On Wed, Feb 3, 2010 at 1:11 AM, Rick Stevens-2 [via Fedora Users] <ml-node+183782-2038788444@xxxxxxxxxxxxx> wrote: > On 02/02/2010 02:08 PM, Roberto Ragusa wrote: >> Andras Simon wrote: >>> On 2/2/10, Roberto Ragusa<[hidden email]> wrote: >>>> Andras Simon wrote: >>>>> All my partitions are ext4 and mounted with ext4 defaults from fstab. >>>>> Still, sometimes it's as if noatime was used: >>>> Defaults are sometimes surprising. >>>> Let's have a look at >>>> cat /proc/mount >>> >>> I think you're onto something... >>> >>> /dev/sda5 /home ext4 rw,seclabel,relatime,barrier=1,data=ordered 0 0 >>> >>> I definitely don't want relatime there. Would something like >>> >>> .... ext4 defaults,atime .... >>> >>> in fstab get rid of this? >> >> There is a norelatime option, but it could be not enough. >> >> I had this kind of problem some time ago and Kevin Fenzi told me >> how to do it: >> >> http://marc.info/?l=fedora-devel-list&m=121542196521553&w=2 >> http://marc.info/?l=fedora-devel-list&m=121545811619620&w=2 > Try adding "strictatime" to the fstab options. This permits overriding > any kernel defaults (e.g. ext4 defaulting to "relatime"). Can someone explain why it would be desirable to go to atime for the mounts, which I understand is an expensive option in terms of IO? I thought that the move to relative as default was a carefully considered issue by kernel developers? -- mike -- View this message in context: http://n3.nabble.com/ext4-defaults-and-access-time-tp183396p185173.html Sent from the Fedora Users mailing list archive at Nabble.com. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines