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тАО09-05-2006 05:54 AM
тАО09-05-2006 05:54 AM
IM HAVE A RP2470 WITH STORAGE DS2300, IM PLANING MOVE THE DATA FROM DS2300 (SCSI) TO HITACHI 9500 (FIBER CHANEL) MAKING A MIRROR.
HOW AFFECT THE PERFORMANCE
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тАО09-05-2006 05:59 AM
тАО09-05-2006 05:59 AM
SolutionYes you can do this. I've used this for data migration and other purposes.
The problem is that the i/o will only be as fast as the slowest of the disk systems.
Most of these arrays do have business copy and other features that will permit you to copy/mirror your data.
My general advice is to do the software mirror for migration purposes but not leave it that way for long term mirroring.
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тАО09-05-2006 05:59 AM
тАО09-05-2006 05:59 AM
Re: MIRROR WITH DIFERENT STORAGE
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тАО09-05-2006 06:01 AM
тАО09-05-2006 06:01 AM
Re: MIRROR WITH DIFERENT STORAGE
It's just a polite thing to do in this forum.
You have asigned 0 points to 12 responses already.
Regards,
Jaime.
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тАО09-05-2006 06:45 AM
тАО09-05-2006 06:45 AM
Re: MIRROR WITH DIFERENT STORAGE
In your case, going from local SCSI to SAN, the only local impact would be read ios from your local SCSI.
If your local SCSI is not overly busy none would notice. If busy you may wish to wait for a quieter time before executing.
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тАО09-05-2006 07:08 AM
тАО09-05-2006 07:08 AM
Re: MIRROR WITH DIFERENT STORAGE
You can use LVM Mirrors or VxVM Mirrors.
Regarding performance, I think there should not be any issue as the HDS will be a whole lot faster than the DS2300...
Hope this helps...
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тАО09-13-2006 08:18 AM
тАО09-13-2006 08:18 AM
Re: MIRROR WITH DIFERENT STORAGE
No problems with hitachi storage