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computing:storage:zfs_replace_drive
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computing:storage:zfs_replace_drive [2021/08/04 11:26] gcooper |
computing:storage:zfs_replace_drive [2023/07/05 11:39] (current) gcooper |
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| ====== ZFS Failed Disk Replacement ====== | ====== ZFS Failed Disk Replacement ====== | ||
| + | |||
| + | **Hot Spares**: https:// | ||
| + | |||
| + | **Hot Spares**: https:// | ||
| https:// | https:// | ||
| Line 31: | Line 35: | ||
| https:// | https:// | ||
| - | <note tip>Use '' | + | <note tip>Use '' |
| < | < | ||
| Line 37: | Line 41: | ||
| </ | </ | ||
| - | <note tip>To replace a failed drive by replacing it in-place, it is best to shut down the server, remove and replace the failed drive, | + | <note tip>To replace a failed drive by replacing it **in-place**, it is best to shut down the server, remove and replace the failed drive, |
| < | < | ||
| zpool replace < | zpool replace < | ||
| + | </ | ||
| + | |||
| + | <note tip> | ||
| + | </ | ||
| + | |||
| + | < | ||
| + | zpool replace -f " | ||
| </ | </ | ||
| Line 53: | Line 64: | ||
| < | < | ||
| zpool attach < | zpool attach < | ||
| - | # Wait for it to resilver, which adds redundancy | + | # Wait for it to resilver, which adds redundancy, then |
| zpool detach < | zpool detach < | ||
| </ | </ | ||
| Line 59: | Line 70: | ||
| ==== Spares ==== | ==== Spares ==== | ||
| - | Usually a spare can replace a faulted disk but remains a spare. | + | Usually a spare can replace a faulted disk but **remains a spare**. The idea behind this is that you replace the faulted disk, then replace the spare with the new and the spare remains a spare. |
| If you want to remove the spare property, first remove then replace. | If you want to remove the spare property, first remove then replace. | ||
| ===== Pool Expansion ===== | ===== Pool Expansion ===== | ||
| + | |||
| + | https:// | ||
| + | |||
| + | https:// | ||
| ==== CLI ==== | ==== CLI ==== | ||
| Line 72: | Line 87: | ||
| < | < | ||
| + | # Set the autoexpand property so the new disk space is recognized | ||
| zpool set autoexpand=on < | zpool set autoexpand=on < | ||
| + | # Verify everything is online before replacing a disk | ||
| zpool status | zpool status | ||
| + | # Take the old, smaller disk offline before removing it | ||
| zpool offline < | zpool offline < | ||
| - | # Physically replace the disk with the new larger disk | + | ##### Physically replace the disk with the new larger disk ##### |
| - | zpool online < | + | zpool online < |
| + | # Optionally kick off the autoexpand of each new larger device | ||
| + | zpool online -e < | ||
| </ | </ | ||
computing/storage/zfs_replace_drive.1628097962.txt.gz · Last modified: 2021/08/04 11:26 by gcooper
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