On Fri, Mar 06, 2009 at 10:05:46AM -0700, Neil Perrin wrote: > On 03/06/09 08:10, Jim Dunham wrote: > >A simple test I performed to verify this, was to append to a ZFS file > >(no synchronous filesystem options being set) a series of blocks with a > >block order pattern contained within. At some random point in this > >process, I took a ZFS snapshot, immediately dropped SNDR into logging > >mode. When importing the ZFS storage pool on the SNDR remote host, I > >could see the ZFS snapshot just taken, but neither the snapshot version > >of the file, or the file itself contained all of the data previously > >written to it. > > That seems like a bug in ZFS to me. A snapshot ought to contain all data > that has been written (whether synchronous or asynchronous) prior to the > snapshot.
Wouldn't one have to quiesce (export) the pool on the primary before importing it on the secondary? Or does SNDR detect suitable checkpoints using, say, ZFS's cache flush commands? _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
