So I've got a fairly happy working setup, but noticed that ZFS will not use more than 50% ram.
I have 128gb so plenty spare. Is there a way to safely allow ZFS to use more ram?
ZFS to use more than 50% ram?
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- OMV 4.x
- savellm
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So I've got a fairly happy working setup, but noticed that ZFS will not use more than 50% ram.
This is the default behavior of Zfs on Linux.
You can modify it by creating '/etc/modprobe.d/zfs.conf'. Also some aditional work is necessary.
More info here: Limit ZFS on Linux Memory Usage and ZFS ARC on Linux, how to set and monitor on Linux?
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1 Add this line to /etc/modprobe.d/zfs.conf
options zfs zfs_arc_max=<new size in Byte>
2. Save the file and reboot3. You can check the current value of 'zfs_arc_max' here /sys/module/zfs/parameter/zfs_arc_max
4. The run-time usage of the ARC can be monitored by
CLI> arcstat
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