It is ok within margin. All 250GB drives should be 250GB "enough".
On Wed, Jun 18, 2008 at 03:13:54PM -0400, Gaby Vanhegan wrote:
> We had a drive failure on a RAID5 (LSI MegaRaid SATA 150-4) volume in our
> server (OpenBSD 4.1/x86). The hot spare kicked in and the volume rebuilt
> fine after a successful fsck in single user mode. We put in a new drive as
> the new hot spare:
>
> # bioctl -Div ami0
> bioctl: cookie = 0xd2a23c10
> bio_inq
> bio_inq { 0xd2a23c10, ami0, 2, 4 }
> Volume Status Size Device
> ami0 0 Online 501991079936 sd0 RAID5
> 0 Online 250995539968 0:0.0 noencl <Maxtor 6V250F0
> VA11>
> 'V594LE9G'
> 1 Online 250995539968 0:1.0 noencl <Maxtor 6V250F0
> VA11>
> 'V5075JVG'
> 2 Online 250995539968 0:3.0 noencl <Maxtor 6V250F0
> VA11>
> 'V5064EEG'
> ami0 1 Hot spare 250053918720 0:2.0 noencl <WDC
> WD2500AAKS-00VSA01.0>
> ' WD-WMART1158126'
> #
>
> The thing is the hot spare is fractionally smaller than the other drives,
> which is what happens when you go into a shop and ask for a 250G drive.
> What's going to happen if another drive fails and the RAID array tries to
> rebuild onto the slightly smaller hot spare? Will it explode or just error
> out? Do we need to go back and put a slightly larger drive in?
>
> I know this isn't the ideal place to ask the question but I figure we can't
> be the only people running LSI cards under OpenBSD. So far I can't find
> any good references on the 'net but my logic and intuition tells me that
> the drive needs to be bigger...
>
> G.
>
> --
> Being drunk is feeling sophisticated without being able to say it.
> http://www.playr.co.uk/
