Date: Sun, 06 Jan 2008 16:48:09 +0100 From: Henri Hennebert <hlh@restart.be> To: Kris Kennaway <kris@freebsd.org> Cc: freebsd-current@freebsd.org, Peter Schuller <peter.schuller@infidyne.com>, Ivan Voras <ivoras@freebsd.org>, Brooks Davis <brooks@freebsd.org> Subject: Re: When will ZFS become stable? Message-ID: <4780F839.5020200@restart.be> In-Reply-To: <4780D289.7020509@FreeBSD.org> References: <fll63b$j1c$1@ger.gmane.org> <20080104163352.GA42835@lor.one-eyed-alien.net> <9bbcef730801040958t36e48c9fjd0fbfabd49b08b97@mail.gmail.com> <200801061051.26817.peter.schuller@infidyne.com> <9bbcef730801060458k4bc9f2d6uc3f097d70e087b68@mail.gmail.com> <4780D289.7020509@FreeBSD.org>
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Kris Kennaway wrote: > Ivan Voras wrote: >> On 06/01/2008, Peter Schuller <peter.schuller@infidyne.com> wrote: >>>> This number is not so large. It seems to be easily crashed by rsync, >>>> for example (speaking from my own experience, and also some of my >>>> colleagues). >>> I can definitely say this is not *generally* true, as I do a lot of >>> rsyncing/rdiff-backup:ing and similar stuff (with many files / large >>> files) >>> on ZFS without any stability issues. Problems for me have been >>> limited to >>> 32bit and the memory exhaustion issue rather than "hard" issues. >> >> It's not generally true since kmem problems with rsync are often hard >> to repeat - I have them on one machine, but not on another, similar >> machine. This nonrepeatability is also a part of the problem. >> >>> But perhaps that's all you are referring to. >> >> Mostly. I did have a ZFS crash with rsync that wasn't kmem related, >> but only once. > > kmem problems are just tuning. They are not indicative of stability > problems in ZFS. Please report any further non-kmem panics you experience. I encounter 2 times a deadlock during high I/O activity (the last one during rsync + rm -r on a 5GB hierarchy (openoffice-2/work). I was running with this patch: http://people.freebsd.org/~pjd/patches/zgd_done.patch db> show allpcpu Current CPU: 1 cpuid = 0 curthread = 0xa5ebe440: pid 3422 "txg_thread_enter" curpcb = 0xeb175d90 fpcurthread = none idlethread = 0xa5529aa0: pid 12 "idle: cpu0" APIC ID = 0 currentldt = 0x50 cpuid = 1 curthread = 0xa56ab220: pid 47 "arc_reclaim_thread" curpcb = 0xe6837d90 fpcurthread = none idlethread = 0xa5529880: pid 11 "idle: cpu1" APIC ID = 1 currentldt = 0x50 With the 2 times arc_reclaim_thread `running` > > Kris > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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