December 2, 20205 yr I'm hoping I didn't eff up my array here..I have 2 drives showing as unmountable. Here is what I have/did. I started yesterday with 10 Seagate 10 TB EXOS drives running in my array. 2 Cache drives, 1 as parity. I got 2 new EXOS 10 TB drives. *Cache drives are a NVME and SSD. I added the new EXOS drives into my array. I created a new config to do so. Things seemed to be running 'ok' with parity being checked / rebuilt. (I think?) Anyway, this morning I have 2 drives showing unmountable and one of my cache drives showing as missing. Ugggh. I rebooted and things came up ok...except two drives showing unmountable. I have brand new high quality SATA cables and nothing is pinched or otherwise in a weird configuration. What can I do from here? Pretty sure the 2nd parity drive is worth nothing here since it wasn't done building and I believe 2 drives down is no-Bueno. zeus-diagnostics-20201202-0901.zip Edited December 3, 20205 yr by dja
December 2, 20205 yr Community Expert Check filesystem on both disks, you also have a lot of errors on the pool, possibly from a dropped device, you should run a scrub.
December 2, 20205 yr Author 12 minutes ago, JorgeB said: Check filesystem on both disks, you also have a lot of errors on the pool, possibly from a dropped device, you should run a scrub. Thanks for the quick reply! Should I post up the results from both drives before doing anything? (including a scrub?)
December 2, 20205 yr Community Expert You can just run it, scrub should not show uncorrectable errors when it finishes.
December 2, 20205 yr Author 21 minutes ago, JorgeB said: You can just run it, scrub should not show uncorrectable errors when it finishes. Can I run the check on the other drive at the same time? How long should the check take? I'm going on 20 minutes or so.. Also..where the heck is the scurb option? Phase 1 - find and verify superblock... couldn't verify primary superblock - not enough secondary superblocks with matching geometry !!! attempting to find secondary superblock... .found candidate secondary superblock... unable to verify superblock, continuing... .found candidate secondary superblock... unable to verify superblock, continuing... .found candidate secondary superblock... unable to verify superblock, continuing... ........found candidate secondary superblock... unable to verify superblock, continuing... .found candidate secondary superblock... unable to verify superblock, continuing... .found candidate secondary superblock... unable to verify superblock, continuing... .................................................................................................................................................................................... Edited December 2, 20205 yr by dja
December 2, 20205 yr Community Expert 46 minutes ago, dja said: I added the new EXOS drives into my array. I created a new config to do so. Just to clarify. Do you mean you ADDED these disks to NEW slots in the parity array? Or did you actually use these disks to REPLACE other disks? Disks 8 and 9 are disabled and unmountable. But I see you also have a disk10 so that would seem to suggest a replacement. When syslog begins disks 8 and 9 are already assigned, and nothing is rebuilding. So it is very unclear, to me at least, what you have done.
December 2, 20205 yr Author Just now, trurl said: Just to clarify. Do you mean you ADDED these disks to NEW slots in the parity array? Or did you actually use these disks to REPLACE other disks? Disks 8 and 9 are disabled and unmountable. But I see you also have a disk10 so that would seem to suggest a replacement. When syslog begins disks 8 and 9 are already assigned, and nothing is rebuilding. So it is very unclear, to me at least, what you have done. I created a new config, but I added the existing disks back in the same exact order they were in. I then added 1 new EXOS drive to the 2nd parity slot and the other EXOS drive to a new slot. I forgot to mark the new data drive as encrypted (as my other drives), but I think that is unrelated. (?)
December 2, 20205 yr Author 6 minutes ago, trurl said: So the disabled and unmountable disks ARE NOT these NEW disks? No, those appear to be mounting without issue. Before- After- Edited December 2, 20205 yr by dja
December 2, 20205 yr Community Expert 1 minute ago, dja said: No, those appear to be mounting without issue. Of course, technically neither parity disk is mounted since they have no filesystem. The scrub mentioned before is with regard to your cache pool.
December 2, 20205 yr Community Expert Anything further with that repair? Did you start the repair from the webUI? Or did you type something at the command line instead?
December 2, 20205 yr Author 2 minutes ago, trurl said: Anything further with that repair? Did you start the repair from the webUI? Or did you type something at the command line instead? I did the repair with GUI -nv options and it appears to be hung, although I am seeing reads of 90 MB/s on the dashboard, so maybe *something* is happening? I saw that sometimes the -nP option can help when hung? Edited December 2, 20205 yr by dja
December 2, 20205 yr Community Expert Just now, dja said: I did the repair with -nv options and it appears to be hung, although I am seeing reads of 90 MB/s on the dashboard, so maybe *something* is happening? I saw that sometimes the -nP option can help when hung? 2 minutes ago, trurl said: Did you start the repair from the webUI? Or did you type something at the command line instead?
December 2, 20205 yr Community Expert OK, I see you edited to clarify. Just wanted to make sure you hadn't specified the wrong device if you used the command line.
December 2, 20205 yr Author 5 minutes ago, trurl said: OK, I see you edited to clarify. Just wanted to make sure you hadn't specified the wrong device if you used the command line. Should I let it go? Can I start the other drive on a check or should I wait?
December 2, 20205 yr Author 6 minutes ago, trurl said: Has there been any further output from that repair? Actually- yeah. It is. I had to copy the "..." into notepad++ and do a count, it is in-fact increasing the "....", so something is going on. Can I start the other drive or best to wait? Output so far- Phase 1 - find and verify superblock... couldn't verify primary superblock - not enough secondary superblocks with matching geometry !!! attempting to find secondary superblock... .found candidate secondary superblock... unable to verify superblock, continuing... .found candidate secondary superblock... unable to verify superblock, continuing... .found candidate secondary superblock... unable to verify superblock, continuing... ........found candidate secondary superblock... unable to verify superblock, continuing... .found candidate secondary superblock... unable to verify superblock, continuing... .found candidate secondary superblock... unable to verify superblock, continuing... 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Edited December 2, 20205 yr by dja
December 2, 20205 yr Community Expert 1 hour ago, dja said: Pretty sure the 2nd parity drive is worth nothing here since it wasn't done building I wonder if this is why the emulated disks are unmountable. Maybe the physical disks are OK. And I wonder why the disks became disabled. Maybe you disturbed their connections when adding the other disks. Shutdown, check all connections, power and SATA, both ends, including splitters. Reboot then post new diagnostics and we can decide how to proceed.
December 2, 20205 yr Community Expert Not finding the superblock suggests that the disks are not being correctly emulated, i.e., parity isn't valid, see if the actual disks are mounting.
December 2, 20205 yr Author 20 minutes ago, trurl said: I wonder if this is why the emulated disks are unmountable. Maybe the physical disks are OK. And I wonder why the disks became disabled. Maybe you disturbed their connections when adding the other disks. Shutdown, check all connections, power and SATA, both ends, including splitters. Reboot then post new diagnostics and we can decide how to proceed. I will triple check the drives in question are showing in BIOS. I see they are not listing temps, so maybe they are in fact not connected!? zeus-diagnostics-20201202-1104.zip
December 2, 20205 yr Author 31 minutes ago, JorgeB said: Not finding the superblock suggests that the disks are not being correctly emulated, i.e., parity isn't valid, see if the actual disks are mounting. Ok. I triple checked. They are mounting, I took a video since it flashes by so quickly. What I also realized though- the GUI is offering to format the drives, so they are definitely ok hardware wise. Should I maybe try to remove the new parity drive? Edited December 2, 20205 yr by dja
December 2, 20205 yr Community Expert 15 minutes ago, dja said: They are mounting, I took a video since it flashes by so quickly Being detected and mounting are different things, see if they mount outside the array, unassign both disks, start the array, and see if they with UD plugin.
December 2, 20205 yr Community Expert 31 minutes ago, dja said: They are mounting, I took a video since it flashes by so quickly. What I also realized though- the GUI is offering to format the drives, so they are definitely ok hardware wise. You are using the word "mount" incorrectly. Whatever you do DON'T FORMAT!!! 15 minutes ago, JorgeB said: see if they mount outside the array, unassign both disks, start the array, and see if they with UD plugin. this^
December 2, 20205 yr Author 15 minutes ago, trurl said: You are using the word "mount" incorrectly. Whatever you do DON'T FORMAT!!! this^ lol, format wouldn't even be my 3rd choice! Ok, unassigned them and they show up in Unassigned devices. (And they mount) Anything to do with them now that they are there? (I started in maint. mode..) Edited December 2, 20205 yr by dja
December 2, 20205 yr Community Expert You can do a new config: -Tools -> New Config -> Retain current configuration: All -> Apply You'll need to reassign disks 8 and 9, check "parity is already valid" and start the array, then run a parity check.
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