On Fri, Jan 07, 2011 at 08:01:47PM +0100, Tomasz Chmielewski wrote: > I got a "power cycle", after which I'm no longer able to mount btrfs > filesystem: > > > device fsid xxxxx-yyyyy devid 1 transid 169686 /dev/vda3 > device fsid xxxxx-yyyyy devid 1 transid 169686 /dev/vda3 > parent transid verify failed on 3260289024 wanted 169686 found 169685 > parent transid verify failed on 3260289024 wanted 169686 found 169685 > parent transid verify failed on 3260289024 wanted 169686 found 169685 > btrfs: open_ctree failed > > > Tried to get that mounted with 2.6.35 and 2.6.37, without success. > > Is there a way to fix it?
The forthcoming[1] btrfsck tool should handle that particular error, I believe. To prevent it from happening again, ensure that you have working barriers on your disks, or that you turn off write caching on the drives at every boot. Hugo. [1] out "real soon now" -- === Hugo Mills: h...@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- Well, sir, the floor is yours. But remember, the --- roof is ours!
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