filesystem full - freebsd 5.3
Oliver Fromme
olli at lurza.secnetix.de
Mon Dec 19 06:00:49 PST 2005
Lukas Ertl <le at freebsd.org> wrote:
> We have to cope with the same problem here. It's a 662GB filesystem used
> for Cyrus imapd mail folders. 55GB free space, plenty of free inodes, and
> yet we get "filesystem full" messages. If we remove some mail folders
> (postmaster double bounce stuff, thousands of mails per dir), the kernel
> stops complaining about a full filesystem (until it runs out of $factor_x
> again).
For an application like that (mail server), it might be
beneficial to create the file system with bsize == fsize
(e.g. both 8 kbyte), so you won't get any fragments at all.
On a related note, many people seem to set minfree to 0%,
in order to squeeze more space from the disk. That's
almost always a mistake, because it increases fragmentation
considerably, especially if the file system has many small
write operations, and it reduces performance significantly.
Best regards
Oliver
--
Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing
Dienstleistungen mit Schwerpunkt FreeBSD: http://www.secnetix.de/bsd
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