RE: [Xen-users] Speed of domainU drives

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

You should upgrade to 2.0-testing as there are some disk performance
issues on 2.0.5
Ian

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Jack Downes
> Sent: 03 April 2005 23:53
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] Speed of domainU drives
> 
> Now, I don't know how domainU drive speed works or any of it really.
> 
> But here's what I'm doing:
> 
> Have a server :  intel 875 chipset intel board, intel 
> p3.06mhz, 1 g ram, twin WD Raptor 36G drives.
> 
> Now, I've put the domain0 in a little space as possible 
> spreading usr and var to /dev/sdb and / and swap to /dev/sda.
> 
> My first domain will be a basic partition on the /dev/sda 
> second domain is a mirror using raid1 via /dev/sda8 and 
> /dev/sdb8.  The swap will be a normal partition.
> 
> And the third domain will be a stripe via raid0 with 
> /dev/sda5 and /dev/sdb5
> 
> 
> Now, so far, I've already setup the stripe and it's not 
> exceptoinally fast - using hdparm, I'm only pulling some 
> 12Mb/sec with it, where as on domain0, I pull 124Mb/sec off 
> that stripe set.  This could be the way that the xenU domains 
> interact, I don't know.  
> 
> I think I'll try Bonnie+ to get some "real" numbers, but I 
> thought I'd post that and see what kind of response I get, 
> cause something seems wrong here.
> 
> Let me know if there's something else I should be doing to 
> make perf numbers come into place.
> 
> Thanks,
> --
> Jack Downes <jack@xxxxxxxxxxxxxxxxxxxx>
> Chain Reaction Web
> 
> 
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