May 9, 201214 yr Hello, I've experienced some error counts in a drive and I decided today to change a pair of sata cables (one of the drive giving errors and one from the other longer cable. I've started a parity check and I'm reading some errors, could someone help me to know what the errors are and how to solve them? Thanks My system: unRAID Server Pro version: 5.0-beta14 Asus E35M1-MPro, 4GB DDR3 Kingston Hyper-X, 6 drives in MB + 2 drives in adaptec 1430 Drives: Device Identification Temp. Size Free Reads Writes Errors parity WDC_WD20EARX-00PASB0_WD-WCAZA8431017 (hdb) 1953514552 32°C 2 TB - 2374244 57 128 disk1 WDC_WD15EARS-00Z5B1_WD-WMAVU2191182 (sdb) 1465138552 26°C 1.5 TB 257.69 GB 6148253 14 467 disk2 WDC_WD15EADS-00R6B0_WD-WCAVY0249852 (sdc) 1465138552 29°C 1.5 TB 330.79 GB 10125648 10 0 disk3 WDC_WD20EARS-00MVWB0_WD-WMAZA0939580 (sdf) 1953514552 26°C 2 TB 39.44 GB 9268653 10 0 disk4 WDC_WD20EARS-00MVWB0_WD-WCAZA5876707 (sdg) 1953514552 26°C 2 TB 80.34 GB 9193464 10 0 disk5 WDC_WD20EARS-00MVWB0_WD-WMAZA0938029 (sdd) 1953514552 26°C 2 TB 25.08 GB 9529208 11 0 disk6 WDC_WD20EARS-00MVWB0_WD-WCAZA5630745 (sde) 1953514552 26°C 2 TB 210.37 GB 9385182 10 0 cache WDC_WD20EARS-00MVWB0_WD-WCAZA5882289 (hda) 1953514552 28°C 2 TB 31.5 GB 66 11 0 flash USB_DISK - 2.03 GB 1.86 GB 142 15 0 syslogparitycheck.zip
May 9, 201214 yr Media errors are not caused by SATA cables. They are un-readable sectors on disks. Your changing of cables probably had no effect.
May 9, 201214 yr Author root@Tower:~# smartctl -a -d ata /dev/sdb smartctl 5.40 2010-10-16 r3189 [i486-slackware-linux-gnu] (local build) Copyright © 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Model Family: Western Digital Caviar Green (Adv. Format) family Device Model: WDC WD15EARS-00Z5B1 Serial Number: WD-WMAVU2191182 Firmware Version: 80.00A80 User Capacity: 1,500,301,910,016 bytes Device is: In smartctl database [for details use: -P show] ATA Version is: 8 ATA Standard is: Exact ATA specification draft version not indicated Local Time is: Thu May 10 01:44:56 2012 CEST 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: (0x84) Offline data collection activity was suspended by an interrupting command from host. Auto Offline Data Collection: Enabled. 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: (31800) seconds. Offline data collection capabilities: (0x7b) SMART execute Offline immediate. Auto Offline data collection on/off supp ort. Suspend 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: ( 2) minutes. Extended self-test routine recommended polling time: ( 255) minutes. Conveyance self-test routine recommended polling time: ( 5) minutes. SCT capabilities: (0x3031) SCT Status supported. SCT Feature Control supported. SCT Data Table supported. 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 0x002f 198 198 051 Pre-fail Always - 15566 3 Spin_Up_Time 0x0027 179 177 021 Pre-fail Always - 6016 4 Start_Stop_Count 0x0032 097 097 000 Old_age Always - 3271 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0 9 Power_On_Hours 0x0032 083 083 000 Old_age Always - 12618 10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0 12 Power_Cycle_Count 0x0032 099 099 000 Old_age Always - 1680 192 Power-Off_Retract_Count 0x0032 198 198 000 Old_age Always - 1555 193 Load_Cycle_Count 0x0032 177 177 000 Old_age Always - 70131 194 Temperature_Celsius 0x0022 124 109 000 Old_age Always - 26 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 195 195 000 Old_age Always - 1420 198 Offline_Uncorrectable 0x0030 195 195 000 Old_age Offline - 1436 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 19 200 Multi_Zone_Error_Rate 0x0008 152 152 000 Old_age Offline - 9714 SMART Error Log Version: 1 No Errors Logged SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA _of_first_error # 1 Short offline Interrupted (host reset) 50% 9034 - # 2 Short offline Completed without error 00% 9034 - 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. root@Tower:~# smartctl -a -d ata /dev/hdb smartctl 5.40 2010-10-16 r3189 [i486-slackware-linux-gnu] (local build) Copyright © 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Device Model: WDC WD20EARX-00PASB0 Serial Number: WD-WCAZA8431017 Firmware Version: 51.0AB51 User Capacity: 2,000,398,934,016 bytes Device is: Not in smartctl database [for details use: -P showall] ATA Version is: 8 ATA Standard is: Exact ATA specification draft version not indicated Local Time is: Thu May 10 01:46:36 2012 CEST 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: (0x82) Offline data collection activity was completed without error. Auto Offline Data Collection: Enabled. 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: (37680) seconds. Offline data collection capabilities: (0x7b) SMART execute Offline immediate. Auto Offline data collection on/off supp ort. Suspend 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: ( 2) minutes. Extended self-test routine recommended polling time: ( 255) minutes. Conveyance self-test routine recommended polling time: ( 5) minutes. SCT capabilities: (0x3035) SCT Status supported. SCT Feature Control supported. SCT Data Table supported. 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 0x002f 200 200 051 Pre-fail Always - 0 3 Spin_Up_Time 0x0027 162 160 021 Pre-fail Always - 6900 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 140 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 100 253 000 Old_age Always - 0 9 Power_On_Hours 0x0032 097 097 000 Old_age Always - 2620 10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 253 000 Old_age Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 31 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 18 193 Load_Cycle_Count 0x0032 198 198 000 Old_age Always - 7026 194 Temperature_Celsius 0x0022 118 113 000 Old_age Always - 32 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 234766 200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 27 SMART Error Log Version: 1 No Errors Logged SMART Self-test log structure revision number 1 No self-tests have been logged. [To run self-tests, use: smartctl -t] 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.
May 10, 201214 yr Parity drive looks like a bad SATA or power cable. Disk1 looks like it's on it's way out. They may both be dying though, Disk1 definitely is dying. Get you data off of it since you aren't sure what is causing those CRC errors on the parity disk.
May 15, 201214 yr Author New drive received, ecxchanged and raid reconstructed. All working again, now without failures, waiting for a new enclosure to ventilate 4 of the disks. I only noticed one freeze of the system after reconstruction and full parity check without corrections, no errors, then started copying some files from 1 drive to other (both of them in the unraid server but the copy managed from windows explorer so I supose the issue had something to do with the windows machine lan connection). After restart 1 prity check write enabled and corrected 159 parity errors. No more errors on the drives. Thanks.
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