Kill Dump mksnap_ffs snap sub process?

[Harvey]

Doing a dump for the /tmp partition: dump -0Lauf - -C32 -b64 /dev/da0p5 | xz > /home/da0p5.dump.xz. But it never completed i.e. its sub process /sbin/mksnap_ffs /tmp /tmp/.snap/dump_snapshot never completes. CPU maxed out.

Can kill the dump process but not the subprocess mksnap_ffs. Wondering how to kill this sub process. i.e no luck with kill -9 #processnumber.

 

[SirDice]

Why dump(8) /tmp/ at all? There's nothing worth backing up in there. Heck, my systems even run on tmpfs(5) so after a reboot /tmp/ is completely empty.

 

[Harvey]

I am assuming the reason tmp needs to done is I'm doing a live snapshot.

# /dev/da0p5 /tmp
dump -0Lauf - -C32 -b64 /dev/da0p5 | xz > /home/HarveyW/da0p5.dump.xz*

This thread implied it was a valid partition to migrate: http://forums.freebsd.org/showthread.php?t=11680

I'd still be interested to know how to regain control of mksnap_ffs without a hard reboot.

 

[wblock@]

Do not store anything permanent in /tmp, and then there is no reason to back it up.

I don't know how to kill a running snapshot. It should eventually finish. If not, there may be something wrong with that filesystem (run fsck(8)), or maybe SUJ is enabled on it. Check the output of tunefs -p /tmp.