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tosih/zfs_replace_disk.sh

Created June 7, 2019 20:12
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Steps used to hot swap a failing disk in my OSX ZFS pool
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zfs_replace_disk.sh
#!/usr/bin/env bash
# Export pool to reimport with the less safe (because they vary) BSD disk names in /dev,
zpool export Data
zpool import -d /dev Data
# Take down faulty disk
zpool offline Data /dev/<faulty_disk>
# Replace physical disk
zpool online Data /dev/<faulty_disk>
# Start resilver process to repair pool (should be the same name)
zpool replace Data /dev/<new_disk>
# Export pool to reimport with the names in /var/run/disk/by-id
zpool export Data
zpool import -d /private/var/run/disk/by-id Data
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