Sanduleak Posted August 16, 2018 Share Posted August 16, 2018 Hi. Yesterday I replaced a 3 Tb drive (Disk 14) on one of my servers with a new 4 Tb one, the data rebuild was getting stuck on 0,6% so I rebooted the server and suddenly disk 5 appeared offline. I unplugged disk 5 and checked it on another computer, the disk was not responding, so after blessing the dual parity of Unraid I rebuilded disk 14, that rebuild whent smooth without any incidents. Today I have been to the shop where I purchased disk 5 and replaced it with a new identical one and started data rebuild of disk 5, and found a problem. The data is rebuilding (at least I hope so) but about 60 to 70 KB/sec and the percentage is stuck on 0,6%. Not sure of what you need to help me, so I will attach the whole diagnostic zip file to see if someone can help me, I'm affraid something is wrong with my server and I don´t know where to start. debora-diagnostics-20180816-1805.zip Quote Link to comment
JorgeB Posted August 16, 2018 Share Posted August 16, 2018 Both disks 3 and 5 are having issues, disk3 looks fine, disk5 dropped offline but it's most likely fine also, but you should reboot and post new diags to see if we get a SMART report, could be a cable issue, could be the controller, as it uses the same drivers as the SASLP/SAS2LP and these are prone to issues and not recommended for unRAID v6. Quote Link to comment
Sanduleak Posted August 16, 2018 Author Share Posted August 16, 2018 Here you are, after rebooting. debora-diagnostics-20180816-1846.zip Quote Link to comment
JorgeB Posted August 16, 2018 Share Posted August 16, 2018 Disk5 also looks fine, try replacing the cables on those disks (swap with others if you don't have spares) and try rebuilding again. Quote Link to comment
Sanduleak Posted August 16, 2018 Author Share Posted August 16, 2018 Ok, tried what you suggested and swapped the cables, now this is really strange. Disk 5 shows in the logs but in the Unraid interface it appears as "disabled, content emulated". New log attached (not sure if it will help). Now I will try to conect the disk to the mainboard without the controller, not sure if that will make a difference. debora-diagnostics-20180816-1955.zip Quote Link to comment
JorgeB Posted August 16, 2018 Share Posted August 16, 2018 13 minutes ago, Sanduleak said: Disk 5 shows in the logs but in the Unraid interface it appears as "disabled, content emulated". This is normal since the rebuild aborted, you need to stop the array, unassign disk5, start the array, stop again, re-assign disk5 and start one last time to begin the rebuild. Quote Link to comment
Sanduleak Posted August 16, 2018 Author Share Posted August 16, 2018 Ok, I was thinking about that, but wasn´t sure if that will be the way to do it, I will try it and get back to you asap. Quote Link to comment
Sanduleak Posted August 16, 2018 Author Share Posted August 16, 2018 Surprisingly now is rebuilding like a flash, 102 MB/sec and is now beyond 0,6%... Not sure what was wrong, maybe a bad connected cable?... Thanks a lot johnnie.black for your help, not sure if the problem is solved, but if the rebuild completes I suppose it is. Thanks again. Quote Link to comment
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