Date: Fri, 2 Feb 2018 11:43:04 +0100 From: Ben RUBSON <ben.rubson@gmail.com> To: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org> Subject: Re: ZFS pool faulted (corrupt metadata) but the disk data appears ok... Message-ID: <8282375D-5DDC-4294-A69C-03E9450D9575@gmail.com> In-Reply-To: <9c995251-45f1-cf27-c4c8-30a4bd0f163c@sorbs.net> References: <54D3E9F6.20702@sorbs.net> <54D41608.50306@delphij.net> <54D41AAA.6070303@sorbs.net> <54D41C52.1020003@delphij.net> <54D424F0.9080301@sorbs.net> <54D47F94.9020404@freebsd.org> <54D4A552.7050502@sorbs.net> <54D4BB5A.30409@freebsd.org> <54D8B3D8.6000804@sorbs.net> <54D8CECE.60909@freebsd.org> <54D8D4A1.9090106@sorbs.net> <54D8D5DE.4040906@sentex.net> <54D8D92C.6030705@sorbs.net> <54D8E189.40201@sorbs.net> <54D924DD.4000205@sorbs.net> <54DCAC29.8000301@sorbs.net> <9c995251-45f1-cf27-c4c8-30a4bd0f163c@sorbs.net>
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On 02 Feb 2018 11:26, Michelle Sullivan wrote: Hi Michelle, > Michelle Sullivan wrote: >> Michelle Sullivan wrote: >>> So far (few hours in) zfs import -fFX has not faulted with this image... >>> it's running out of memory currently about 16G of 32G- however 9.2-P15 >>> kernel died within minutes... out of memory (all 32G and swap) so am >>> more optimistic at the moment... Fingers Crossed. >>> >> And the answer: >> >> 11-STABLE on a USB stick. >> >> Remove the drive that was replacing the hotspare (ie the replacement >> drive for the one that initially died) >> zpool import -fFX storage >> zpool export storage >> >> reboot back to 9.x >> zpool import storage >> re-insert drive replacement drive. >> reboot > Gotta thank people for this again, saved me again this time on a > non-FreeBSD system this time (with a lot of using a modified recoverdisk > for OSX - thanks PSK@)... Lost 3 disks out of a raidz2 and 2 more had > read errors on some sectors.. don't know how much (if any) data I've lost > but at least it's not a rebuild from back up of all 48TB.. What about the root-cause ? Sounds like you had 5 disks dying at the same time ? Do you periodically run long smart tests ? Zpool scrubs ? Thx, Ben
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