root@motsugo:/var/log# tail -f /var/log/kern.log Sep 5 22:06:23 motsugo kernel: [16759166.111673] ata1: SError: { PHYRdyChg DevExch } Sep 5 22:06:23 motsugo kernel: [16759166.111705] ata1: hard resetting link Sep 5 22:06:23 motsugo kernel: [16759166.831245] ata1: SATA link down (SStatus 0 SControl 300) Sep 5 22:06:23 motsugo kernel: [16759166.831256] ata1: EH complete Sep 5 22:06:23 motsugo kernel: [16759166.831269] ata1.00: detaching (SCSI 0:0:0:0) Sep 5 22:06:23 motsugo kernel: [16759166.834140] sd 0:0:0:0: [sda] Synchronizing SCSI cache Sep 5 22:06:23 motsugo kernel: [16759166.834182] sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK Sep 5 22:06:23 motsugo kernel: [16759166.834187] sd 0:0:0:0: [sda] Stopping disk Sep 5 22:06:23 motsugo kernel: [16759166.834200] sd 0:0:0:0: [sda] START_STOP FAILED Sep 5 22:06:23 motsugo kernel: [16759166.834202] sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK Sep 5 22:08:54 motsugo kernel: [16759317.250330] ata1: exception Emask 0x10 SAct 0x0 SErr 0x4050002 action 0xe frozen Sep 5 22:08:54 motsugo kernel: [16759317.250377] ata1: irq_stat 0x00400040, connection status changed Sep 5 22:08:54 motsugo kernel: [16759317.250406] ata1: SError: { RecovComm PHYRdyChg CommWake DevExch } Sep 5 22:08:54 motsugo kernel: [16759317.250441] ata1: hard resetting link Sep 5 22:08:55 motsugo kernel: [16759317.969984] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Sep 5 22:08:55 motsugo kernel: [16759318.560019] ata1.00: ATA-8: OCZ-VERTEX2, 1.27, max UDMA/133 Sep 5 22:08:55 motsugo kernel: [16759318.560024] ata1.00: 234441648 sectors, multi 1: LBA48 NCQ (depth 31/32), AA Sep 5 22:08:55 motsugo kernel: [16759318.631611] ata1.00: configured for UDMA/133 Sep 5 22:08:55 motsugo kernel: [16759318.631621] ata1: EH complete Sep 5 22:08:55 motsugo kernel: [16759318.631752] scsi 0:0:0:0: Direct-Access ATA OCZ-VERTEX2 1.27 PQ: 0 ANSI: 5 Sep 5 22:08:55 motsugo kernel: [16759318.632304] sd 0:0:0:0: Attached scsi generic sg0 type 0 Sep 5 22:08:55 motsugo kernel: [16759318.632307] sd 0:0:0:0: [sdi] 234441648 512-byte logical blocks: (120 GB/111 GiB) Sep 5 22:08:55 motsugo kernel: [16759318.632395] sd 0:0:0:0: [sdi] Write Protect is off Sep 5 22:08:55 motsugo kernel: [16759318.632399] sd 0:0:0:0: [sdi] Mode Sense: 00 3a 00 00 Sep 5 22:08:55 motsugo kernel: [16759318.632430] sd 0:0:0:0: [sdi] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Sep 5 22:08:55 motsugo kernel: [16759318.633184] sdi: sdi1 Sep 5 22:08:55 motsugo kernel: [16759318.633491] sd 0:0:0:0: [sdi] Attached SCSI disk ^C root@motsugo:/var/log# fdisk -l /dev/sdi Disk /dev/sdi: 120.0 GB, 120034123776 bytes 81 heads, 63 sectors/track, 45941 cylinders, total 234441648 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000291a1 Device Boot Start End Blocks Id System /dev/sdi1 * 2048 234441647 117219800 fd Linux raid autodetect root@motsugo:/var/log# smartctl -a /dev/sdi smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-4-amd64] (local build) Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Model Family: SandForce Driven SSDs Device Model: OCZ-VERTEX2 Serial Number: OCZ-10O78Z46ES6Z8177 LU WWN Device Id: 5 e83a97 fead4d449 Firmware Version: 1.27 User Capacity: 120,034,123,776 bytes [120 GB] Sector Size: 512 bytes logical/physical Device is: In smartctl database [for details use: -P show] ATA Version is: 8 ATA Standard is: ATA-8-ACS revision 6 Local Time is: Fri Sep 5 22:09:48 2014 WST SMART support is: Available - device has SMART capability. SMART support is: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED General SMART Values: Offline data collection status: (0x00) Offline data collection activity was never started. Auto Offline Data Collection: Disabled. Self-test execution status: ( 0) The previous self-test routine completed without error or no self-test has ever been run. Total time to complete Offline data collection: ( 0) seconds. Offline data collection capabilities: (0x7f) SMART execute Offline immediate. Auto Offline data collection on/off support. Abort Offline collection upon new command. Offline surface scan supported. Self-test supported. Conveyance Self-test supported. Selective Self-test supported. SMART capabilities: (0x0003) Saves SMART data before entering power-saving mode. Supports SMART auto save timer. Error logging capability: (0x01) Error logging supported. General Purpose Logging supported. Short self-test routine recommended polling time: ( 1) minutes. Extended self-test routine recommended polling time: ( 48) minutes. Conveyance self-test routine recommended polling time: ( 2) minutes. SCT capabilities: (0x003d) SCT Status supported. SCT Error Recovery Control supported. SCT Feature Control supported. SCT Data Table supported. SMART Attributes Data Structure revision number: 10 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 120 120 050 Pre-fail Always - 0/0 5 Retired_Block_Count 0x0033 100 100 003 Pre-fail Always - 0 9 Power_On_Hours_and_Msec 0x0032 100 100 000 Old_age Always - 31432h+05m+50.310s 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 45 171 Program_Fail_Count 0x0032 000 000 000 Old_age Always - 0 172 Erase_Fail_Count 0x0032 000 000 000 Old_age Always - 0 174 Unexpect_Power_Loss_Ct 0x0030 000 000 000 Old_age Offline - 28 177 Wear_Range_Delta 0x0000 000 000 000 Old_age Offline - 0 181 Program_Fail_Count 0x0032 000 000 000 Old_age Always - 0 182 Erase_Fail_Count 0x0032 000 000 000 Old_age Always - 0 187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0 194 Temperature_Celsius 0x0022 030 129 000 Old_age Always - 30 (Min/Max 30/30) 195 ECC_Uncorr_Error_Count 0x001c 120 120 000 Old_age Offline - 0/0 196 Reallocated_Event_Count 0x0033 100 100 000 Pre-fail Always - 0 231 SSD_Life_Left 0x0013 100 100 010 Pre-fail Always - 0 233 SandForce_Internal 0x0000 000 000 000 Old_age Offline - 3392 234 SandForce_Internal 0x0032 000 000 000 Old_age Always - 3456 241 Lifetime_Writes_GiB 0x0032 000 000 000 Old_age Always - 3456 242 Lifetime_Reads_GiB 0x0032 000 000 000 Old_age Always - 13184 SMART Error Log not supported SMART Self-test Log not supported SMART Selective self-test log data structure revision number 1 SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS 1 0 0 Not_testing 2 0 0 Not_testing 3 0 0 Not_testing 4 0 0 Not_testing 5 0 0 Not_testing Selective self-test flags (0x0): After scanning selected spans, do NOT read-scan remainder of disk. If Selective self-test is pending on power-up, resume after 0 minute delay.