Colin Use force_unmount options
2012/5/16 Colin Simpson <[email protected]> > This is interesting. > > We very often see the filesystems fail to umount on busy clustered NFS > servers. > > What is the nature of the "real fix"? > > I like the idea of NFSD fully being in user space, so killing it would > definitely free the fs. > > Alan Brown (who's on this list) recently posted to a RH BZ that he was > one of the people who moved it into kernel space for performance reasons > in the past (that are no longer relevant): > > https://bugzilla.redhat.com/show_bug.cgi?id=580863#c9 > > , but I doubt this is the fix you have in mind. > > Colin > > On Tue, 2012-05-15 at 20:21 +0200, Fabio M. Di Nitto wrote: > > This solves different issues at startup, relocation and recovery > > > > Also note that there is known limitation in nfsd (both rhel5/6) that > > could cause some problems in some conditions in your current > > configuration. A permanent fix is being worked on atm. > > > > Without extreme details, you might have 2 of those services running on > > the same node and attempting to relocate one of them can fail because > > the fs cannot be unmounted. This is due to nfsd holding a lock (at > > kernel level) to the FS. Changing config to the suggested one, mask the > > problem pretty well, but more testing for a real fix is in progress. > > > > Fabio > > > > -- > > Linux-cluster mailing list > > [email protected] > > https://www.redhat.com/mailman/listinfo/linux-cluster > > > ________________________________ > > > This email and any files transmitted with it are confidential and are > intended solely for the use of the individual or entity to whom they are > addressed. If you are not the original recipient or the person responsible > for delivering the email to the intended recipient, be advised that you > have received this email in error, and that any use, dissemination, > forwarding, printing, or copying of this email is strictly prohibited. If > you received this email in error, please immediately notify the sender and > delete the original. > > > -- > Linux-cluster mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/linux-cluster > -- esta es mi vida e me la vivo hasta que dios quiera
-- Linux-cluster mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-cluster
