Re: [exim] [OT] RAID (was: Re: Which hardware do you use for…

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Szerző: Martin.Hepworth
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Címzett: exim-users@exim.org
Tárgy: Re: [exim] [OT] RAID (was: Re: Which hardware do you use for yourinstallation?)

Software raid isn't optimal....never has been

Hardware raid is the way to go if you need RAID.


--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300

> -----Original Message-----
> From: exim-users-bounces@??? [mailto:exim-users-bounces@exim.org] On
> Behalf Of Sander Smeenk
> Sent: 12 June 2008 09:42
> To: exim-users@???
> Subject: [exim] [OT] RAID (was: Re: Which hardware do you use for your
> installation?)
>
> Quoting Nigel Metheringham (nigel.metheringham@???):
>
> > I have to say I am getting less convinced by RAID 1 on systems.
>
> RAID at all for me, actually. I've seen it crumble down to a grinding
> halt several times (using software raid, mdadm, that is). While it was
> designed so that a disk could fail without the service being
> interrupted, in my experience a disk failing will still make the system
> unusable. Either because the kernel goes haywire trying to adress the
> non-working device or mdadm making decisions causing the entire set to
> go offline.
>
> Especially mdadm setups where you combine RAID-0 and RAID-1 sets to
> achieve RAID-10 tend to break when there's problems.
>
> Still, recovery is easier as the set can rebuild or data can be
> retrieved from just one disk from a set...
>
> Regards,
> -Sndr.
> --
> | If you don't pay your exorcist you can get repossessed.
> | 1024D/08CEC94D - 34B3 3314 B146 E13C 70C8 9BDB D463 7E41 08CE C94D
>
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