[ovirt-users] Q: ext4 noatime/nidiratime for oVirt node mount points

[Fabrice Bacchella]

Both are no brainer to activate (noatime is a superset of nodiratime, see https://lwn.net/Articles/244941/) for every mount point, unless you really know why you need exact atime.

If you want to be super-safe, use relatime. You will get not-exact but usable atime, to know if a file was acceded after write.

More informations:
https://en.wikipedia.org/wiki/Stat_(system_call)#Criticism_of_atime


> Le 4 janv. 2018 à 12:46, andreil1 <andreil1 at starlett.lv> a écrit :
> 
> Hi !
> 
> Is it safe to turn on these options (noatime, nodiratime) in oVirt node fstab for these mount points?
> /home
> /
> /tmp
> /var
> /var/log
> /var/log/audit
> 
> Node 4.2 installed on CentOS, not with node DVD.
> 
> Thanks.
> 
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