6G SAS NAS System Hardware Manual - Surveillance
Contents
1. 16 22 Nstaling Mara OS 17 Preparing 18 TEN OU Imo m H 18 Chapter 3 RAID Configuration and 19 RE 19 3 11 Starting the WebBIOS Configuration Utility 21 sse eterne 19 3 1 2 WebBIOS CU Main Screen Options essent tenter Erara 20 3 2 Configuring RAID Drive Groups and Virtual Drives retten 22 Bol Y 24 3 2 2 Using Manual Configuration Creating RAID 5 Virtual 25 wo 2 1 mmc 33 34 Restarting the COnNtrOler T 35 User s Manual NAS System Preface About this manual his manual provides information regarding the hardware features installation and configuration of the SAS NAS System Information contained in the manual has been reviewed for accuracy but not for product warranty because of the various environment OS settings Information and specifications will be changed without further notice Some pictures and screenshots might be different with the actual machine This manual uses section numbering for every top2. 6G SAS NAS System Hardware Manual NAS System Table of Contents Prefa o po nner TETTE 3 Berore YOU BOG eein A E E EEA NE E ES 4 Chapter 1 5 NIME 32 10 CO P D 6 gt 2 M 1 O 10 Dive 10 10 Chapter 2 Getting Started oir Coen 11 2 1 Packaging Shipment and Delivery sse teret tentent 11 22 Unpacking the NAS Sy SCI 11 2 3 Identifying Parts of the NAS System ressaire 12 oU 12 Z3 LL e in ende E 13 424 15 24 Dive Camer Module terti etn ee 16 241 Disk Drive Status IndliCaLOESaaausueeten ree ressort 16 244 LOCK TC CANO caste
3. This NAS system supports single RAID controller configuration Packaging Shipment and Delivery Before removing the subsystem from the shipping carton you should visually inspect the physical condition of the shipping carton Unpack and verify that the contents of the shipping carton are complete and in good condition Exterior damage to the shipping carton may indicate that the contents of the carton are damaged If any damage is found do not remove the components contact the dealer where you purchased the subsystem for further instructions EE User s Manual NAS System Chapter 1 Introduction The NAS System 1 1 Key Features Configurable to 19 rack mountable 2U chassis Intel Sandy Bridge Ivy Bridge inside Supports up to Twelve 12 2 5 and 3 5 hot swappable 6G SAS SATA hard drives Supports RAID levels 0 1 5 6 10 50 60 Support three Gigabit Ethernet port for NAS file sharing application Supports Tape DAT backup restore Option Smart function LCD panel Supports hot spare and automatic hot rebuild Allows online capacity expansion within the enclosure User s Manual NAS System 1 2 Technical Specifications Intel Quad Core Xeon 3 1GHz processor System Memory 4GB DDR3 SDRAM up to 32GB Three Gigabit Ethernet ports option for 10Gigabit Ethernet Up to Twelve 12 2 5 and 3 5 hot swappable 6Gb SAS SATA hard drives 800MHz RAI D On Chip storage processor RAID le
4. and one parity drive However because different records store their parity on different drives write operations can usually be overlapped Writes require parity to be updated DATA DATA Wi DATA DATA DATA DATA PARITY PARITY PARITY PARITY PARITY PARITY Reads can occur simultaneously on every drive RAID 6 is similar to RAID 5 in that data protection is achieved by writing parity information to the physical drives in the array With RAID 6 however two sets of parity data are used These two sets are different and each set occupies a capacity equivalent to that of one of the constituent drives The main advantage of RAID 6 is High data availability any two drives can fail without loss of critical data Writes require parity to be updated Reads can occur simultaneously on every drive Dual level RAID achieves a balance between the increased data availability inherent in RAID 1 and RAID 5 and the increased read performance inherent in disk striping RAID 0 These arrays are sometimes referred to as RAID 0 1 RAID 10 and RAID O 5 or RAID 50 User s Manual NAS System I n summary RAID is the fastest and most efficient array type but offers no fault tolerance RAID 0 requires a minimum of one drive RAID 1 is the best choice for performance critical fault tolerant environments RAID lis the only choice for fault tolerance if no more than two drives are
5. do not use a battery or a UPS and there is a power failure you risk losing the data in the controller cache Policy The IO Policy applies to reads on a specific virtual drive It does not affect the read ahead cache gt Direct In Direct I O mode reads are not buffered in cache memory Data is transferred to the cache and the host concurrently If the same data block is read again it comes from cache memory This is the default gt Cached In Cached 1 0 mode all reads are buffered in cache memory Drive Cache Specify the drive cache policy gt Enable Enable the drive cache gt Disable Disable the drive cache This is the default Unchanged Leave the current drive cache policy unchanged Disable BGI Specify the background initialization status gt Leave background initialization enabled This means that a new configuration can be initialized in the background while you use WebBIOS to do other configuration tasks This is the default Yes Select Yes if you do not want to allow background initializations for configurations on this controller Select Size Specify the size of the virtual drive in megabytes Normally this would be the full size for RAID 5 shown in the Configuration panel on the right You may specify a smaller size if you want to create other virtual drives on the same drive group EE User s Manual NAS System To create Virtual Drive O select RAID 5 as RAID Level and enter the
6. http www lsi com DistributionSystem AssetDocument files d ocs techdocs storage stand prod sas mr sas sw ug pdf 3 1 1 Starting the WebBI OS Configuration Utility Perform the following steps to enter the WebBIOS Configuration Utility when you boot the system 1 When the host computer is booting hold down the lt Ctrl gt key and press the lt H gt key when the following text appears on the screen LSI MegaRAID SAS MFI BIOS Version Copyright LSI Corporation Press lt gt lt gt for WebBl OS CU The Adapter Selection screen appears 2 Select the SAS MegaRAID Adapter if not selected 3 Click Start to continue The main WebBIOS CU screen appears User s Manual NAS System 3 1 2 WebBI OS CU Main Screen Options The figure below shows the screen when you start the WebBIOS CU and select an adapter In the lower right panel the logical view part of the screen displays all of the virtual drives that are configured on this controller In the upper right panel the physical view part of the screen displays the drives that are connected to the controller To toggle between the physical view and logical view of the storage devices connected to the controller click Physical View or Logical View in the menu on the left When the physical view screen is displayed the lower right panel displays the drive groups that are configured on this controller For drives in an en
7. monitor to the VGA port 3 Connect PS 2 keyboard and mouse to the USB to PS 2 converter cable and then connect the USB connector to the USB port on the NAS 2 7 Powering On 1 Plug in the two power cords into the AC Power Input Socket of PSU located at the rear of the NAS system NOTE The NAS system is equipped with redundant full range power supplies with power factor correction The system will automatically select voltage 2 Open the protective cover of the Toggle Switch And press the toggle switch to redundant power supply mode Press the Power On Off Switch to power on the NAS The Power LED on the front Panel will turn green Follow the steps in the next chapter to configure a RAID oS a Follow the steps in the succeeding chapters to configure the NAS system 4 ry User s Manual NAS System Chapter 3 RAI D Configuration and Management Before using the NAS system a RAID configuration must be created At least one virtual drive is required to be used in the NAS You may create more than one Virtual Drive if needed 3 1 WebBI OS Configuration Utility WebBI OS Configuration Utility CU enables you to create and manage RAID configurations on LSI SAS controllers The WebBIOS CU resides in the SAS controller BIOS and operates independently of the operating system NOTE For additional information about the LSI MegaRAID 9260 4i RAID Configuration and Management please visit LSI web site
8. size in Select Size Click Accept then Next E Ia Afieat heat NOTE The Virtual Drive can use all of the capacity of the Drive Group You may create several Virtual Drives depending on your usage and requirement NOTE For ProNAS 1 3 x version the following RAID settings are recommended Stripe Size 128 KB Read Policy Ahead Write Policy Always Write Back Drive Cache Enable User s Manual NAS System 8 VD 0 is created To create the second Virtual Drive click Back The Span Definition will be displayed Click Add to SPAN and Yes The Virtual Disk Definition screen appears To create Virtual Drive 1 select RAID 5 as RAID Level The remaining capacity of the Drive Group will be used by Virtual Drive 1 Select Accept and click Next NOTE For ProNAS 1 3 x version the following RAID settings are recommended Stripe Size 128 KB Read Policy Write Policy Ahead Always Write Back Drive Cache Enable EE User s Manual NAS System 10 Virtual Drive 1 is created Click Next use meh 11 The Configuration Preview screen is shown Click Accept to save the configuration 6 Connect 231 898 GB Onli 21 SATA HDD 231 898 GB Onli Ot 2 SATA HDD 297 091 GB Onli Slot 3 SATA HDD GB Onli User s Manual EN NAS System 12 A Confirmation Page will be disp
9. used RAID 5 combines efficient fault tolerant data storage with good performance characteristics However write performance and performance during drive failure is slower than with RAID 1 Rebuild operations also require more time than with RAID 1 because parity information is also reconstructed At least three drives are required for RAID 5 arrays RAID 6 is essentially an extension of RAID level 5 which allows for additional fault tolerance by using a second independent distributed parity scheme two dimensional parity Data is striped on a block level across a set of drives just like in RAID 5 and a second set of parity is calculated and written across all the drives RAID 6 provides for an extremely high data fault tolerance and can sustain multiple simultaneous drive failures It is a perfect solution for mission critical applications 1 4 Array Definition 1 4 1 Drive Group A Drive Group is a group of physical drives attached to the RAID controller and where one or more Virtual Drives VD can be created Virtual Drives in the Drive Group use all of the physical drives in the Drive Group It is not possible to have multiple Disk Groups on the same physical disks If physical disks of different capacity are grouped together in a Drive Group then the capacity of the smallest disk will become the effective capacity of all the disks in the Drive Group 1 4 2 Virtual Drive A Virtual Drive is seen by the operating system a
10. Four USB ports are located at the rear of the system 7 1 and COM2 Serial Ports The system has one two serial ports 1 and 2 8 Mute Use the mute button to stop the power supply buzzer alarm 9 AC Power Input Socket Use this to plug in the power cable connected from power source 10 Power Supply A B Two power supplies PSU A and PSU B are located at the rear of the NAS system User s Manual NAS System 2 4 Drive Carrier Module The Drive Carrier Module houses a 3 5 inch hard disk drive It is designed for maximum airflow and incorporates a carrier locking mechanism to prevent unauthorized access to the HDD 2 4 1 Disk Drive Status I ndicators Every Drive Carrier has 2 status indicator lights One indicator light is used for Power On Error When this light is GREEN the power is on and everything is functioning normally When the Power On Error light is RED then an error has occur that requires the user s attention The other status indicator light is the hard disk drive access light When the hard disk drive is being accessed this light will flash BLUE In addition both indicator lights are viewable within a 170 arc Disk Activity I ndicator lt Disk Status I ndicator 2 4 2 Lock Indicator Every Drive Carrier is lockable and is fitted with a lock indicator to indicate whether or not the carrier is locked into the chassis or not Each carrier is also fitted with an er
11. K 1 O TEMP 35C DISK 12 O TEMP 35C RAID ARRAY SI ZE xxxxGB INFORMATI ON RAI D LEVEL NORMAL REBUILD INIT NETWORK NETMASK SUBMIT IP INFORMATION XXX XXX XXX XXX 255 255 255 0 SETTI NG YES NO ETH1 IP ETH1 NETMASK SUBMIT IP 4 XXX XXX XXX XXX 255 255 255 0 SETTI NG YES NO User s Manual NAS System 2 3 2 Rear View COM2 AC Power Input Socket SAS Expansion Port Power On Off Switch LAN2 RS232 Port Phone Jack gui VGA Port EB nu Mute 5 mu mu NU t EXP H H H H USB Ports 1 PSU B USB Ports LAN1 LANO NOTE For maximum performance we recommend that you select the second PCle bus x8 connector for installing other 10G LAN SAS FC Refer to the motherboard documentation to obtain a block diagram of all available PCI buses This diagram will help you determine which connectors belong to which buses Contact your dealer or sales representative for additional assistance 1 SAS Expansion Port For connecting to SAS Expansion Chassis 2 Power On Off Switch Use this switch to power on the system 3 LAN Ports The system comes with three 1Gigabit Ethernet ports LANO LAN1 and LAN2 4 RS232 Port Phone Jack This is used for upgrading the firmware of J BOD Controller SAS Expander board 5 VGA Port Use this to connect a VGA monitor 6 USB 2 0 ports
12. RO E User s Manual NAS System 7 The Virtual Drive Definition screen appears You use this screen to select the RAID level stripe size read policy and other attributes for the new virtual drives Virtual Drive Parameters and Descriptions Parameter Description The drop down menu lists the possible RAID levels for the virtual RAI D Level drive The stripe size specifies the length of the data segments that the RAID controller writes across multiple drives not including parity drives For example consider a stripe that contains 64 KB of drive space and has 16 KB of data residing on each drive in the Stripe Size stripe In this case the stripe size is 64 KB and the strip size is 16 KB You can set the stripe size to 8 16 32 64 128 256 512 and 1024 Kbytes A larger stripe size produces higher read performance If your computer regularly performs random read requests choose a smaller stripe size The default is 64 Kbytes Access Select the type of data access that is allowed for this virtual Policy drive RW Allow read write access This is the default Read Only Allow read only access gt Blocked Do not allow access Read Policy Specify the read policy for this virtual drive Normal This disables the read ahead capability This is the default Ahead This enables read ahead capability which allows the controller to read sequentially ahead of requested data and to store th
13. ations below identify the various parts of the subsystem 2 3 1 Front View Drive Carrier Smart Panel mp LJ 5101418 Slot3 Slot2 s Soti Slot lt Slot7 Slot Siot Slot 12 l Slot 10 gt s ND User s Manual NAS System 2 3 1 1 LCD Front Panel Front Panel The LCD front panel is an option to setup some system settings To start using the LCD panel press the Select button to login and configure the system See the LCD menu diagram in the next section Press this button to return to the previous This is used to enter the option you have Select button I selected Use the Up or Down arrow keys to go through Up and Down a the information on the LCD screen This is also Arrow buttons VW used to move between each menu when you configure the system Use the function keys to navigate through the menus in the front panel The menus will show the system status and allows you to configure network settings password and mute the alarm buzzer User s Manual NAS System Menu Diagram MODEL XXX XXX XXX XXX VERSI ON 3 X XX PANGE NEW PASSWORD SUBMIT PASSWORD PASSWORD 00000000 NG YES NO BEEPER SETTI NG SUBMIT BEEPER SETTI NG 7 MUTE ALARM NG YES NO CPU NORMAL FAN NORMAL DISK NORMAL POWER NORMAL TEMP NORMAL RAID NORMAL DISK INFORMATION gt DIS
14. closure the screen displays the drive information in the following format Connector position slot The connector information identifies where the chain of enclosures is connected to the RAID controller The position number identifies the position of the enclosure in the daisy chain Directly attached drives displays in the following format Slot EE User s Manual NAS System The toolbar at the top of the WebBIOS CU has the following buttons Table 3 1 2 WebBIOS CU Toolbar Icons Click this icon to return to the main screen from any other WebBI OS CU screen Click this icon to return to the previous screen that you were viewing Click this icon to exit the WebBIOS CU program Click this icon to display the Adapter Selection screen If the computer system has multiple controllers you use this screen to view the devices connected to a different controller Click this icon to turn off the sound on the onboard controller Click this icon to display information about the WebBIOS CU version browser version and HTML interface engine The WebBIOS CU Main Screen contains the following options e Controller Selection Select this to view the Adapter Selection screen where you can select a different SAS controller You can then view information about the controller and the devices connected to it or create a new configuration on the controller e Controller Properties Select this to view the properties of th
15. e Drive Group Definition screen appears You use this screen to select drives to create drive groups 1 Hold lt Ctrl gt while you select at least three ready drives in the Physical Drives panel on the left 2 Click Add to Array to move the drives to a proposed drive group configuration in the Drive Groups panel on the right If you need to undo the changes click the Reclaim button Drives Drive Groups RAPES NQX 8 Connector In EN 2I26053H NOX S Slo Ji 5 0 SATA HDD 231 898 GB Onli closure EN 2126J53H NOX B Slo Es HDD 231 898 GB Onli LS H Enclosure EN 2126JS3H NOX 6 Slo 2 Enclosure EN 2126JS3H NOX 8 Slo Drives BY backplane es2 EE 6 dem ESOS NO 8 Connector In J Enclosure EN 2126J93H NOX 8 Slo que 4 Slot 0 SATA HDD 231 898 Onli Hi Enclosure EN 21267538 NOX 8 Slo 3 Slot 1 SATA HDD 231 898GB Onli Enclosure 2126153 8 Slo LEV 4k 1 2 SATA HDD 297 091 GB Onli Mf Enclosure EN 21262538 NOX 8 Slo uk n Slot 3 SATA HDD 231 898 Onli amp Drive Groupi ua E I User s Manual 25 NAS System 4 Click Next The Span Definition screen appears Drive Group is shown in the Array With Free Space list Click Add to SPAN ay Wit Span S G rou pid
16. e additional data in cache memory anticipating that the data will be needed soon This speeds up reads for sequential data but there is little improvement when accessing random data Adaptive When Adaptive read ahead is selected the controller begins using read ahead if the two most recent drive accesses occurred in sequential sectors If the read requests are random the controller reverts to Normal no read ahead Write Policy Specify the write policy for this virtual drive gt Always Write Back In Writeback mode the controller sends a data transfer completion signal to the host when the controller cache has received all of the data in a transaction This setting is recommended in Standard mode gt Write Through In Writethrough mode the controller sends a data transfer completion signal to the host when the drive subsystem has received all of the data in a transaction This is the default User s Manual 12700 NAS System Write Back with BBU Select this mode if you want the controller to use Writeback mode but the controller has no BBU or the BBU is bad If you do not choose this option the controller firmware automatically switches to Writethrough mode if it detects a bad or missing BBU Caution LSI allows Writeback mode to be used with or without a battery LSI recommends that you use either a battery to protect the controller cache or an uninterruptible power supply UPS to protect the entire system If you
17. e currently selected SAS controller e Scan Devices Select this to have the WebBl OS CU re scan the physical and virtual drives for any changes in the drive status or the physical configuration WebBI OS CU displays the results of the scan the physical and virtual drive descriptions e Virtual Drives Select this to view the Virtual Disks screen where you can change and view virtual drive properties delete virtual drives initialize drives and perform other tasks e Drives Select this to view the Drives screen where you can view drive properties create hot spares and perform other tasks e Configuration Wizard Select this to start the Configuration Wizard and create a new storage configuration clear a configuration or add a configuration e Physical View Logical View Select this to toggle between the Physical View and Logical View screens e Events Select this to view system events in the Event Information screen e Exit Select this to exit the WebBIOS CU and continue with system boot User s Manual pa NAS System 3 2 Configuring RAI D Drive Groups and Virtual Drives V NOTE This section describes the steps to create two RAI D Level 5 Virtual Drives to be used in the NAS system For additional information about the LSI MegaRAID 9260 4i RAI D Configuration and Management please visit the LSI web site http www lsi com DistributionSystem AssetDocument files d ocs techdocs storage stand p
18. f one drive in a RAID array fails the entire array fails Writes can occur simultaneously on every drive DATA pata DATA DATA DATA NENNEN Reads can occur simultaneously on every drive RAID 1 also known as disk mirroring is simply a pair of disk drives that store duplicate data but appear to the computer as a single drive Although striping is not used within a single mirrored drive pair multiple RAID 1 arrays can be striped together to create a single large array consisting of pairs of mirrored drives All writes must go to both drives of a mirrored pair so that the information on the drives is kept identical However each individual drive can perform simultaneous independent read operations Mirroring thus doubles the read performance of a single non mirrored drive and while the write performance is unchanged RAID 1 delivers the best performance of any redundant array type In addition there is less performance degradation during drive failure than in RAID 5 arrays Duplicate data is written to pairs of drives DATA DATA DATA DATA ILI Reads can occur simultaneously on every drive User s Manual NAS System Under RAID 5 parity information is distributed across all the drives Since there is no dedicated parity drive all drives contain data and read operations can be overlapped on every drive in the array Write operations will typically access one data drive
19. gonomic handle for easy carrier removal When the Lock Groove is horizontal this indicates that the Drive Carrier is locked When the Lock Groove is vertical then the Drive Carrier is unlocked Lock and unlock the Drive Carriers by using a flat head screw driver User s Manual NAS System Drive Carrier is Unlocked Drive Carrier is locked 2 5 Installing Hard Drives This section describes the physical locations of the hard drives supported by the NAS system and give instructions on installing a hard drive The system supports hot swapping allowing you to install or replace a hard drive while the NAS system is running a To remove a drive tray make sure it is in unlocked position Then press the carrier open button The Drive Carrier handle will flip open Carrier Open Button Pull out an empty disk tray Pull the handle outwards to remove the carrier from the enclosure d Place the hard drive in the disk tray Make sure the holes of the disk tray align with the holes of the hard drive e Install the mounting screws on the bottom part to secure the drive in the disk tray f Slide the tray into a slot g Close the handle until you hear the latch click into place User s Manual NAS System 2 6 Preparing the System 1 Attach network cable to Ethernet port LANO Connect the other end to your network switch You may also connect the other Ethernet LAN port if needed 2 Connect
20. ic being discussed for easy and convenient way of finding information in accordance with the user s needs The following icons are being used for some details and information to be considered in going through with this manual NOTES These are notes that contain useful information and tips that the user must give attention to in going through with the subsystem operation I MPORTANT These are the important information that the user must remember WARNI NG These are the warnings that the user must follow to avoid unnecessary errors and bodily injury during hardware and software operation of the subsystem CAUTI ON These are the cautions that user must be aware of to prevent damage to the equipment and its components Copyright No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written consent Trademarks All products and trade names used in this document are trademarks or registered trademarks of their respective owners Changes The material in this document is for information only and is subject to change without notice User s Manual l amp NAS System Before You Begin efore going through with this manual you should read and focus on the following safety guidelines Information about the NAS system s packaging and delivery are also included To provide rea
21. layed Select Yes to confirm Saue this Configuration 13 Another Confirmation Page is displayed Select Yes to initialize the Virtual Drives All data on the new Virtual Drives will be lost Want to Initialize 14 The two Virtual Drives will be initialized in the background Click Home to return to the main screen of WebBIOS CU 32 User s Manual NAS System 3 3 Creating Global Hot Spare A global hot spare can be used to replace a failed physical disk in any redundant array as long as the capacity of the global hot spare is equal to or larger than the coerced capacity of the failed physical disk To create a global hot spare 1 While WebBIOS CU main screen select Drives option Virtual Drive 48 828 GB Virtual Drive 1 1346 292 GB Optimal z XI 1 5 2 4 A wee 2X 37 Slot l SATA gt gt 6 2 lt A anI ee if i User s Manual 32 NAS System 3 Choose the Make Global HSP option and click Go a tti 4 Click Go User s Manual NAS System 5 The global hot spare drive is created 3 4 Restarting the Controller l Verify the status of Virtual Drives User s Manual 35 NAS System 2 Click Exit 3 A confirmation screen will be displayed Select Yes 4 A message Please Reboot your system Will be displayed Reboot
22. onfiguration without Redundancy Automatically creates a non redundant RAID 0 configuration 5 Click Next to continue User s Manual NAS System 3 2 1 Using Auto Configuration If you select one of the Auto Configuration options either with or without redundancy the following are the steps to configure RAID 1 When WebBIOS displays the proposed new configuration review the information on the screen and click Accept to accept it Or click Back to go back and change the configuration RAI D If you select Automatic Configuration without Redundancy WebBI OS creates a RAID 0 configuration RAI D 1 If you select Automatic Configuration with Redundancy and only two drives are available WebBIOS creates a RAID 1 configuration RAID 5 If you select Automatic Configuration with Redundancy and three or more drives are available WebBIOS creates a RAID 5 configuration RAID 6 If you select Automatic Configuration with Redundancy and the RAID 6 option is enabled and three or more drives are available WebBIOS creates a RAID 6 configuration 2 Click Yes when you are prompted to save the configuration 3 Click Yes when you are prompted to initialize the new virtual drive s WebBIOS CU begins a background initialization of the virtual drives User s Manual NAS System 3 2 2 Using Manual Configuration Creating RAI D 5 Virtual Drives When you select Custom Configuration and click Next th
23. rod sas mr sas sw ug pdf To create a RAID configuration 1 Click Configuration Wizard on the WebBIOS main screen The first Configuration Wizard screen is displayed 2 Select a configuration option data in the configuration will be deleted Make a backup of any WARNING If you choose the first or second option all existing data that you want to keep before you choose an option Clear Configuration Clears the existing configuration New Configuration Clears the existing configuration and lets you create a new configuration Add Configuration Retains the existing storage configuration and adds new drives to it this does not cause any data loss EE User s Manual NAS System 3 To create a new configuration select New Configuration Click Next A dialog box will warn that you will lose data if you select Clear Configuration or New Configuration NOTE You only select New Configuration the first time you create the drive group and virtual drives When you add more drives and create new drive groups or virtual drives you need to select Add Configuration 4 On the next screen select Manual Configuration Types of Configuration Methods Manual Configuration Allows you to control all attributes of the new storage configuration Automatic Configuration with Redundancy Automatically creates an optimal RAID 1 RAID 5 or RAID 6 configuration providing data redundancy Automatic C
24. s a single drive or logical device A Virtual Drive is a storage unit created by the RAID controller from one or more physical drives If there is an existing Drive Group and there is available Free Space then a new Virtual Drive can still be created Depending on the RAID level used the Virtual Drive may retain redundant data in case of a drive failure 3 o User s Manual NAS System Chapter 2 Getting Started 2 1 Packaging Shipment and Delivery Before removing the subsystem from the shipping carton you should visually inspect the physical condition of the shipping carton Unpack and verify that the contents of the shipping carton are complete and in good condition Exterior damage to the shipping carton may indicate that the contents of the carton are damaged If any damage is found do not remove the components contact the dealer where you purchased the subsystem for further instructions 2 2 Unpacking the NAS System The package contains the following items NAS System Unit Two 2 power cords Three 3 Ethernet LAN cables One 1 external serial cable One 1 RS232 null modem cable phone jack to DB9 One 1 USB to PS 2 converter cable Installation Reference Guide Spare screws etc If any of these items are missing or damaged please contact your dealer or sales representative for assistance User s Manual NAS System 2 3 Identifying Parts of the NAS System The illustr
25. s should be used Most operating systems today support concurrent disk I O operations across multiple drives However in order to maximize throughput for the disk subsystem the 1 0 load must be balanced across all the drives so that each drive can be kept busy as much as possible In a multiple drive system without striping the disk I O load is never perfectly balanced Some drives will contain data files that are frequently accessed and some drives will rarely be accessed STRIPING DISK DRIVES Disk 1 Disk 2 Disk 3 Disk 4 Data stripes from each drive are interleaved to create one logical drive By striping the drives in the array with stripes large enough so that each record falls entirely within one stripe most records can be evenly distributed across all drives This keeps all drives in the array busy during heavy load situations This situation allows all drives to work concurrently on different I O operations and thus maximize the number of simultaneous 1 operations that can be performed by the array User s Manual I NAS System Definition of RAI D Levels RAID is typically defined as a group of striped disk drives without parity or data redundancy RAID 0 arrays can be configured with large stripes for multi user environments or small stripes for single user systems that access long sequential records RAID 0 arrays deliver the best data storage efficiency and performance of any array type The disadvantage is that i
26. sonable protection against any harm on the part of the user and to obtain maximum performance user is advised to be aware of the following safety guidelines particularly in handling hardware components Upon receiving of the product Place the product its proper location avoid unnecessary dropping out make sure that somebody is around for immediate assistance It should be handled with care to avoid dropping that may cause damage to the product Always use the correct lifting procedures Upon installing of the product Ambient temperature is very important for the installation site It must not exceed 30 Due to seasonal climate changes regulate the installation site temperature making it not to exceed the allowed ambient temperature Before plugging in any power cords cables and connectors make sure that the power switches are turned off Disconnect first any power connection if the power supply module is being removed from the enclosure Outlets must be accessible to the equipment All external connections should be made using shielded cables and as much as possible should not be performed by bare hand Using anti static hand gloves is recommended In installing each component secure all the mounting screws and locks Make sure that all screws are fully tightened Follow correctly all the listed procedures in this manual for reliable performance Controller Configuration
27. vel RAID O 1 5 6 10 50 60 Relative humidity 10 85 Non condensing Operating temp 10 C 40 C 50 F 104 F AC 100V 240V Full range 10A 47 63Hz 88 H x 482 W x 620 D mm Specifications are subject to change without notice 006 User s Manual NAS System 1 3 RAI D Concepts RAI D Fundamentals The basic idea of RAID Redundant Array of Independent Disks is to combine multiple inexpensive disk drives into an array of disk drives to obtain performance capacity and reliability that exceeds that of a single large drive The array of drives appears to the host computer as a single logical drive Five types of array architectures RAID 1 through RAID 5 were originally defined each provides disk fault tolerance with different compromises in features and performance In addition to these five redundant array architectures it has become popular to refer to a non redundant array of disk drives as a RAID arrays Disk Striping Fundamental to RAID technology is striping This is a method of combining multiple drives into one logical storage unit Striping partitions the storage space of each drive into stripes which can be as small as one sector 512 bytes or as large as several megabytes These stripes are then interleaved in a rotating sequence so that the combined space is composed alternately of stripes from each drive The specific type of operating environment determines whether large or small stripe
28. your system by pressing CTRL ALT DEL keys 5 The system will reboot TSI MegaRAID SAS F JUK Version 2 92 90 Build May 23 2668 Copyright c 2888 LSI Corporation HA Bus 18 0 MegaRAID SAS PCI Express TM ROMB FU package 9 1 1 0813 Battery Status Not present PRODUCT REUISION CAPACITY 4 MegaRAID SAS PCI 1 40 02 0514 128MB 313758338NS Sh 2 bt EU i s 31T3758338NS SN85 715484 4 313758338NS Nh 715464MB 46 137580338NS SN 4 Uirtual Drive RAIDS 5B8B8B8BnB 1 3 Virtual Drive 84MB Virtual Drive s found on the host adapter 2 Virtual Press tels PUn handled by BIOS 1 lt H gt for WebBIOS or press lt Ctrl gt lt gt for Preboot CLI 6 The NAS system will be started Please refer to Part 2 for the proNAS system configuration User s Manual
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