Messages in this thread | | | Date | Fri, 07 Sep 2007 06:28:33 +0930 | From | David Newall <> | Subject | Re: Problem to recognize that the file system is full |
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Jan Engelhardt wrote: > On Sep 4 2007 13:53, Guilherme Vilela wrote: > >> I'm tryng to mount a nfs file system with the option async and run a >> program that writes to the file system. The problem is that the >> program keep writing even when the file system is full. >> > > man 5 exports > > async This option allows the NFS server to violate the NFS protocol > and reply to requests before any changes made by that request > have been committed to stable storage (e.g. disc drive). >
(That means it's a feature.)
>> This program does'nt occur when mounting with the sync >> option or with async and noac option, but the performance get very >> poor and that is important to my application. The problem doesnt occur >> too with the local file system. I'm running linux centos 5.0. >> > > About ac/localhost, I am not really sure what makes it work. man 5 nfs
noac Disable attribute caching, and force synchronous writes. This extracts a server performance penalty but it allows two different NFS clients to get reasonable good results when both clients are actively writing to common filesystem on the server.
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