Overland Storage SnapSAN S1000 User Manual page 74

SnapSAN S1000 User Guide
3. Select your options:
a. If desired, change the default RAID Name.
b. Use the drop-down list to select the RAID Level.
c. Click the Select Disks button to change the disks used with this RAID.
d. Click OK.
If the number of disk drives is not enough to support the new RAID level, a warning is
displayed. Click Select Physical Disks to increase the number of disk drives and then
click OK.
NOTE: When doing migration to lower RAID level (such as, RAID 6 down to RAID 0), the system
4. At the confirmation page, verify the new RAID information. If there is no problems,
click OK.
5. At the power failure impact message, click OK to start the migration.
System displays a message to remind the user that the data is a risk should the power
fail during the migration.
The migration begins and the status of the RAID Group changes to Migrating.
Also, at Volume Configuration > Virtual Disks, the status displays Migrating and the
percent completed is shown under R %.
To perform a migration, the total size of RAID Group must be larger or equal to the original
RAID Group. It does not allow expanding the same RAID level with the same hard disks of
original RAID Group.
The operations listed are not allowed when a RAID Group is being migrated:
• Add a dedicated spare.
• Remove a dedicated spare.
• Create a new virtual disk.
• Delete a virtual disk.
• Extend a virtual disk.
• Scrub a virtual disk.
• Perform another migration operation.
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will evaluate whether this operation is safe or not. If not, it displays a warning message.
Double-check the setting of RAID level and RAID Physical Disks slot. If there is no
problem, click OK.
©2010-13 Overland Storage, Inc.
RAID Group Migration
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