September 3, 20214 yr Hello, I ve got two disks problem who comes in the same time. Before make a mistake I would like your advise Should I try to start Rebuilding a drive ? Thanks a lot ! tower-diagnostics-20210903-0955.zip
September 3, 20214 yr Community Expert Looking at your diagnostics it looks as though you started getting problems on parity2 and then only a bit later on disk1? Problems on 2 drives at the same time is more often not the drive but an external factor with the most common being the power/SATA cabling not being properly seated. The SMART information for parity2 looks OK so that drive is probably OK, but there is no sign of disk1. I would suggest powering down the server, checking the cabling; and then powering back up to see if disk1 comes back online (and if so post new diagnostics so we can see its SMART info)
September 3, 20214 yr Author Thanks for your fast answer ! I m a bit lost and afraid to lose my datas ! What should I do ? Remove the disk 1 from the array and restore it? I would follow your instruction, and let you know in 2- mn ! Thanks ! Edited September 3, 20214 yr by Keint
September 3, 20214 yr Author New diag after check the cable and reboot seems nothing changed 😅 thanks tower-diagnostics-20210903-1116.zip Edited September 3, 20214 yr by Keint
September 3, 20214 yr Community Expert There was a change - disk1 now shows up in the SMART information and shows no obvious problem so the drive may actually be fine. Do the contents of the emulated disk1 look OK? Asking because what shows on the emulated disk is what you end up with after a rebuild. Do you have a spare disk you can rebuild to (safest). If so rebuild to that keeping the old disk1 intact until the rebuild completes successfully (and you can then test its health). If not you can try rebuilding to the old disk1. The processes for both cases are covered here in the online documentation that can be accessed via the Manual link at the bottom of the Unraid GUI.
September 3, 20214 yr Author Thanks a lot for your help ! Yes I can access to all the data ... I ll buy another hard drive to be sure to don't lost anything ... I ll work on this week end and I ll let you know ! Many thanks !
September 8, 20214 yr Author Hello, I m back after changed the hard drive by a new one; I change the hard drive and start a re building but I still have an issue: one of my parity disk and the new one are with red dot . I don t understand why ... Do you have any suggestion? I bought new Sata cable aswell I ll change the tomorrow ... Thanks ! Please kindly find attached the diagram ... tower-diagnostics-20210908-1838.zip
September 8, 20214 yr Community Expert You rebooted before getting diagnostics, so syslog doesn't show us anything that happened before. SMART for both looks OK and emulated disk1 still mounts. You will have to try to rebuild them again. Be sure to get diagnostics before rebooting.
September 10, 20214 yr Author Hello! so I changed the hard drive, I change all the data cable disk 1 look green data are here. but the party drive is still in red … what do you advise me to do ? thanks !! Diag attached juste after the re build data tower-diagnostics-20210910-1404.zip
September 10, 20214 yr Community Expert You need to re-sync parity2: https://wiki.unraid.net/Manual/Storage_Management#Rebuilding_a_drive_onto_itself
September 12, 20214 yr Author Thanks ! Everything is done and look ok ... Attached the diag Thanks again for you help and time tower-diagnostics-20210912-1212.zip
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