On Thu, January 15, 2009 8:57 am, Rudy Gevaert wrote: > Andrew Morgan wrote: > > >> For those of you running large installations, how do you back them up? >> > > We have 7 backends: > 400G 320G 81G 80% /mail/mail1 > 400G 273G 128G 69% /mail/mail2 > 450G 390G 61G 87% /mail/mail3 > 400G 322G 79G 81% /mail/mail4 > 400G 270G 131G 68% /mail/mail5 > 450G 397G 54G 89% /mail/mail6 > 50G 4.8G 46G 10% /mail/mail7 Eight partitions here : kbytes used avail capacity Mounted on 351079625 266896238 80672591 77% /cyr1 351079625 305166467 42402362 88% /cyr2 351079625 279837829 67731000 81% /cyr3 351079625 270193664 77375165 78% /cyr4 423336176 355345883 63756932 85% /cyr5 423336176 317695828 101406987 76% /cyr6 423336176 353966927 65135888 85% /cyr7 423336176 375884714 43218101 90% /cyr8 > For mail1-6 incremental backup time takes between 2h and 7h, we suspect > a storage (misconfiguration) issue. > > Fulls take a lot longer, but I can't give you any time estimates now. Our fulls are done on Saturdays (4 partitions) and Sunday (4 partitions) and roughly take 16 hours each (as we observe 50 MB/s effective transfer speed, those 16 hours are obviously not fully used). Incrementals take 30 minutes per partition using Veritas NetBackup FlashBackup. > For the moment we don't backup the replica's. Nor use them. But we > could do it. > > We are 'planning' a storage migration too the coming months. Same here (could even be 'weeks'). Eric Luyten, Computing Centre VUB/ULB. ---- 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