I can just tell you I had this problem still in 8.1 and it was a HUGE problem. System stalled every two weeks or so. Now when the swap is moved away from zfs it works fine.
On Feb 6, 2012, at 11:57 AM, Patrick M. Hausen wrote: > Hi, all, > > is it possible to make a definite statement about swap on zvols? > > I found some older discussions about a resource starvation > scenario when ZFS arc would be the cause of the system > running out of memory, trying to swap, yet the ZFS would > not be accessible until some memory was freed - leading to > a deadlock. > > Is this still the case with RELENG_8? The various Root on > ZFS guides mention both choices (decicated or gmirror > partition vs. zvol), yet don't say anything about the respective > merits or risks. I am aware of the fact that I cannot dump to > a raidz2 zvol ... > > Thanks for any hints, > Patrick > -- > punkt.de GmbH * Kaiserallee 13a * 76133 Karlsruhe > Tel. 0721 9109 0 * Fax 0721 9109 100 > i...@punkt.de http://www.punkt.de > Gf: Jürgen Egeling AG Mannheim 108285 > > > > _______________________________________________ > 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" > _______________________________________________ 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"
