skank Posted February 10, 2018 Posted February 10, 2018 I have 2 disks with smart status reports: - disk 1 says: current pending sector 196 click for context menu - disk 4 says current pending sector 88, offline uncorrectable 8 click for context menu what does it mean?
JorgeB Posted February 10, 2018 Posted February 10, 2018 It means you might have two failing disks, run an extended SMART test on both.
skank Posted February 10, 2018 Author Posted February 10, 2018 disc 1 smart extended self report: completed without error disc 4 errors occured see log pls what does it mean? why did it gave with disc 1 in first time error too? WDC_WD20EARS-00MVWB0_WD-WCAZA2312119-20180210-1812.txt
John_M Posted February 10, 2018 Posted February 10, 2018 Disk 4's report shows that it failed the test with a read error. You need to replace it. Disk 1 passed the test and might be reliable enough to allow you to rebuild disk 4, assuming you have single parity. Disk 4's (sorry, I meant disk 1's) SMART report would give some indication of its health. If you have dual parity then you can rebuild disk4 without needing disk1 to be readable. In fact, with dual parity I would simply replace both disks 1 and 4.
skank Posted February 10, 2018 Author Posted February 10, 2018 i did qdd disk 4 smart report what does it say? i dont notice anything with read problems
JorgeB Posted February 10, 2018 Posted February 10, 2018 Quote SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Extended offline Completed: read failure 90% 8903 3487182761
John_M Posted February 10, 2018 Posted February 10, 2018 30 minutes ago, skank said: i did qdd disk 4 smart report Yes, sorry. I meant you should post disk 1's latest SMART report. I've updated my original post. Also confirm whether you have single or dual parity. In fact, post your diagnostics zip then we won't have to guess.
skank Posted February 10, 2018 Author Posted February 10, 2018 single parity im not sure to replace , as i said i dont notic any read problems it has 90% live left, is that correct?
skank Posted February 10, 2018 Author Posted February 10, 2018 the diagnostics zip file unraid-diagnostics-20180210-1951.zip
JorgeB Posted February 10, 2018 Posted February 10, 2018 5 minutes ago, skank said: it has 90% live left, is that correct? No, it means the test had 90% left to go when it failed, that disk should be replaced ASAP.
JorgeB Posted February 10, 2018 Posted February 10, 2018 5 minutes ago, johnnie.black said: should be replaced ASAP.
skank Posted February 10, 2018 Author Posted February 10, 2018 lol yes you said that but what to do with it then garbage?
JorgeB Posted February 10, 2018 Posted February 10, 2018 It depends if you have any use for a bad disk.
John_M Posted February 10, 2018 Posted February 10, 2018 I like to take them apart and play with the very powerful magnets.
JonathanM Posted February 10, 2018 Posted February 10, 2018 1 minute ago, skank said: lol yes you said that but what to do with it then garbage? If you have someone you are not fond of and wish to cause them grief you could give it to them. Using it will cause data loss, sooner rather than later. Take it apart and play with the strong magnets, they can be quite fun (and painful if not careful)
JonathanM Posted February 10, 2018 Posted February 10, 2018 Dang it, sniped! Just now, John_M said: I like to take them apart and play with the very powerful magnets.
JonathanM Posted February 10, 2018 Posted February 10, 2018 Just now, skank said: use it as cache lol As long as you don't mind losing data that's on it, sure.
skank Posted February 10, 2018 Author Posted February 10, 2018 1 minute ago, jonathanm said: If you have someone you are not fond of and wish to cause them grief you could give it to them. Using it will cause data loss, sooner rather than later. Take it apart and play with the strong magnets, they can be quite fun (and painful if not careful) lol k
trurl Posted February 10, 2018 Posted February 10, 2018 10 minutes ago, skank said: or wait till it completely crashes? No. Any disk with problems puts data at risk since all bits on all other disks must be reliable in order to rebuild a disk. Parity alone cannot reconstruct data without all other disks. You really need to be working toward replacing both disks sooner rather than later. Disk 1 already makes rebuild of disk4 uncertain, and vice versa.
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