On Fri, Jul 31, 2009 at 7:12 PM, nick <nicholasfredd...@gmail.com > <mailto:nicholasfredd...@gmail.com>> wrote: > > > Hi All, > > I would like to knw if i can present same volume to two hosts? > > I am using Stonefly Voyager as SAN and the host would be Xen. > > Thanks in Advance > Nick > On 08/03/2009 11:30 PM, Donald Williams wrote: > Hello Nick, > > While an iSCSI SAN will not have any problem allowing multiple hosts to > connect to the same volume, what it doesn't do is protect you from the > resultant corruption. Each host will believe it owns that volume > exclusively. Writes from one host won't be seen by the other host. > They will eventually overwrite blocks written by the other and corrupt > the file allocation table. The solution is to use a global or > clustering fllesystem that will manage the cache and writes. > Filesystems like GFS, Polyserve, IBRIX, Tivoli, etc... GFS is open > source, the others are commercial filesystems that run many thousands of > dollars. > > -don >
In modern Kernels it's called GFS2 OCFS2 is also a cluster filesystem I think Boaz --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to open-iscsi@googlegroups.com To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/open-iscsi -~----------~----~----~----~------~----~------~--~---
