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Raid 1 has two partitions

I have an exchange server with Raid 1.   It has two disks and one disk has gone bad beciuse it is vlinking amber and i am getting a mesage saiying 1810 drive 0 hard drive fault.   The disks have a drive "C" with system files while the second partition, drive "D" has Data files.   If I pull the defective drive out and replace with new one that is identical, will the new disk be rebuilt with the two parttions?   And do I have to do anything to make the drive be rebuilt or does it do it as soon as I put the new drive in?   Running Server 2003
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syssolut
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syssolut
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lords1979Commented:
With most raid controllers, when you insert the new disk, it will start to automatically rebuild to the new disk.  You may notice a performance impact as this drive gets rebuilt.  And to answer your other questions, yes, if both partitions reside on same raid set, they will be rebuilt onto the new disk.
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DavidCommented:
The RAID controller is blissfully unaware of partitions.  It just deals with block #0 - block # n.    So answer is YES.  The caveat, is whether or not your RAID controller is configured to do an automatic rebuild. While this is the default on vast majority of controllers, I can't tell you that your controller is set up that way.

If you have a free slot, then best practice is to put the replacement drive there.  If it automatically rebuilds, then you are OK.  If it does not, then you'll have to refer to the configurator software that came with it and the manual and probably kick off a rebuild.

If you do not have ANY free slots, and have to use the same slot for the replacement disk, then please refer to documentation first.  Some really crappy controllers won't detect the change w/o you doing something first, and it could mess you up.
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syssolutAuthor Commented:
It is a Dell Poweredge T310.   I am not sure if there is any documentation that is available.
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DavidCommented:
Yes there is. Go to the dell support site, enter the T310, your operating system, and look for the RAID software.    But first, do what I posted before, and see if it just kicks off on it's own. If it does NOT, then it is time to read & install the software.  (Always go to the site every few months, and make sure firmware, bios, drivers, etc. are current, but don't rock the boat while the system is degraded.)
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syssolutAuthor Commented:
I plugged the new hot swappable drive into the Drive "0" slot that had the blinking amber light.   THe drive lit green once then just sat there doing nothing.    Does this mean I need to do something to make the drive rebuild?   I thought it would automatically rebuild as soon as it saw the drive?   Do I have to reboot to make it start?
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syssolutAuthor Commented:
Thanks.  I put in the new drive and it rebuilt the partitions as you said.
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