On Wed, 8 Aug 2007, [EMAIL PROTECTED] wrote: Hello Junjiro,
> Martin Walter: > > 1) If the homedir is on our netapp (onTap 7.2.2) an utimes call is delayed > > by exactly 1 second. > > 2) If the homedir is on a linux nfs4 server an utimes call is not delayed. > > 3) If mounting the netapp homedir from a standalone linux without aufs the > > utimes call is also not delayed. > > Let me make sure. > Are you using aufs too in case of #2 ? Yes, but perhaps I should clarify that in all 3 cases the mount of the homedirectory is on top of all other filesystems and in my understanding it should in fact have nothing to do with aufs. However aufs seems to have an influence because the only significant difference between case 1 and 3 is, that aufs is used in case 1. > Your tcpdump doesn't show SETATTR NFS OPERATION, so I guess the time > attributes are cached on nfs client. > How did you check the delay? 'ls -l a' on nfs client? No, just with strace and tcpdump. > I can guess one possibility (candidate) of the cause of this problem, > just a guess. > If I am right, this patch will solve this problem. Unfortunately not. Same behavior. In the case of a diskless with aufs root filesystem, is there any influence of aufs to later mounted nfs4 filesystems? Best regards, Martin -- Martin Walter University of Freiburg i.Br. --- Germany --- Fon/Fax: +49 761 203-4651/-4643 Rechenzentrum der Universitaet, Hermann-Herder-Str.10, D-79104 Freiburg i.Br. ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/
