Hi, I'm running OpenSuse 12.2 with kernel 3.5.3 HBA= LSI 1068e using the MPTSAS driver (patched) (https://patchwork.kernel.org/patch/1379181/) SANOS1:/media # uname -a Linux SANOS1 3.5.3 #3 SMP Sun Sep 2 18:44:37 CEST 2012 x86_64 x86_64 x86_64 GNU/Linux I've tried to simulate a disk replacement but it seems that now /dev/sdg is stuck in the btrfs pool (RAID10) SANOS1:/media # btrfs device scan Scanning for Btrfs filesystems ERROR: unable to scan the device '/dev/sdg' - Device or resource busy I've ran the btrfs device delete missing command before. /dev/sdg is connected, but not mounted, is not in use and there is no scrub running. ANOS1:/media # btrfs device delete /dev/sdg /btrfs/ ERROR: error removing the device '/dev/sdg' - No such file or directory SANOS1:/media # cat /etc/mtab /proc/mounts | grep btrfs /dev/sde /btrfs btrfs rw,noatime,space_cache,inode_ cache 0 0 /dev/sde /btrfs btrfs rw,noatime,space_cache,inode_cache 0 0 SANOS1:/media # cat /etc/mtab /proc/mounts | grep /dev/sdg SANOS1:/media # SANOS1:/media # lsof /dev/sdg SANOS1:/media # SANOS1:/media # btrfs filesystem show Label: 'firstpool' uuid: 517e8cfa-4275-4589-8da4-6a46ad613daa Total devices 13 FS bytes used 242.82GB devid 3 size 931.51GB used 90.28GB path /dev/sdg devid 14 size 931.51GB used 91.33GB path /dev/sdr devid 13 size 931.51GB used 90.50GB path /dev/sdq devid 12 size 931.51GB used 90.50GB path /dev/sdp devid 11 size 931.51GB used 90.50GB path /dev/sdo devid 10 size 931.51GB used 90.50GB path /dev/sdn devid 9 size 931.51GB used 90.50GB path /dev/sdm devid 8 size 931.51GB used 90.50GB path /dev/sdl devid 7 size 931.51GB used 91.50GB path /dev/sdk devid 6 size 931.51GB used 91.49GB path /dev/sdj devid 5 size 931.51GB used 91.33GB path /dev/sdi devid 4 size 931.51GB used 91.50GB path /dev/sdh devid 2 size 931.51GB used 91.33GB path /dev/sdf devid 1 size 931.51GB used 90.52GB path /dev/sde Also tried to again remove (physical) the disk drive, but the result is the same. dmesg: [92728.516346] device label firstpool devid 1 transid 31965 /dev/sde [92728.516378] device label firstpool devid 2 transid 31965 /dev/sdf [92728.516406] device label firstpool devid 4 transid 31965 /dev/sdh [92728.516432] device label firstpool devid 5 transid 31965 /dev/sdi [92728.516458] device label firstpool devid 6 transid 31965 /dev/sdj [92728.516484] device label firstpool devid 7 transid 31965 /dev/sdk [92728.516510] device label firstpool devid 8 transid 31965 /dev/sdl [92728.516535] device label firstpool devid 9 transid 31965 /dev/sdm [92728.516589] device label firstpool devid 10 transid 31965 /dev/sdn [92728.516617] device label firstpool devid 11 transid 31965 /dev/sdo [92728.516643] device label firstpool devid 12 transid 31965 /dev/sdp [92728.516669] device label firstpool devid 13 transid 31965 /dev/sdq [92728.516695] device label firstpool devid 14 transid 31965 /dev/sdr [92728.551786] device label firstpool devid 3 transid 31490 /dev/sdg [92750.177157] end_device-4:0:19: mptsas: ioc0: removing sata device: fw_channel 0, fw_id 12, phy 12,sas_addr 0x50030480008a364c [92750.177163] phy-4:0:20: mptsas: ioc0: delete phy 12, phy-obj (0xffff8803ab81d400) [92750.177170] port-4:0:19: mptsas: ioc0: delete port 19, sas_addr (0x50030480008a364c) [92750.178149] sd 4:0:18:0: [sdg] Synchronizing SCSI cache [92750.178326] sd 4:0:18:0: [sdg] [92750.178331] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [92750.178441] scsi target4:0:18: mptsas: ioc0: delete device: fw_channel 0, fw_id 12, phy 12, sas_addr 0x50030480008a364c [92766.761077] mptsas: ioc0: attaching sata device: fw_channel 0, fw_id 12, phy 12, sas_addr 0x50030480008a364c [92766.764242] scsi 4:0:19:0: Direct-Access ATA WDC WD1002FBYS-0 0C06 PQ: 0 ANSI: 5 [92766.766302] sd 4:0:19:0: Attached scsi generic sg6 type 0 [92766.769374] sd 4:0:19:0: [sdg] 1953525168 512-byte logical blocks: (1.00 TB/931 GiB) [92766.778433] sd 4:0:19:0: [sdg] Write Protect is off [92766.778438] sd 4:0:19:0: [sdg] Mode Sense: 73 00 00 08 [92766.780583] sd 4:0:19:0: [sdg] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [92766.797777] sdg: [92766.813296] sd 4:0:19:0: [sdg] Attached SCSI disk [92773.288107] device label singleBTRFS devid 1 transid 43 /dev/sdc [92773.288807] device label firstpool devid 1 transid 31967 /dev/sde [92773.288845] device label firstpool devid 2 transid 31967 /dev/sdf [92773.288877] device label firstpool devid 4 transid 31967 /dev/sdh [92773.288904] device label firstpool devid 5 transid 31967 /dev/sdi [92773.288927] device label firstpool devid 6 transid 31967 /dev/sdj [92773.288949] device label firstpool devid 7 transid 31967 /dev/sdk [92773.288971] device label firstpool devid 8 transid 31967 /dev/sdl [92773.288993] device label firstpool devid 9 transid 31967 /dev/sdm [92773.289014] device label firstpool devid 10 transid 31967 /dev/sdn [92773.289036] device label firstpool devid 11 transid 31967 /dev/sdo [92773.289058] device label firstpool devid 12 transid 31967 /dev/sdp [92773.289080] device label firstpool devid 13 transid 31967 /dev/sdq [92773.289102] device label firstpool devid 14 transid 31967 /dev/sdr [92773.313675] device label firstpool devid 3 transid 31490 /dev/sdg Can someone help me? It seems there is still some btrfs structure on the disk. Is this the cause of the error? Why can't BTRFS rebuild this "online"? SANOS1:/media # btrfs-find-root /dev/sdg | head ERROR: unable to scan the device '/dev/sdg' - Device or resource busy Well block 905192472576 seems great, but generation doesn't match, have=31490, want=32015 Super think's the tree root is at 906491981824, chunk root 628100251648 Generation: 31490 Root bytenr: 905192484864 Root objectid: 2 Generation: 31490 Root bytenr: 905543114752 Root objectid: 4 Generation: 31490 Root bytenr: 905641820160 Root objectid: 5 Generation: 31490 Root bytenr: 905689354240 Root objectid: 7 Generation: 31490 Root bytenr: 905688096768 Root objectid: 554 Generation: 31490 Root bytenr: 905687691264 Root objectid: 561 Generation: 31490 Root bytenr: 905642328064 Root objectid: 565 Generation: 31490 Root bytenr: 905642332160 Root objectid: 566 Generation: 31490 Root bytenr: 905678802944 Root objectid: 568 Couldn't map the block 433225728 Well block 905192542208 seems great, but generation doesn't match, have=31416, want=32015 -- 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
