August 22, 201312 yr Hey everyone, Been running my Array with 3 Tb Parity Drive, 2- 2 TB WD Black drives,1- 1 TB Samsung, and Cache drive no problem for a couple of months. Started getting some errors on one of my drives and wanted to know if this is something I need to start looking into replacing? (The main array page is showing 11 errors, drive is still in Green though). If the drive is going bad, does it need replaced with another 2tb drive, or can I replace it with a 3tb drive? Here is the log - Tower login: root Linux 3.9.6p-unRAID. root@Tower:~# smartctl -a /dev/sdd 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 WD2002FAEX-007BA0 Serial Number: WD-WMAY01122349 Firmware Version: 05.01D05 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: Wed Aug 21 15:39:48 2013 PDT 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: (29580) 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: (0x3037) 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 - 1 3 Spin_Up_Time 0x0027 253 253 021 Pre-fail Always - 8766 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 145 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 076 076 000 Old_age Always - 17546 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 100 100 000 Old_age Always - 101 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 72 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 73 194 Temperature_Celsius 0x0022 128 091 000 Old_age Always - 24 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 1 198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 4 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 5 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. Any help would be great!
August 22, 201312 yr 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 1 198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 4 These values would have me concerned. I would keep an eye on them and if they continue to rise replace the drive ASAP. You could replace the drive with a 3TB because your parity drive is 3 TB.
August 22, 201312 yr The parity protection will not work if any drive has pending sectors. The drive must be rebuilt. If you have a spare then use it now and pre-clear the drive with pending sectors. The pending sectors should be zero after the pre-clear and the drive becomes the new spare. If no spare is available then rebuild the drive onto itself: Start the array with the drive un-assigned and then start the array with the drive assigned. The rebuild will begin. After the rebuild the pending sectors should be zero.
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