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Hardware raid - logical

Posted on 2013-05-27
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Last Modified: 2013-06-03
Experts,

I have create one logical drive with only 1 hard drive 500gb. Can I add another drive and recreate the raid to 1? mirror. Will this erase the existing data?

I'm using HP DL320e gen 8 using controller B120 RAID

I have esxi 5.1 installed with a couple of VMs.

Cheers!
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Question by:gsmith888
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Accepted Solution

by:
brian79 earned 300 total points
ID: 39199107
Adding a HDD to any raid array will require you to setup a completely different array setup on the controller.  This in turn will remove any and all data from the drives completely.  I recommend a complete system backup and testing it before attempting this.  
Good Luck!
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Author Comment

by:gsmith888
ID: 39199121
any idea how to back up exsi 5.1 ?
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Assisted Solution

by:andyalder
andyalder earned 200 total points
ID: 39199224
If you have Flash Backed Write Cache you can perform online RAID level migration from RAID 0 to RAID 1 with HP's Dynamic Smart Array Controllers (Intel chipset RAID with HP's RAID algorithms), that's assuming RAID was enabled to start with. If not then indeed it's backup time, you could just take a raw image with gparted and restore it again.
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Expert Comment

by:brian79
ID: 39200001
You could also use a backup program called veeam.  Its free for full backups but requires a windows box to do the backups.  It also only backs up the vm's individually.
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