Date: Thu, 11 Oct 2012 10:41:42 -0400 From: Robert Fitzpatrick <robert@webtent.org> To: FreeBSD <freebsd-questions@freebsd.org> Subject: gmirror degraded Message-ID: <5076DAA6.9070203@webtent.org>
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Just looking for some advice, I had a server lock up that uses gmirror for two RAID-1 arrays of the primary drive and a data drive. The data drive was reported as degraded after a reset of the server, but is rebuilding. It is comprised of two TB drives with one reporting ACTIVE with no flags. The other synchronizing and taking days... Geom name: d1 State: DEGRADED Components: 2 Balance: round-robin Slice: 4096 Flags: NONE GenID: 0 SyncID: 2 ID: 2434624761 Providers: 1. Name: mirror/d1 Mediasize: 999653637632 (931G) Sectorsize: 512 Mode: r2w1e1 Consumers: 1. Name: ada1p1 Mediasize: 999653638144 (931G) Sectorsize: 512 Stripesize: 0 Stripeoffset: 17408 Mode: r1w1e1 State: ACTIVE Priority: 0 Flags: NONE GenID: 0 SyncID: 2 ID: 175176036 2. Name: ada3p1 Mediasize: 999653638144 (931G) Sectorsize: 512 Stripesize: 0 Stripeoffset: 17408 Mode: r1w1e1 State: SYNCHRONIZING Priority: 0 Flags: DIRTY, SYNCHRONIZING GenID: 0 SyncID: 2 Synchronized: 91% ID: 4158324973 I ran the smartctl command below on the synchronizing drive and it seems there are no errors? Should I trust this drive? backup# /usr/local/sbin/smartctl -a /dev/ada3 smartctl 5.43 2012-06-30 r3573 [FreeBSD 9.0-RELEASE i386] (local build) Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Model Family: Seagate Barracuda 7200.12 Device Model: ST31000528AS Serial Number: 9VP8EKVV LU WWN Device Id: 5 000c50 026d2b322 Firmware Version: CC3E User Capacity: 1,000,204,886,016 bytes [1.00 TB] Sector Size: 512 bytes logical/physical Device is: In smartctl database [for details use: -P show] ATA Version is: 8 ATA Standard is: ATA-8-ACS revision 4 Local Time is: Thu Oct 11 10:36:54 2012 EDT 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: ( 600) 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: ( 1) minutes. Extended self-test routine recommended polling time: ( 175) minutes. Conveyance self-test routine recommended polling time: ( 2) minutes. SCT capabilities: (0x103f) SCT Status supported. SCT Error Recovery Control supported. SCT Feature Control supported. SCT Data Table supported. SMART Attributes Data Structure revision number: 10 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 113 097 006 Pre-fail Always - 108410580 3 Spin_Up_Time 0x0003 095 095 000 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 34 5 Reallocated_Sector_Ct 0x0033 076 076 036 Pre-fail Always - 1003 7 Seek_Error_Rate 0x000f 074 060 030 Pre-fail Always - 25881764 9 Power_On_Hours 0x0032 079 079 000 Old_age Always - 18567 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 17 183 Runtime_Bad_Block 0x0032 100 100 000 Old_age Always - 0 184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0 187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0 188 Command_Timeout 0x0032 098 096 000 Old_age Always - 665730089115 189 High_Fly_Writes 0x003a 100 100 000 Old_age Always - 0 190 Airflow_Temperature_Cel 0x0022 073 053 045 Old_age Always - 27 (Min/Max 24/33) 194 Temperature_Celsius 0x0022 027 047 000 Old_age Always - 27 (0 18 0 0 0) 195 Hardware_ECC_Recovered 0x001a 023 019 000 Old_age Always - 108410580 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0 240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 49280454772789 241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 3747398897 242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 2873229601 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% 12756 - # 2 Short offline Completed without error 00% 12750 - # 3 Extended offline Aborted by host 90% 12750 - 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.
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