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recover veracrypt zfs pool after failed usb cable, without reboot
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| ******************************************************************************** | |
| WARNING THESE ARE MY PARTICULAR CASE NOTES MADE PUBLIC SO I CAN EASILY FIND THEM | |
| DO NOT BLINDLY PASTE WITHOUT UNDERSTANDING WHAT DO THESE COMMANDS DO | |
| ******************************************************************************** | |
| dmsetup table | grep veracrypt | |
| veracrypt2: 0 3904923136 crypt aes-xts-plain64 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 256 8:34 256 | |
| dmsetup reload veracrypt2 --table "0 3904923136 error" | |
| dmsetup suspend --noflush veracrypt2 | |
| dmsetup resume veracrypt2 | |
| (?)zpool clear backup-usb | |
| remove from veracrypt UI | |
| echo "0 3904923136 zero" | dmsetup reload veracrypt2 | |
| dmsetup suspend --noflush veracrypt2 | |
| dmsetup resume veracrypt2 | |
| dmsetup remove veracrypt2 | |
| re-setup dm table from veracrypt UI | |
| zpool clear backup-usb | |
| scrub will start automatically | |
| errors will be found | |
| export pool | |
| reimport | |
| scrub again |
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when you import, you direct it to import from /dev/mapper
zpool import -d /dev/mapper