Hi,
I used the script on an old drive...
First cycle seemed okay, no "pending sectors". Started the next one and got ONE pending sector...
No I've done 5 cycles in a row:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == invoked as: ./preclear_disk.sh -c 5 /dev/sde
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == WDC WD20EARS-00MVWB0 WD-WCAZA3274588
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == Disk /dev/sde has been successfully precleared
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == with a starting sector of 64
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == Ran 5 cycles
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ==
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == Using :Read block size = 8225280 Bytes
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == Last Cycle's Pre Read Time : 8:08:28 (68 MB/s)
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == Last Cycle's Zeroing time : 6:06:48 (90 MB/s)
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == Last Cycle's Post Read Time : 18:04:24 (30 MB/s)
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == Last Cycle's Total Time : 24:12:12
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ==
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == Total Elapsed Time 128:46:02
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ==
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == Disk Start Temperature: 33C
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ==
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == Current Disk Temperature: 35C,
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ==
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ============================================================================
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ** Changed attributes in files: /tmp/smart_start_sde /tmp/smart_finish_sde
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ATTRIBUTE NEW_VAL OLD_VAL FAILURE_THRESHOLD STATUS RAW_VALUE
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Raw_Read_Error_Rate = 198 196 51 ok 1341
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Temperature_Celsius = 115 116 0 ok 35
Nov 26 15:13:03 Server preclear_disk-diff[2177]: No SMART attributes are FAILING_NOW
Nov 26 15:13:03 Server preclear_disk-diff[2177]:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation before the start of the preclear.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation after pre-read in cycle 1 of 5.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation after zero of disk in cycle 1 of 5.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation after post-read in cycle 1 of 5.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation after zero of disk in cycle 2 of 5.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation after post-read in cycle 2 of 5.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation after zero of disk in cycle 3 of 5.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation after post-read in cycle 3 of 5.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation after zero of disk in cycle 4 of 5.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation after post-read in cycle 4 of 5.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors were pending re-allocation after zero of disk in cycle 5 of 5.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors are pending re-allocation at the end of the preclear,
Nov 26 15:13:03 Server preclear_disk-diff[2177]: the number of sectors pending re-allocation did not change.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors had been re-allocated before the start of the preclear.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 0 sectors are re-allocated at the end of the preclear,
Nov 26 15:13:03 Server preclear_disk-diff[2177]: the number of sectors re-allocated did not change.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ============================================================================
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ============================================================================
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ==
Nov 26 15:13:03 Server preclear_disk-diff[2177]: == S.M.A.R.T Initial Report for /dev/sde
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ==
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Disk: /dev/sde
Nov 26 15:13:03 Server preclear_disk-diff[2177]: smartctl 5.40 2010-10-16 r3189 [i486-slackware-linux-gnu] (local build)
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
Nov 26 15:13:03 Server preclear_disk-diff[2177]:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: === START OF INFORMATION SECTION ===
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Model Family: Western Digital Caviar Green (Adv. Format) family
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Device Model: WDC WD20EARS-00MVWB0
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Serial Number: WD-WCAZA3274588
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Firmware Version: 51.0AB51
Nov 26 15:13:03 Server preclear_disk-diff[2177]: User Capacity: 2,000,398,934,016 bytes
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Device is: In smartctl database [for details use: -P show]
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ATA Version is: 8
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ATA Standard is: Exact ATA specification draft version not indicated
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Local Time is: Wed Nov 21 06:26:58 2012 CET
Nov 26 15:13:03 Server preclear_disk-diff[2177]: SMART support is: Available - device has SMART capability.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: SMART support is: Enabled
Nov 26 15:13:03 Server preclear_disk-diff[2177]:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: === START OF READ SMART DATA SECTION ===
Nov 26 15:13:03 Server preclear_disk-diff[2177]: SMART overall-health self-assessment test result: PASSED
Nov 26 15:13:03 Server preclear_disk-diff[2177]:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: General SMART Values:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Offline data collection status: (0x84)^IOffline data collection activity
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^Iwas suspended by an interrupting command from host.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^IAuto Offline Data Collection: Enabled.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Self-test execution status: ( 0)^IThe previous self-test routine completed
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^Iwithout error or no self-test has ever
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^Ibeen run.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Total time to complete Offline
Nov 26 15:13:03 Server preclear_disk-diff[2177]: data collection: ^I^I (37080) seconds.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Offline data collection
Nov 26 15:13:03 Server preclear_disk-diff[2177]: capabilities: ^I^I^I (0x7b) SMART execute Offline immediate.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^IAuto Offline data collection on/off support.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^ISuspend Offline collection upon new
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^Icommand.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^IOffline surface scan supported.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^ISelf-test supported.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^IConveyance Self-test supported.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^ISelective Self-test supported.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: SMART capabilities: (0x0003)^ISaves SMART data before entering
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^Ipower-saving mode.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^ISupports SMART auto save timer.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Error logging capability: (0x01)^IError logging supported.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^IGeneral Purpose Logging supported.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Short self-test routine
Nov 26 15:13:03 Server preclear_disk-diff[2177]: recommended polling time: ^I ( 2) minutes.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Extended self-test routine
Nov 26 15:13:03 Server preclear_disk-diff[2177]: recommended polling time: ^I ( 255) minutes.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Conveyance self-test routine
Nov 26 15:13:03 Server preclear_disk-diff[2177]: recommended polling time: ^I ( 5) minutes.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: SCT capabilities: ^I (0x3035)^ISCT Status supported.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^ISCT Feature Control supported.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ^I^I^I^I^ISCT Data Table supported.
Nov 26 15:13:03 Server preclear_disk-diff[2177]:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: SMART Attributes Data Structure revision number: 16
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Vendor Specific SMART Attributes with Thresholds:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 1 Raw_Read_Error_Rate 0x002f 196 196 051 Pre-fail Always - 607
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 3 Spin_Up_Time 0x0027 253 223 021 Pre-fail Always - 1050
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 428
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 9 Power_On_Hours 0x0032 096 096 000 Old_age Always - 3129
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 422
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 37
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 193 Load_Cycle_Count 0x0032 198 198 000 Old_age Always - 8727
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 194 Temperature_Celsius 0x0022 116 107 000 Old_age Always - 34
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 0
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 200 Multi_Zone_Error_Rate 0x0008 200 184 000 Old_age Offline - 69
Nov 26 15:13:03 Server preclear_disk-diff[2177]:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: SMART Error Log Version: 1
Nov 26 15:13:03 Server preclear_disk-diff[2177]: No Errors Logged
Nov 26 15:13:03 Server preclear_disk-diff[2177]:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: SMART Self-test log structure revision number 1
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
Nov 26 15:13:03 Server preclear_disk-diff[2177]: # 1 Short offline Completed without error 00% 3 -
Nov 26 15:13:03 Server preclear_disk-diff[2177]:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: SMART Selective self-test log data structure revision number 1
Nov 26 15:13:03 Server preclear_disk-diff[2177]: SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 1 0 0 Not_testing
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 2 0 0 Not_testing
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 3 0 0 Not_testing
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 4 0 0 Not_testing
Nov 26 15:13:03 Server preclear_disk-diff[2177]: 5 0 0 Not_testing
Nov 26 15:13:03 Server preclear_disk-diff[2177]: Selective self-test flags (0x0):
Nov 26 15:13:03 Server preclear_disk-diff[2177]: After scanning selected spans, do NOT read-scan remainder of disk.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: If Selective self-test is pending on power-up, resume after 0 minute delay.
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ==
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ============================================================================
Nov 26 15:13:03 Server preclear_disk-diff[2177]:
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ============================================================================
Nov 26 15:13:03 Server preclear_disk-diff[2177]: ==
Everything seems fine now. Am I save to use it?
Thx!