[ceph-users] Re: atime with cephfs

2020-12-04 Thread Filippo Stenico
Hi all, We would need the same feature in our HPC cluster. I guess this is not an unfrequent problem, I was wondering if you guys found an alternative solution. Best -- Filippo Stenico Services and Support for Science IT (S3IT) Office Y11 F 52 University of Zürich Winterthurerstrasse 190, CH-805

[ceph-users] Re: atime with cephfs

2019-12-16 Thread Oliver Freyermuth
Am 16.12.19 um 11:43 schrieb Gregory Farnum: > Yes, CephFS makes no attempt to maintain atime. If that's something > you care about you should make a ticket and a case for why it's > important. :) Thanks for confirming :-). For those following along and also interested, I created the ticket here:

[ceph-users] Re: atime with cephfs

2019-12-16 Thread Gregory Farnum
Yes, CephFS makes no attempt to maintain atime. If that's something you care about you should make a ticket and a case for why it's important. :) On Sat, Dec 14, 2019 at 5:42 AM Oliver Freyermuth wrote: > > Hi together, > > I had a look at ceph-fuse code and if I read it correctly, it does indeed

[ceph-users] Re: atime with cephfs

2019-12-13 Thread Oliver Freyermuth
Hi together, I had a look at ceph-fuse code and if I read it correctly, it does indeed not seem to have the relatime behaviour since kernels 2.6.30 implemented. Should I open a ticket on this? Cheers, Oliver Am 02.12.19 um 14:31 schrieb Oliver Freyermuth: > I was thinking about the be

[ceph-users] Re: atime with cephfs

2019-12-02 Thread Oliver Freyermuth
On 2019-12-02 14:22, Nathan Fish wrote: You may be thinking of "lazytime". "relatime" only updates atime when updating mtime, to prevent being inconsistent. I was thinking about the behaviour of relatime on kernels since 2.6.30 (quoting mount(8)): "Update inode access time

[ceph-users] Re: atime with cephfs

2019-12-02 Thread Nathan Fish
You may be thinking of "lazytime". "relatime" only updates atime when updating mtime, to prevent being inconsistent. On Mon, Dec 2, 2019 at 4:46 AM Oliver Freyermuth wrote: > > Dear Cephers, > > we are currently mounting CephFS with relatime, using the FUSE client > (version 13.2.6): >ceph-f