This is what I get when I try to mount a disk I need to get some info off of:
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Nov 13 18:34:09 ffs1 kernel: ata2: SATA max UDMA/133 abar m2048@0xf7d36000 port 0xf7d36180 irq 27
Nov 13 18:34:09 ffs1 kernel: ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Nov 13 18:34:09 ffs1 kernel: ata2.00: NCQ Send/Recv Log not supported
Nov 13 18:34:09 ffs1 kernel: ata2.00: ATA-9: ST3000VN000-1HJ166, W6A0TZ31, SC60, max UDMA/133
Nov 13 18:34:09 ffs1 kernel: ata2.00: 5860533168 sectors, multi 0: LBA48 NCQ (depth 32), AA
Nov 13 18:34:09 ffs1 kernel: ata2.00: NCQ Send/Recv Log not supported
Nov 13 18:34:09 ffs1 kernel: ata2.00: configured for UDMA/133
Nov 13 18:34:09 ffs1 kernel: sd 2:0:0:0: [sdb] 5860533168 512-byte logical blocks: (3.00 TB/2.73 TiB)
Nov 13 18:34:09 ffs1 kernel: sd 2:0:0:0: [sdb] 4096-byte physical blocks
Nov 13 18:34:09 ffs1 kernel: sd 2:0:0:0: [sdb] Write Protect is off
Nov 13 18:34:09 ffs1 kernel: sd 2:0:0:0: [sdb] Mode Sense: 00 3a 00 00
Nov 13 18:34:09 ffs1 kernel: sd 2:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Nov 13 18:34:09 ffs1 kernel: sdb: sdb1
Nov 13 18:34:09 ffs1 kernel: sd 2:0:0:0: [sdb] Attached SCSI disk
Nov 13 18:34:38 ffs1 emhttpd: ST3000VN000-1HJ166_W6A0TZ31 (sdb) 512 5860533168
Nov 13 18:34:38 ffs1 emhttpd: read SMART /dev/sdb
Nov 13 18:36:41 ffs1 unassigned.devices: Disk with ID 'ST3000VN000-1HJ166_W6A0TZ31 (sdb)' is not set to auto mount.
Nov 13 18:36:50 ffs1 emhttpd: shcmd (154): /usr/sbin/cryptsetup luksOpen /dev/sdb1 W6A0TZ31
Nov 13 18:37:19 ffs1 kernel: ata2.00: READ LOG DMA EXT failed, trying PIO
Nov 13 18:37:19 ffs1 kernel: ata2: failed to read log page 10h (errno=-5)
Nov 13 18:37:19 ffs1 kernel: ata2.00: exception Emask 0x1 SAct 0xf SErr 0x0 action 0x0
Nov 13 18:37:19 ffs1 kernel: ata2.00: irq_stat 0x40000001
Nov 13 18:37:19 ffs1 kernel: ata2.00: failed command: WRITE FPDMA QUEUED
Nov 13 18:37:19 ffs1 kernel: ata2.00: cmd 61/02:00:41:80:00/00:00:00:00:00/40 tag 0 ncq dma 1024 out
Nov 13 18:37:19 ffs1 kernel: ata2.00: status: { DRDY DF ERR }
Nov 13 18:37:19 ffs1 kernel: ata2.00: error: { ABRT }
Nov 13 18:37:19 ffs1 kernel: ata2.00: failed command: WRITE FPDMA QUEUED
Nov 13 18:37:19 ffs1 kernel: ata2.00: cmd 61/20:08:48:80:00/00:00:00:00:00/40 tag 1 ncq dma 16384 out
Nov 13 18:37:19 ffs1 kernel: ata2.00: status: { DRDY DF ERR }
Nov 13 18:37:19 ffs1 kernel: ata2.00: error: { ABRT }
Nov 13 18:37:19 ffs1 kernel: ata2.00: failed command: WRITE FPDMA QUEUED
Nov 13 18:37:19 ffs1 kernel: ata2.00: cmd 61/20:10:c0:40:51/00:00:22:00:00/40 tag 2 ncq dma 16384 out
Nov 13 18:37:19 ffs1 kernel: ata2.00: status: { DRDY DF ERR }
Nov 13 18:37:19 ffs1 kernel: ata2.00: error: { ABRT }
Nov 13 18:37:19 ffs1 kernel: ata2.00: failed command: WRITE FPDMA QUEUED
Nov 13 18:37:19 ffs1 kernel: ata2.00: cmd 61/20:18:60:2a:6b/00:00:22:00:00/40 tag 3 ncq dma 16384 out
Nov 13 18:37:19 ffs1 kernel: ata2.00: status: { DRDY DF ERR }
Nov 13 18:37:19 ffs1 kernel: ata2.00: error: { ABRT }
Nov 13 18:37:19 ffs1 kernel: ata2.00: both IDENTIFYs aborted, assuming NODEV
Nov 13 18:37:19 ffs1 kernel: ata2.00: revalidation failed (errno=-2)
Nov 13 18:37:19 ffs1 kernel: ata2: hard resetting link
Nov 13 18:37:25 ffs1 kernel: ata2: link is slow to respond, please be patient (ready=0)
Nov 13 18:37:27 ffs1 kernel: ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Nov 13 18:37:27 ffs1 kernel: ata2.00: both IDENTIFYs aborted, assuming NODEV
Nov 13 18:37:27 ffs1 kernel: ata2.00: revalidation failed (errno=-2)
Nov 13 18:37:32 ffs1 kernel: ata2: hard resetting link
Nov 13 18:37:38 ffs1 kernel: ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Nov 13 18:37:38 ffs1 kernel: ata2.00: both IDENTIFYs aborted, assuming NODEV
Nov 13 18:37:38 ffs1 kernel: ata2.00: revalidation failed (errno=-2)
Nov 13 18:37:38 ffs1 kernel: ata2.00: disabled
Nov 13 18:37:38 ffs1 kernel: ata2: EH complete
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#15 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00 cmd_age=18s
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#15 CDB: opcode=0x8a 8a 00 00 00 00 00 22 6b 2a 60 00 00 00 20 00 00
Nov 13 18:37:38 ffs1 kernel: blk_update_request: I/O error, dev sdb, sector 577448544 op 0x1:(WRITE) flags 0x1000 phys_seg 4 prio class 0
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#16 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00 cmd_age=18s
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#16 CDB: opcode=0x8a 8a 00 00 00 00 00 22 51 40 c0 00 00 00 20 00 00
Nov 13 18:37:38 ffs1 kernel: blk_update_request: I/O error, dev sdb, sector 575750336 op 0x1:(WRITE) flags 0x1000 phys_seg 4 prio class 0
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#17 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00 cmd_age=18s
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#17 CDB: opcode=0x8a 8a 00 00 00 00 00 00 00 80 48 00 00 00 20 00 00
Nov 13 18:37:38 ffs1 kernel: blk_update_request: I/O error, dev sdb, sector 32840 op 0x1:(WRITE) flags 0x1000 phys_seg 4 prio class 0
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#18 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00 cmd_age=18s
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#18 CDB: opcode=0x8a 8a 00 00 00 00 00 00 00 80 41 00 00 00 02 00 00
Nov 13 18:37:38 ffs1 kernel: blk_update_request: I/O error, dev sdb, sector 32833 op 0x1:(WRITE) flags 0x1000 phys_seg 2 prio class 0
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#19 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00 cmd_age=0s
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#19 CDB: opcode=0x35 35 00 00 00 00 00 00 00 00 00
Nov 13 18:37:38 ffs1 kernel: blk_update_request: I/O error, dev sdb, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#20 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00 cmd_age=0s
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#20 CDB: opcode=0x88 88 00 00 00 00 00 00 00 00 40 00 00 00 01 00 00
Nov 13 18:37:38 ffs1 kernel: blk_update_request: I/O error, dev sdb, sector 64 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#21 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00 cmd_age=0s
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#21 CDB: opcode=0x88 88 00 00 00 00 00 00 00 00 40 00 00 00 01 00 00
Nov 13 18:37:38 ffs1 kernel: blk_update_request: I/O error, dev sdb, sector 64 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#22 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00 cmd_age=0s
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#22 CDB: opcode=0x88 88 00 00 00 00 00 00 00 00 40 00 00 00 01 00 00
Nov 13 18:37:38 ffs1 kernel: blk_update_request: I/O error, dev sdb, sector 64 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#23 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00 cmd_age=0s
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#23 CDB: opcode=0x88 88 00 00 00 00 00 00 00 00 50 00 00 00 08 00 00
Nov 13 18:37:38 ffs1 kernel: blk_update_request: I/O error, dev sdb, sector 80 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#24 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00 cmd_age=0s
Nov 13 18:37:38 ffs1 kernel: sd 2:0:0:0: [sdb] tag#24 CDB: opcode=0x88 88 00 00 00 00 00 00 00 00 50 00 00 00 01 00 00
Nov 13 18:37:38 ffs1 kernel: blk_update_request: I/O error, dev sdb, sector 80 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 16, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 17, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 18, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 19, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 20, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 21, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 22, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 23, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 16, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 17, async page read
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syslog shows this at the end of the attempt:
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Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 20, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 21, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 22, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 23, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 16, async page read
Nov 13 18:37:38 ffs1 kernel: Buffer I/O error on dev sdb1, logical block 17, async page read
Nov 13 18:37:38 ffs1 unassigned.devices: Mount of 'W6A0TZ31' failed: 'mount: /mnt/disks/W6A0TZ31: can't read superblock on /dev/mapper/W6A0TZ31. '
Nov 13 18:37:38 ffs1 unassigned.devices: Partition 'W6A0TZ31' cannot be mounted.
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I've read about ddrescue, but am uncertain how to proceed. This is a member disk out of an encrypted btrfs array. Can ddrescue still be used to make an attempt at recovery?
Thanks.