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16351
February 15th, 2011 14:00
Predictive failure on active raid 1 drive help!
Is there any way I can fix this remotely? The server keeps crashing and I do not have immediate physical access. Is there no failover logic on a Dell raid 1? Any ideas on how I can make the secondary drive the active drive and disable the current primary? There is only one virtual disk and this is the system drive.
Thanks!!
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pugu
4 Posts
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February 15th, 2011 14:00
This isn't a problem with booting. I have a hardware mirror using a PERC 5 raid controller. The systems is up and running, booted into it's raid 1 system drive. It is running sluggish and I'm getting drive errors. How can I fail the active drive while I'm connected via remote desktop? I cannot pull out the active drive and reboot.
MESSAGE
\Device\RaidPort0/
BINARY DATA
0000: 0F 00 10 00 01 00 68 00 00 00 00 00 81 00 04 80
0010: 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0030: 01 00 00 00 81 00 04 80
theflash1932
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16.3K Posts
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February 15th, 2011 14:00
This all depends on your system and your RAID controller. If you have a Dell hardware RAID solution, and you still cannot boot, then you have more problems than just a failed drive. Unless you have a DRAC on this system, you will need eyes and hands ONSITE to fix this. (Even with a DRAC, you may need hands onsite.)
theflash1932
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16.3K Posts
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February 15th, 2011 15:00
Yes, you should force the pred fail drive offline prior to replacing it. You can do that in OpenManage Server Administrator (OMSA):
ftp://ftp.dell.com/sysman/OM-SrvAdmin-Dell-Web-WIN-6.3.0-2075_A00.20.exe
Download and run to extract files, then run C:\Openmanage\windows\setup.exe. Choose Custom and make sure that Storage Management is installed. This will probably not require a reboot.
Pred fail is almost always a bad drive. To confirm this is the case, you can download Online Diagnostics and run the Quick Test on the drive in question. If it fails, replace it. If it passes, you likely have a corrupt array and you should focus on making sure you have a good backup because the only way to fix it is to delete the array and create a new one.
pugu
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February 15th, 2011 17:00
Just to be clear, you are saying I can force this physical drive offline that is my system drive, that I'm booted into, that the OS is writing to, the drive that is the primary mirror, without any issues?
pugu
4 Posts
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February 15th, 2011 17:00
thank you
theflash1932
11 Legend
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16.3K Posts
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February 15th, 2011 17:00
If you have a hardware RAID and one drive is online but showing pred fail and the other one is online, then yes, you can (and should) force offline the pred fail drive. Don't force offline your good drive. On a PERC 5, there is no such thing as active/inactive or primary/secondary ... when booted to the RAID 1, it can be one drive or the other (if one is failed or missing) or to both and it makes no difference.