Hi, Sorry, forgot to ansewer on-list, but I'm forwarding my question to William and his answer in next message. ----- Forwarded message from Piotr Szymaniak <szarpaj@xxxxxxxxxxx> ----- Date: Mon, 25 Jan 2016 17:48:49 +0100 From: Piotr Szymaniak <szarpaj@xxxxxxxxxxx> To: WillIam Thorne <will.thorne@xxxxxx> Subject: Re: suspected BTRFS errors resulting in file system becoming unrecovable User-Agent: Mutt/1.5.23 (2014-03-12) On Mon, Jan 25, 2016 at 02:58:31PM +0000, WillIam Thorne wrote: > Jan 20 09:43:18 mail kernel: [2762823.972851] blk_update_request: I/O error, dev sda, sector 16198688 > Jan 20 09:43:18 mail kernel: [2762823.977052] blk_update_request: I/O error, dev sda, sector 16198928 > Jan 20 09:43:18 mail kernel: [2762823.978318] blk_update_request: I/O error, dev sda, sector 16199168 > Jan 20 09:43:18 mail kernel: [2762823.983304] blk_update_request: I/O error, dev sda, sector 16172024 > Jan 20 09:43:18 mail kernel: [2762823.987855] blk_update_request: I/O error, dev sda, sector 16172264 > Jan 20 09:43:18 mail kernel: [2762823.989193] blk_update_request: I/O error, dev sda, sector 16172504 Hi, This looks like bad sectors, not btrfs fault (on the other hand, few bad sectors should not make fs unrecoverable). Can you paste smartctl -x /dev/[yourdevice] output? Best regards, Piotr Szymaniak. ----- End forwarded message -----
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