ZFSKnownProblems - needs revision?
ben at wanderview.com
Mon Apr 13 02:43:27 UTC 2009
On Apr 8, 2009, at 5:59 PM, Miroslav Lachman wrote:
> Rsync is used for "snapshots" with --link-dest= (each day has own
> directory and all unchenged files are hardlinked to previous day and
> I have history of two month back).
> Backups are stored on /vol0 with compression enabled. (compression
> is enabled on /usr/ports, /usr/src, /var/db/pkg, /vol0)
> # df -hi /vol0/
> Filesystem Size Used Avail Capacity iused ifree %iused
> Mounted on
> tank/vol0 2.7T 1.3T 1.3T 50% 17939375 11172232 62% /
> This backup server is in service from october 2008 with just one
> panic (kmem related). After proper loader.conf tuning it is working
You might want to look at this commit if you are using rsync --link-
dest and getting kmem panics:
and the MFC:
It seems quite possible to me that kmem panics could be mistakenly
attributed to zfs when the name cache is eating up memory.
Hope that helps.
More information about the freebsd-stable