Forgot to add, I've got a spare empty bay if it can be useful here. -- With Best Regards, Marat Khalili
On September 9, 2017 10:46:10 AM GMT+03:00, Marat Khalili <m...@rqc.ru> wrote: >Dear list, > >I'm going to replace one hard drive (partition actually) of a btrfs >raid1. Can you please spell exactly what I need to do in order to get >my >filesystem working as RAID1 again after replacement, exactly as it was >before? I saw some bad examples of drive replacement in this list so I >afraid to just follow random instructions on wiki, and putting this >system out of action even temporarily would be very inconvenient. > >For this filesystem: > >> $ sudo btrfs fi show /dev/sdb7 >> Label: 'data' uuid: 37d3313a-e2ad-4b7f-98fc-a01d815952e0 >> Total devices 2 FS bytes used 106.23GiB >> devid 1 size 2.71TiB used 126.01GiB path /dev/sda7 >> devid 2 size 2.71TiB used 126.01GiB path /dev/sdb7 >> $ grep /mnt/data /proc/mounts >> /dev/sda7 /mnt/data btrfs >> rw,noatime,space_cache,autodefrag,subvolid=5,subvol=/ 0 0 >> $ sudo btrfs fi df /mnt/data >> Data, RAID1: total=123.00GiB, used=104.57GiB >> System, RAID1: total=8.00MiB, used=48.00KiB >> Metadata, RAID1: total=3.00GiB, used=1.67GiB >> GlobalReserve, single: total=512.00MiB, used=0.00B >> $ uname -a >> Linux host 4.4.0-93-generic #116-Ubuntu SMP Fri Aug 11 21:17:51 UTC >> 2017 x86_64 x86_64 x86_64 GNU/Linux > >I've got this in dmesg: > >> [Sep 8 20:31] ata6.00: exception Emask 0x0 SAct 0x7ecaa5ef SErr 0x0 >> action 0x0 >> [ +0.000051] ata6.00: irq_stat 0x40000008 >> [ +0.000029] ata6.00: failed command: READ FPDMA QUEUED >> [ +0.000038] ata6.00: cmd 60/70:18:50:6c:f3/00:00:79:00:00/40 tag 3 >> ncq 57344 in >> res 41/40:00:68:6c:f3/00:00:79:00:00/40 Emask >> 0x409 (media error) <F> >> [ +0.000094] ata6.00: status: { DRDY ERR } >> [ +0.000026] ata6.00: error: { UNC } >> [ +0.001195] ata6.00: configured for UDMA/133 >> [ +0.000030] sd 6:0:0:0: [sdb] tag#3 FAILED Result: hostbyte=DID_OK >> driverbyte=DRIVER_SENSE >> [ +0.000005] sd 6:0:0:0: [sdb] tag#3 Sense Key : Medium Error >> [current] [descriptor] >> [ +0.000004] sd 6:0:0:0: [sdb] tag#3 Add. Sense: Unrecovered read >> error - auto reallocate failed >> [ +0.000005] sd 6:0:0:0: [sdb] tag#3 CDB: Read(16) 88 00 00 00 00 00 > >> 79 f3 6c 50 00 00 00 70 00 00 >> [ +0.000003] blk_update_request: I/O error, dev sdb, sector >2045996136 >> [ +0.000047] BTRFS error (device sda7): bdev /dev/sdb7 errs: wr 0, >rd >> 1, flush 0, corrupt 0, gen 0 >> [ +0.000062] BTRFS error (device sda7): bdev /dev/sdb7 errs: wr 0, >rd >> 2, flush 0, corrupt 0, gen 0 >> [ +0.000077] ata6: EH complete > >There's still 1 in Current_Pending_Sector line of smartctl output as of > >now, so it probably won't heal by itself. > >-- > >With Best Regards, >Marat Khalili >-- >To unsubscribe from this list: send the line "unsubscribe linux-btrfs" >in >the body of a message to majord...@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html