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Фрагмент инструкции
Click Commit to apply the new settings. By default, one disk is left as a spare disk. If no spare disk is needed, this disk can be added to the volume manually. To do so, please continue with step 28. If you would like to keep the spare disk, please continue with step 32. 28. In the navigation panel, select Filer > Use Command Line. 29. Enter vol add vol0 1 (or replace vol0 with the volume to which you want to add the disk). 30. A warning displays. Enter y (yes) to confirm the action. A message confirms that the disk has been added. 31. Click Disconnect to disconnect from the command line console. ! CAUTION! If the settings made here are altered later, all data stored on the disks is lost as the RAID group needs to be reconstructed. Bosch Security Systems Installation Guide V 1 | 2008.08 14 en | Configuration through the Web Interface DSDA iSCSI Disk Array Series Creating an Initiator Group 32. In the navigation panel, select LUNs > Initiator Groups > Add. The Add Initiator Group screen displays. 33. Group Name: Enter VRM_UNITIGROUP0. 34. Type: Select iSCSI. 35. Operating System: Select Linux. 36. Initiators: Enter the initiator names of all cameras and senders that shall write to this system. The initiator name of a device is obtained from the Configuration Manager program. There, select the device. Then, click the iSCSI tab. You can copy the iSCSI Initiator name to the clipboard. Alternatively, the initiator name can be obtained from the VRM Configurator or the Web interface of a device. 37. Click Add to create the initiator group. Creating LUNs 38. Calculate the size for each LUN. In the navigation panel, select Volumes > Manage. Here, the available size of the volume is displayed. Divide that value by 16 to get the size of each individual LUN. i NOTICE! Each storage system needs a minimum of 16 LUNs to provide the best performance. A total of 16 LUNs is considered best practice. If you already know that you will add additional storage shelves, you may consider to create less than 16 LUNs here, as additional LUNs will be created for the additional volumes. In that case, divide the size available for the volume by the number of LUNs you plan to create for the volume. Example: For a total of four volumes you might want to create four LUNs for each volume, giving you a total of 16 LUNs. V 1 | 2008.08 Installation Guide Bosch Security Systems DSDA iSCSI Disk Array Series Configuration through the Web Interface | en 15 The following procedure must be carried out for each LUN to be created. 39. In the navigation panel, select LUNs > Wizard. Click Next on the LUN Wizard welcome screen. 40. Path: Enter /vol/vol0/lun1. The first part of this path is always vol, the second part is the name of your volume (vol0), the third part is the name of your LUN (change this for all further LUNs you are creating). Example: Enter /vol/vol0/lun2, /vol/vol0/lun3, /vol/vol0/lun4 ... for further LUNs. 41. Size: Enter the size calculated for your LUNs (available size of the volume divided by the number of LUNs to be created for this volume). 42. LUN Protocol Type: Select Linux. 43. Leave Space-reserved enabled and leave Description blank. Click Next. 44. On the Add Initiator Groups screen, click Add Group. 45. Select Use existing initiator group. Click Next. 46. Select the VRM_UNITIGROUP0 that you have created before. Click Next. Bosch Security Systems Installation Guide V 1 | 2008.08 16 en | Configuration through the Web Interface DSDA iSCSI Disk Array Series 47. On the Add Initiator Groups screen, click Next. 48. LUN ID: Leave this field blank. The lowest available ID will be used automatically. Click Next. 49. The changes are summarized on the LUN Wizard: Commit Changes screen. Click Commit to create the LUN. If the LUN has been created successfully, a Success! screen will display. 50. Use the LUN Wizard to create all 16 (or the desired number of) LUNs. The system configuration is now done. 51. It is recommended to change the password for the Web interface access. In the navigation panel, select Security > Change Password. 52. If no further storage is to be added, disconnect your computer from the storage system. Connect the storage system to the CCTV network by plugging the network cable (not supplied) into the network port, labeled e0a. V 1 | 2008.08 Installation Guide Bosch Security Systems DSDA iSCSI Disk Array Series Adding Storage | en 17 Adding Storage Storage shelves can be added to the DSA-N2B20 and the DSA-N2B50 system. Each expansion unit comes with 14 disks, 750 GB each. Shelves are daisy-chained in a so-called loop. The first shelf added to a storage system is directly connected to the storage system. Each following shelf is connected to the last shelf in the existing loop, with a maximum of six shelves in one loop for the DSA-N2B50 and a maximum of four shelves for the DSA-N2B20. 6.1 Installing a Shelf 1. Physically install and secure the shelf onto support brackets and rack. 6.1.1 Setting the Shelf ID Each shelf w...
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