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Nebukad

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From raid1 to raid5

Hi,

I have a server with the following hardware:

PowerEdge T610 Tower Chassis for Up to 8x 3.5" HDDs 1 2.500,00 2.500,00 S
2x Intel Xeon E5520 Processor (2.26GHz, 4C, 8M Cache, 5.86 GT/s QPI, 80W TDP, Turbo, HT),
1066MHz Max Memory
12GB Memory for 1CPU (6x2GB Dual Rank UDIMMs) 1066MHz
2x 146GB SAS 15k 3.5" HD Hot Plug
PERC 6/i RAID Controller Card 256MB PCIe, 2x4 Connectors

OS: Microsoft Small Business Server 2008

Configuration is currently raid 1. To increase harddisk space i would like to buy two addional harddisk (146gb) and convert the raid from raid1 to raid5. Is this possible without the loss of data and how should i do this?
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David
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Nebukad

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@dlethe: The controller supports raid 5 (upto 8 disks if i remember correctly). I just want to know how to convert the raid1 setting to raid5 without  data loss.
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No.  Look for just the PERC software on the dell site for your particular machine & O/S.  I've got a Perc 6i in a T7400 (which is currently booted to Solaris and in the middle of a project so I can't boot to the windows partition).   There is a windows app that manages the controller where you set up/destroy, configure, etc ...
What ever way you decide to do this. The most important thing to do first is to back it up. This then gives you another route - once you have a backup you can delete the RAID-1, add the new disks and create the RAID-5, then replay the backup to restore the data.
That is for sure.  No matter what RAID controller you have, buried deep in the documentation, you'll find some warning that says you should do a full backup before resilvering (changing RAID levels or expanding) an array.

Get a bad block, or lose power, or something like that, then you risk double failure scenarios which can wipe out data.  No going back once you start resizing.   As such, best practice is ALWAYS to just do a backup, build it the right way, then restore.

By doing above, you eliminate all risk assuming your only backup doesn't get damaged in the process.
if you install the Dell Open Manage Server Administrator - Managed Node. This will allow you to perform Raid Level Migration and Online Capacity Expansion. Once you have this software installed and you have the hard drives added to the system, you will need to select the Virtual Disk - Your Raid 1 and select to migrate the array to a Raid 5. This is fully supported and performed all the time. Of course a full backup prior to performing this step is manditory. This will give you a larger array, but will NOT change the size of your partitions. Thats a different solution.
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Look at the posting times, Good one Charles, good one!
lol, Points Split !!
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Thanks for all the responses. Now what would be the based way to back up a windows 2008 sbsserver (software), so that in the event of a failure it is easy to restore the data.
Yep sbs o8 and 2011 very easy to backup and restore