Out of curiousity, how good is zfs with full fs scans when running in the 100-million file count range? What do you see in terms of aggregate MB/s throughput? -- John madden Sr UNIX Systems Engineer Ivy Tech Community College of Indiana jmadden@xxxxxxxxxxx On Feb 15, 2010, at 15:43, "Vincent Fox" <vbfox@xxxxxxxxxxx> wrote: > John Madden wrote: >> >> We did quite a bit with snapshots (LVM) to when we were experimenting >> with block-level backups but there's a performance problem there -- >> we >> were saturating GbE. Snapshot doesn't really buy you anything in >> terms of getting the data to tape. >> >> > We run the tape backup from previous night snapshot, that way we > know it's a > read-only copy and nothing in flight. All of our usage so far has > been > "I deleted > all my mail 2 days ago" and we retrieve that from snapshots. For our > day-to-day > purposes nobody interacts with the tape except we know it's there > for DR. > > > ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
