On 13 mei 2008, at 21:53, Xin LI wrote:
| While doing an rsync from a zfs filesystem to an external usb hd
(also
| zfs), the rsync processes hung in zfs state. I could not kill these
| processes, although the rest of the server seemingly continued to
run
| fine. The reboot command did not work. Next I tried a shutdown now
| command. This caused a panic:
Sound like you somehow run out of memory, there is an known issue with
ZFS which causes livelock when there is memory pressure. Which rsync
version are you using? With rsync 3.x the memory usage would drop
drastically which would help to prevent this from happening.
I'm running rsync 3.0.0. Two weeks ago I already increased the memory
in this machine from 4 to 8 GB, but I did not change any loader.conf
variables.
BTW, The wired memory goes all over the place in this machine: even
when it's mostly idle it varies between 300 MB and 3.5 GB. That's why
I added 4 more GB.
Ben
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