Re: Very slow disk I/O

[Les Mikesell <lesmikesell@xxxxxxxxx>]

On Mon, Feb 2, 2015 at 11:37 PM, Jatin Davey <jashokda@xxxxxxxxx> wrote:
>
> I will test and get the I/O speed results with the following and see what
> works best with the given workload:
>
> Create 5 volumes each with 150 GB in size for the 5 VMs that i will be
> running on the server
> Create 1 volume with 600GB in size for the 5 VMs that i will be running on
> the server
> Try with LVM volumes instead of files
>
> Will test and compare the I/O responsiveness in all cases and go with the
> one which is acceptable.

Unless you put each VM on its own physical disk or raid1 mirror you
aren't really doing anything to isolate the vms from each other or to
increase the odds that a head will be near the place the next access
needs it to be.

-- 
  Les Mikesell
    lesmikesell@xxxxxxxxx
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