Re: [Lustre-discuss] Future of LusterFS?

2010-04-21 Thread Michael Schwartzkopff
Am Donnerstag, 22. April 2010 08:33:14 schrieb Janne Aho: > Hi, > > Today we have a storage system based on NFS, but we are really concerned > about redundancy and are at the brink to take the step to a cluster file > system as glusterfs, but we have got suggestions on that lusterfs would > have be

Re: [Lustre-discuss] Future of LusterFS?

2010-04-21 Thread Andreas Dilger
On 2010-04-22, at 00:33, Janne Aho wrote: > Today we have a storage system based on NFS, but we are really concerned > about redundancy and are at the brink to take the step to a cluster file > system as glusterfs, but we have got suggestions on that lusterfs would > have been the best option fo

[Lustre-discuss] Future of LusterFS?

2010-04-21 Thread Janne Aho
Hi, Today we have a storage system based on NFS, but we are really concerned about redundancy and are at the brink to take the step to a cluster file system as glusterfs, but we have got suggestions on that lusterfs would have been the best option for us, but at the same time those who "recom

Re: [Lustre-discuss] Dual Homed Filesystem Issue

2010-04-21 Thread Andreas Dilger
On 2010-04-21, at 14:07, Dennis Nelson wrote: > I have an existing Lustre filesystem that I want to make available to > another cluster. Both clusters are IB based and the servers have dual IB > ports which are connected to the two IB fabrics of the clusters. > > Cluster A, the original cluster,

Re: [Lustre-discuss] Active-Active failover configuration

2010-04-21 Thread Katya Tutlyaeva
Thank you, I have found the answers. ___ Thanks, Katya ___ Lustre-discuss mailing list Lustre-discuss@lists.lustre.org http://lists.lustre.org/mailman/listinfo/lustre-discuss

[Lustre-discuss] Dual Homed Filesystem Issue

2010-04-21 Thread Dennis Nelson
Hi All, I have an existing Lustre filesystem that I want to make available to another cluster. Both clusters are IB based and the servers have dual IB ports which are connected to the two IB fabrics of the clusters. Cluster A, the original cluster, works fine with the filesystem. The clients fo

Re: [Lustre-discuss] Active-Active failover configuration

2010-04-21 Thread xgl
Thank you for your answer! Unfortunately, I have read this manual and meet some problems. I've configured heartbeat, have defined resources controlled by Heartbeat and haven't found any error in HA logs. I've got 3 shared resources controlled by heartbeat, 2 OSTs and 1 MDS (described in previou

[Lustre-discuss] about lustre lock

2010-04-21 Thread Tonney Kaiven Cheung
Dear everyone! It has been said that Lustre Filesystem has six lock modes. And one of the lock mode is concurrent write mode. Would you please give me explanation that in which condition a concurrent write mode lock will be asked? Thanks! Yuksam Cheung 2010-04-21 _