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ZFS: Difference between revisions
→Caching
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At the default of 128K record size, 1 GiB has 8196 records, hence requiring approx 656 KiB of memory.<br> | At the default of 128K record size, 1 GiB has 8196 records, hence requiring approx 656 KiB of memory.<br> | ||
At 4K record size, you will need approx. 20 MB of RAM per GB. | At 4K record size, you will need approx. 20 MB of RAM per GB. | ||
To add an l2arc: | |||
<syntaxhighlight lang="bash"> | |||
sudo zpool add $pool cache $device | |||
</syntaxhighlight> | |||
===SLOG=== | |||
<syntaxhighlight lang="bash"> | |||
sudo zpool add $pool log $device | |||
# or | |||
# sudo zpool add $pool log mirror $device1 $device2 | |||
</syntaxhighlight> | |||
==Expanding== | ==Expanding== | ||