Cyrus imapd question
Aleksandar Milivojevic
amilivojevic at pbl.ca
Wed Apr 13 13:52:31 UTC 2005
Sasa Stupar wrote:
> Hi!
>
> I am running FC3 as mailserver with sendmail+cyrus-imapd and everything
> works fine. Now I am going out of space on the HDD and I am thinking to
> add a new one which will server for cyrus only. So how do I tell cyrus
> to use that other drive instead of /var/spool/imap ?
> And also is it enough just to copy this directory to a new location or
> do I need to do something else like reconstruction or similar.
If you are using LVM, the simplest thing (as already suggested) would be
defining additional disk as LVM physical volume. Create partition, tag
it as Linux LVM (8e), import it into LVM (pvcreate), add it to existing
LVM volume group, and simply grow the logical volume and then /var file
system.
Another simple solution would be to mount new disk as /var/spool/imap.
Stop the IMAP server and sendmail, mount new disk as /mnt, copy all
data, and remount the disk:
# stop imap and sendmail before doing this
mount /dev/new_disk /mnt
cd /var/spool/imap
tar cf - . | (cd /mnt; tar xpf -)
cd ..
mv imap imap.old # backup copy, remove when not needed
mkdir imap
umont /mnt
# edit /etc/fstab and add line for /var/spool/imap
mount /var/spool/imap
# start imap and sendmail
When you are happy that all is working, you can delete imap.old
directory to free some disk space.
You could have mounted new disk somewhere else and made a symbolic link
from /var/spool, however, if SELinux policy files are ever extended to
include separate set of rules for Cyrus-IMAPD, they will by default
expect mailstore to live in /var/spool/imap. So you'd save yourself
some work by having things in defualt places.
--
Aleksandar Milivojevic <amilivojevic at pbl.ca> Pollard Banknote Limited
Systems Administrator 1499 Buffalo Place
Tel: (204) 474-2323 ext 276 Winnipeg, MB R3T 1L7
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