Date: Mon, 9 Sep 2024 18:20:07 +0200 From: infoomatic <infoomatic@gmx.at> To: freebsd-fs@freebsd.org Subject: Re: Does a failed separate ZIL disk mean the entire zpool is lost? Message-ID: <535969cf-0b0b-48ca-a163-fc238f316bb7@gmx.at> In-Reply-To: <alpine.BSF.2.22.395.2409091634020.50467@mail0.time-domain.net> References: <alpine.BSF.2.22.395.2409091634020.50467@mail0.time-domain.net>
next in thread | previous in thread | raw e-mail | index | archive | help
did you use two mirrored ZIL devices? You can "zpool import -m", but you will probably be confronted with some errors - you will probably lose the data the ZIL has not committed, but most of your data in your pool should be there On 09.09.24 17:51, andy thomas wrote: > A server I look after had a 65TB ZFS RAIDz1 pool with 8 x 8TB hard disks > plus one hot spare and separate ZFS intent log (ZIL) and L2ARC cache > disks that used a pair of 256GB SSDs. This ran really well for 6 years > until 2 weeks ago, when the main cooling system in the data centre where > it was installed failed and the backup cooling system failed to start up= . > > The upshot was the ZIL SSD went short-circuit across its power > connector, shorting out the server's PSUs and shutting down the server. > After replacing the failed SSD and verifying all the spinning hard disks > and the cache SSD are undamaged, attempts to import the pool fail with > the following message: > > NAME=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 SIZE=C2=A0 ALLOC=C2=A0=C2=A0 FR= EE=C2=A0 CKPOINT=C2=A0 EXPANDSZ=C2=A0=C2=A0 FRAG=C2=A0=C2=A0=C2=A0 CAP=C2= =A0 DEDUP > HEALTH=C2=A0 ALTROOT > clustor2=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 -=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 -= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 -=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= -=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 -=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0 -=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 -=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = - > UNAVAIL=C2=A0 - > > Does this mean the pool's contents are now lost and unrecoverable? > > Andy >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?535969cf-0b0b-48ca-a163-fc238f316bb7>