32 lines
861 B
Bash
32 lines
861 B
Bash
#!/bin/bash
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# first disk reference from zpool status:
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DISK_1=ata-HGST_HTS541010A9E680_JA1000102T3MZP
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# second disk reference from /dev/disk/by-id
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DISK_2=ata-APPLE_HDD_HTS541010A9E632_J88000HWGD8Z1B
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# clone the original disk to give a bootable drive in the event of a failure
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# and to shorten the resilvering process.
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ddrescue \
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--force \
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--retry-passes=3 \
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/dev/disk/by-id/${DISK_1} \
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/dev/disk/by-id/${DISK_2} \
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./logfile
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# when cloning using ddrescue the zfs partitons have the same metadata as the original
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# as shown by:
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zdb -l /dev/disk/by-id/${DISK_2}-part2
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# so we need to use:
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zpool labelclear -f /dev/disk/by-id/${DISK_2}-part2
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# attach the partitions as mirrors:
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zpool attach -f rpool \
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${DISK_1}-part2 \
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${DISK_2}-part2
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echo "the resilvering process will begin now, you can see its progress with zpool status -v"
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