From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Mathias_Bur=C3=A9n?= Subject: Re: HDD reports errors while completing RAID6 array check Date: Sat, 11 Jun 2011 10:49:47 +0100 Message-ID: References: <20110611000000.76ca58e7@natsu> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Roman Mamedov Cc: Linux-RAID List-Id: linux-raid.ids On 10 June 2011 19:23, Mathias Bur=C3=A9n wro= te: > On 10 June 2011 19:00, Roman Mamedov wrote: >> On Fri, 10 Jun 2011 18:37:06 +0100 >> Mathias Bur=C3=A9n wrote: >> >>> =C2=A0 9 Power_On_Hours =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A00x0032 =C2= =A0 090 =C2=A0 090 =C2=A0 000 =C2=A0 =C2=A0Old_age >>> Always =C2=A0 =C2=A0 =C2=A0 - =C2=A0 =C2=A0 =C2=A0 7781 >> >> >>> # 1 =C2=A0Extended offline =C2=A0 =C2=A0Completed without error =C2= =A0 =C2=A0 =C2=A0 00% =C2=A0 =C2=A0 =C2=A06827 >>> - # 2 =C2=A0Extended offline =C2=A0 =C2=A0Completed without error =C2= =A0 =C2=A0 =C2=A0 00% >>> 6550 =C2=A0 =C2=A0 =C2=A0 =C2=A0 - # 3 =C2=A0Extended offline =C2=A0= =C2=A0Completed without error >>> 00% =C2=A0 =C2=A0 =C2=A06468 =C2=A0 =C2=A0 =C2=A0 =C2=A0 - # 4 =C2=A0= Extended offline =C2=A0 =C2=A0Completed without >>> error =C2=A0 =C2=A0 =C2=A0 00% =C2=A0 =C2=A0 =C2=A06329 =C2=A0 =C2=A0= =C2=A0 =C2=A0 - # 5 =C2=A0Extended offline =C2=A0 =C2=A0Completed >>> without error =C2=A0 =C2=A0 =C2=A0 00% =C2=A0 =C2=A0 =C2=A06040 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 - # 6 =C2=A0Extended offline >>> Completed without error =C2=A0 =C2=A0 =C2=A0 00% =C2=A0 =C2=A0 =C2=A0= 5584 =C2=A0 =C2=A0 =C2=A0 =C2=A0 - # 7 =C2=A0Extended >>> offline =C2=A0 =C2=A0Completed without error =C2=A0 =C2=A0 =C2=A0 0= 0% =C2=A0 =C2=A0 =C2=A05178 =C2=A0 =C2=A0 =C2=A0 =C2=A0 - # 8 >>> Extended offline =C2=A0 =C2=A0Completed without error =C2=A0 =C2=A0= =C2=A0 00% =C2=A0 =C2=A0 =C2=A04761 =C2=A0 =C2=A0 =C2=A0 =C2=A0 - # >>> 9 =C2=A0Short offline =C2=A0 =C2=A0 =C2=A0 Completed without error = =C2=A0 =C2=A0 =C2=A0 00% =C2=A0 =C2=A0 =C2=A02285 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 - >>> #10 =C2=A0Extended offline =C2=A0 =C2=A0Completed without error =C2= =A0 =C2=A0 =C2=A0 00% =C2=A0 =C2=A0 =C2=A01514 >> >> I suggest that you do another "smartctl -t long" on it, the latest o= ne was >> done almost 1000 hours ago which is also much longer than the period= between >> previous tests. Freezes on reads could be a symptom of a bad (unread= able, or >> very slowly readable - which is worse) sector, perhaps it could be d= etected by >> the SMART test. Or also do a full read of the drive directly (not th= rough the >> RAID) e.g. with "badblocks" and see if you get any I/O errors that w= ay. >> >> -- >> With respect, >> Roman >> > > Thanks for the suggestions, I'll start the long selftest now. > > /M > Things look OK after the test: $ sudo smartctl -a /dev/sdd Password: smartctl 5.40 2010-10-16 r3189 [x86_64-unknown-linux-gnu] (local build) Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.= net =3D=3D=3D START OF INFORMATION SECTION =3D=3D=3D Model Family: Western Digital Caviar Green (Adv. Format) family Device Model: WDC WD20EARS-00MVWB0 Serial Number: WD-WMAZ20188479 =46irmware Version: 50.0AB50 User Capacity: 2,000,398,934,016 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: Sat Jun 11 10:48:05 2011 IST SMART support is: Available - device has SMART capability. SMART support is: Enabled =3D=3D=3D START OF READ SMART DATA SECTION =3D=3D=3D SMART overall-health self-assessment test result: PASSED General SMART Values: Offline data collection status: (0x84) Offline data collection activit= y was suspended by an interrupting command from host. Auto Offline Data Collection: E= nabled. Self-test execution status: ( 0) The previous self-test routine = completed without error or no self-test h= as ever been run. Total time to complete Offline data collection: (36000) seconds. Offline data collection capabilities: (0x7b) SMART execute Offline immediate= =2E 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 enterin= g power-saving mode. Supports SMART auto save timer. Error logging capability: (0x01) Error logging supported. General Purpose Logging support= ed. 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 176 162 021 Pre-fail Always - 6183 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 59 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 090 090 000 Old_age Always - 7797 10 Spin_Retry_Count 0x0032 100 253 000 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 - 53 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 32 193 Load_Cycle_Count 0x0032 162 162 000 Old_age Always - 114863 194 Temperature_Celsius 0x0022 109 102 000 Old_age Always - 41 196 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 Extended offline Completed without error 00% 7788 = - # 2 Extended offline Completed without error 00% 6827 = - # 3 Extended offline Completed without error 00% 6550 = - # 4 Extended offline Completed without error 00% 6468 = - # 5 Extended offline Completed without error 00% 6329 = - # 6 Extended offline Completed without error 00% 6040 = - # 7 Extended offline Completed without error 00% 5584 = - # 8 Extended offline Completed without error 00% 5178 = - # 9 Extended offline Completed without error 00% 4761 = - #10 Short offline Completed without error 00% 2285 = - #11 Extended offline Completed without error 00% 1514 = - 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 de= lay. I initiated a self test on each of the other HDDs as well. It's time to run badblocks then! /M -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html