Re: 3Ware 9550SX and latency/system responsiveness

[Sebastian Walter <sebastian.walter@xxxxxxxxxxxx>]

Simon Banton wrote:
> At 08:09 -0400 14/9/07, Jim Perrin wrote:
>> Have you done any filesystem optimization and tried matching the
>> filesystem to the raid chunk size?
>
> No, I haven't. This is 3ware hardware RAID-1 on two disks with a
> single LVM ext3 / partition - I'm afraid I don't know how to go about
> discovering the chunk size to plug into Ross's calcs.

You can see the chunk size either in the raid's BIOS tool (Alt-3 at
startup) or, if installed, in the 3dm CLI (defaults to 64k, I think).

-- Sebastian
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