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тАО12-21-2005 11:06 PM
тАО12-21-2005 11:06 PM
how can I find out (as quick as possible) which controller currently owns a certain vdisk of an EVA4K?
Explanation: server is HP-UX using pvlinks, would like to make sure all vdisks are on performance path.
Regards,
Bernhard
Solved! Go to Solution.
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тАО12-21-2005 11:49 PM
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тАО12-22-2005 12:06 AM
тАО12-22-2005 12:06 AM
Re: EVA4000 performance path
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тАО12-22-2005 01:15 AM
тАО12-22-2005 01:15 AM
Re: EVA4000 performance path
can I manually "move" vdisk, i.e. assign it to the other controller?
Regards,
Bernhard
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тАО12-22-2005 01:58 AM
тАО12-22-2005 01:58 AM
Re: EVA4000 performance path
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тАО12-22-2005 02:19 AM
тАО12-22-2005 02:19 AM
Re: EVA4000 performance path
Regards,
Bernhard
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тАО12-22-2005 05:26 AM
тАО12-22-2005 05:26 AM
Re: EVA4000 performance path
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тАО10-09-2006 08:32 PM
тАО10-09-2006 08:32 PM
Re: EVA4000 performance path
We used the default setting for every VD, but the read hit ratio was too slow. Most of all the read requests were missed from the controller cache.
How we could tune the EVA4K performance ?
Who can help me?
Thanks a lot.
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тАО10-10-2006 07:05 AM
тАО10-10-2006 07:05 AM
Re: EVA4000 performance path
The cache hit rate itself shouldn't depend on the LUN owning controller.
Are you using evaperf to determine your cache hit rate?
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тАО10-10-2006 01:07 PM
тАО10-10-2006 01:07 PM
Re: EVA4000 performance path
And we used 16 * 146GB 10K-rpm FC disks in two disk shelves.
Just create only one disk group.
Without DR and snapshot.