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тАО08-05-2005 12:31 AM
тАО08-05-2005 12:31 AM
Migrating RAID Arrays
I have a HP Proliant ML350 G4 server with two 36GB disks installed. They are configured as two different RAID 0 logical drives.
However this offers no protection of disk failure so iam looking to do the following:
Logical Drive 1 - Install an additional disk and migrate to RAID 1. The disk has the system partition and i would like data to remain intact.
Logical Drive 2 - Install two additional disks and migrate to RAID 5. The original disk has data installed so again i would like the data to remain intact.
Initial experiments have proved fruitless and although the ACU seems to have a Migrate feature i only seem to be able to expand the RAID 0 disk rather than migrate to a different RAID version.
Am i asking the impossible?
Any help will be much appreciated.
Regards
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тАО08-05-2005 01:22 AM
тАО08-05-2005 01:22 AM
Re: Migrating RAID Arrays
Have you actually installed the extra HDD's in the server yet ?
If so is the ACU still saying it can't migrate the RAID level ?
I believe the size of the LUN has to remain the same when migrating, so if it's 36Gb when striped you have in install enough HDD's to give you 36Gb when in a RAID5 config too.
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тАО08-06-2005 02:34 PM
тАО08-06-2005 02:34 PM
Re: Migrating RAID Arrays
Are the new disks equal (exactly) or greater in capacity than the existing RAID0 drive?
Do you have an ACU manual?
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тАО08-08-2005 09:42 AM
тАО08-08-2005 09:42 AM
Re: Migrating RAID Arrays
The drives are all the same make and model HP 36GB drives.
When i tried the RAID 1 migration first the only option i got was to stick with RAID 0 and extend the Logical Drive across the two disks.
I've had a look at the ACU manual and unfortunately the section on Migration is small and not very detailed.
So still stuck!!!
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тАО08-08-2005 10:36 AM
тАО08-08-2005 10:36 AM
Re: Migrating RAID Arrays
What model SmartArray controller do you have, and at what firmware revision ?
Also, what version of ACU you using ?
Jeff
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тАО08-17-2005 08:08 AM
тАО08-17-2005 08:08 AM