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тАО07-15-2010 11:52 PM
тАО07-15-2010 11:52 PM
P4000 G2 SAN Mixing HardDisk or Hardware RAID Configuration and Hot Spare
1. Does the built-in P4000 G2 SAN controller supports mixing of RAID per node. For example, I have Node A with 12 hard drives, I want to set up 4 hard drives for RAID 10 and the remaining 8 drives for RAID 5. Is this workable? For the second node, I would like to mix the same, is this allowed?
2. Does the built-in P4000 G2 SAN controller supports hot spare. For example I have 12 hard drives in a single node and I want to configure 11 disks for RAID 5 + 1 hot spare, is this workable?
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тАО07-16-2010 12:06 AM
тАО07-16-2010 12:06 AM
Re: P4000 G2 SAN Mixing HardDisk or Hardware RAID Configuration and Hot Spare
the appliances are using Smart Array P400 controllers, so hotspare isn't a problem. But I don't think that different RAID Levels are supported. The storage is pooled on appliance level, so there is no way to choose if data is stores on RAID 5 or RAID 10.
Regards,
Patrick
Patrick
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тАО07-16-2010 05:48 AM
тАО07-16-2010 05:48 AM
Re: P4000 G2 SAN Mixing HardDisk or Hardware RAID Configuration and Hot Spare
I attached the help section that discusses the RAID configuration options for the various P4000 models. You can ONLY choose RAID configurations that are pre-configured within the management console. You cannot assume you get ALL the RAID configuration options available natively in the P400 RAID controller.
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тАО07-18-2010 05:53 PM
тАО07-18-2010 05:53 PM
Re: P4000 G2 SAN Mixing HardDisk or Hardware RAID Configuration and Hot Spare
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тАО07-22-2010 04:02 AM
тАО07-22-2010 04:02 AM
Re: P4000 G2 SAN Mixing HardDisk or Hardware RAID Configuration and Hot Spare
Keep in mind that there's aways an additional (I believe RAID 1) RAID volume that is used by the SAN/iQ software itself that cannot be changed. Beyond that, you can only choose one RAID flavor on the remainder of the disks.
As an aside, Equalogic has the ability to have different RAID segments within a single node, it is quite a cool feature.
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тАО07-22-2010 05:08 AM
тАО07-22-2010 05:08 AM