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тАО02-20-2008 03:32 AM
тАО02-20-2008 03:32 AM
EVA 8100
Greetings of the Day
I Have one fresh EVA 8100 with 2C6D conf.
In my all disk enclousers there are 14 disks
with 146gb,15k, the disks are starting from the slot 1 to slot 12. the rest of the slot 13 and 14 are empty
Now what my doupt is can i remove the disks from slot 7 and 8, put in to slot 13 and 14 in my all enclosures?
If i do this it will give me good I/O performance?
or there is no matter abot the drive slot?
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тАО02-20-2008 03:54 AM
тАО02-20-2008 03:54 AM
Re: EVA 8100
As far as I'm aware, the position of the disks won't have any impact on performance.
Do you have a particular problem that you're trying to resolve ?
Cheers,
Rob
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тАО02-20-2008 03:58 AM
тАО02-20-2008 03:58 AM
Re: EVA 8100
Hope this helps!
Regards
Torsten.
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тАО02-20-2008 09:05 PM
тАО02-20-2008 09:05 PM
Re: EVA 8100
I dont't have any problem with the slots,
its just for the knowledge base only.
Becoz one of my collige told me, if we do like this it will give good I/O performace,
The load will fall equally on both sides
Thanks.
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тАО02-20-2008 11:27 PM
тАО02-20-2008 11:27 PM
Re: EVA 8100
No, no, no. The EVA virtualization software will spread the load equally on all disk drives in a disk group. It is not documented, but I have been told that the EVA can even move data between disk drives if the software detects hot spots.
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тАО03-17-2008 01:07 PM
тАО03-17-2008 01:07 PM
Re: EVA 8100
a) it is perfectly possible, but you have to use the ungroup feature and ungroup only 1 disk at a time (or more than one but with the different RSSs)
b) it make no sense, you will not get any additional performance, the leveling/distribution among all disks is hardcoded in the controller firmware