Re: [zfs-discuss] Modify fsid/guid of dataset for NFS failover

2007-11-20 Thread asa
I am "rolling my own" replication using zfs send|recv through the cluster agent framework and a custom HA shared local storage set of scripts(similar to http://www.posix.brte.com.br/blog/?p=75 but without avs). I am not using zfs off of shared storage in the supported way. So this is a bi

Re: [zfs-discuss] Modify fsid/guid of dataset for NFS failover

2007-11-20 Thread Richard Elling
asa wrote: > Well then this is probably the wrong list to be hounding > > I am looking for something like > http://blog.wpkg.org/2007/10/26/stale-nfs-file-handle/ > Where when fileserver A dies, fileserver B can come up, grab the same > IP address via some mechanism(in this case I am using sun c

Re: [zfs-discuss] Modify fsid/guid of dataset for NFS failover

2007-11-20 Thread asa
Well then this is probably the wrong list to be hounding I am looking for something like http://blog.wpkg.org/2007/10/26/stale-nfs-file-handle/ Where when fileserver A dies, fileserver B can come up, grab the same IP address via some mechanism(in this case I am using sun cluster) and keep on

Re: [zfs-discuss] Modify fsid/guid of dataset for NFS failover

2007-11-12 Thread Darren J Moffat
asa wrote: > I would like for all my NFS clients to hang during the failover, then > pick up trucking on this new filesystem, perhaps obviously failing > their writes back to the apps which are doing the writing. Naive? The OpenSolaris NFS client does this already - has done since IIRC aroun

Re: [zfs-discuss] Modify fsid/guid of dataset for NFS failover

2007-11-12 Thread Jonathan Edwards
On Nov 10, 2007, at 23:16, Carson Gaspar wrote: > Mattias Pantzare wrote: > >> As the fsid is created when the file system is created it will be the >> same when you mount it on a different NFS server. Why change it? >> >> Or are you trying to match two different file systems? Then you also >> ha

Re: [zfs-discuss] Modify fsid/guid of dataset for NFS failover

2007-11-10 Thread Carson Gaspar
Mattias Pantzare wrote: > As the fsid is created when the file system is created it will be the > same when you mount it on a different NFS server. Why change it? > > Or are you trying to match two different file systems? Then you also > have to match all inode-numbers on your files. That is not

Re: [zfs-discuss] Modify fsid/guid of dataset for NFS failover

2007-11-10 Thread asa
On Nov 10, 2007, at 3:49 PM, Mattias Pantzare wrote: > 2007/11/10, asa <[EMAIL PROTECTED]>: >> Hello all. I am working on an NFS failover scenario between two >> servers. I am getting the stale file handle errors on my (linux) >> client which point to there being a mismatch in the fsid's of my t

Re: [zfs-discuss] Modify fsid/guid of dataset for NFS failover

2007-11-10 Thread Mattias Pantzare
2007/11/10, asa <[EMAIL PROTECTED]>: > Hello all. I am working on an NFS failover scenario between two > servers. I am getting the stale file handle errors on my (linux) > client which point to there being a mismatch in the fsid's of my two > filesystems when the failover occurs. > I understand th

[zfs-discuss] Modify fsid/guid of dataset for NFS failover

2007-11-10 Thread asa
Hello all. I am working on an NFS failover scenario between two servers. I am getting the stale file handle errors on my (linux) client which point to there being a mismatch in the fsid's of my two filesystems when the failover occurs. I understand that the fsid_guid attribute which is then