Can import or destroy Pool

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Can import or destroy Pool

Postby Xochikubrick » Tue Jul 21, 2020 7:20 pm

Hi there,

After going thru an extensive dive int o the world of ZFS I managed to get my RAIDZ system working with Mac, Linux and windows, but yesterday affecter going from windows to Mac I got an error that I haven't been able to recover from, currently when trying to import (in any OS) I first get this error:
internal error: Malformed Mach-o file
zsh: abort sudo zpool import -f Zraid

I tried to do a scrub but I get a "cannot open 'Zraid': no such pool" and also tried to do a pool import -F but the it comes back with "Try import -f"....

"sperezrleon@iMac-Pro ~ % sudo zpool import -F
pool: Zraid
id: 13303296019711705317
state: FAULTED
status: The pool metadata is corrupted.
action: The pool cannot be imported due to damaged devices or data.
The pool may be active on another system, but can be imported using
the '-f' flag.
see: http://zfsonlinux.org/msg/ZFS-8000-72
config:

Zraid FAULTED corrupted data
raidz1-0 FAULTED corrupted data
PCI0@0-BXBR@1,2-BYUP@0-pci-bridge@A-pci1022,7901@0-PRT0@0-PMP@0-@0:1 ONLINE
media-951A94FA-39B0-B648-80C6-33C284033109 ONLINE
media-484D0D7D-D2B5-1A48-A220-7BBCF69A4B93 ONLINE"


I don't have critical data so destroying would be an issue, but as this is learning thing for me I want to know what would be the proper steps, because I tried the destroy command, but got a "cannot open 'Zraid': no such pool" again... so no sure what to do here....

Any help is more than appreciated!
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Re: Can import or destroy Pool

Postby Xochikubrick » Tue Jul 21, 2020 8:00 pm

Wile trying differs things I ended up deleting one drive and now I don't think I have any chance on going back... any how, any info here to lear will be greatly appreciated!
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Re: Can import or destroy Pool

Postby JasonBelec » Thu Jul 23, 2020 9:13 am

Looks like hardware/cable issues.
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Re: Can import or destroy Pool

Postby Xochikubrick » Thu Jul 23, 2020 6:37 pm

I did thought of that, but sadly no, it does seem like one drive was stocked, but after formatting with Disk utility it responded, so guessing something els was keeping it busy....
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Re: Can import or destroy Pool

Postby CipherF15 » Thu Aug 27, 2020 9:46 am

Strange, it happened to me only once and it was a hardware issue as well. Did you manage to solve it in another way?
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Re: Can import or destroy Pool

Postby lundman » Sun Aug 30, 2020 4:19 pm

AFAIK: internal error: Malformed Mach-o file

is error 88, which we use for checksum-error. So it was unable to read the pool as the checksums failed. Could be data was overwritten, or other IO issues.
Biggest concern is that something went wrong with Windows, which corrupted it, and you failed to import it. Did anything suspicious happen on Windows?
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