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02-21-2014 03:48 AM
02-21-2014 03:48 AM
HP-UX 11.31 3Par - LVM Host Base Mirror a-sync
Hi
we got sone superdomes ,
currently testing with 3Par storage :
we need for a certain databases ( oracle DB ) the highest speed .
former we had XP Storage with ( A-Sync) CA .
we prefere to use LVM HostBase Mirroring .
are there any possibilities to set the LVM HBM also A-sync ?? taking the risc for corrupt data we know ..
we notice the latecy between the 3Par is slowing down ....
can anyone advise us in this ??
thanks .
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02-21-2014 06:38 AM
02-21-2014 06:38 AM
Re: HP-UX 11.31 3Par - LVM Host Base Mirror a-sync
As far as I know, no, you cannot force mirrors to async mode with Mirror Disk/UX.
I think you would actually have poorer performance with host-based mirroring than with array based mirroring.
If you are noticing a performance lag with your 3-par deivce, perhaps that is worth a call to HP.
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02-21-2014 07:11 AM
02-21-2014 07:11 AM
Re: HP-UX 11.31 3Par - LVM Host Base Mirror a-sync
OK Thanks .
The 3 Par work fine .
But even a small delay of 2mS ( latency) in write between two Datacentra can be a problem with millions and millions of writes , that's why we would like to setup for this particular database a A-sync host Base Mirror like Linux is able for .
Unfortunately not available on HP-UX as far as I know?
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02-21-2014 10:21 AM
02-21-2014 10:21 AM
Re: HP-UX 11.31 3Par - LVM Host Base Mirror a-sync
>we prefer to use LVM HostBase Mirroring .
You're not using 3PAR's Remote Copy instead?