Date: Fri, 02 Aug 2013 21:10:32 +0200 From: =?UTF-8?B?xYF1a2FzeiBXxIVzaWtvd3NraQ==?= <lukasz@wasikowski.net> To: =?UTF-8?B?VHJvbmQgRW5kcmVzdMO4bA==?= <Trond.Endrestol@fagskolen.gjovik.no> Cc: FreeBSD stable <freebsd-stable@freebsd.org> Subject: Re: ZFS: can't read MOS of pool Message-ID: <51FC0428.2090301@wasikowski.net> In-Reply-To: <alpine.BSF.2.00.1308021720430.90799@mail.fig.ol.no> References: <51ED5B69.8050200@wasikowski.net> <alpine.BSF.2.00.1307251813170.35028@mail.fig.ol.no> <51F17233.4080903@wasikowski.net> <alpine.BSF.2.00.1307252202420.35028@mail.fig.ol.no> <51FBCA6E.1080007@wasikowski.net> <alpine.BSF.2.00.1308021720430.90799@mail.fig.ol.no>
next in thread | previous in thread | raw e-mail | index | archive | help
W dniu 2013-08-02 17:28, Trond Endrestøl pisze: > On Fri, 2 Aug 2013 17:04+0200, ?ukasz W?sikowski wrote: >> Thank you for you reply. I did what you've suggested, now I'm getting: >> >> ZFS: i/o error - all block copies unavailable >> ZFS: can't read object set for dataset u >> ZFS: can't open root filesystem >> gptzfsboot: failed to mount default pool klawisz >> >> Those KVM VMs are very stubborn with this "I won't boot" attitude ;) > > Could there be a bug in the underlying storage system? It might be a bug in Proxmox or KVM. > What filesystem does the VM's virtual harddrives reside on? VM uses qcow container which is placed on ext4 on top of software raid-10. > Could the physical storage media be corrupt? No. I created identical VM on another physical Proxmox node and got the same boot error. > For some reason ZFS expects additional (leaf) vdevs to be present. > I've seen similar error messages when an insufficient number of drives > were not made visible by the boot firmware, i.e. BIOS. The most odd thing is that this setup is working for a while and then stops. > If this VM is important, you should make a snapshot, or make a copy, > if you have enough free space. I can prepare another VM with that booting problem for tests so I'm not afraid of data loss. > And it might be best to seek advice from someone more versed with the > internals of ZFS than I am. :-/ Thank you for trying :) -- best regards, Lukasz Wasikowski
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?51FC0428.2090301>