Date: Wed, 5 Sep 2007 16:17:59 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Kenneth Vestergaard Schmidt <kvs@pil.dk> Cc: freebsd-current@freebsd.org Subject: Re: Unkillable and runaway processes Message-ID: <20070905141759.GJ12013@garage.freebsd.pl> In-Reply-To: <m1lkbmtw6z.fsf@binarysolutions.dk> References: <m1lkbmtw6z.fsf@binarysolutions.dk>
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[-- Attachment #1 --] On Tue, Sep 04, 2007 at 03:08:20PM +0200, Kenneth Vestergaard Schmidt wrote: > Hello. > > Our ZFS testbed is experiencing some weird problems with rsync. We run a > nightly backup of about 1.6 TB data (that's how much is stored, not how > much is transferred), but after the initial sync I haven't been able to > get the machine through one full cycle. > > After many hours of rsyncing data from 50+ machines, suddenly one > rsync-process will hang, spinning on the CPU. > > It switches state between CPU0, CPU1, RUN and 'zfs:(&', but doesn't > really do anything. It can't be killed, and you can't reboot the machine > - it'll get past syncing disks, but won't shutdown or reboot. > > I can't do an 'ls' in the directory that rsync is running on - it'll > just hang, too. > > The machine is running current from August 29th. > > I could use some pointers on what to do - is there some way I can debug > this better, maybe give some better info? Try disabling ZIL. This looks like a bug was already reported by Kris. This was already reported to OpenSolaris. -- Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFG3rqXForvXbEpPzQRAn58AJ0eoBSM3HrN1eVBpIX13DqV+kYjXQCcCO3J /n1Zb7ziZA0fAc1mK/iUe5Q= =DZa/ -----END PGP SIGNATURE-----
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