April 4, 201511 yr I have 2x ST32000542AS 2TB I see some values that I think is bad. Disk 2 attached to port: sdb ID# ATTRIBUTE NAME FLAG VALUE WORST THRESH TYPE UPDATED FAILED RAW VALUE 1 Raw Read Error Rate 0x000f 111 099 006 Pre-fail Always Never 30744169 3 Spin Up Time 0x0003 100 100 000 Pre-fail Always Never 0 4 Start Stop Count 0x0032 099 099 020 Old age Always Never 1953 5 Reallocated Sector Ct 0x0033 100 100 036 Pre-fail Always Never 0 7 Seek Error Rate 0x000f 071 060 030 Pre-fail Always Never 38758436838 9 Power On Hours 0x0032 086 086 000 Old age Always Never 12289 10 Spin Retry Count 0x0013 100 100 097 Pre-fail Always Never 0 12 Power Cycle Count 0x0032 100 100 020 Old age Always Never 895 183 Runtime Bad Block 0x0032 100 100 000 Old age Always Never 0 184 End-to-End Error 0x0032 100 100 099 Old age Always Never 0 187 Reported Uncorrect 0x0032 100 100 000 Old age Always Never 0 188 Command Timeout 0x0032 100 098 000 Old age Always Never 8590065719 189 High Fly Writes 0x003a 100 100 000 Old age Always Never 0 190 Airflow Temperature Cel 0x0022 075 049 045 Old age Always Never 25 (Min/Max 22/25) 194 Temperature Celsius 0x0022 025 051 000 Old age Always Never 25 (0 14 0 0 0) 195 Hardware ECC Recovered 0x001a 043 018 000 Old age Always Never 30744169 197 Current Pending Sector 0x0012 100 100 000 Old age Always Never 0 198 Offline Uncorrectable 0x0010 100 100 000 Old age Offline Never 0 199 UDMA CRC Error Count 0x003e 200 200 000 Old age Always Never 0 240 Head Flying Hours 0x0000 100 253 000 Old age Offline Never 207021718648330 241 Total LBAs Written 0x0000 100 253 000 Old age Offline Never 4137080360 242 Total LBAs Read 0x0000 100 253 000 Old age Offline Never 3015114723 Disk 3 attached to port: sdc ID# ATTRIBUTE NAME FLAG VALUE WORST THRESH TYPE UPDATED FAILED RAW VALUE 1 Raw Read Error Rate 0x000f 114 099 006 Pre-fail Always Never 66560523 3 Spin Up Time 0x0003 100 100 000 Pre-fail Always Never 0 4 Start Stop Count 0x0032 099 099 020 Old age Always Never 1989 5 Reallocated Sector Ct 0x0033 100 100 036 Pre-fail Always Never 0 7 Seek Error Rate 0x000f 067 060 030 Pre-fail Always Never 68804620599 9 Power On Hours 0x0032 086 086 000 Old age Always Never 12386 10 Spin Retry Count 0x0013 100 100 097 Pre-fail Always Never 0 12 Power Cycle Count 0x0032 100 100 020 Old age Always Never 889 183 Runtime Bad Block 0x0032 100 100 000 Old age Always Never 0 184 End-to-End Error 0x0032 100 100 099 Old age Always Never 0 187 Reported Uncorrect 0x0032 100 100 000 Old age Always Never 0 188 Command Timeout 0x0032 100 099 000 Old age Always Never 4295032886 189 High Fly Writes 0x003a 099 099 000 Old age Always Never 1 190 Airflow Temperature Cel 0x0022 074 050 045 Old age Always Never 26 (Min/Max 21/26) 194 Temperature Celsius 0x0022 026 050 000 Old age Always Never 26 (0 13 0 0 0) 195 Hardware ECC Recovered 0x001a 044 015 000 Old age Always Never 66560523 197 Current Pending Sector 0x0012 100 100 000 Old age Always Never 0 198 Offline Uncorrectable 0x0010 100 100 000 Old age Offline Never 0 199 UDMA CRC Error Count 0x003e 200 200 000 Old age Always Never 0 240 Head Flying Hours 0x0000 100 253 000 Old age Offline Never 223896645154297 241 Total LBAs Written 0x0000 100 253 000 Old age Offline Never 289126755 242 Total LBAs Read 0x0000 100 253 000 Old age Offline Never 2410213088 I need to change this drives before crash? Server alarm about 'Command Timeout' on this two drives I don't like values Raw Read Error Rate and Seek Error Rate and Hardware ECC Recovered What do you think? And if I want to change this 2 drives with 1 6TB(Yes I Have 6TB drive on parity, I can add 6TB drive data) what is the procedure?
April 4, 201511 yr Community Expert And if I want to change this 2 drives with 1 6TB(Yes I Have 6TB drive on parity, I can add 6TB drive data) what is the procedure? This suggests that you want to remove the number of drives in the array? I assume they also have data on them you want to keep? There is not a supported way of doing this while maintaining parity so while doing this your data is not protected against drive failure. The standard procedure would be: Stop the array Make a copy of the config folder (this will help with recovery if things go wrong). Make sure you know which drive is the parity drive. Assign the drives you now want (omitting the drives to be removed) making sure you get the parity drive right. Optionally you can omit the parity drive at this stage and add it in later. Start the array. Existing drives should come up with their data intact. The 'new' drive will show up as unformatted/unmountable. It needs to be formatted before you can put data on it. If you originally included the parity drive then the system should be calculating the parity. If you omitted the drive, stop the array; add the parity drive; and start the array to calculate parity. When the parity calculation finishes run a parity check to make sure it was done OK. This should complete with no errors. You can now need to copy the data from the disks you removed (assuming they were not empty) back to the array. The best method for doing this varies according to whether the disks will be attached to the unRAID server or somewhere else and data copied across the network. NOTE: There is a way of removing drives while maintaining parity, but it requires that the drives have no data on them and also requires running Linux commands to 'zero' the drive that could cause data loss if you got them wrong.
April 4, 201511 yr The raw values on those attributes are vendor specific and are more or less meaningless. Your value and worst for those attributes are not close to the threshhold as of yet.
April 4, 201511 yr Community Expert The most important indicators for disk health are the codes 5, 187, 188, 197 and 198. Number 9 tells you the service time and #199 tells you if you might have other hardware issues with cabling or disk controller.
April 4, 201511 yr Author Well for your answers I can understand that the drives are OK, and yet I can use on my unRAID server. This value.. what's mean? 188 Command Timeout 0x0032 100 098 000 Old age Always Never 8590065719 Thanks for all
April 4, 201511 yr This value.. what's mean? 188 Command Timeout 0x0032 100 098 000 Old age Always Never 8590065719 The key number there is the 100 (the VALUE), which means it's essentially perfect. At some time in the past, it dropped to 098 (the WORST), which is still a long way from 000 (the THRESH). And 'Old age' means it is informative, but not considered a critical attribute. Critical attributes are marked 'Pre-fail'.
April 4, 201511 yr Community Expert Well for your answers I can understand that the drives are OK, and yet I can use on my unRAID server. This value.. what's mean? 188 Command Timeout 0x0032 100 098 000 Old age Always Never 8590065719 Thanks for all If you are interested in knowing about SMART attributes, you should probably be reading this article. It can answer many of your questions: https://en.wikipedia.org/wiki/S.M.A.R.T. Remember the each manufacturer interprets and implements these attributes a little bit differently...
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