October 17, 201114 yr I have a drive that for 4 times gave me read/write errors (according to the tower homepage) and was disabled. Rebuilt the drive 4 times (on the same disk). I attached below the short smart report, can anyone help me in identify if the drive has issues? according to the report below the drive passes the smart report. Statistics for /dev/sdk WDC_WD20EADS-00S_WD-WCAVY1112779 smartctl -a -d ata /dev/sdk smartctl version 5.38 [i486-slackware-linux-gnu] Copyright © 2002-8 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF INFORMATION SECTION === Device Model: WDC WD20EADS-00S2B0 Serial Number: WD-WCAxxxxxxxxxxxx Firmware Version: 04.05G04 User Capacity: 2,000,397,852,160 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: Mon Oct 17 19:16:23 2011 Local time zone must be set--see zic m 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: (42000) seconds. Offline data collection capabilities: (0x7b) SMART execute Offline immediate. Auto Offline data collection on/off support. 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: (0x303f) 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 253 144 021 Pre-fail Always - 3325 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 920 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 081 081 000 Old_age Always - 13875 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 - 131 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 76 193 Load_Cycle_Count 0x0032 193 193 000 Old_age Always - 22716 194 Temperature_Celsius 0x0022 131 111 000 Old_age Always - 21 196 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 - 0 200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 0 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 Completed without error 00% 13861 - 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.
October 17, 201114 yr The SMART log looks fine to me, maybe you are just having problems with the SATA or power cables to that drive? Regards, Stephen
October 18, 201114 yr That drive is in better health then many of mine. I would check all of your cabling sata connectors and power. also it is possible you just don't have enough power left in your PSU to keep up with the systems demands, especially hard drives. if that is case, you actually end up loosing data by writing bad data. You might want to post your build specs.
October 19, 201114 yr I had the exact same problem not too long ago. (ie, days) I have changed the SATA cable and the port the drive connects too. So far so good
October 19, 201114 yr Author I think that issues happen after I add drives or open the case, so I tend to agree this might be related to either the sata cable not sitting properly, but I would like to exclude power issues. I have 14 drives in my unraid system, 4 of which are 2TB, the others are all 500GB. I am replacing 500GB with 2TB as I run out of space. It has been a while since I upgraded my power supply, is there any way I can find out its specs without opening the case again? A sysinfo application for unraid? I could not find any info in the syslog about power supply... Thanks for all your help so far!
October 19, 201114 yr Power supplies have no "smart" capabilities to communicate data to the system. You have to pull the cover off and look at it. Peter
October 19, 201114 yr Power supplies have no "smart" capabilities to communicate data to the system. You have to pull the cover off and look at it. Peter Or Google the model number if you know it.
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