On Thursday, April 28, 2011 3:56:01 pm Jeremy Chadwick wrote: > On Thu, Apr 28, 2011 at 11:33:22PM +0930, Daniel O'Connor wrote: > > Does anyone else use ZFS to store TM backups? > > > > I find that whenever my laptop (over wifi!) starts a TM the ZFS machine it's backing up to grinds to a halt.. Other systems streaming stuff over NFS from it also tend to stall.. > > > > I presume that TM is doing something which causes ZFS some issues but I'm not sure how to find out what the real problem is let alone how to fix it.. > > > > I am running FreeBSD midget.dons.net.au 8.2-PRERELEASE FreeBSD 8.2- PRERELEASE #8 r217094M: Sat Jan 8 11:15:07 CST 2011 dar...@midget.dons.net.au:/usr/obj/usr/src/sys/MIDGET amd64 > > > > It is a 5 disk RAIDZ1 with 1.29Tb free using WD10EADS drives. > > > > I don't see any SMART errors or ZFS warnings. > > > > I have the following ZFS related tunables > > > > vfs.zfs.arc_max="3072M" > > vfs.zfs.prefetch_disable="1" > > vfs.zfs.txg.timeout=5 > > vfs.zfs.cache_flush_disable=1 > > Are the last two actually *working* in /boot/loader.conf? Can you > verify by looking at them via sysctl? AFAIK they shouldn't work, since > they lack double-quotes around the values. Parsing errors are supposed > to throw you back to the loader prompt. See loader.conf(5) for the > syntax.
Huh? I use values without quotes all the time in loader.conf. -- John Baldwin _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
