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try other zfs settings

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Christoph Cullmann 2025-04-26 15:20:13 +02:00
parent 50b7d6da88
commit 9f8b9dc5b7
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1 changed files with 3 additions and 4 deletions
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share/common.nix
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@ -114,7 +114,6 @@ in
# tweak ZFS
boot.extraModprobeConfig = ''
options zfs zfs_arc_meta_limit_percent=100
options zfs zfs_arc_min=134217728
options zfs zfs_arc_max=4294967296
options zfs zfs_txg_timeout=30
@ -135,11 +134,11 @@ in
system.activationScripts.zfsTuning = {
text = ''
# only one level of metadata caching
${pkgs.zfs}/bin/zfs set primarycache=metadata zpool
${pkgs.zfs}/bin/zfs set primarycache=all zpool
${pkgs.zfs}/bin/zfs set secondarycache=none zpool
# use always direct IO to avoid ARC overhead
${pkgs.zfs}/bin/zfs set direct=always zpool
# use allow direct IO
${pkgs.zfs}/bin/zfs set direct=standard zpool
'';
};