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тАО09-24-2009 01:47 AM
тАО09-24-2009 01:47 AM
HP XP1000 Disk Upgrade
We have an XP10k disk array ,with 73 GB and 146 GB disk .73 GB disk host production LUNs while 146 GB Disk host Testing environment LUNs .the LUNs are spread evenly in each disk type .For increasing capacity we are planning to replace all the disk with 300 GB disk .I know this is possible ,but do this will have any impact in terms of performance and how will be distribution of LUNs be taken care of ?
Thanks in advance .....
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тАО09-24-2009 02:22 AM
тАО09-24-2009 02:22 AM
Re: HP XP1000 Disk Upgrade
disk difference
from the spindle side the drives are almost the same. But on 300GB disks you can create 2x as many LDEVs then on 146GB. This is the fake reason, why it is said to be slower...
LDEV distribution
it depends on the RAID1, then 2D+2P and 4D+4P are the supported configurations. In RAID5 the 3D+1P, 7D+1P, 14D+2P and 28D+4P are supported.
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тАО09-24-2009 02:27 AM
тАО09-24-2009 02:27 AM
Re: HP XP1000 Disk Upgrade
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тАО09-24-2009 02:55 AM
тАО09-24-2009 02:55 AM
Re: HP XP1000 Disk Upgrade
you can continue with the 3D+1P or you can change it for the new drives/parity groups. The migration itself then could be done on XP10k side via the BC/CA, or AutoLUN (licensed features) or on the OS FS level...
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тАО09-24-2009 02:57 AM
тАО09-24-2009 02:57 AM
Re: HP XP1000 Disk Upgrade
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тАО11-12-2009 06:15 AM
тАО11-12-2009 06:15 AM