Вот такие ошибки высыпал сегодня ночью SSD диск на сервере. Ubuntu 16.04 x64.
Apr 22 01:46:40 ubuntu kernel: [394377.499677] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
Apr 22 01:46:40 ubuntu kernel: [394377.499729] ata2.00: failed command: FLUSH CACHE
Apr 22 01:46:40 ubuntu kernel: [394377.499765] ata2.00: cmd e7/00:00:00:00:00/00:00:00:00:00/a0 tag 8
Apr 22 01:46:40 ubuntu kernel: [394377.499765] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Apr 22 01:46:40 ubuntu kernel: [394377.499849] ata2.00: status: { DRDY }
Apr 22 01:46:40 ubuntu kernel: [394377.499877] ata2: hard resetting link
Apr 22 01:46:45 ubuntu kernel: [394382.863877] ata2: link is slow to respond, please be patient (ready=0)
Apr 22 01:46:50 ubuntu kernel: [394387.512062] ata2: COMRESET failed (errno=-16)
Apr 22 01:46:50 ubuntu kernel: [394387.512098] ata2: hard resetting link
Apr 22 01:46:55 ubuntu kernel: [394392.872293] ata2: link is slow to respond, please be patient (ready=0)
Apr 22 01:47:00 ubuntu kernel: [394397.520497] ata2: COMRESET failed (errno=-16)
Apr 22 01:47:00 ubuntu kernel: [394397.520531] ata2: hard resetting link
Apr 22 01:47:05 ubuntu kernel: [394402.880715] ata2: link is slow to respond, please be patient (ready=0)
Apr 22 01:47:35 ubuntu kernel: [394432.565969] ata2: COMRESET failed (errno=-16)
Apr 22 01:47:35 ubuntu kernel: [394432.566006] ata2: limiting SATA link speed to 3.0 Gbps
Apr 22 01:47:35 ubuntu kernel: [394432.566008] ata2: hard resetting link
Apr 22 01:47:40 ubuntu kernel: [394437.590181] ata2: COMRESET failed (errno=-16)
Apr 22 01:47:40 ubuntu kernel: [394437.590218] ata2: reset failed, giving up
Apr 22 01:47:40 ubuntu kernel: [394437.590246] ata2.00: disabled
Apr 22 01:47:40 ubuntu kernel: [394437.590250] ata2.00: device reported invalid CHS sector 0
Apr 22 01:47:40 ubuntu kernel: [394437.590259] ata2: EH complete
Apr 22 01:47:40 ubuntu kernel: [394437.590279] sd 1:0:0:0: [sdb] tag#9 FAILED Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Apr 22 01:47:40 ubuntu kernel: [394437.590284] sd 1:0:0:0: [sdb] tag#9 CDB: Synchronize Cache(10) 35 00 00 00 00 00 00 00 00 00
Apr 22 01:47:40 ubuntu kernel: [394437.590287] blk_update_request: I/O error, dev sdb, sector 113739888
Apr 22 01:47:40 ubuntu kernel: [394437.590349] sd 1:0:0:0: [sdb] tag#10 FAILED Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Apr 22 01:47:40 ubuntu kernel: [394437.590352] sd 1:0:0:0: [sdb] tag#10 CDB: Write(10) 2a 00 00 1d 9b 00 00 00 10 00
Apr 22 01:47:40 ubuntu kernel: [394437.590354] blk_update_request: I/O error, dev sdb, sector 1940224
Apr 22 01:47:40 ubuntu kernel: [394437.590362] Aborting journal on device sdb1-8.
Apr 22 01:47:40 ubuntu kernel: [394437.590393] sd 1:0:0:0: [sdb] tag#11 FAILED Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Apr 22 01:47:40 ubuntu kernel: [394437.590396] sd 1:0:0:0: [sdb] tag#11 CDB: Write(10) 2a 00 06 c4 08 00 00 00 08 00
Apr 22 01:47:40 ubuntu kernel: [394437.590398] blk_update_request: I/O error, dev sdb, sector 113510400
Apr 22 01:47:40 ubuntu kernel: [394437.590400] blk_update_request: I/O error, dev sdb, sector 113510400
Apr 22 01:47:40 ubuntu kernel: [394437.590402] Buffer I/O error on dev sdb1, logical block 14188544, lost sync page write
Apr 22 01:47:40 ubuntu kernel: [394437.590436] JBD2: Error -5 detected when updating journal superblock for sdb1-8.
Apr 22 01:47:40 ubuntu kernel: [394437.590619] EXT4-fs warning (device sdb1): ext4_end_bio:329: I/O error -5 writing to inode 14 (offset 0 size 0 starting block 242530)
Apr 22 01:47:40 ubuntu kernel: [394437.590622] Buffer I/O error on device sdb1, logical block 242272
Apr 22 01:47:40 ubuntu kernel: [394437.590667] Buffer I/O error on device sdb1, logical block 242273
Apr 22 01:47:40 ubuntu kernel: [394437.826603] sd 1:0:0:0: [sdb] tag#12 FAILED Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Apr 22 01:47:40 ubuntu kernel: [394437.826609] sd 1:0:0:0: [sdb] tag#12 CDB: Write(10) 2a 00 00 00 08 00 00 00 08 00
Apr 22 01:47:40 ubuntu kernel: [394437.826612] blk_update_request: I/O error, dev sdb, sector 2048
Apr 22 01:47:40 ubuntu kernel: [394437.826654] blk_update_request: I/O error, dev sdb, sector 2048
Apr 22 01:47:40 ubuntu kernel: [394437.826694] Buffer I/O error on dev sdb1, logical block 0, lost sync page write
Apr 22 01:47:40 ubuntu kernel: [394437.826747] EXT4-fs error (device sdb1): ext4_journal_check_start:56: Detected aborted journal
Apr 22 01:47:40 ubuntu kernel: [394437.826807] EXT4-fs (sdb1): Remounting filesystem read-only
Apr 22 01:47:40 ubuntu kernel: [394437.826844] EXT4-fs (sdb1): previous I/O error to superblock detected
Apr 22 01:47:40 ubuntu kernel: [394437.826896] sd 1:0:0:0: [sdb] tag#13 FAILED Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Apr 22 01:47:40 ubuntu kernel: [394437.826899] sd 1:0:0:0: [sdb] tag#13 CDB: Write(10) 2a 00 00 00 08 00 00 00 08 00
Apr 22 01:47:40 ubuntu kernel: [394437.826901] blk_update_request: I/O error, dev sdb, sector 2048
Apr 22 01:47:40 ubuntu kernel: [394437.826940] blk_update_request: I/O error, dev sdb, sector 2048
Apr 22 01:47:40 ubuntu kernel: [394437.826978] Buffer I/O error on dev sdb1, logical block 0, lost sync page write
Что это может значить? диск работает всего 1.5 месяца чисто как хранилище БД т.е. система на отдельном HDD.
=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000a 100 100 000 Old_age Always - 0
9 Power_On_Hours 0x0012 100 100 000 Old_age Always - 1036
12 Power_Cycle_Count 0x0012 100 100 000 Old_age Always - 25
168 Unknown_Attribute 0x0012 100 100 000 Old_age Always - 0
170 Unknown_Attribute 0x0013 100 100 010 Pre-fail Always - 26
173 Unknown_Attribute 0x0000 100 100 000 Old_age Offline - 20054060
192 Power-Off_Retract_Count 0x0012 100 100 000 Old_age Always - 1
194 Temperature_Celsius 0x0023 070 070 000 Pre-fail Always - 30
196 Reallocated_Event_Count 0x0000 100 100 000 Old_age Offline - 0
218 Unknown_Attribute 0x0000 100 100 000 Old_age Offline - 0
241 Total_LBAs_Written 0x0012 100 100 000 Old_age Always - 1758395
[ 1.047354] sd 1:0:0:0: [sdb] 234441648 512-byte logical blocks: (120 GB/112 GiB)
[ 1.047572] sd 1:0:0:0: [sdb] Write Protect is off
[ 1.048570] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 1.048616] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 1.050145] sdb: sdb1
[ 1.051308] sd 1:0:0:0: [sdb] Attached SCSI disk
[ 9.552678] EXT4-fs (sdb1): recovery complete
[ 9.553180] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)