Advice on data partition

[Simon Matter]

> Hello,
>
> I see that there was no answer/advice here.
>
> Does it mean that I should probably make a mirror raid (raid1) for "
> partition-default"?

I guess yes. If you have a third disk, you could do the rsync stuff on it,
but raid1 is a must, isn't it?

Simon

>
> Best Regards,
> Leon
>
> -----Original Message-----
> From: info-cyrus-bounces at lists.andrew.cmu.edu
> [mailto:info-cyrus-bounces at lists.andrew.cmu.edu] On Behalf Of Leon
> Kolchinsky
> Sent: Monday, July 03, 2006 12:19 PM
> To: info-cyrus at lists.andrew.cmu.edu
> Subject: Advice on data partition
>
> Hello All,
>
> My "partition-default: /var/spool/imap" was mounted on RAID5 ACCUSYS
> hardware raid.
> It's very untrusted raid solution IMHO.
>
> A couple of days ago one of the disks on this raid died and for some
> reason this freezed my system completely.
>
> I've copied the /var/spool/imap data to my system disk.
> Reconstructed all mailboxes "/usr/lib/cyrus/bin/reconstruct -rf user/*"
> and now mail-server seems to run normally.
>
> Instead of this faulty raid, I've added 2 separate disks (each of 160GB).
>
> My question is:
>
> Should I configure these 2 disks in Raid1 (Mirror) and mount it as
> "/var/spool/imap" and move all mailboxes to it?
>
> Or may be there is a better solution? May be to use one disk as
> "/var/spool/imap" and other for some kind of replication?
> So in case of disaster it won't be needed to shut down the server, replace
> faulty disk and rebuild the raid, but only to switch to another disk?
>
>
> Any thoughts/suggestions/ideas and howto's are welcome.
>
>
> Best Regards,
> Leon Kolchinsky
>
>
>
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