Date: Fri, 1 Oct 2010 09:41:12 +0200 From: Torbjorn Kristoffersen <torbjoern@gmail.com> To: freebsd-fs@freebsd.org Subject: Re: Strange ZFS problem, filesystem claims to be full when clearly not full Message-ID: <AANLkTi=q0R4MdD%2Bho6LRzS_%2BXK1pRJyBPA3gnJGSnqHx@mail.gmail.com> In-Reply-To: <20101001042540.GA48601@in-addr.com> 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> <20101001042540.GA48601@in-addr.com>
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On Fri, Oct 1, 2010 at 6:25 AM, Gary Palmer <gpalmer@freebsd.org> wrote: > 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. =A0Interestingly, dtrace is not installed and >> >doesn't even load. =A0When I do >> >kldload dtraceall it says: >> > >> > =A0 =A0kldload: can't load dtraceall: Exec format error >> > >> >??Perhaps I should recompile the kernel on this server, and build in >> >Dtrace into the kernel. =A0Perhaps 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. =A0The 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. =A0I 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. > Very unlikely as I'm the only admin outside the jails. But I did it regardless, you never know if I started a ktrace in my sleep :-)
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