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

2007-11-20 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

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 bit

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 have to match

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 around

[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

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 that the

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 two

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