Date: Fri, 15 Apr 2011 13:32:21 +0200 From: Attila Nagy <bra@fsn.hu> To: Pawel Tyll <ptyll@nitronet.pl> Cc: freebsd-fs@freebsd.org Subject: Re: Consistent ZFS freeze while replacing. Message-ID: <4DA82CC5.4000007@fsn.hu> In-Reply-To: <1555997556.20110415063016@nitronet.pl> References: <1555997556.20110415063016@nitronet.pl>
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Hi, On 04/15/11 06:30, Pawel Tyll wrote: > Hi list, > > I'm running FreeBSD 8.2-STABLE #0: Wed Apr 13 03:03:08 CEST 2011 > (amd64) along with > http://people.freebsd.org/~mm/patches/zfs/v28/stable-8-zfsv28-20110317.patch.xz > > I replaced one device with another, and when replace was finishing, > pool froze. After two reboots (first one resulted in freeze while > importing the pool), system came up with pool in following state: > > pool: storage > state: ONLINE > scan: resilvered 689G in 19h35m with 0 errors on Thu Apr 14 23:37:10 2011 > config: > > NAME STATE READ WRITE CKSUM > storage ONLINE 0 0 0 > raidz1-0 ONLINE 0 0 0 > da16 ONLINE 0 0 0 > da17 ONLINE 0 0 0 > da18 ONLINE 0 0 0 > da19 ONLINE 0 0 0 > da20 ONLINE 0 0 0 > da21 ONLINE 0 0 0 > da22 ONLINE 0 0 0 > da23 ONLINE 0 0 0 > raidz1-1 ONLINE 0 0 0 > gpt/ST-5XW25KAR ONLINE 0 0 0 > da6 ONLINE 0 0 0 > replacing-2 ONLINE 0 0 0 > da1 ONLINE 0 0 0 > gpt/ST-5XW24JDN ONLINE 0 0 0 > gpt/ST-5XW0PKCM ONLINE 0 0 0 > da5 ONLINE 0 0 0 > da3 ONLINE 0 0 0 > da7 ONLINE 0 0 0 > da4 ONLINE 0 0 0 > raidz1-3 ONLINE 0 0 0 > gpt/ST-5XW10ZKX ONLINE 0 0 0 > gpt/ST-5XW1A9L6 ONLINE 0 0 0 > gpt/ST-5XW1BNGJ ONLINE 0 0 0 > gpt/ST-5XW1ALPW ONLINE 0 0 0 > gpt/ST-5XW11AQ5 ONLINE 0 0 0 > gpt/ST-5XW1330J ONLINE 0 0 0 > gpt/ST-5XW18MD4 ONLINE 0 0 0 > gpt/ST-5XW10VB0 ONLINE 0 0 0 > logs > mirror-2 ONLINE 0 0 0 > gpt/ssd1-log ONLINE 0 0 0 > gpt/ssd2-log ONLINE 0 0 0 > cache > gpt/ssd1-cache ONLINE 0 0 0 > gpt/ssd2-cache ONLINE 0 0 0 > > This happened to me twice already and I have five more drives to > replace. Any ideas? I'm not sure it's the same, but I can consistently reach this situation when replacing while a scrub is in progress (or replacing more than one drive). So far I could only get a working pool in these cases, if I stopped (in single user, even the pool import freezes every operation on zf) scrub, or replace, so only one left.
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