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January 30th, 2013 16:00
How to add physical disk to RAID 1 virtual disk
We have a PowerEdge T110 with a PERC S300 RAID card and two 456GB SATA drives. The server hung one night and when it rebooted it gave a warning that the virtual disk was degraded. When we view the virtual disk from OpenManage, it shows Physical Disk 0:1 as the only disk with status Online. When we view the physical disks it shows Physical Disk 0:0 with status Ready and Physical Disk 0:1 with status Online.
How can we join the Physical Disk 0:0 to the virtual disk so that it will mirror the other disk and bring the virtual disk out of the "degraded" state?
We've done a Rescan but that did not change anything. Both physical disks have a green checkmark beside them. Other than the "degraded" warning on the virtual disk, there are no other warnings or errors on the server.
Any advice is appreciated.
Thanks!
theflash1932
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16.3K Posts
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January 30th, 2013 17:00
Assign disk 0 as a hot-spare to begin the rebuild. You might consider running diagnostics to see if the drive is healthy - if it is bad, then you can replace it; if it is good, then make sure your system firmware (BIOS, ESM, PERC, HDD) is up-to-date.
JasonHunt
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January 30th, 2013 18:00
Thanks! We will give that a try.
What tool do you recommend for the diagnostics? I don't recall seeing an option for that in the RAID BIOS utility or the OpenManage software?
theflash1932
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16.3K Posts
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January 30th, 2013 19:00
You can run that from outside the OS (not from BIOS Setup (F2) or the RAID utility):
- F10 during POST (if this is a factory install, or the install was performed using Dell's installation utility).
- 32-bit Diagnostics bootable utility:
http://www.dell.com/support/drivers/us/en/555/DriverDetails/Product/poweredge-t110?driverId=92PN7&osCode=LHS64&fileId=3101719123
You can run diagnostics from inside the OS as well (not from OMSA):
http://www.dell.com/support/drivers/us/en/555/DriverDetails/Product/poweredge-t110?driverId=G2DFK&osCode=LHS64&fileId=2731097167