ZFS poblem: Destroy and re-create the pool from a backup source

G

Gastondc

Well-Known Member
Aug 3, 2017
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I had a 2-disk zraid mirror. The same failure.

1626033947375.png

The error message:


Cannot import 'rpool' : I/O error
Destroy and re-create the pool from a backup source

1626033744592.png

Don't have disk problems. I have a power out.


at the moment I am running this command.


1626033788265.png

He's been running for 25 minutes without doing anything. Do I leave it running?

do i have a solution for this?
 
Last edited:
Have you tried it without the `-X` flag first? According to the manpage this should only be used as a last resort:
Code: 
-X      Used with the -F recovery option. Determines whether extreme measures to find a valid txg should take place. This allows the pool to be rolled back to a txg which is no longer guaranteed to be consistent.  Pools                     imported at an inconsistent txg may contain uncorrectable checksum errors. For more details about pool recovery mode, see the -F option, above. WARNING: This option can be extremely hazardous to the health of                     your pool and should only be used as a last resort.
 
kylerassweiler said:
I had the exact same issue happen this past weekend, are by chance using a server with a hardware raid card?
Click to expand...
I have a SuperMicro with AVAGO MegaRAID. The controller can't bypass to present de disk directly. I audit and found a RAID0 with 1 disk. Over that a RAIDZ mirror with 2 disk/raid0 . I think this the problem.
 
Gastondc said:
I have a SuperMicro with AVAGO MegaRAID. The controller can't bypass to present de disk directly. I audit and found a RAID0 with 1 disk. Over that a RAIDZ mirror with 2 disk/raid0 . I think this the problem.
Click to expand...
That sounds like it might be the issue. My setup was a R620 with a PERC710 mini raid card and no passthrough (used several raid0 vdrives to a zfs system).

In my case I'm able to use a perc 310 raid card to pass the disks directly, only issue now is that proxmox is unable to install the efi bootloader in any drive configuration.
 
Gastondc said:
I had a 2-disk zraid mirror. The same failure.

View attachment 27563

The error message:


Cannot import 'rpool' : I/O error
Destroy and re-create the pool from a backup source

View attachment 27561

Don't have disk problems. I have a power out.


at the moment I am running this command.


View attachment 27562

He's been running for 25 minutes without doing anything. Do I leave it running?

do i have a solution for this?
Click to expand...
Hi! Have this problem been solved? Any suggestions?
 
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