<div dir="ltr">Thank you for the clarification. <br></div><br><div class="gmail_quote"><div dir="ltr">Am Do., 16. Aug. 2018 um 09:02 Uhr schrieb Kotresh Hiremath Ravishankar <<a href="mailto:khiremat@redhat.com">khiremat@redhat.com</a>>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div>Hi David, <br><br></div>With this feature enabled, the consistent time attributes (mtime, ctime, atime) will be</div><div>maintained in xattr on the file. With this feature enabled, gluster will not used time</div><div>attributes from backend. It will be served from xattr of that file which will be</div><div>consistent across replica set.<br></div></div><br></div>Thanks,<br>Kotresh<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Aug 16, 2018 at 12:28 PM, David Spisla <span dir="ltr"><<a href="mailto:spisla80@gmail.com" target="_blank">spisla80@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Hello Kotresh,</div><div>its no problem for me that the atime will be updated, importat is a consistent mtime and ctime on the bricks of my replica set.</div><div>I have turned on both options you mentioned. After that I created a file on my FUSE mount (mounted with noatime). But on all my bricks of the replica set</div><div>the mtime and ctime is not consistent. What about the brick mount? Is there a special mount option? <br></div><div>I have a four node cluster and on each node there is only one brick. See below all my volume options:</div><div><br></div><div><i>Volume Name: test1<br>Type: Replicate<br>Volume ID: e6576010-d9e3-4a98-bcfd-d4a452e92198<br>Status: Started<br>Snapshot Count: 0<br>Number of Bricks: 1 x 4 = 4<br>Transport-type: tcp<br>Bricks:<br>Brick1: davids-c1-n1:/gluster/brick1/glusterbrick<br>Brick2: davids-c1-n2:/gluster/brick1/glusterbrick<br>Brick3: davids-c1-n3:/gluster/brick1/glusterbrick<br>Brick4: davids-c1-n4:/gluster/brick1/glusterbrick<br>Options Reconfigured:<br>storage.ctime: on<br>features.utime: on<br>performance.client-io-threads: off<br>nfs.disable: on<br>transport.address-family: inet<br>user.smb: disable<br>features.read-only: off<br>features.worm: off<br>features.worm-file-level: on<br>features.retention-mode: relax<br>network.ping-timeout: 10<br>features.cache-invalidation: on<br>features.cache-invalidation-timeout: 600<br>performance.nl-cache: on<br>performance.nl-cache-timeout: 600<br>client.event-threads: 32<br>server.event-threads: 32<br>cluster.lookup-optimize: on<br>performance.stat-prefetch: on<br>performance.cache-invalidation: on<br>performance.md-cache-timeout: 600<br>performance.cache-samba-metadata: on<br>performance.cache-ima-xattrs: on<br>performance.io-thread-count: 64<br>cluster.use-compound-fops: on<br>performance.cache-size: 512MB<br>performance.cache-refresh-timeout: 10<br>performance.read-ahead: off<br>performance.write-behind-window-size: 4MB<br>performance.write-behind: on<br>storage.build-pgfid: on<br>auth.ssl-allow: *<br>client.ssl: off<br>server.ssl: off<br>changelog.changelog: on<br>features.bitrot: on<br>features.scrub: Active<br>features.scrub-freq: daily<br>cluster.enable-shared-storage: enable</i><br></div><div><br></div><div>Regards</div><span class="m_3276163497086839497HOEnZb"><font color="#888888"><div>David Spisla<br></div></font></span></div><div class="m_3276163497086839497HOEnZb"><div class="m_3276163497086839497h5"><br><div class="gmail_quote"><div dir="ltr">Am Mi., 15. Aug. 2018 um 20:15 Uhr schrieb Kotresh Hiremath Ravishankar <<a href="mailto:khiremat@redhat.com" target="_blank">khiremat@redhat.com</a>>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div><div><div><div><div><div>Hi David,<br><br></div>The feature is to provide consistent time attributes (atime, ctime, mtime) across replica set.<br></div>The feature is enabled with following two options.<br><br></div>gluster vol set <vol> utime on<br></div>gluster vol set <vol> ctime on<br><br></div>The features currently does not honour mount options related time attributes such as 'noatime'.<br></div>So even though the volume is mounted with noatime, it will still update atime with this feature<br></div>enabled.<br><br></div>Thanks,<br></div>Kotresh HR<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Aug 15, 2018 at 3:51 PM, David Spisla <span dir="ltr"><<a href="mailto:spisla80@gmail.com" target="_blank">spisla80@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Dear Gluster Community,</div><div>in the Chapter "Standalone" point 3 of the release notes for 4.1.0 <br></div><div><a href="https://docs.gluster.org/en/latest/release-notes/4.1.0/" target="_blank">https://docs.gluster.org/en/latest/release-notes/4.1.0/</a><br></div><div><br></div><div>there is an introduction to the new utime feature. What kind of options are not allowed if I want to mount a volume? There is "noatime,realatime" mentioned. Does the second mean "relatime". I never heard of "realatime". Is there any recommendation for the mount options?</div><div><br></div><div>Regards</div><span class="m_3276163497086839497m_-9098664506931927007m_-3190116288686843369HOEnZb"><font color="#888888"><div>David Spisla<br></div></font></span></div>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br><div class="m_3276163497086839497gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>Thanks and Regards,<br></div>Kotresh H R<br></div></div>
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