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тАО01-25-2005 01:10 PM
тАО01-25-2005 01:10 PM
Disk array upgrade and position change
Currently, I have MSA1000 with 10 x 72GB HDD.
Array A (RAID5) on bay 1-8,
Array B (RAID0) on bay 9-10.
I wish to upgrade Array A to 145GB on bay 1-12, and move the Array B from bay 9-10 to 13-14.
Is it possible to simply replace the hardisks and move the Array?
Your help is greatly appreciated. Thanks!
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тАО01-25-2005 02:33 PM
тАО01-25-2005 02:33 PM
Re: Disk array upgrade and position change
On Array B (RAID0) on bay 9-10. It is not possible.
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тАО01-25-2005 02:47 PM
тАО01-25-2005 02:47 PM
Re: Disk array upgrade and position change
Do you mean I can only upgrade 72GB to 145GB on bay 1-8 and the array will automatically grow? What about the empty bays at 11-14?
For bay 9-10, I can't move them to the last two bay (13-14)?
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тАО01-27-2005 10:37 PM
тАО01-27-2005 10:37 PM
Re: Disk array upgrade and position change
I think it is possible to move the array, you have to switch off the MSA1000 pull out the two disks. Power on. Accept the missing array. Power off. Pug in the disks to the new position. Power on and the system will recognize a new array.
But I see no improvment to do this. You can leave the disk as is and expand Array A with bays 11-14. For the RAID5 array it will be better perform because the load will be balanced better.
regards
Akos
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тАО01-27-2005 11:15 PM
тАО01-27-2005 11:15 PM
Re: Disk array upgrade and position change
The sequence is:
- backup your data
- check your array, e.g.:
-- no disk drives failed,missing or degraded
-- configuration in original state = no active spare drives
-- no capacity expanison running
- power off
- move all physical disk drives
- power up
- check the front panel for #86 message
-- meaning drives moved, configuration updated
- verify the new configuration from CLI or ACU
However, I agree with you that it makes sense to evenly distribute the physical disk drives belonging to a disk array over all available SCSI busses.