journal(Kernel log), 7th try (to be readonly): --- 3月 12 16:25:51 lily kernel: BTRFS info (device dm-6): creating UUID tree 3月 12 16:25:53 lily iscsid[1406]: Connection-1:0 to [target: iqn.1994-11.com.netgear:eggplant-01:edc9adcf:btr1group, portal: 192.168.1.166,3260] through [iface: default] is shutdown. 3月 12 16:25:53 lily iscsid[1406]: IPC qtask write failed: Broken pipe 3月 12 16:26:18 lily kernel: connection1:0: detected conn error (1020) 3月 12 16:26:19 lily iscsid[1406]: Kernel reported iSCSI connection 1:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (3) 3月 12 16:26:21 lily kernel: sd 8:0:0:0: [sdg] tag#5 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 12 16:26:21 lily kernel: sd 8:0:0:0: [sdg] tag#5 Sense Key : 0x2 [current] [descriptor] 3月 12 16:26:21 lily kernel: sd 8:0:0:0: [sdg] tag#5 ASC=0x8 ASCQ=0x0 3月 12 16:26:21 lily kernel: sd 8:0:0:0: [sdg] tag#5 CDB: opcode=0x8a 8a 00 00 00 00 00 00 42 5c 00 00 00 34 00 00 00 3月 12 16:26:21 lily kernel: print_req_error: I/O error, dev sdg, sector 4348928 3月 12 16:26:21 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0 3月 12 16:26:21 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0 3月 12 16:26:21 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 3, rd 0, flush 0, corrupt 0, gen 0 3月 12 16:26:21 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 4, rd 0, flush 0, corrupt 0, gen 0 3月 12 16:26:21 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 5, rd 0, flush 0, corrupt 0, gen 0 3月 12 16:26:21 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 6, rd 0, flush 0, corrupt 0, gen 0 3月 12 16:26:21 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 7, rd 0, flush 0, corrupt 0, gen 0 3月 12 16:26:21 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 8, rd 0, flush 0, corrupt 0, gen 0 3月 12 16:26:21 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 9, rd 0, flush 0, corrupt 0, gen 0 3月 12 16:26:21 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 10, rd 0, flush 0, corrupt 0, gen 0 3月 12 16:26:21 lily kernel: sd 8:0:0:0: [sdg] tag#6 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 12 16:26:21 lily kernel: sd 8:0:0:0: [sdg] tag#6 Sense Key : 0x2 [current] [descriptor] 3月 12 16:26:21 lily kernel: sd 8:0:0:0: [sdg] tag#6 ASC=0x8 ASCQ=0x0 3月 12 16:26:21 lily kernel: sd 8:0:0:0: [sdg] tag#6 CDB: opcode=0x8a 8a 00 00 00 00 00 00 42 20 00 00 00 3c 00 00 00 3月 12 16:26:21 lily kernel: print_req_error: I/O error, dev sdg, sector 4333568 3月 12 16:26:21 lily kernel: connection1:0: detected conn error (1020) 3月 12 16:26:21 lily iscsid[1406]: connection1:0 is operational after recovery (1 attempts) 3月 12 16:26:21 lily iscsid[1406]: Kernel reported iSCSI connection 1:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (3) 3月 12 16:26:23 lily kernel: connection1:0: detected conn error (1020) 3月 12 16:26:23 lily iscsid[1406]: connection1:0 is operational after recovery (1 attempts) 3月 12 16:26:23 lily iscsid[1406]: Kernel reported iSCSI connection 1:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (3) 3月 12 16:26:25 lily kernel: connection1:0: detected conn error (1020) 3月 12 16:26:25 lily iscsid[1406]: connection1:0 is operational after recovery (1 attempts) 3月 12 16:26:25 lily iscsid[1406]: Kernel reported iSCSI connection 1:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (3) 3月 12 16:26:27 lily iscsid[1406]: connection1:0 is operational after recovery (1 attempts) 3月 12 16:31:31 lily kernel: connection1:0: detected conn error (1020) 3月 12 16:31:32 lily iscsid[1406]: Kernel reported iSCSI connection 1:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (3) 3月 12 16:31:34 lily iscsid[1406]: connection1:0 is operational after recovery (1 attempts) 3月 12 16:35:13 lily systemd[1]: Starting Cleanup of Temporary Directories... 3月 12 16:35:13 lily systemd[1]: Started Cleanup of Temporary Directories. ... 3月 12 16:53:40 lily kernel: hrtimer: interrupt took 14162 ns 3月 12 17:01:01 lily CROND[1926]: (root) CMD (run-parts /etc/cron.hourly) 3月 12 18:01:01 lily CROND[2095]: (root) CMD (run-parts /etc/cron.hourly) 3月 12 18:11:32 lily kernel: sd 8:0:0:0: [sdg] tag#15 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 12 18:11:32 lily kernel: sd 8:0:0:0: [sdg] tag#15 Sense Key : 0x2 [current] [descriptor] 3月 12 18:11:32 lily kernel: sd 8:0:0:0: [sdg] tag#15 ASC=0x8 ASCQ=0x0 3月 12 18:11:32 lily kernel: sd 8:0:0:0: [sdg] tag#15 CDB: opcode=0x8a 8a 00 00 00 00 00 35 9f df 30 00 00 40 00 00 00 3月 12 18:11:32 lily kernel: print_req_error: I/O error, dev sdg, sector 899669808 3月 12 18:11:32 lily kernel: btrfs_dev_stat_print_on_error: 18 callbacks suppressed 3月 12 18:11:32 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 29, rd 0, flush 0, corrupt 0, gen 0 3月 12 18:11:32 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 30, rd 0, flush 0, corrupt 0, gen 0 3月 12 18:11:32 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 31, rd 0, flush 0, corrupt 0, gen 0 3月 12 18:11:32 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 32, rd 0, flush 0, corrupt 0, gen 0 3月 12 18:11:32 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 33, rd 0, flush 0, corrupt 0, gen 0 3月 12 18:11:32 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 34, rd 0, flush 0, corrupt 0, gen 0 3月 12 18:11:32 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 35, rd 0, flush 0, corrupt 0, gen 0 3月 12 18:11:32 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 36, rd 0, flush 0, corrupt 0, gen 0 3月 12 18:11:32 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 37, rd 0, flush 0, corrupt 0, gen 0 3月 12 18:11:32 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 38, rd 0, flush 0, corrupt 0, gen 0 3月 12 19:01:01 lily CROND[2257]: (root) CMD (run-parts /etc/cron.hourly) 3月 12 19:14:24 lily kernel: connection1:0: detected conn error (1020) 3月 12 19:14:25 lily iscsid[1406]: Kernel reported iSCSI connection 1:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (3) 3月 12 19:14:27 lily iscsid[1406]: connection1:0 is operational after recovery (1 attempts) 3月 12 19:14:34 lily kernel: connection1:0: detected conn error (1020) 3月 12 19:14:35 lily iscsid[1406]: Kernel reported iSCSI connection 1:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (3) 3月 12 19:14:37 lily iscsid[1406]: connection1:0 is operational after recovery (1 attempts) ... 3月 13 00:15:26 lily kernel: sd 8:0:0:0: [sdg] tag#2 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 13 00:15:26 lily kernel: sd 8:0:0:0: [sdg] tag#2 Sense Key : 0x2 [current] [descriptor] 3月 13 00:15:26 lily kernel: sd 8:0:0:0: [sdg] tag#2 ASC=0x8 ASCQ=0x0 3月 13 00:15:26 lily kernel: sd 8:0:0:0: [sdg] tag#2 CDB: opcode=0x8a 8a 00 00 00 00 00 c9 e0 8b 80 00 00 40 00 00 00 3月 13 00:15:26 lily kernel: print_req_error: I/O error, dev sdg, sector 3386936192 3月 13 00:15:26 lily kernel: btrfs_dev_stat_print_on_error: 6 callbacks suppressed 3月 13 00:15:26 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 45, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:15:26 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 46, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:15:26 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 47, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:15:26 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 48, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:27:47 lily systemd[1]: Started Update locate database. 3月 13 00:36:43 lily kernel: sd 8:0:0:0: [sdg] tag#22 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 13 00:36:43 lily kernel: sd 8:0:0:0: [sdg] tag#22 Sense Key : 0x2 [current] [descriptor] 3月 13 00:36:43 lily kernel: sd 8:0:0:0: [sdg] tag#22 ASC=0x8 ASCQ=0x0 3月 13 00:36:43 lily kernel: sd 8:0:0:0: [sdg] tag#22 CDB: opcode=0x8a 8a 00 00 00 00 00 ee 9e bb c0 00 00 40 00 00 00 3月 13 00:36:43 lily kernel: print_req_error: I/O error, dev sdg, sector 4003380160 3月 13 00:36:43 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 49, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:36:43 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 50, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:36:43 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 51, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:36:43 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 52, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:36:43 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 53, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:36:43 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 54, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:36:43 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 55, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:36:43 lily kernel: sd 8:0:0:0: [sdg] tag#23 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 13 00:36:43 lily kernel: sd 8:0:0:0: [sdg] tag#23 Sense Key : 0x2 [current] [descriptor] 3月 13 00:36:43 lily kernel: sd 8:0:0:0: [sdg] tag#23 ASC=0x8 ASCQ=0x0 3月 13 00:36:43 lily kernel: sd 8:0:0:0: [sdg] tag#23 CDB: opcode=0x8a 8a 00 00 00 00 00 ee 9e fb c0 00 00 38 80 00 00 3月 13 00:36:43 lily kernel: print_req_error: I/O error, dev sdg, sector 4003396544 3月 13 00:36:43 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 56, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:36:43 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 57, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:36:43 lily kernel: BTRFS error (device dm-6): bdev /dev/mapper/hymaster_1 errs: wr 58, rd 0, flush 0, corrupt 0, gen 0 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#1 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#1 Sense Key : 0x2 [current] [descriptor] 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#1 ASC=0x8 ASCQ=0x0 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#1 CDB: opcode=0x8a 8a 00 00 00 00 00 cd 6f 0b 80 00 00 2a 20 00 00 3月 13 00:36:47 lily kernel: print_req_error: I/O error, dev sdg, sector 3446606720 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#2 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#2 Sense Key : 0x2 [current] [descriptor] 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#2 ASC=0x8 ASCQ=0x0 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#2 CDB: opcode=0x8a 8a 00 00 00 00 00 cd 6f 35 c0 00 00 3f c0 00 00 3月 13 00:36:47 lily kernel: print_req_error: I/O error, dev sdg, sector 3446617536 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#3 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#1 Sense Key : 0x2 [current] [descriptor] 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#1 ASC=0x8 ASCQ=0x0 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#1 CDB: opcode=0x8a 8a 00 00 00 00 00 cd 6f 0b 80 00 00 2a 20 00 00 3月 13 00:36:47 lily kernel: print_req_error: I/O error, dev sdg, sector 3446606720 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#2 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#2 Sense Key : 0x2 [current] [descriptor] 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#2 ASC=0x8 ASCQ=0x0 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#2 CDB: opcode=0x8a 8a 00 00 00 00 00 cd 6f 35 c0 00 00 3f c0 00 00 3月 13 00:36:47 lily kernel: print_req_error: I/O error, dev sdg, sector 3446617536 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#3 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#3 Sense Key : 0x2 [current] [descriptor] 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#3 ASC=0x8 ASCQ=0x0 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#3 CDB: opcode=0x8a 8a 00 00 00 00 00 cd 6f 75 80 00 00 30 80 00 00 3月 13 00:36:47 lily kernel: print_req_error: I/O error, dev sdg, sector 3446633856 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#5 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#5 Sense Key : 0x2 [current] [descriptor] 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#5 ASC=0x8 ASCQ=0x0 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#5 CDB: opcode=0x8a 8a 00 00 00 00 00 cd 7f 35 c0 00 00 3f c0 00 00 3月 13 00:36:47 lily kernel: print_req_error: I/O error, dev sdg, sector 3447666112 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#6 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#6 Sense Key : 0x2 [current] [descriptor] 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#6 ASC=0x8 ASCQ=0x0 3月 13 00:36:47 lily kernel: sd 8:0:0:0: [sdg] tag#6 CDB: opcode=0x8a 8a 00 00 00 00 00 cd 7f 75 80 00 00 30 80 00 00 3月 13 00:36:47 lily kernel: print_req_error: I/O error, dev sdg, sector 3447682432 3月 13 00:36:47 lily kernel: BTRFS: error (device dm-6) in btrfs_commit_transaction:2253: errno=-5 IO failure (Error while writing out transaction) 3月 13 00:36:47 lily kernel: BTRFS info (device dm-6): forced readonly 3月 13 00:36:47 lily kernel: BTRFS warning (device dm-6): Skipping commit of aborted transaction. 3月 13 00:36:47 lily kernel: BTRFS: error (device dm-6) in cleanup_transaction:1873: errno=-5 IO failure 3月 13 00:36:47 lily kernel: BTRFS info (device dm-6): delayed_refs has NO entry ---
btrfs check output, 11th try (to be readonly): --- checking extents checking free space cache checking fs roots root 257 inode 503608 errors 100, file extent discount Found file extent holes: start: 1610612736, len: 134217728 ERROR: errors found in fs roots Checking filesystem on /dev/mapper/hymaster_1 UUID: ed789994-420e-4781-bab8-d395cfff27ed found 1333560619008 bytes used, error(s) found total csum bytes: 1299853404 total tree bytes: 2184232960 total fs tree bytes: 560693248 total extent tree bytes: 76267520 btree space waste bytes: 302431759 file data blocks allocated: 1331376386048 referenced 1332755861504 --- Note: This system's structure is; Computer (Linux 4.14/4.15) - btrfs (original) - dm-crypt plain - internal 4 disks \_ btrfs (destination) - dm-crypt plain - iSCSI (single) - NAS - Hardware RAID5 - 8 disks > > > On 2018年03月13日 12:19, MASAKI haruka wrote: > > *Now* I tried with Linux 4.14 and 4.15. > > I experienced same probrem and reported in 2014 with Linux 3.9 and 3.10. > > (Perchance, actually the kernel was newer than 3.10, anyway I experienced > > same probrem with old 3.x kernel.) > > Then kernel message please. > > Especially for the readonly case. > > And "btrfs check" output please. > > Thanks, > Qu > > > > > >> > >> > >> On 2018年03月13日 05:57, MASAKI haruka wrote: > >>> I'm trying to clone 18TiB data between btrfs, > >>> but it will crash anyway. > >>> > >>> This probrem is occured even how to clone (btrfs send/receive, rsync or > >>> cp.) > >>> I experienced same probrem in Linux 3.9 and Linux 3.10. > >> > >> Did you really mean *3*.9 and *3*.10? > >> > >> That's too old for btrfs usage IIRC. > >> > >> It would be *4*.9 or *4*.10 for a relative new kernel for btrfs. > >> > >> Would you please try some latest mainline kernel again? > >> > >>> > >>> What happen: > >>> > >>> 1. Failed to write because I/O error (read only filesystem) > >>> 2. writing to the btrfs succeeds and fails randomly. > >>> 3. The btrfs unable to unmount (resource is busy.) Unable to umount even > >>> forcely, so cannot halt. > >>> > >>> Example: > >>> --- > >>> mkfile o7784-11-0 > >>> rename o7784-11-0 -> > >>> .filesystem/HDD/.XFV_pp/,fQO40jotqhUZ0/5JSSubx1Ph5xYNOcXhIAoIK3/XDGOWpbx,5zYWEi0L5LHdWBo/kVxX8RdGhryQiEMOm4II2qMw > >>> utimes > >>> .filesystem/HDD/.XFV_pp/,fQO40jotqhUZ0/5JSSubx1Ph5xYNOcXhIAoIK3/XDGOWpbx,5zYWEi0L5LHdWBo > >>> truncate > >>> .filesystem/HDD/.XFV_pp/,fQO40jotqhUZ0/5JSSubx1Ph5xYNOcXhIAoIK3/XDGOWpbx,5zYWEi0L5LHdWBo/kVxX8RdGhryQiEMOm4II2qMw > >>> size=1073698824 > >>> chown > >>> .filesystem/HDD/.XFV_pp/,fQO40jotqhUZ0/5JSSubx1Ph5xYNOcXhIAoIK3/XDGOWpbx,5zYWEi0L5LHdWBo/kVxX8RdGhryQiEMOm4II2qMw > >>> - uid=1000, gid=1000 > >>> chmod > >>> .filesystem/HDD/.XFV_pp/,fQO40jotqhUZ0/5JSSubx1Ph5xYNOcXhIAoIK3/XDGOWpbx,5zYWEi0L5LHdWBo/kVxX8RdGhryQiEMOm4II2qMw > >>> - mode=0600 > >>> utimes > >>> .filesystem/HDD/.XFV_pp/,fQO40jotqhUZ0/5JSSubx1Ph5xYNOcXhIAoIK3/XDGOWpbx,5zYWEi0L5LHdWBo/kVxX8RdGhryQiEMOm4II2qMw > >>> mkfile o7785-12-0 > >>> rename o7785-12-0 -> > >>> .filesystem/HDD/.XFV_pp/,fQO40jotqhUZ0/5JSSubx1Ph5xYNOcXhIAoIK3/XDGOWpbx,5zYWEi0L5LHdWBo/lSABmfoArm9pAtade-gHmS6X > >>> utimes > >>> .filesystem/HDD/.XFV_pp/,fQO40jotqhUZ0/5JSSubx1Ph5xYNOcXhIAoIK3/XDGOWpbx,5zYWEi0L5LHdWBo > >>> truncate > >>> .filesystem/HDD/.XFV_pp/,fQO40jotqhUZ0/5JSSubx1Ph5xYNOcXhIAoIK3/XDGOWpbx,5zYWEi0L5LHdWBo/lSABmfoArm9pAtade-gHmS6X > >>> size=864067592 > >>> ERROR: truncate > >>> .filesystem/HDD/.XFV_pp/,fQO40jotqhUZ0/5JSSubx1Ph5xYNOcXhIAoIK3/XDGOWpbx,5zYWEi0L5LHdWBo/lSABmfoArm9pAtade-gHmS6X > >>> failed: Input/output error > >>> btrfs send 180310235348 0.09s user 11.98s system 16% cpu 1:14.42 total > >>> --- > >> > >> In that case, we need kernel message to investigate. > >> (And of course, please use at least 4.x kernel) > >> > >> Thanks, > >> Qu > >> > >>> > >>> Tries: > >>> 1. > >>> Connect between host A (btrfs, 4disks) and B with socat (TCP). > >>> Host B write to iSCSI disk (btrfs, single). > >>> clone with btrfs send/receive. Linux 4.15. > >>> -> Crashed at transfarred 1.78TB > >>> > >>> 2. > >>> Delete snapshot and retry. > >>> Connect between host A and B with SSH and socat (UNIX). > >>> Host B write to iSCSI disk (btrfs, single). > >>> clone with btrfs send/receive. Linux 4.15. > >>> -> Crashed at transfarred 90GB > >>> > >>> 3. > >>> Recreate btrfs. > >>> Host A write to iSCSI disk. > >>> clone with btrfs send/receive. Linux 4.15. > >>> -> Crashed at transfarred 260GB > >>> > >>> 4. > >>> Recreate btrfs. > >>> Original disk attach to other computer (having more resource.) > >>> clone with btrfs send/receive. Linux 4.15. > >>> -> Crashed at transfarred 120GB > >>> > >>> 5. > >>> Recreate btrfs. > >>> Clone with rsync. Linux 4.15. > >>> -> Crashed at transfarred 100GB > >>> > >>> 6. > >>> Recreate btrfs. > >>> Try with Linux 4.14, btrfs send/receive. > >>> -> Crashed at transfarred 3.98TB > >>> > >>> 7. > >>> Recreate btrfs. > >>> Connect between host and NAS (iSCSI) with GbE cable directly. > >>> Mounted with options relatime, spase_cache, compress=lzo. > >>> clone with btrfs send/receive. Linux 4.14. > >>> -> Crashed at transfarred 2.13TB > >>> > >> > > > > > -- MASAKI haruka <y...@reasonset.net> -- 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