Date: Thu, 30 Jul 2009 11:54:44 +0200 From: Arnaud Houdelette <arnaud.houdelette@tzim.net> To: grarpamp <grarpamp@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Cannot rm files when ZFS is full Message-ID: <4A716DE4.4070506@tzim.net> In-Reply-To: <d2e731a10907292222t6f4c02ebn3895ba9efc0d4f01@mail.gmail.com> References: <d2e731a10907282029rd17ca1ag892c3c9615e76140@mail.gmail.com> <14989d6e0907290025i499c71fbn289b64a7da0e4b97@mail.gmail.com> <d2e731a10907292222t6f4c02ebn3895ba9efc0d4f01@mail.gmail.com>
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grarpamp a écrit : > Yep, the cp /dev/null <file> works to truncate. So I can deal with it. > Yep, everything is snapshotted. > Yep, this is a Sun issue not a FreeBSD one. FreeBSD should just stay > current with the versions and the minimum needed to port... fbsd dev > time is valuable elsewhere. > I do remember reading about copy on write, d-oh :) > ZFS should probably keep track of the largest extent needed to effect > any given operation and reserve that behind the scenes. If it took n > bytes to create something sans data, it'll probably take n bytes to > modify it. > Quotas and things might work though the user under quota might run > into the same problem. Who knows. > > Thx CW, et al. > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > > Just tried it on a test pool. (on md devices). 7.2-RELEASE [carenath] /testpool# zfs list -r -o name,used,avail,refer,quota testpool NAME USED AVAIL REFER QUOTA testpool 156M 0 156M 156M testpool@test 22.6K - 153M - [carenath] /testpool# ll -h total 159295 -rw-r--r-- 1 root wheel 15M Jul 30 11:29 random -rw-r--r-- 1 root wheel 61M Jul 30 11:35 random2 -rw-r--r-- 1 root wheel 77M Jul 30 11:37 zero -rw-r--r-- 1 root wheel 2.6M Jul 30 11:44 zero2 [carenath] /testpool# rm zero rm: zero: Disc quota exceeded So quota workaround doesn't quite works. It could possibly be an issue where quota limited users fill up their allowed space : they can free space by themselves.
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