Date: Fri, 1 Oct 2010 00:25:40 -0400 From: Gary Palmer <gpalmer@freebsd.org> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: freebsd-fs@freebsd.org Subject: Re: Strange ZFS problem, filesystem claims to be full when clearly not full Message-ID: <20101001042540.GA48601@in-addr.com> In-Reply-To: <20100930163406.330767vpzidjygow@webmail.leidinger.net> References: <AANLkTimRmBi=th1oia5ZuKcEtLR%2BYjK04KNYeZhu931A@mail.gmail.com> <20100929192534.GA97031@icarus.home.lan> <AANLkTi=q6adZv57mwNZVivOwLsfXBjVHki7tzP6-jD0G@mail.gmail.com> <AANLkTikqX1Y3qbcdr-2six%2BPwv61k-Exwh142w5FFqbS@mail.gmail.com> <20100929221549.GA343@icarus.home.lan> <20100930103647.62193lbkp9yqx5k4@webmail.leidinger.net> <4CA45444.6070002@dannysplace.net> <AANLkTi=x5irhAM8uhiZJLztE230=Q9CAMDeja=Bo4fVL@mail.gmail.com> <20100930163406.330767vpzidjygow@webmail.leidinger.net>
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On Thu, Sep 30, 2010 at 04:34:06PM +0200, Alexander Leidinger wrote: > Quoting Torbjorn Kristoffersen <torbjoern@gmail.com> (from Thu, 30 Sep > 2010 15:28:25 +0200): > > >That could very well be. Interestingly, dtrace is not installed and > >doesn't even load. When I do > >kldload dtraceall it says: > > > > kldload: can't load dtraceall: Exec format error > > > >??Perhaps I should recompile the kernel on this server, and build in > >Dtrace into the kernel. Perhaps I should first update to > >FreeBSD-STABLE, as it is more cutting edge? > > > >Actually, I'll first do a complete backup of this jail, remove the zfs > >filesystem, then re-create it, put the files back, and see what > >happens. The unfortunate thing is that I will be ruining a chance to > >find out what really happened. > > I would give lsof a try first. Installing it from ports or packages is > not as much time consuming as updating the server, and may pinpoint > the problem. > > Bye, > Alexander. It might be worth running ktrace -C as root. I do not believe ktrace output files show up in lsof or fstat. It seems at least theoretically possible that a ktrace output file has been deleted so it no longer shows up in ls/du but the trace is ongoing. Regards, Gary
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