On Thu, 15 Jan 2009, 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 > > > 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 incrementals take about 2 hours (both backends are done at the same time). Our fulls take an entire day, but we only do fulls once a month. I'm hoping that using smaller partitions will let us do backups in shorter times, assuming we stay with tape-backups. > For the moment we don't backup the replica's. Nor use them. But we > could do it. So you are using Cyrus Murder with replication? How does that work? > We are 'planning' a storage migration too the coming months. I'm curious what storage hardware you are exploring. What are you using now for your 7 backends? Thanks, Andy ---- 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