Ramdisk: Difference between revisions
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| Line 3: | Line 3: | ||
su | su | ||
mkdir /et | mkdir /et | ||
mount -t tmpfs -o size= | mount -t tmpfs -o size=4096M xfs /et | ||
To make it permanent, add following line in ''/etc/fstab'': | To make it permanent, add following line in ''/etc/fstab'': | ||
Revision as of 13:02, 9 March 2018
On critical daq servers (clondaqx) directory /et resides in ramdisk. Following have to be done during installation:
su mkdir /et mount -t tmpfs -o size=4096M xfs /et
To make it permanent, add following line in /etc/fstab:
tmpfs /etc xfs nodev,nosuid,noexec,nodiratime,size=4096M 0 0
General info
Check available memory size:
free -g
Example of creating 4G ramdisk and mounting it as /mnt/ramdisk:
su mkdir /mnt/ramdisk mount -t tmpfs -o size=4g xfs /mnt/ramdisk
To make it permanent, add it to /etc/fstab:
tmpfs /mnt/ramdisk xfs nodev,nosuid,noexec,nodiratime,size=4096M 0 0