How do I replace a SAS expansion unit (JBOD) without interrupting the services on other SAS expansion units?

最后修订日期: 2019-04-17

Important: This task assumes the ES NAS and SAS expansion units are connected using dual path cabling.

Take all storage pools on the old expansion unit offline.
1. Go to Storage Manager > Storage > Storage Space
2. Select a storage pool.
3. Click Manage.
  The Storage Pool Management window opens.
4. Click Actions, and then select Offline Pool.
5. Repeat the above steps for each online storage pool that is using disks from the expansion unit.
Warning: Disconnecting an expansion unit containing online storage pools may result in data loss.
Press and hold the power button on the old expansion unit for 5 seconds.
The old expansion unit powers off.
Disconnect all SAS cables from the old expansion unit.
Disconnect all power cables from the old expansion unit.
Unmount and remove the old expansion unit from the rack.
Remove the drives from the old expansion unit.
Mount the new expansion unit on the rack.
Install the drives in the new expansion unit.
Connect the SAS cables to the new expansion unit.
Connect the power cables to the new expansion unit.
Power on the new expansion unit.
Log on to QES as an administrator.
Go to Storage Manager > Storage > Disks.
Click Recover, and then select Reinitialize enclosure ID.
QES scans for and detects the new expansion unit and installed disks.
Bring all offline storage pools back online.
1. Go to Storage Manager > Storage > Storage Space.
2. Select an offline storage pool.
3. Click Manage.
  The Storage Pool Management window opens.
4. Click Actions, and then select Online Pool.
5. Repeat the above steps for each offline storage pool.

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