root@Okabe:~# zpool import -F -o readonly=on zfs cannot import 'zfs': one or more devices is currently unavailable root@Okabe:~# tail -n 100 /proc/spl/kstat/zfs/dbgmsg 1767190044 ffff88810687e300 spa_misc.c:2405:spa_import_progress_set_notes_impl(): 'cache' Verifying pool data 1767190044 ffff88810687e300 spa_misc.c:2405:spa_import_progress_set_notes_impl(): 'cache' Calculating deflated space 1767190044 ffff88810687e300 spa_misc.c:2405:spa_import_progress_set_notes_impl(): 'cache' Starting import 1767190044 ffff88810687e300 spa.c:9320:spa_async_request(): spa=$import-ffff88810687e300-cache async request task=2048 1767190044 ffff88810687e300 spa_misc.c:430:spa_load_note(): spa_load($import-ffff88810687e300-cache, config trusted): LOADED 1767190044 ffff88810687e300 spa_misc.c:430:spa_load_note(): spa_load($import-ffff88810687e300-cache, config trusted): UNLOADING 1767190044 ffff88810687e300 metaslab.c:1703:spa_set_allocator(): spa allocator: dynamic 1767190044 ffff88810687e300 spa.c:6921:spa_tryimport(): spa_tryimport: importing zfs 1767190044 ffff88810687e300 spa_misc.c:430:spa_load_note(): spa_load($import-ffff88810687e300-zfs, config trusted): LOADING 1767190044 ffff888101540000 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': probe done, cant_read=0 cant_write=1 1767190044 ffff888101540000 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop16': probe done, cant_read=0 cant_write=1 1767190045 ffff888161670000 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/disk/by-id/ata-WDC_WD160EDGZ-11B2DA0_2CKUTT7J-part1': open error=2 timeout=1000092898/1000000000 1767190045 ffff88810687e300 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': best uberblock found for spa $import-ffff88810687e300-zfs. txg 1701 1767190045 ffff88810687e300 spa_misc.c:430:spa_load_note(): spa_load($import-ffff88810687e300-zfs, config untrusted): using uberblock with txg=1701 1767190045 ffff88810687e300 spa_misc.c:416:spa_load_failed(): spa_load($import-ffff88810687e300-zfs, config untrusted): FAILED: couldn't get 'config' value in MOS directory [error=52] 1767190045 ffff88810687e300 spa_misc.c:430:spa_load_note(): spa_load($import-ffff88810687e300-zfs, config untrusted): UNLOADING 1767192370 ffff8881719fd280 metaslab.c:1703:spa_set_allocator(): spa allocator: dynamic 1767192370 ffff8881719fd280 spa.c:6921:spa_tryimport(): spa_tryimport: importing zfs 1767192370 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load($import-ffff8881719fd280-zfs, config trusted): LOADING 1767192370 ffff8881433ad280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': probe done, cant_read=0 cant_write=1 1767192370 ffff8881433ad280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop16': probe done, cant_read=0 cant_write=1 1767192371 ffff888100c01080 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/disk/by-id/ata-WDC_WD160EDGZ-11B2DA0_2CKUTT7J-part1': open error=2 timeout=1002851272/1000000000 1767192371 ffff8881719fd280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': best uberblock found for spa $import-ffff8881719fd280-zfs. txg 1701 1767192371 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load($import-ffff8881719fd280-zfs, config untrusted): using uberblock with txg=1701 1767192371 ffff8881719fd280 spa_misc.c:416:spa_load_failed(): spa_load($import-ffff8881719fd280-zfs, config untrusted): FAILED: couldn't get 'config' value in MOS directory [error=52] 1767192371 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load($import-ffff8881719fd280-zfs, config untrusted): UNLOADING 1767192371 ffff8881719fd280 metaslab.c:1703:spa_set_allocator(): spa allocator: dynamic 1767192371 ffff8881719fd280 spa.c:6768:spa_import(): spa_import: importing zfs, max_txg=-1 (RECOVERY MODE) 1767192371 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config trusted): LOADING 1767192371 ffff888165135280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': probe done, cant_read=0 cant_write=1 1767192371 ffff888165135280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop16': probe done, cant_read=0 cant_write=1 1767192372 ffff8883a6bc0000 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/disk/by-id/ata-WDC_WD160EDGZ-11B2DA0_2CKUTT7J-part1': open error=2 timeout=1000461701/1000000000 1767192372 ffff8881719fd280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': best uberblock found for spa zfs. txg 1701 1767192372 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): using uberblock with txg=1701 1767192372 ffff8881719fd280 spa_misc.c:416:spa_load_failed(): spa_load(zfs, config untrusted): FAILED: couldn't get 'config' value in MOS directory [error=52] 1767192372 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): UNLOADING 1767192372 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): spa_load_retry: rewind, max txg: 1700 1767192372 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): LOADING 1767192372 ffff8881089db180 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop16': probe done, cant_read=0 cant_write=1 1767192372 ffff8881089db180 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': probe done, cant_read=0 cant_write=1 1767192373 ffff88810152e300 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/disk/by-id/ata-WDC_WD160EDGZ-11B2DA0_2CKUTT7J-part1': open error=2 timeout=1003017133/1000000000 1767192373 ffff8881719fd280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': best uberblock found for spa zfs. txg 1700 1767192373 ffff8881719fd280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': label discarded as txg is too large (1701 > 1700) 1767192373 ffff8881719fd280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': failed to read label config 1767192373 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): using uberblock with txg=1700 1767192373 ffff8881719fd280 spa_misc.c:416:spa_load_failed(): spa_load(zfs, config untrusted): FAILED: label config unavailable 1767192373 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): UNLOADING 1767192373 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): spa_load_retry: rewind, max txg: 1699 1767192373 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): LOADING 1767192373 ffff88810871a100 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': probe done, cant_read=0 cant_write=1 1767192373 ffff88810871a100 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop16': probe done, cant_read=0 cant_write=1 1767192374 ffff8881514bd280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/disk/by-id/ata-WDC_WD160EDGZ-11B2DA0_2CKUTT7J-part1': open error=2 timeout=1000873254/1000000000 1767192374 ffff8881719fd280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': best uberblock found for spa zfs. txg 1698 1767192374 ffff8881719fd280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': label discarded as txg is too large (1701 > 1698) 1767192374 ffff8881719fd280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': failed to read label config 1767192374 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): using uberblock with txg=1698 1767192374 ffff8881719fd280 spa_misc.c:416:spa_load_failed(): spa_load(zfs, config untrusted): FAILED: label config unavailable 1767192374 ffff8881719fd280 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): UNLOADING 1767192387 ffff8881719f9080 metaslab.c:1703:spa_set_allocator(): spa allocator: dynamic 1767192387 ffff8881719f9080 spa.c:6921:spa_tryimport(): spa_tryimport: importing zfs 1767192387 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load($import-ffff8881719f9080-zfs, config trusted): LOADING 1767192387 ffff888107dd0000 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop16': probe done, cant_read=0 cant_write=1 1767192387 ffff888107dd0000 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': probe done, cant_read=0 cant_write=1 1767192388 ffff888101540000 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/disk/by-id/ata-WDC_WD160EDGZ-11B2DA0_2CKUTT7J-part1': open error=2 timeout=1000621421/1000000000 1767192388 ffff8881719f9080 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': best uberblock found for spa $import-ffff8881719f9080-zfs. txg 1701 1767192388 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load($import-ffff8881719f9080-zfs, config untrusted): using uberblock with txg=1701 1767192388 ffff8881719f9080 spa_misc.c:416:spa_load_failed(): spa_load($import-ffff8881719f9080-zfs, config untrusted): FAILED: couldn't get 'config' value in MOS directory [error=52] 1767192388 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load($import-ffff8881719f9080-zfs, config untrusted): UNLOADING 1767192388 ffff8881719f9080 metaslab.c:1703:spa_set_allocator(): spa allocator: dynamic 1767192388 ffff8881719f9080 spa.c:6768:spa_import(): spa_import: importing zfs, max_txg=-1 (RECOVERY MODE) 1767192388 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config trusted): LOADING 1767192388 ffff888100c55280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop16': probe done, cant_read=0 cant_write=1 1767192388 ffff888100c55280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': probe done, cant_read=0 cant_write=1 1767192389 ffff8881009eb180 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/disk/by-id/ata-WDC_WD160EDGZ-11B2DA0_2CKUTT7J-part1': open error=2 timeout=1001281462/1000000000 1767192389 ffff8881719f9080 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': best uberblock found for spa zfs. txg 1701 1767192389 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): using uberblock with txg=1701 1767192389 ffff8881719f9080 spa_misc.c:416:spa_load_failed(): spa_load(zfs, config untrusted): FAILED: couldn't get 'config' value in MOS directory [error=52] 1767192389 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): UNLOADING 1767192389 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): spa_load_retry: rewind, max txg: 1700 1767192389 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): LOADING 1767192389 ffff8883ac3fa100 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': probe done, cant_read=0 cant_write=1 1767192389 ffff8883ac3fa100 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop16': probe done, cant_read=0 cant_write=1 1767192390 ffff888106f55280 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/disk/by-id/ata-WDC_WD160EDGZ-11B2DA0_2CKUTT7J-part1': open error=2 timeout=1001363846/1000000000 1767192390 ffff8881719f9080 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': best uberblock found for spa zfs. txg 1700 1767192390 ffff8881719f9080 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': label discarded as txg is too large (1701 > 1700) 1767192390 ffff8881719f9080 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': failed to read label config 1767192390 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): using uberblock with txg=1700 1767192390 ffff8881719f9080 spa_misc.c:416:spa_load_failed(): spa_load(zfs, config untrusted): FAILED: label config unavailable 1767192390 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): UNLOADING 1767192390 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): spa_load_retry: rewind, max txg: 1699 1767192390 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): LOADING 1767192390 ffff88810871a100 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': probe done, cant_read=0 cant_write=1 1767192390 ffff88810871a100 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop16': probe done, cant_read=0 cant_write=1 1767192391 ffff8883ac3fe300 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/disk/by-id/ata-WDC_WD160EDGZ-11B2DA0_2CKUTT7J-part1': open error=2 timeout=1000714637/1000000000 1767192391 ffff8881719f9080 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': best uberblock found for spa zfs. txg 1698 1767192391 ffff8881719f9080 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': label discarded as txg is too large (1701 > 1698) 1767192391 ffff8881719f9080 vdev.c:184:vdev_dbgmsg(): disk vdev '/dev/loop15': failed to read label config 1767192391 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): using uberblock with txg=1698 1767192391 ffff8881719f9080 spa_misc.c:416:spa_load_failed(): spa_load(zfs, config untrusted): FAILED: label config unavailable 1767192391 ffff8881719f9080 spa_misc.c:430:spa_load_note(): spa_load(zfs, config untrusted): UNLOADING