madcow5x5 Posted December 1, 2021 Share Posted December 1, 2021 Hi all, I was working on adding new drives to the chassis and I accidentally disconnected the SATA cable from an existing drive while the system was on. The array seems like it's fine with data but I'm now showing a drive error on one disk. I ran a check and it said everything was fine. I tried to re-insert the disk and start a rebuild. The rebuild quit after just a few minutes and reported an error with the drive. I captured diagnostics and a smart report. I just need to know how to proceed without losing data. Currently the server looks like this If I add the disk back and try the rebuild it continues to fail. Quote Link to comment
trurl Posted December 1, 2021 Share Posted December 1, 2021 Attach Diagnostics to your NEXT post in this thread Quote Link to comment
madcow5x5 Posted December 1, 2021 Author Share Posted December 1, 2021 diagnostics-20211201-1345.zip Quote Link to comment
trurl Posted December 1, 2021 Share Posted December 1, 2021 The disk has disconnected. Marvell controllers are NOT recommended. Can you avoid those ports for all your disks? Quote Link to comment
madcow5x5 Posted December 1, 2021 Author Share Posted December 1, 2021 (edited) This one is directly attached to my motherboard so I would say no. I have an MZHOU PCI-E add-on card that has empty slots I could move it to but I don't have enough slots to move all of them off the motherboard. Edited December 1, 2021 by madcow5x5 Quote Link to comment
trurl Posted December 1, 2021 Share Posted December 1, 2021 Maybe all of the motherboard ports aren't Marvell. Some may even be a different color. Check the manual. Do you have any VMs that require passthru? Some have reported that Marvell works better if you disable IOMMU in the BIOS Quote Link to comment
madcow5x5 Posted December 1, 2021 Author Share Posted December 1, 2021 No VM's on this system. I had one long ago but I deleted it. This is basically just a large file server - movies/documents/etc.....Can I install a new disk, do the rebuild, and then re-add this disk? I have another 2 disks I was going to add to the system and both are brand new. Quote Link to comment
trurl Posted December 1, 2021 Share Posted December 1, 2021 1 hour ago, madcow5x5 said: Can I install a new disk, do the rebuild, and then re-add this disk? You should be able to rebuild to the original disk if there is nothing wrong with it. Can't tell since it was disconnected in the diagnostics so no SMART report was available. Rebuilding to a new disk is safer though, since it lets you keep the original disk as is with its contents until you are happy with the rebuild results. I didn't notice any connection problems with any other disks so maybe it is not the Marvell controller. Do you have IOMMU (AMD-VI) enabled in BIOS? Since the problem seems to have started with a bad connection that is probably what it is. Check connections, SATA and power, both ends, including splitters. Some of your disks probably have SMART warnings on the Dashboard page. And you should click on each of your WD disks to get to its page and add attributes 1 and 200 to be monitored, which may get even more SMART warnings on Dashboard. Dec 1 10:42:01 Big-Daddy root: Fix Common Problems: Warning: unRaids built in FTP server is running Dec 1 10:42:05 Big-Daddy root: Fix Common Problems: Other Warning: Background notifications not enabled You should setup Notifications to alert you immediately by email or other agent as soon as a problem is detected. Looks like you joined the forum years ago but these are your first posts. Have you been using Unraid that long? Quote Link to comment
madcow5x5 Posted December 2, 2021 Author Share Posted December 2, 2021 (edited) I've had it for a long time but it just runs which is why I like it so much. I haven't had any problems up until now and this was only because I was working inside the server with it running. First time I've ever done it and the last. I was on version 4 for the longest time and upgraded to 6 late in the game. I really appreciate the help. Edited December 2, 2021 by madcow5x5 Quote Link to comment
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