On Thu, Jan 8, 2009 at 3:06 AM, Mr Stephen Yum <[email protected]> wrote: > Hi all, > > If I want to make a snapshot of an iscsi volume while there's a transfer > going on, is there a way to detect this and either 1) not include the file > being transferred, or 2) wait until the transfer is finished before making > the snapshot? > > If I understand correctly, this is what Microsoft's VSS is supposed to do. Am > I right?
VSS does item (2) of your list above: it temporarily prevents new I/O from starting, waits for in-flight ops to complete, and then handles control over to snapshot party. Regards, Andrey > > Right now, when there is a transfer going on while making the snapshot, I > always end up with a corrupt file (understandably so, since the file transfer > is unfinished). > > S > > > > > > _______________________________________________ > storage-discuss mailing list > [email protected] > http://mail.opensolaris.org/mailman/listinfo/storage-discuss > _______________________________________________ storage-discuss mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/storage-discuss
