Overland Storage SnapSAN S3000 Administrator's Manual
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Overland Storage SnapSAN S3000 Administrator's Manual

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SnapSAN
Overland
Storage
March 2013
10400423-002
Logical Disk
™
Administrator's Guide
S3000/S5000

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Summary of Contents for Overland Storage SnapSAN S3000

  • Page 1 SnapSAN Logical Disk Overland ™ Storage Administrator’s Guide S3000/S5000 March 2013 10400423-002...
  • Page 2 Overland Storage. Overland Storage provides this manual as is, without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Overland Storage may make improvements or changes in the product(s) or programs described in this manual at any time.
  • Page 3 Storage Area Network (SAN), and Redundant Array of Independent Disks (RAID) technology. Product Documentation and Firmware Updates Overland Storage SnapSAN product documentation and additional literature are available online, along with the latest release of the SnapSAN 3000/5000 software. Point your browser to: http: //docs.overlandstorage.com/snapsan...
  • Page 4 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide For a complete list of support times depending on the type of coverage, visit our web site at: http: //support.overlandstorage.com/support/overland_care.html Conventions This user guide exercises several typographical conventions: Convention Description & Usage Boldface Words in a boldface font (Example) indicate items to select such as menu items or command buttons.

  • Page 5: Table Of Contents

    [Setting/Reference] Tab ......................... 3-43 Display of the Main Screen .......................... 3-46 iSCSI Lock Setting Operation ..........................3-48 Operations on the LD Set Tab ........................3-48 Port Tab ................................3-51 Disk Array Tab ............................3-52 Index 10400423-002 03/2013  ©2013 Overland Storage, Inc.

  • Page 6: Chapter 1 - Logical Disk Administrator

    • Lock and unlock configuration change Using these functions enable users to easily and flexibly change configuration of logical disks, to set accessibility, and to prevent wrong configuration changes caused by an operational mistake. 10400423-002 03/2013  ©2013 Overland Storage, Inc.
  • Page 7 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 1-1: LD Administrator Overview [Inaccessible Area] Logical disk groups hidden from the application server by the AccessControl function exist in this area. This area can be classified into two groups as shown below: [Preserve Group]...Logical disks in this area are hidden from the application server and...

  • Page 8: Chapter 2 - Functions

    Even in such a case, it is possible to put access control by using a function of Access Control first, then initialize the logical disks hidden from the application server, thus it helps to ensure the security and secrecy. 10400423-002 03/2013  ©2013 Overland Storage, Inc.

  • Page 9: Reserving Ld To Each Function

    SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 2-1: Logical Disk Initialization Reserving LD to Each Function Work Disk for Optimization The AutoTier function allows logical disks on a high-load physical disk to be assigned to a low-load physical disk so as to distribute the load. In this case, it is necessary to specify logical disks which are surely inaccessible, hidden from the application server as the destination Work Disks for Optimization.

  • Page 10: Setting Operation Guard Function

    SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Resources that can be locked are LD Sets, ports, logical disks, and disk arrays (disk array name setting, network setting, and spare unbinding). Operation guard is available in the configuration setting and change operations where user authority of L3 which is authorized for execution from the SnapSAN Manager client is necessary.
  • Page 11 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Function Guarded-Against Operations Setting platform for port, setting port name, setting nicknames Configuration settings collectively Allocating/freeing pool, allocating/freeing logical disk, allocating/freeing Partitioning wizard port Guarded-Against Operations for Locked Logical Disk Function Guarded-Against Operations Adding logical disk, preserving logical disk, reserving logical disk,...

  • Page 12: Chapter 3 - Operation

    How to Operate LD Administrator This software is installed at the same time the SnapSAN Manager server.of LD Administrator is installed. Perform LD Administrator operations on the following screen. LD Administrator Setting Figure 3-1: LD Administrator Setting 10400423-002 03/2013  ©2013 Overland Storage, Inc.
  • Page 13 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-2: LD Administrator (Partitioning Function) Figure 3-3: LD Administrator (iSCSI) 10400423-002 03/2013  ©2013 Overland Storage, Inc.
  • Page 14 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide For an iSCSI LD Set, the following operations cannot be executed from the LD Administrator screen. Use the iSCSI Setup Wizard when specifying Access Control settings and to lock or unlock an LD Set.
  • Page 15 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-6: LD Setting The logical disk to be newly added is displayed at the end of the logical disk group which has been assigned on the "LD Setting" dialog screen, and LUN can be changed by button operation.
  • Page 16 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide [Move Down] Moves a selected logical disk in a newly added logical disk group to the immediately following line of the newly added logical disk group. [Bottom] Moves a selected logical disk in a newly added logical disk group to the end line of the newly added logical disk group.
  • Page 17 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide When an operation request is in error, there is a possibility of inconsistency between the disk array setting information and the information administrated on the SnapSAN Manager client. Therefore, click [Get Disk Array Info].
  • Page 18 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide In the case where the logical disks selected are assigned to multiple LD Sets, the following dialog screen will be displayed and the execution of the [Delete (To Preserve)] operation concerning the multiple LD Sets will be reconfirmed.
  • Page 19 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-11: Delete Moving When the logical disk corresponds to any of the following, the corresponding operation warning dialog below is displayed. • Pair settings for replication are being carried out • Snapshot settings are effective •...
  • Page 20 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-13: Moving Conditions (3) Figure 3-14: Moving Conditions (4) Figure 3-15: Update Prevention Figure 3-16: Stop State In the case where the logical disks selected are assigned to multiple LD Sets, the following dialog screen will be displayed and the execution of the [Delete (To Reserve)] operation concerning the multiple LD Sets will be reconfirmed.
  • Page 21 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-17: Reserve Group The [Delete (To Reserve)] operation targets logical disks assigned to all LD Sets. The [Delete (To Reserve)] operation immediately reflects on the disk array. If this operation is wrong, the application server suddenly stops recognizing the logical disk in use. It is necessary to perform this operation after checking the operation state.
  • Page 22 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-18: Preliminary Confirmation Dialog (Locking LD Set) Figure 3-19: Preliminary Confirmation Dialog (Unlocking LD Set) 10400423-002 03/2013  3-11 ©2013 Overland Storage, Inc.
  • Page 23 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-20: Locking Logical Disk in LD Set Definition and Assignment Figure 3-21: Unlocking Logical Disk in LD Set Definition and Assignment 10400423-002 03/2013  3-12 ©2013 Overland Storage, Inc.
  • Page 24 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-22: Locking Logical Disk in Inaccessible LD List Figure 3-23: Unlocking Logical Disk in Inaccessible LD List) When the selected state is only in the LD Set Definition and Assignment, lock/unlock the LD Set or logical disk selected from the list view in the LD Set Definition and Assignment.
  • Page 25 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-24: Operation Target Select Dialog When selecting the LD Set Definition and Assignment in the operation target select dialog, lock/unlock is performed for the LD Set or logical disk selected from the list view in the LD Set Definition and Assignment.
  • Page 26 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide • Logical disks of which the update prevention state is not "prevent" • Logical disks which are not in the rotation stop state • Logical disks which are not control volumes When the logical disk corresponds to any of the following, the corresponding operation warning dialog below is displayed.
  • Page 27 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-28: Re-initialization Figure 3-29: Prevent State Figure 3-30: Rotation Stop State Figure 3-31: Conditions Not Fulfilled (1) Logical disks of the Reserve Group can be moved to the Preserve Group. Logical disks which can be moved are as follows: •...
  • Page 28 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-32: Conditions Not Fulfilled (2) A Work Disk for Optimization has to be converted to a logical disk with no specific purpose by unsetting the AutoTier using the [For Optimization] button before changing the group.
  • Page 29 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide When an operation request is in error, there is a possibility of inconsistency between the disk array setting information and the information administrated on the SnapSAN Manager client. Therefore, click [Get Disk Array Info].
  • Page 30 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-38: LD Initialization To check the progress of logical disk Initialization, terminate the configuration setting function once and then check the progress ratio on the "Logical Disk Related Information List Screen" of the SnapSAN Manager main window.
  • Page 31 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide • Logical disks which are not in the rotation stop state • Logical disks for which a quota is not set However, logical disks in multi-RANK configuration (for other than the disk arrays with pool) cannot be set.
  • Page 32 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Clicking the [For Optimization] button will display the following dialog screen and the execution of the operation will be confirmed. [Work Disks for Optimization setting] Figure 3-42: AutoTier [Work Disks for Optimization unsetting] Figure 3-43: Use Setting During the configuration setting, completion of logical disk AutoTier is not automatically recognized.

  • Page 33: Operations On [Accesscontrol] Tab

    SnapSAN S3000/S5000 Logical Disk Administrator’s Guide When canceling the acquisition of information by clicking the [Cancel] button while the information is being acquired, or the acquisition of information fails, there is a possibility that disk array information administrated by the SnapSAN Manager client may be wrong.
  • Page 34 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-45: Setting Reference Figure 3-46: Setting Reference (iSCSI) 10400423-002 03/2013  3-23 ©2013 Overland Storage, Inc.
  • Page 35 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide The port setting cannot be changed for a disk array with only iSCSI. Use the Initialization Wizard to change the port setting. The Access Control is always available for a disk array with only iSCSI. However, the Access Control cannot be started.
  • Page 36 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide The selected port is set into the mode type selected in [Mode Type]. Multiple ports can be selected and set at a time if the port list screen shows that they are of the same mode type.
  • Page 37 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-49: Preliminary (Locking Ports) Figure 3-50: Preliminary (Unlocking Ports) If all the logical disks and ports that have been assigned to the LD Set are locked by locking the ports, a dialog box appears that confirms whether to lock the LD set. From this dialog box, you can select whether to lock the LD set.
  • Page 38 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Clicking this button enables the Access Control settings from the application server to logical disks via FC. However, if it has been confirmed by the configuration change guard function that a target application server is operating, it is not possible to start Access Control. Stop all target application servers, and then perform this operation.
  • Page 39 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-52: Lock Changes [When unlocking disk arrays] Figure 3-53: Unlock for Changes Initialization Options Product information Display option information [Restore Settings] button Clicking this button displays the "Restore Settings" screen, using which the LD Set (FC) settings can be restored.

  • Page 40: Description Of Ld Administrator Screen

    SnapSAN S3000/S5000 Logical Disk Administrator’s Guide [Close] button Clicking this button will terminate LD Administrator and return to the "Configuration Setting" screen. [Help] button Clicking this button will display the Help screen concerning [Setting/Reference] tab screen. Description of LD Administrator Screen Depending on the purchase product situations, the Configuration Setting screen, shown below, for invoking the LD Administrator will be switched.When only an AccessControl...

  • Page 41: [Ld Administrator] Operation Screen

    SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-56: Configuration [LD Administrator] Operation Screen [LD Administrator] Tab When the LD Administrator is invoked, the following screen is displayed. 10400423-002 03/2013  3-30 ©2013 Overland Storage, Inc.
  • Page 42 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-57: LD Administrator Tab When the partitioning function is available, the following setting screen is displayed. Figure 3-58: Partitioning Function 10400423-002 03/2013  3-31 ©2013 Overland Storage, Inc.
  • Page 43 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide The following setting screen is displayed for a disk array with only iSCSI. Figure 3-59: Disk Array with Only iSCSI An accessible logical disk cannot be confirmed at the LD Administrator screen for a disk array with only iSCSI.
  • Page 44 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Check boxes are displayed for the "LD Set" item that shows all LD Sets in the tree item, partition, each LD Set name, and path information linked with the LD Sets in the tree item.
  • Page 45 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Data protection Logical disks to which the data protection setting has already been set by the WORM function RPL/data protection Logical disks to which a replication pair has been set and the data protection setting has...
  • Page 46 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide : LD Set in which the assignment of logical disks is different for each path information item LD Set Name Path Count Capacity Configuration Change (Displayed when using the disk array for which the configuration...
  • Page 47 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide The following two icons indicate abnormal settings. If these icons are displayed, it is necessary to change the setting to the normal setting. : LD Set in which a port in the WWN mode and a port in Port mode are mixed...
  • Page 48 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-64: Mixed Mode If the assignment of logical disks for each path information item (port) of a checked LD Set does not match, the display items in the list are as follows: <Port information list display>...
  • Page 49 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-66: Path Information List When the assignment states of logical disks of the check-marked LD Set for each path information item coincide, items displayed in the list are as follows: < list display>...
  • Page 50 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Various Operation Buttons Operation buttons shown below can be used for logical disks listed in the LD Set Definition and Assignment. Each button is enabled under defined conditions. • [Add] button • [Delete (To Preserve)] button •...
  • Page 51 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide RPL/data protection Logical disks to which a replication pair has been set and the data protection setting has been set by the WORM function Optimization Work Disk for Optimization System Volume Volume to store storage system information...
  • Page 52 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Selection Information Display of Logical Disks “Preserve - Purpose ()” Displays logical disks which have not been paired for replication. These keywords are targeted for the Preserve Group only. Displays logical disks set in pairs only for replication.
  • Page 53 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Step 1: <Selection/capacity display> Figure 3-68: Selection Capacity If a link-volume is included in the Inaccessible LD List, the total capacity including the capacity of the link-volume is displayed in parentheses next to the total capacity without the capacity of the link-volume.

  • Page 54: [Access Control] Tab

    SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Clicking the [Add] or [Initialization] button will display a warning message for the operation. [Access Control] Tab [Setting/Reference] Tab Items that can be set on the [Setting/Reference] tab screen are as follows: • Setting Port •...
  • Page 55 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-71: iSCSI Only The ports setting cannot be changed for an iSCSI port. Use the Initialization Wizard or the Disk Array Setting screen to change the setting of the port. Use the iSCSI setting screen to lock or unlock the iSCSI port.
  • Page 56 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Lock/unlock disk arrays When a disk array is locked, "Lock" is displayed in Configuration Change. When a disk array is unlocked, nothing is displayed in Configuration Change. When a disk array is locked, the following operations cannot be executed.

  • Page 57: Display Of The Main Screen

    SnapSAN S3000/S5000 Logical Disk Administrator’s Guide "Display Option" field The following setting can be performed in the "Display Option" field. Capacity Display Unit The items of a list view displayed in each screen and a newly selected capacity unit can be displayed.
  • Page 58 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-73: Access Control (2) Selecting the "Access Control" part from the pull-down menu of this screen makes it possible to narrow down the logical disks to be displayed based on the LD Set name.

  • Page 59: Iscsi Lock Setting Operation

    SnapSAN S3000/S5000 Logical Disk Administrator’s Guide iSCSI Lock Setting Operation To perform iSCSI lock settings, click the [Lock Setting] button on the "iSCSI Setting" screen. Figure 3-76: iSCSI Setting Operations on the LD Set Tab Use the screen below to lock or unlock the iSCSI LD Set or logical disk.
  • Page 60 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Clicking the [Lock] or [Unlock] button displays the preliminary confirmation dialog screen. Confirm the details of operation. Figure 3-78: LD Set Lock Preliminary Confirmation Figure 3-79: Unlocking the LD Set 10400423-002 03/2013  3-49...
  • Page 61 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-80: Locking the Logical Disk Figure 3-81: Unlocking the Logical Disk When an LD Set is selected, the selected LD Set and the logical disk assigned to it are locked or unlocked. 10400423-002 03/2013 ...

  • Page 62: Port Tab

    SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Port Tab Use the screen below to lock or unlock an iSCSI port. Figure 3-82: Lock Setting Screen (Port) Select the port to lock or unlock and click the [Lock] or [Unlock] button. If the lock statuses of ports are the same, two or more of them can be selected for setting in the port list.

  • Page 63: Disk Array Tab

    SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-84: Unlocking the Port Disk Array Tab Use the screen below to lock or unlock the iSCSI disk array. Figure 3-85: Lock Setting - Disk Array To lock or unlock a disk array (disk array name setting, network setting, spare unbind), click the [Lock] or [Unlock] button.
  • Page 64 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide Figure 3-86: Lock Changes [When unlocking the disk array] Figure 3-87: UnLock Changes 10400423-002 03/2013  3-53 ©2013 Overland Storage, Inc.

  • Page 65: Index

    Product Use Situation 3-45 program product 2-1 Inaccessible Area 1-2 Inaccessible LD List 3-13 RANK 3-39 Initialization Button 3-18 Replication volumes 3-6 Initialization of logical disk 1-1 Reserve Group 3-7 reserve group 3-41 10400423-002 03/2013  ©2013 Overland Storage, Inc.
  • Page 66 SnapSAN S3000/S5000 Logical Disk Administrator’s Guide RPL 3-33 3-41 RV 1-2 3-41 Select All check box 3-22 SnapSAN Manager client 3-6 3-19 software update PR-iii Start Access Control 3-26 System Volume 3-40 3-41 technical support PR-iii Tree View 3-32 tree view 3-3...

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