services Se otoo ye ynde tiyo ai is OB FAR l si WSS Proveder Ceatrte ted Trae CorG rate Tate detox Sap the servie Horn rt Rewera Satoi Atosa Ganas the serve Borer seperting se Colecty st ated Automate eerti Eratietev Satoi Atomsk Cem gene Bree Fock mcr Alors Shes Marus Crating he VSS alaren ts cored the r anand hata prover So et en ee Servies and hegheaturs orien eerie D Enables oo Onan felechery Srv Hung Manages Cente Sanesi E rery sexe anderen co Daatiod Wat Contra BrtersteMegrg nation me Cwtatainc hasera Serene Ore Servers Iros e Sati Aton kerberos Key Duit On domam Censtins Gie Loaro Monitors a Taratia Matori 5 Ghioane Oetatsan Rated Adone Local Sytem Gio et rag Corfigees Ratri Merc Local System Broo traomts Onateed Local Syston Gotat Maree Rated Atomitie Local System rte Sre Manages s owed Loca Syers Bree Lager Mortars a Marcon local Gyre Pritt P3 j 2 cates BRE Foo ne Figure 2 7 Viewing the VSS Provider service VSS Snapshots Not Completing If VSS snapshots are not completing try authenticating the cre dentials and IP addresses by using the Allow VDS Control checkbox in the Authentication Console Restarting the VSS Provider The VSS Provider starts automatically If you check in
16. e CMC 30 Using the HP LeftHand P4000 VSS Provider Working with VSS Snapshots Note When working with other backup products all VSS snapshots remain in the CMC until processing is complete and then they are deleted If they are not deleted then you can delete them manually when you are certain that the backup process is finished Transportable Snapshots VSS snapshots can be used as transportable snapshots that is they can be mounted on a different server for backup Transport able snapshots are persistent which means they remain in the CMC and the iSCSI initiator until the backup completes Note To use transportable snapshots on Windows Server 2003 Standard you must install the Microsoft QFE referenced in Microsoft Knowledge Base Article 913648 Deleting Transportable Snapshots In order to cleanly delete a transportable snapshot from the system you should use the requestor application to perform the deletion For example a CommVault QR job requests a transportable snapshot from the VSS Provider Then when the snapshot is no longer needed you can log in to the CommVault application and delete that snapshot which is associated with the job that created it Snapshot Provisioning In SAN iQ software release 7 0 xx and later all snapshots are created as thinly provisioned Using the HP LeftHand P4000 VSS Provider 31 Troubleshooting the VSS Provider Troubleshooting the VSS Provider The VSS Provi
17. edentials window in the Credentials Wizard _ 39 Configure Credentials window in the Credentials Wizard _ 40 Completed management group authentication for VSS _ 40 Setting default credentials oo eeeeeeceeeeceesteeeneeceeeeceeeeetaees 41 Adding credentials for a new management group 41 Deleting a management group or default credentials 42 Tables Table 1 1 Table 1 2 Table 1 3 Advanced settings when logging onto volumes with servers with multiple NICS sate eee ue even eae tirana tte ede 13 Advanced settings when logging onto volumes in a Multi Site SAN csiecvenieee des less ceseileleenievineoliennndeens 17 Advanced settings when logging onto volumes on servers with multiple NICs in a Multi Site SAN oe eeeeeeeeeeeees 20 vii About this guide This guide provides information about Installing and using the HP LeftHand P4000 VSS Provider and the HP LeftHand P4000 DSM for MPIO HP technical support For worldwide technical support information see the HP support website http www hp com support Before contacting HP collect the following information Product model names and numbers Technical support registration number if applicable Product serial numbers Error messages Operating system type and revision level Detailed questions Subscription service HP recommends that you register your product at the Subscriber s Choice for Business website
18. es with servers with multiple NICs Property Setting Local Adapter Microsoft iSCSI Initiator Source IP IP address of the storage NIC to connect to the volume Target Portal Select the VIP of the cluster containing the volume 9 After setting the values click OK to close the Advanced Settings dialog 10 Click OK again to finish logging on 11 Repeat steps 3 through 10 for additional storage NICs Connecting Volumes in a Multi Site SAN Connecting to volumes in a Multi Site SAN is similar to connect ing to volumes in a single site configuration with a couple of important differences e For proper failover failback configuration of a Multi Site SAN you must configure all cluster VIPs for discovery Order the VIPs in preferred order of connect For example if Site A is preferred put the VIP associated for Site A first in the discovery list e You must also log on to the volumes with the default Target Portal setting Using Multiple Cluster VIPs When Connecting to a Multi Site SAN You use the Virtual IP address VIP of the HP LeftHand Storage Solution cluster when connecting to the DSM for MPIO Ina Multi Site SAN you must enter the VIPs of all the multi site clusters on all the application servers to take advantage of the multi path I O capabilities of the DSM for MPIO All the applica tion servers must have the VIPs listed in the same order Using the HP LeftHand P4000 DSM for MPIO 13 Conne
19. g the Authentication Console Authenticating Management Groups If you use unique user name and password combinations for different management groups you can define individual creden tials for different management groups Setting the Credentials To use VSS you must enter the user name and password for man agement groups containing the volumes to snapshot Opening the Authentication Console e Open the Authentication Console from the Programs menu Credentials Wizard The first time you open the Authentication Console the Creden tials Wizard opens At other times you can open the Credentials Wizard from the Action menu or the right click menu For infor mation about using the Credentials Wizard see Setting Default Credentials in the Credentials Wizard on page 38 Default Credentials ix T mor of your storage modtes use the same username and passeord you can specty those values below The system uses those def a valses to Giove your management groups F Use peta Credentials Below ene 3 40 Creracters 0 9 ar AZ Dogri wath letter tumors 5 40 Groracters ave AT begin with letter Gontirm Password a Figure 3 2 Opening the Credentials Wizard the first time Using the Authentication Console 37 Entering Management Group Credentials Authentication Console Window The Authentication Console window opens after you have entered management group credentials Discovering
20. ions of Microsoft Windows Server The DSM for MPIO supports the following versions of Microsoft Windows Server e Windows Server 2003 e Windows Server 2008 e Windows Server 2008 Server Core 32 and 64 Bit Support The DSM for MPIO is supported on both 32 and 64 bit versions of Windows Server When you install the DSM for MPIO using the HP LeftHand P4000 Windows Solution Pack CD the correct version of the DSM for MPIO is automatically installed Using the HP LeftHand P4000 DSM for MPIO 1 Device Specific Modules DSMs and Microsoft MPIO Check Server Properties to verify which operating system you are using Device Specific Modules DSMs and Microsoft MPIO HP LeftHand Networks provides a vendor specific DSM to optimize multi pathing using the Microsoft MPIO framework in the HP LeftHand Storage Solution MPIO is a key component to building a highly available fault tolerant SAN solution MPIO technologies provide for the following e I O path redundancy for fault tolerance e I O path failover for high availability e I O load balancing for optimal performance DSM for MPIO The DSM for MPIO provides enhanced MPIO functionality as follows e An I O path is built to each storage node in the cluster on which the volume resides plus an additional administrative path The DSM for MPIO automatically handles all the path creation for the administrator e Improved performance architecture over native MPIO solu tion
21. ith the DSM for MPIO You do not need to configure the multiple I O paths manually The iSCSI Initiator Properties application has changed slightly for Windows Server 2008 The procedures below include both Windows Server 2003 and Windows Server 2008 instructions Using the HP LeftHand P4000 DSM for MPIO 7 Connecting Volumes with the DSM for MPIO Four sections describe four configurations in which you might be connecting volumes to application servers e Single site single NIC See Connecting Application Servers with a Single NIC to Volumes on page 8 e Single site multiple NICs See Connecting Application Servers with Multiple NICs to Volumes on page 10 e Multi Site SANs single NIC See Connecting Application Servers with a Single NIC to a Multi Site SAN on page 14 e Multi Site SANs multiple NICs See Connecting Application Servers with Multiple NICs to a Multi Site SAN on page 18 Connecting Application Servers with a Single NIC to Volumes Once the DSM for MPIO is installed on the server and rebooted all iSCSI volume connections made to an iSCSI SAN attempt to connect using the DSM for MPIO You do not need to configure the multiple I O paths 1 Open the iSCSI Initiator 2 On the Discovery tab enter the VIP address of the cluster 8 Using the HP LeftHand P4000 DSM for MPIO Connecting Volumes with the DSM for MPIO Prertetege visade RADE awe Deer loot
22. lling the VSS Provider Installing the VSS Provider Use the Solution Pack CD for installing the VSS Provider on any Windows 2003 or Windows 2008 Server If you are installing the VSS Provider on Windows 2008 Server Core go to the section Installing on Windows 2008 Server Core Option on page 26 Installing on Windows 2003 Server or Windows 2008 Server 1 Insert the Solution Pack CD in your CD drive ty HP LeftHand P4000 Windows Solution Pack ix merove Gate ii my wE the Widows one a protection enhance pertoemance ered reac On Pack iS based on Pe storage Dameworks 000 operating synem and Poude the IP Letra Figure 2 1 Installing the VSS Provider from the Solution Pack CD 2 Click Install 3 The menu of provider choices opens 24 Using the HP LeftHand P4000 VSS Provider Installing the VSS Provider rome Some Lerne HP LeftHand P4000 Windows Solution Pack nre Orematicaly merove Gate storage riegraton pngaty Gate protection enhance performance and reace festore tne wO ihe Vindowe SAD Pact The SADON pact is besed on te storage Pameworts istun VSS whan he MOONE Windows Server 200 and 2000 operating fy mere and nciudes the hf Letrand fonie VSS Provider ardd HP LeftHand OEM for MIND IE Letrend DOM tr wo Figure 2 2 Choosing which provider to install 4 Click VSS Provider The installation wizard takes you through the installation process for the VSS Provider
23. ls and select Modify orto caste Figure 2 5 Change credentials to the real user name and password for the management group Using the HP LeftHand P4000 VSS Provider 29 Working with VSS Snapshots 10 11 12 Change the values to the real user name and password for the management group Click OK Exit the Registry Editor or you may add credentials for another management group Adding Credentials for Additional Management Groups You can create additional credentials as necessary 1 2 3 Right click on the Credentials key and select New Key Name the new key with the name of the management group Right click on the new management group key and select New gt Multi String Value Name the new value Credentials Right click the new Credentials value and select Modify In the Edit Multi String window change the values to the real user name and password for the management group Click OK Exit the Registry Editor when you have finished adding man agement group credentials Working with VSS Snapshots The VSS Provider creates a VSS snapshot as a persistent target in the MS iSCSI initiator The VSS snapshot also appears in the CMC with the naming convention of VSS lt unique id gt The snapshot is available as needed to the backup application When the snapshot is no longer needed it is deleted from both the CMC and the iSCSI initiator Figure 2 6 Viewing a VSS named snapshot in th
24. ls for 36 38 41 setting management group credentials 27 starting 32 supported Windows versions 23 transportable snapshots 37 troubleshooting 32 W Warnings MS DSM is not supported 10 16 Windows 2003 Server 5 VSS Provider 23 2008 Server 5 26 VSS Provider 23 2008 Server Core 5 26 27 VSS Provider 23 32 bit or 64 bit Windows 2003 Server 5 23 Registry 27 supported versions for DSM for MPIO 1 supported versions for VSS Provider 23 Windows 2008 Server Core silent install and uninstall 7 silent uninstall 7 Wizard Installation 6 Working with VSS Snapshots 30 45 46
25. ogging onto volumes in a Multi Site SAN Property Setting Local Adapter Microsoft iSCSI Initiator Source IP IP address of the storage NIC to connect to the volume Target Portal Leave as Default so that the Discovery list of VIPs is used in the same order on all storage nodes 7 After setting the values click OK to close the Advanced Settings dialog 8 Click OK again to finish logging on Using the HP LeftHand P4000 DSM for MPIO 17 Connecting Volumes with the DSM for MPIO Connecting Application Servers with Multiple NICs to a Multi Site SAN 1 Oneach application server enter the cluster VIPs in the same order on the Discovery tab of the iSCSI Initiator Properties Discovery tab iSCSI Initiator Properties xi Favorite Targets Volumes and Devices RADIUS General Discovery Targets M Target portals Address Primary Site VIP Site B VIP Site C YIP Adapter IP address Add Portal Remove Refresh MISNS servers Add Refresh Cancel Apply Figure 1 16 Entering VIPs in a Multi Site SAN configuration 2 On the Targets tab select the volume to log on to 18 Using the HP LeftHand P4000 DSM for MPIO Connecting Volumes with the DSM for MPIO FevrteTwots VhresadOeces mors Cored Cucovery Targets ip hapwa dane mein nl se saiet the target and then cdib on To see rformation abet seswons connections and
26. olution Pack CD in your CD drive 2 Click Install dp HP Lefthised P4000 Windows Solution Pack 3 vena Sove nerve HP LeftHand P4000 Windows Solution Pack Figure 1 3 Choosing the DSM for MPIO to install 3 Select HP LeftHand P4000 DSM for MPIO The installation wizard takes you through the installation process for the DSM for MPIO 6 Using the HP LeftHand P4000 DSM for MPIO Connecting Volumes with the DSM for MPIO Silent Install and Uninstall for Windows Server 2008 Server Core Option To perform a silent install 1 Open a command prompt and use the cd command to navigate to the installation media folder where setup exe is found Type the following command setup s f1 setup iss The setup will begin but you will see nothing until the server reboots in a minute or two When the server is back up check Windows dsminstall log for errors To perform a silent uninstall 1 Open a command prompt and use the cd command to navigate to the installation media folder where setup exe is found Type the following command setup removeonly s f1 uninst iss The uninstall begins You will see nothing until the server reboots in a minute or two When the server is back up check Windows dsminstall log for errors Connecting Volumes with the DSM for MPIO Once the DSM for MPIO is installed on the server all iSCSI volume connections made to an iSCSI SAN will attempt to connect w
27. or logging in to storage nodes e Which storage nodes are in the management group that is you added or removed storage nodes Installing the Authentication Console The Authentication Console is installed automatically when you install the VSS Provider During the installation for the VSS Using the Authentication Console 35 Authenticating Management Groups Provider a reminder message opens telling you to first run the Authentication Console before you can create LUNs or snap shots HP LedtHand V55 Provider Setup Wizard x Authontscation Required LD Prsia Aaxt MPORTANTI VSS provider 1s not yet configured In order to create i must first run the authentication console and as passwords for any mar Qement groups prsnog volumes you intend to back up A shortcut to this console is located under the Start menu cies Cie __ Coren _ Figure 3 1 Reminder to run Authentication Console Information Needed for Authenticating Management Groups Prerequisites You need the following information credentials about the man agement groups you want to authenticate for VSS e Management group name e User name and password for logging in to the management group Choosing Between Default or Individual Credentials If you use the same user name and password to log into all your management groups you can designate default credentials for that user name and password combination 36 Usin
28. ough 9 for additional NICs 20 Using the HP LeftHand P4000 DSM for MPIO Verifying DSM for MPIO Operations Verifying DSM for MPIO Operations After logging on to a volume via iSCSI the DSM for MPIO auto matically builds a data path to each storage node in the cluster plus one administrative path You can verify the DSM for MPIO operations by looking at the Details window of the iSCSI connec tion for the volume after logging on to that volume Target Properties Sessions Devices Properties This target has the Following sessions O FrfffrFfs5e9800c 4000013700000014 O Frfffrff85e9800c 4000013700000015 O FrfffrFfs5e9800c 4000013700005b82 Log off Refresh Session Properties Target Portal Group Status Connection Count 1 Connected 1 M Session Connections To configure how the connections within this session are load balanced click Connections Connections Figure 1 20 Verifying the DSM for MPIO connections What Happens if a Path Fails If one I O path fails volume I O continues because additional active I O paths to the iSCSI SAN remain illustrated in Figure 1 21 Using the HP LeftHand P4000 DSM for MPIO 21 Verifying DSM for MPIO Operations tas S bumm es ee SAN Cluster Figure 1 21 Multiple paths ensure continued I O in event of path failure When the problem with the I O path is repaired the DSM for MPIO re connects an I O path to
29. precautions when editing the registry If you are not comfortable with this process consider making a backup copy of the registry before starting For more information on backing up editing and restoring the registry please refer to the Microsoft Knowledge Base article listed at http support microsoft com kb 322756 1 Go to the directory where you installed the VSS Provider The default directory is C Program Files LeftHand Networks LeftHand Networks VSS Provider 2 Verify that the credentials reg file is installed in that direc tory 3 Import the credentials into the Registry by typing the file name credentials reg and pressing Enter 4 Click Yes on the warning message to continue adding the registry values A Registry Editor message opens verifying that the keys and values are added to the Registry 5 Click OK to continue 6 Type Regedit and press Enter The Registry Editor opens to HKEY_LOCAL_MACHINE SOFTWARE 7 Open LeftHand Networks to the Client Settings 1 0 Creden tials MyGroup key 28 Using the HP LeftHand P4000 VSS Provider Setting Management Group Credentials _ Sate value not set Ls amn aden 2j Computer FREY LOCAL _MACHPEGOFTWARE eland Nietok ient Seting 1 O Eredet MyGen Z Figure 2 4 Changing the sample values to the real values 8 Right click the MyGroup key and rename it with the name of the real management group 9 In the right hand pane right click Credentia
30. r 2 On the Discovery tab enter the VIP address of the cluster 10 Using the HP LeftHand P4000 DSM for MPIO Connecting Volumes with the DSM for MPIO Figure 1 7 Entering cluster VIP address in the iSCSI Initiator 3 On the Targets tab select the volume to log on to Ferate tugta Wohmesand evkes RADIUS Gas Decovery Tras ph reaper erinan Cin aa andaian on To See Ptormation abot EEOAE Connections and devices hor a target Sch Dotais Targets EE es a Figure 1 8 Logging on to volumes in the iSCSI Initiator 4 Click Log On Using the HP LeftHand P4000 DSM for MPIO 11 Connecting Volumes with the DSM for MPIO Target nama lan 2000 10 com lelthandhetwrorksidenesicha itodeneachornain T putoenaticaby restore thes connection nhan the system boots Enable muthpath Cry calect thie option E SCSI mult path oftware it already matalied a on your computer Figure 1 9 Enabling multi path for DSM 5 Optional If you want this volume to be available after rebooting select the Automatically restore check box 6 Select the Enable multi path check box Click Advanced to open the Advanced Settings window 8 Configure the Advanced Settings as listed in Table 1 1 Figure 1 10 Configuring dvanced settings for multiple NICs 12 Using the HP LeftHand P4000 DSM for MPIO Connecting Volumes with the DSM for MPIO Table 1 1 Advanced settings when logging onto volum
31. requisites for 36 Authentication Console 35 42 and VSS Provider 27 deleting management group 42 installing 35 opening 37 B Backing Up Registry 28 C Computer Management Window 32 Credentials adding for additional management groups 30 for VSS Provider setting 27 36 38 41 setting in Windows 2008 Server Core 27 management group 38 sample credentials for Windows 2008 Server Core 28 Credentials Wizard 38 Credentials reg File Importing 27 D Default Credentials setting for management groups 38 40 Device Specific Modules See DSM DSM for MPIO and I O path failure 27 configuring for multiple NICs in application server 3 10 connecting volumes in a Multi Site SAN 13 connecting volumes with 7 in Multi Site SAN 4 installing 6 overview supported Windows versions 23 upgrading 5 verifying operations 2 DSM Microsoft 0 16 E Event Log Messages VSS Provider 33 I Import Credentials reg File 27 Installing Authentication Console 35 DSM for MPIO 6 7 VSS Provider 24 26 L Log Messages See Event Log Messages 43 M Management Group deleting from Authentication Console 42 Management Group Credentials adding additional in Registry for Server Core 30 credentials wizard 38 sample credentials for Windows 2008 Server Core 28 setting default credentials 38 40 Messages Event Log VSS Provider 33 Microsoft Device Specific Modules DSM 2 DSM 10 16 MPIO 2 Multipath I O MPIO 2 supported Windows ve
32. rsions for DSM for MPIO 23 supported Windows versions for VSS 23 Volume Shadow Copy Service VSS 35 VSS 23 Microsoft Windows See Windows MPIO Microsoft 2 Multipath I O See MPIO Microsoft Multi Site SAN and DSM for MPIO 4 N NICs connecting application server using DSM for MPIO 3 O Opening Authentication Console 37 Overview DSM for MPIO VSS Provider 23 P Persistent Snapshots See Transport able Snapshots Prerequisites DSM for MPIO 5 VSS Provider 23 26 Prerequisites for Authenticating Management Groups 36 R Registry backing up 28 Registry Windows 27 S Server Core setting credentials in 27 Server Application multiple NICs and DSM for MPIO 3 10 Services NT VSS Provider 32 Setting Management Group Cre dentials VSS Provider 27 Starting VSS Provider 32 System Registry 27 T Transportable Snapshots 3 44 Troubleshooting VSS Provider 32 U Uninstalling DSM for MPIO silent uninstall for Windows 2008 Server Core 7 Upgrading DSM for MPIO 5 User Name and Password 38 Using VSS 30 V Verifying DSM for MPIO Operations 27 Virtual IP Address See VIP Volume Shadow Copy Service See VSS Volumes connecting in a Multi Site SAN with DSM for MPIO 13 connecting with DSM for MPIO 7 VSS 23 VSS Provider authenticating management groups for 27 authentication console and 27 credentials for 27 event log messages 33 installing 24 26 overview 23 running as NT service 32 setting credentia
33. s e Read I Os are always serviced by a storage node that holds a copy of the data being requested e Write I Os are always serviced by a storage node that receives a copy of the data Remaining copies replicas of the data are forwarded to the appropriate storage node based on the volume replication algorithm O way 2 way or 3 way replication e Because an I O path is built to every storage node in the cluster you can build a robust fault tolerant solution For 2 Using the HP LeftHand P4000 DSM for MPIO Device Specific Modules DSMs and Microsoft MPIO example in a cluster with 5 storage nodes DSM for MPIO connected volumes have 6 iSCSI MPIO connections to the SAN one for each storage node and one for the administra tive connection Five of the six connections could go offline and I O would still be serviced How the DSM for MPIO Works The DSM for MPIO is a server side plug in to the Microsoft MPIO framework The DSM for MPIO understands the data map of the volume s on the storage cluster according to the iSCSI SAN replication algorithm to read and write data to the correct storage node Figure 1 1 illustrates how the DSM for MPIO driver works with the Microsoft iSCSI driver to build MPIO con nections to the HP LeftHand Storage Solution NTFS san ERE ES zi Disk Device RES EHESE5 scsi Le mT lee i Fy le o H a PURARA AZTI 7 JO Path gt e sl s i eN SAN IQ DSM for MPIO Di
34. the VSS Provider Note the reminder window shown in Figure 2 3 that opens after the VSS Provider is installed In the Server Core installation you do not run the Authentication Console You import the credentials into the Registry 3 Click Next to finish the installer Next you must set the management group credentials described as described in Setting Credentials on Windows 2008 Server Core on page 27 Setting Management Group Credentials Before using VSS you must set the management group creden tials The credentials required for using the VSS Provider include e Management group name e Management group user name and password In most Windows Server installations you set these credentials in the Authentication Console described in Chapter 3 Using the Authentication Console on page 35 However in the Windows 2008 Server Core installation you set the credentials in the Registry described in the next section Setting Credentials on Windows 2008 Server Core After you have installed the VSS Provider on the Server Core you import the credentials reg file into the Registry This file is installed in the same directory into which you installed the VSS Provider Using the HP LeftHand P4000 VSS Provider 27 Setting Management Group Credentials The credentials reg file adds sample credentials which you must edit with the proper values for your management group creden tials Caution Take standard
35. the storage node thus restoring optimized performance and fault tolerance 22 Using the HP LeftHand P4000 DSM for MPIO Using the HP LeftHand P4000 VSS Provider Overview The HP LeftHand P4000 VSS Provider VSS Provider is the hardware provider that supports the Microsoft Volume Shadow Copy Service VSS on the HP LeftHand Storage Solution This manual provides general information about using the VSS Provider with your HP LeftHand Storage Solution Detailed information about creating and using SAN iQ snapshots is available in the HP LeftHand Storage Solution User Manual or Online Help You can find detailed information about using the Volume Shadow Copy Service on the Microsoft web site Supported Versions of Microsoft Windows Server The VSS Provider supports the following versions of Microsoft Windows Server e Windows Server 2003 For transportable snapshots on the Standard version you must install a Microsoft QFE See Transportable Snapshots on page 31 for details e Windows 2008 Server e Windows 2008 Server Core 32 and 64 Bit Versions VSS Provider is supported on both 32 and 64 bit versions of Windows When you install the VSS Provider using the HP LeftHand P4000 Windows Solution Pack Solution Pack CD the correct version of the VSS Provider is automatically installed Check Server Properties to verify which operating system you are using Using the HP LeftHand P4000 VSS Provider 23 Insta
36. ves Op STs T 2 rity ie i Microsoft iSCSI Ts Initiator RES SHS Seo SAN Cluster Figure 1 1 Building MPIO connections to the iSCSI SAN Using the DSM for MPIO with Multiple NICs The DSM for MPIO supports connecting multiple NICs in the application server to the SAN Configuring with multiple NICs improves fault tolerant physical network connections in the server as illustrated in Figure 1 2 Using the HP LeftHand P4000 DSM for MPIO 3 Installing the DSM for MPIO DSM te MPO Switch va Server SAN Cluster Figure 1 2 Using DSM for MPIO with multiple NICs in the application server Using the DSM for MPIO in a Multi Site SAN The DSM for MPIO can be used in a Multi Site SAN with one or more subnets In this configuration the DSM will only build I O paths to the storage nodes that are in the same subnet as the appli cation server This enables higher performance and lower network utilization by not sending I Os across the WAN link we Tip Watch for instructions specific to Multi Site SAN sos configurations in the rest of this chapter You can also JI refer to the HP LeftHand P4000 Multi Site HA DR Solution Pack User Manual installed in the Documentation subdirectory with the HP LeftHand Centralized Management Console program files N Installing the DSM for MPIO Follow the instructions for the appropriate version of Windows Server 4 Using the HP LeftHand P4000 DSM for MPIO Installing
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