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HP XP Thin Provisioning

 
Manish K
Occasional Advisor

‎04-27-2011 11:03 AM

‎04-27-2011 11:03 AM

HP XP Thin Provisioning

multiple Volume per Volume Group or single Volume per Volume Group !
Which is better to use. Is there any guidelines for this.
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krusty
Honored Contributor

‎04-28-2011 08:23 AM

‎04-28-2011 08:23 AM

Re: HP XP Thin Provisioning

Hi Manish,

From the array perspective - it doesn't matter when you are using ThP. However (I'll assume you a UNIX based OS since you said volume group), having additional LUNs in a VG can get better performance due to queue depths. One HP-UX, there is a default value of 8 per LUN. If you have 4 LUNs in the VG, now you have 32 I/O's possible for queueing. This value can be changed on a per LUN value, or globally for all LUNs in the kernel.

Cheers,

Curt
"In Vino Veritas"
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