I'm running, FreeNAS-8.3.0-RELEASE-p1-x64 (r12825). I have four disk raidz1 configuration:
A few days ago I noticed this in my console:
So I ordered two disks to replace the failing ones one at a time. I did that, starting with ada0, however after resilver was complete I got data corruption:
That's an old file in an old snapshot I no longer need, I tried deleting the snapshot but after scrubbing same error showed up for the next snapshot: vol1@auto-20140831.0102-6m. I can't offline ada2 anylonger to replace it, as I think I've got metadata corruption and zfs doesn't know how to rebuild anymore.
What are my options at this point? Is there any way not to have to back everything up, destroy the pool, replace ada2, and recreate the pool?
Here's smartctl for the drive in question btw, it's still screaming into syslog...
Code:
pool: vol1 state: ONLINE status: One or more devices has experienced an error resulting in data corruption. Applications may be affected. action: Restore the file in question if possible. Otherwise restore the entire pool from backup. see: http://www.sun.com/msg/ZFS-8000-8A scan: scrub repaired 0 in 23h9m with 1 errors on Fri Oct 17 14:10:02 2014 config: NAME STATE READ WRITE CKSUM vol1 ONLINE 0 0 2 raidz1-0 ONLINE 0 0 4 gptid/f1a3e8b8-5326-11e4-966d-c860009da3f8 ONLINE 0 0 0 gptid/24f91374-df9e-11e1-9963-c860009da3f8 ONLINE 0 0 0 gptid/25865cb9-df9e-11e1-9963-c860009da3f8 ONLINE 0 0 0 gptid/260cd97a-df9e-11e1-9963-c860009da3f8 ONLINE 0 0 0
A few days ago I noticed this in my console:
Code:
Oct 14 18:14:48 freenas smartd[2241]: Device: /dev/ada0, 24 Currently unreadable (pending) sectors Oct 14 18:14:48 freenas smartd[2241]: Device: /dev/ada0, 24 Offline uncorrectable sectors Oct 14 18:14:48 freenas smartd[2241]: Device: /dev/ada2, 24 Currently unreadable (pending) sectors Oct 14 18:14:48 freenas smartd[2241]: Device: /dev/ada2, 24 Offline uncorrectable sectors
So I ordered two disks to replace the failing ones one at a time. I did that, starting with ada0, however after resilver was complete I got data corruption:
Code:
[root@freenas] ~# zpool status -v pool: vol1 state: ONLINE status: One or more devices has experienced an error resulting in data corruption. Applications may be affected. action: Restore the file in question if possible. Otherwise restore the entire pool from backup. see: http://www.sun.com/msg/ZFS-8000-8A scan: resilvered 2.25T in 27h51m with 1 errors on Tue Oct 14 22:10:59 2014 config: NAME STATE READ WRITE CKSUM vol1 ONLINE 0 0 1 raidz1-0 ONLINE 0 0 2 gptid/f1a3e8b8-5326-11e4-966d-c860009da3f8 ONLINE 0 0 0 gptid/24f91374-df9e-11e1-9963-c860009da3f8 ONLINE 0 0 0 gptid/25865cb9-df9e-11e1-9963-c860009da3f8 ONLINE 0 0 0 gptid/260cd97a-df9e-11e1-9963-c860009da3f8 ONLINE 0 0 0 errors: Permanent errors have been detected in the following files: vol1@auto-20140830.0102-6m:/home/user/file.pdf
That's an old file in an old snapshot I no longer need, I tried deleting the snapshot but after scrubbing same error showed up for the next snapshot: vol1@auto-20140831.0102-6m. I can't offline ada2 anylonger to replace it, as I think I've got metadata corruption and zfs doesn't know how to rebuild anymore.
What are my options at this point? Is there any way not to have to back everything up, destroy the pool, replace ada2, and recreate the pool?
Here's smartctl for the drive in question btw, it's still screaming into syslog...
Code:
smartctl 5.43 2012-06-30 r3573 [FreeBSD 8.3-RELEASE-p5 amd64] (local build) Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Model Family: Seagate Barracuda (SATA 3Gb/s, 4K Sectors) Device Model: ST3000DM001-9YN166 Serial Number: W1F0T332 LU WWN Device Id: 5 000c50 052b3bedd Firmware Version: CC4B User Capacity: 3,000,592,982,016 bytes [3.00 TB] Sector Sizes: 512 bytes logical, 4096 bytes 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: Mon Oct 20 15:32:30 2014 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: ( 584) 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: ( 349) minutes. Conveyance self-test routine recommended polling time: ( 2) minutes. SCT capabilities: (0x3085) SCT Status 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 118 099 006 Pre-fail Always - 189444680 3 Spin_Up_Time 0x0003 093 092 000 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 29 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0 7 Seek_Error_Rate 0x000f 082 060 030 Pre-fail Always - 182913906 9 Power_On_Hours 0x0032 078 078 000 Old_age Always - 19371 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 29 183 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 091 091 000 Old_age Always - 9 188 Command_Timeout 0x0032 100 099 000 Old_age Always - 12885098499 189 High_Fly_Writes 0x003a 098 098 000 Old_age Always - 2 190 Airflow_Temperature_Cel 0x0022 069 052 045 Old_age Always - 31 (Min/Max 26/45) 191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 0 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 25 193 Load_Cycle_Count 0x0032 100 100 000 Old_age Always - 78 194 Temperature_Celsius 0x0022 031 048 000 Old_age Always - 31 (0 15 0 0 0) 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 24 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 24 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0 240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 147523536702303 241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 195194164965146 242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 28493381474476 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.
