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Re: [PLUG] VMWare performance tuning
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On 13:59 Sun 29 Jul , Mag Gam wrote:
> Use a SAN: Place your vmware images on a SAN and utilize MultiPath
> I/O(MPIO) software such as EMC PowerPath. MPIO will loadbalance what
> adapters are busy and start sending data thru the other Fiber Adapter,
> this can increase performance by 50% percent. Keep in mind you need
> atleast 2 adapters.
conveniently, vmware is owned by EMC, so they would be happy to sell you a
SAN. Turns out vmware becoming free was not just an act of goodwill.
> Striping on Disks: Since you are using RAID5, you are already using
> this, so don't stripe again :-)
> Mirroring: Make sure nothing is mirrored on the guest/client side. Your
> guest disks should NOT be mirrored, because they are already mirrored
> and redudant on the host end. This will be costly I/O
depending on your budget, you could always move to scsi disks with a real
HW raid controller. Possibly even look into something like RAID 0+1
Claude
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