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How to rebuild Adaptec 2100S RAID 5 when drive fails

Posted on 2007-07-28
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Adaptec 2100S RAID 5 with 3 drives

One of the drives is marked as failed and I feel the drive is good, I followed an article from adaptec that uses SMBE (Storage Manager Browser Edition) to rebuild the array.  It said to click the raid and select task -> new task and select rebuild.   I do not have this option, all I see is verify and "verify and fix"

How do I rebuild the array and tell it to mark the drive as available using either SMBE or the SMOS?
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Question by:lee_connell
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by:SysExpert
ID: 19586558
Not Sure, but I would not even take the chance.

I would replace the Drive and then it should rebuild.

In your case, if you remove and reinsert, it may be sufficient, if you are willing to chance it.

Not much to lose since it is already in degraded mode.

DO you have a current backup ?

I hope this helps !
 
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by:lee_connell
ID: 19588251
By removing the drive and replacing with a new one, what chances would I be taking here?  I do have a backup but am not willing to take any chances here, as the system is running fine with 2 of the three drives, theoretically I should be fine even if a second drive fails.

This is a domain controller but I also have a backup domain controller in place.
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SysExpert earned 1000 total points
ID: 19588302
You are already runnng in degraded mode if one drive has failed.

Any other failure and you will lose ALL data

If you do a backup and replace with a new drive, the RAID should either rebuld itself  automatically, or you should have the option to rebuild.

In a worst case scenario, backup, plug in the new drive and see if it starts to rebuild ( it may take a few hours ).

If there are issues, you can wipe the RAID 5 config and simply build a new one, and restore your data ( you may need a basic windows install if you do not have a bare metal restore option )

ACRONIS disk director does Server imaging, and handles RAID.


I hope this helps !
 
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Author Comment

by:lee_connell
ID: 19588623
Ok,

What does "verify and fix" do anyways?
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Author Comment

by:lee_connell
ID: 19588657
Can I perform a verify and fix without hurting anything?
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by:SysExpert
ID: 19588670
Not sure, but If you have a full reliable backup, it should not hurt to try it.

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