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37 lines
1.2 KiB
Bash
37 lines
1.2 KiB
Bash
#!/bin/bash
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# TODO EDITME do not run blind
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exit;
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# This is for when you have a 64GB 'dd' backup and want to access the partitions without restoring to original media
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# dd if=/dev/sdXX of=dd-pny-64gig-b4-reimage-with-memtest-20221108.dd bs=1M
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zp=zseatera2
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size=64 # GB
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zfs create -sV "$size"g $zp/zvol01
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# restore to compressed zvol (compression is inherited from pool level but can be set OTF)
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# zfs set compression=zstd-3 $zp/zvol01
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# time dd if=dd-pny-64gig-b4-reimage-with-memtest-20221108.dd of=/dev/zvol/$zp/zvol01 bs=1M
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fdisk -l /dev/zvol/$zp/zvol01
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# ISSUE:
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# mount /dev/zvol/zseatera2/zvol01p5 /mnt/tmp
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#mount: special device /dev/zvol/zseatera2/zvol01p5 does not exist
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#FIX: REF: https://www.golinuxcloud.com/losetup-command-in-linux/#1_Create_a_loop_device_with_losetup
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losetup -P -f /dev/zvol/$zp/zvol01 # need -P for partitions
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losetup
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#NAME SIZELIMIT OFFSET AUTOCLEAR RO BACK-FILE DIO
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#/dev/loop0 0 0 0 0 /dev/zd0 0
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# TODO grep ls /dev/zvol/$zp/zvol01 for the right one, its a symlink
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mydev=$(losetup |grep zd0 |awk '{print $1}')
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fdisk -l $mydev # /dev/loop0
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mkdir -pv /mnt/tmp
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mount /dev/"$mydev"p5 /mnt/tmp -oro # rw,noatime
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