On Tue, Sep 08, 2009 at 10:32:14PM +0200, Jens Axboe wrote: > On Tue, Sep 08 2009, Markus Trippelsdorf wrote: > > On Tue, Sep 08, 2009 at 10:00:42PM +0200, Jens Axboe wrote: > > > On Mon, Sep 07 2009, Markus Trippelsdorf wrote: > > > > Just got this error today in my dmesg: > > > > btrfs csum failed ino 1483065 off 158482432 csum 4283543305 private 43905798 > > > > I've already deleted the file in question unfortunately. > > On IRC Chris decided that either bad RAM or a harddrive error was the > > most likely reason for this chechsum mismatch. > > Darn, that's too bad. The corruption issue I had was also in a git pack > file. It was fine one day, bad the next. Turned out to be 16kb of 0xff > in the file, and I blamed it on the (cheap) SSD drive that hosted the > local git repo. It's still the most likely explanation given the nature > of the problem, however it would have been really interesting to see > what corruption you had. BTW, I had some similar issue. One file on btrfs had csum failed. I've copied it using dd_rescue and, suprise, reading new file yields this error also. How to retrieve block failing csum check from btrfs volume? -- Tomasz Torcz 72->| 80->| xmpp: zdzichubg@xxxxxxxxx 72->| 80->| -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
