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Setting noatime on Debian 12
I wanted to set noatime
as I read it improves disk I/O performance. This is what sudo nano /etc/fstab
showed:
UUID=0c93f6bc-ef9c-468d-be02-84b4a70d3678 / xfs defaults 0 0
# /boot/efi was on /dev/vda2 during installation
UUID=0BBB-E1CA /boot/efi vfat umask=0077 0 1
/dev/sr0 /media/cdrom0 udf,iso9660 user,noauto 0 0
/dev/sr1 /media/cdrom1 udf,iso9660 user,noauto 0 0
I changed it to following and rebooted:
UUID=0c93f6bc-ef9c-468d-be02-84b4a70d3678 / xfs defaults 0 0
# /boot/efi was on /dev/vda2 during installation
UUID=0BBB-E1CA /boot/efi vfat umask=0077 0 1
/dev/sr0 /media/cdrom0 udf,iso9660 user,noauto,noatime 0 0
/dev/sr1 /media/cdrom1 udf,iso9660 user,noauto,noatime 0 0
Did I do this right or do I also need to write noatime
on lines which start with UUID?
Comments
just for your root.
Not sure what good it'll do on your efi or cdrom mountpoints.
You are right. Didn't notice those are CDROMs. So the first entry is my root drive?
Nothing to do with UUID. You should set it - after some reflection - on any/all partitions whose file's access times you deem not important.
But careful! The whole story depends a lot on how you spread your system over partitions, e.g. /home /var/www and whatnot all on the root partition -vs- a root partition with only the "core" and typically written to/read from often on separate partitions. There are files and directories of which you do want atime info!
Yeah UUID=0c93f6bc-ef9c-468d-be02-84b4a70d3678 is your root partition.