On 01/14/10 10:17, Eric J. Ray wrote: > On Jan 14, 2010, at 10:30 AM, Sarah Jelinek wrote: > >> >> jeanm wrote: >>> From reading both Dave and your response I think the confusion is due to >>> what we consider a checkpoint. I consider a >>> checkpoint a single place in time, that is when you actually perform the >>> zfs snapshot (yeah, that's implementation specific but you get the idea) >>> You two seem to consider it the whole step. >> Yes, basically you are correct. A checkpoint is a grouping of functionality, >> such as "Target Discovery", which is executed as a whole(unless there is a >> failure). An analogous checkpoint in DC is the im-pop piece. All IPS >> packages are installed at one time, and as far as I know you cannot stop in >> the middle of this finalizer and restart. > > From a terminology perspective, a checkpoint as anything other than a point in > time is confusing to me. A grouping that ends with a checkpoint should be > called something else, I think.
Yes, perhaps a different term would help. I shared the same confusion as Jean. To me, a checkpoint felt analogous to a breakpoint in a debugger. Sue
