Xref: utzoo comp.unix.questions:8844 comp.misc:3129 Path: utzoo!utgpu!water!watmath!clyde!att!rutgers!cmcl2!nrl-cmf!ames!lll-lcc!unisoft!mtxinu!sybase!ben@bosco.sybase.com From: ben@bosco.sybase.com (ben ullrich) Newsgroups: comp.unix.questions,comp.misc Subject: Re: Fastest way to backup 300MB Summary: backups on sun Keywords: backups, sun Message-ID: <418@sybase.sybase.com> Date: 15 Aug 88 07:57:15 GMT References: <516@anagld.UUCP> Sender: ben@sybase.sybase.com Reply-To: sun!sybase!ben (ben ullrich) Organization: sybase, inc., emeryville, ca Lines: 22 In article <516@anagld.UUCP> rcsmith@anagld.UUCP (Ray Smith) writes: > >I have a situation where I need to be able to backup 300MB of data >in less than 30 minutes. This will probably be done on a Sun system. >My question is, what would be the fastest way of doing this? > - Dump to tape? > - Which format (tar, dump, cpio, tpio)? > - Which tape drives and controllers are fastest? sun sells fugitsu gcr tape drives that work fairly well.. on a lightly loaded system, i've seen them back up an entire eagle (~500mb) in 30 minutes. it takes 4 tapes or so, however, even at 6250 bpi. this definitely is not fastest (disk to disk probably is), but is sure straightforward. dump was the utility that did this, btw. ...ben -- ben ullrich sybase, inc. database administrator 6475 christie avenue mis department emeryville, ca 94608 {pyramid,pacbell,sun,mtxinu,capmkt}!sybase!ben 415 - 596 - 3654