Hi Experts,
I have a server that is configured for RAID 5 . Today I noticed that one of the drives were flashing amber.

I was able to rebuilt the failed drive by reseating it.

Now when I try to re-boot the server to Windows, I am getting this error message:


The server will not boot up into windows.  Any ideas on how to fix this issue if possible?

I am running a Dell PowerEdge with server 2008 as the OS.

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TeavanaAuthor Commented:
The Error Code is: 0XC0000221
Seth SimmonsSr. Systems AdministratorCommented:
what model power edge and what controller are we working with here?
You have at least partial data loss.  When you reseated the array, for all you know you forced a drive with stale data online.  Or you had unreadable files, or lots of other things ... but it is all moot.

At this point treat it as if you do not have a RAID system at all and do a windows recovery.  (Be sure to load the drivers for the RAID controller on startup, if they are not already there).

Nothing you can do to the raid is going to repair filesystem damage.  If the raid is healthy then now you have to deal with the corrupted files/filesystem.

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TeavanaAuthor Commented:

Thank you for responding. I tried doing a Windows recovery but its all a no go....

I guess, I will have to do a re-built from scratch.... :-(
If windows recovery didn't see a file system or partitioning, then it is a 100% loss.  (If this happens again look at the  RAID controller's state from the BIOS so you know root cause and what else may be going on before taking any actions.  This scenario typically happens when you have a 2nd HDD problem with nothing more than a bad block and controller brings down a HDD to save data.  But had you reseated the last drive that fails and left the rest alone then you would be degraded, but still have 99.999% of your data.

I'd take opportunity to leave it all off, and run some HDD diagnostics. If any disks are out of warranty, might as well replace them all.   Their days are numbered.

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TeavanaAuthor Commented:
Thank you for your help, I appreciate it. I guess I learn the hard way for this one...
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Windows Server 2008

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