Razvan Corneliu VILT wrote: > Hi, > > In my infinite search for a reliable work-around for the lack of bandwidth in > the United States*, I've reached the conclusion that I need a file-system > replication solution for the data stored on my ZFS partition. > I've noticed that I'm not the only one asking for this, but I still have no > clear answer on my options from Google. > After looking into some reports on rNFS on citi.umich.edu, I found out that > I'm not the only one with the problem (go figure). I am not really up to date > with the NFSv4 spec and drafts, but I am curious if rNFS is part of the > current NFSv4 spec or of the upcoming 4.1, and if it's considered or > available for OpenSolaris, or if there are any alternatives (such as a > replicated ZFS solution that supports simultaneous r/w access on at least 2 > geographically separate servers). > Some might argue that QFS + Sun Cluster is the way to go, but I need a few > things that ZFS currently offers (NFSv4 ACLs and snapshots that Samba can be > made aware of), and will want to move to CIFS server as soon as it's > production quality. > Generally, the write traffic on the Samba shares that need replication is > light (around 1GByte/day), but it does need to happen whenever there's a > change. > I've tried creating a smart cron script that runs unison every minute (lame, > I know), but it does not replicate the NFSv4 ACLs, and it's a rather bad > approach to the problem to start with. A daemonized unison with support for > all the ZFS features that gets the file-change notifications from the kernel > along with a distributed lock manager might do the job, but it's something > that I'm not qualified to write. > I am sure that what I'm looking for is not unheard of. I am hopeful that the > ZFS+Lustre integration in the future might allow me something like this, but > it doesn't sound like it's close. > > Any sugestions?!? >
AVS. See http://www.opensolaris.org/os/project/avs/ Jim Dunham has a good blog and demo on using it with ZFS. -- richard > Cheers, > Razvan > > * Our Bucharest branch has access to 10 Mbits/sec internationally and 100 > Mbits/sec nationally (fiber of course) with BGP and our own IP classes, for > around EUR 250. This is in contrast with our San Jose, CA branch, which has a > connectivity budget of $700 and can get only a bonded-T1 at best in that > money (a T1 is $500 ($399 + taxes)). I wish that the most economically > advanced country in the world could have a decent internet infrastructure. > > > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss