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mathwhiz1212 2025-04-12 04:32:31 -06:00
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Proxmox/reduce-ssd-writes.sh
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@ -14,7 +14,8 @@ echo “options zfs zfs_txg_timeout=30” > /etc/modprobe.d/zfs.conf # Set txg_t
zfs set atime=off rpool # Turn off atime. zfs set atime=off rpool # Turn off atime.
zfs set logbias=throughput rpool # Change logbias to throughput. zfs set logbias=throughput rpool # Change logbias to throughput.
zfs set compression=lz4 rpool # Set compression to lz4 instead of the older LZJB. zfs set compression=lz4 rpool # Set compression to lz4 instead of the older LZJB.
zfs set recordsize=16K rpool zfs set recordsize=16K rpool # This works better with lots of little writes, and seems to be recommended for VMs on SSDs unless your workload is many large writes.
# ZFS seems to recommend smaller recordsizes for VMs if you're running on SSDs in general depending on the workload: # ZFS seems to recommend smaller recordsizes for VMs if you're running on SSDs in general depending on the workload:
# https://openzfs.github.io/openzfs-docs/Performance%20and%20Tuning/Workload%20Tuning.html#virtual-machines # https://openzfs.github.io/openzfs-docs/Performance%20and%20Tuning/Workload%20Tuning.html#virtual-machines
# https://openzfs.github.io/openzfs-docs/Performance%20and%20Tuning/Workload%20Tuning.html#zvol-volblocksize # https://openzfs.github.io/openzfs-docs/Performance%20and%20Tuning/Workload%20Tuning.html#zvol-volblocksize