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FreeBSD ZFS: Putting a ZIL mirror and an L2ARC on only 2 SSD drives
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| #!/bin/bash | |
| # Based on this blog post: https://clinta.github.io/FreeNAS-Multipurpose-SSD/ | |
| set -xe | |
| ssd1=ada2 | |
| ssd2=ada3 | |
| pool=tank | |
| gpart create -s gpt $ssd1 | |
| gpart create -s gpt $ssd2 | |
| gpart add -a 4k -b 128 -t freebsd-zfs -s 30G $ssd1 | |
| gpart add -a 4k -b 128 -t freebsd-zfs -s 30G $ssd2 | |
| gpart add -a 4k -t freebsd-zfs $ssd1 | |
| gpart add -a 4k -t freebsd-zfs $ssd2 | |
| zil1=$(gpart list $ssd1 | grep rawuuid | head -1 | cut -c13-) | |
| arc1=$(gpart list $ssd1 | grep rawuuid | tail -1 | cut -c13-) | |
| zil2=$(gpart list $ssd2 | grep rawuuid | head -1 | cut -c13-) | |
| arc2=$(gpart list $ssd2 | grep rawuuid | tail -1 | cut -c13-) | |
| zpool add $pool log mirror gptid/$zil1 gptid/$zil2 | |
| zpool add $pool cache gptid/$arc1 | |
| zpool add $pool cache gptid/$arc2 |
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