February 15, 201610 yr I've got 8 HHDs in my server, which includes a parity and 7 HDDs. They're all 3TB Seagate drives. I've been without a server for past few months, and the drives are pretty much pulled all from my old server (I deleted all content, and decided to build a new array out of the drives). Anyway, I've just started adding data on to the 5th drive in my server, and at some point since last night, it's giving me the error message 'DEVICE IS DISABLED, CONTENTS EMULATED'. I'm assuming the drives is dead? When I've had a look at the drive though, it's telling me it's passed the 'SMART overall-health:'. I'm just running a smart quick test, which seemed to test it quick enough, but now it's been stuck on 90% for awhile. Is my drive dead?
February 15, 201610 yr Author Oh, actually. The test completed. It's telling me 'Errors occurred - Check SMART report' smartctl 6.2 2013-07-26 r3841 [x86_64-linux-4.1.13-unRAID] (local build) Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: Seagate Barracuda 7200.14 (AF) Device Model: ST3000DM001-1CH166 Serial Number: W1F1PTPJ LU WWN Device Id: 5 000c50 05cf7bdf0 Firmware Version: CC24 User Capacity: 3,000,592,982,016 bytes [3.00 TB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: 7200 rpm Device is: In smartctl database [for details use: -P show] ATA Version is: ATA8-ACS T13/1699-D revision 4 SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Mon Feb 15 17:34:04 2016 GMT ==> WARNING: A firmware update for this drive may be available, see the following Seagate web pages: http://knowledge.seagate.com/articles/en_US/FAQ/207931en http://knowledge.seagate.com/articles/en_US/FAQ/223651en 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 See vendor-specific Attribute list for marginal Attributes. General SMART Values: Offline data collection status: (0x00) Offline data collection activity was never started. Auto Offline Data Collection: Disabled. Self-test execution status: ( 113) The previous self-test completed having the read element of the test failed. Total time to complete Offline data collection: ( 592) seconds. Offline data collection capabilities: (0x73) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. No 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: ( 338) 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 092 092 006 Pre-fail Always - 189562304 3 Spin_Up_Time 0x0003 094 094 000 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 783 5 Reallocated_Sector_Ct 0x0033 098 098 010 Pre-fail Always - 2736 7 Seek_Error_Rate 0x000f 058 058 030 Pre-fail Always - 21478099554 9 Power_On_Hours 0x0032 074 074 000 Old_age Always - 23500 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 85 183 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 100 099 000 Old_age Always - 1 1 1 189 High_Fly_Writes 0x003a 098 098 000 Old_age Always - 2 190 Airflow_Temperature_Cel 0x0022 066 040 045 Old_age Always In_the_past 34 (0 156 36 34 0) 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 - 61 193 Load_Cycle_Count 0x0032 092 092 000 Old_age Always - 17999 194 Temperature_Celsius 0x0022 034 060 000 Old_age Always - 34 (128 0 0 0 0) 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 104 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 104 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0 240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 8781h+04m+05.001s 241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 19357341743 242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 248725147783 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: read failure 10% 23500 1681990256 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. I suppose that answers that then. Next question, I've never had to pull a drive out of my Unraid array before. So how do I do this without destorying any data? I've got two other drives in my array that haven't yet been written to. I'm guessing I move drive 7 out of the array, shut down. Pull failed drive, replace with drive 7 phsyically. Boot back up, then change 'Disk 5' to the drive I'm replacing it with? Start array and it'll rebuild?
February 15, 201610 yr Community Expert 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 104 Replace. I've got two other drives in my array that haven't yet been written to. Not written to or not on the array? I'm guessing I move drive 7 out of the array, shut down. Pull failed drive, replace with drive 7 phsyically. Boot back up, then change 'Disk 5' to the drive I'm replacing it with? Start array and it'll rebuild? Assign a new disk to failed slot and start array to begin rebuild. New disk can be a new or unassigned disk, it can't be another array disk.
February 15, 201610 yr Author Ah, the drives I have are part of the array, but not written to. Am I not able to stop array, remove one of the none written drives from the array, and then add it as disk 5?
February 15, 201610 yr Community Expert Ah, the drives I have are part of the array, but not written to. Am I not able to stop array, remove one of the none written drives from the array, and then add it as disk 5? Not without losing the data on the failed disk that is being 'emulated'.
February 15, 201610 yr Community Expert No, if don’t want to replace it you can copy all data from the failed disk to another, remove the failed disk and do a new config with the existing disks, this procedure involves a new parity sync. Shrink array
February 15, 201610 yr Author Cheers for the suggestions and help! I don't have a lot of data on the drive that's failed. I've got about 20 films on it or so. I've got space to put them on my main computers HDD which I'm in the process of doing right now. Can't I just do this, remove that HDD from the array, then copy the data back over?
February 15, 201610 yr Community Expert Yes, you can copy from the failed (emulated) disk to another pc, if you don’t want to replace you'll still have to a new config without it.
February 15, 201610 yr Author Cheers! Looking at the guide for moving stuff to another drive through Unraid, I wasn't too comfortable with doing it. Never done it before, and it looked a little complicated. But thanks anyway man! Much appreciated. One last thing (I hope). Again, I've never had to pull a drive before. So, copy everything over, stop array. I should then be able to remove the drive from drive #5, and then that's it? I can just pull the HDD out and bin it?
February 15, 201610 yr Community Expert One last thing (I hope). Again, I've never had to pull a drive before. So, copy everything over, stop array. I should then be able to remove the drive from drive #5, and then that's it? I can just pull the HDD out and bin it? Not quite, you have to do Tools->New Config and reassign the drives you want to keep. When you start the array unRAID will start a parity sync to build new parity from the remaining drives. Make sure you know the serial numbers of the drives (a screen shot of the Main tab is useful here) as you do not want to accidentally assign a data drive to parity as you would end up wiping its contents.
February 15, 201610 yr Author One last question I've got before I go ahead and do this. Do I reassign each drive to the same config they were in before? IE... Parity - Parity Disk 1 - Disk 1 Disk 2 - Disk 2 Disk 3 - Disk 3 Disk 4 - Disk 4 Disk 5 - NO DEVICE Disk 6 - Disk 6 Disk 6 - Disk 6
February 15, 201610 yr Community Expert As you prefer, like that or moving disks 6 and 7 up a slot, either is fine.
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