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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!uunet!in3.uu.net!204.238.120.21!jump.net!news From: Curt Finch <curt@pnk.com> Newsgroups: comp.unix.bsd.freebsd.misc Subject: good backup solution for pci pentium box? Date: Wed, 19 Feb 1997 14:48:42 -0600 Organization: Phoenix Net-Tek LLC Lines: 48 Message-ID: <330B672A.41C67EA6@pnk.com> NNTP-Posting-Host: pnk.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.01Gold (X11; I; FreeBSD 2.1.5-RELEASE i386) Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:35825 i have a PCI Dell box and am looking for a good backup solution. got this data roundabout from a friend, wondering if anyone else out there has had success with this? i don't have my machine polluted with any microsoft OSs so i'm wondering if it will still work ok? i'm on 2.1.5... > Well, I got a SCSI Zip drive via FedEx the other day, and installed it > on Saturday morning, and it works on DOS/Windows and FreeBSD! It > comes with a little internal-only SCSI adapter that is an Adaptec 1520 > ISA adapter clone or something, so the "aic" FreeBSD driver works with > it. I was able to mount a DOS-formatted Zip disk with the msdos > filesystem, and that worked fine, though a little slow (probably due > to the filesystem). I created a UFS filesystem on another disk, and > it runs a LOT faster than using the DOS filesystem. I think the DOS > FS got something like 90KB/sec on read, while the UFS got about > 900KB/sec using read. > > I'm waiting on an Adaptec 2940U kit, which is a PCI SCSI adapter with > software, and that should run even faster. > > The Zip disks hold a little under 100MB (they're advertised as 100 MB, > but it's really 100,000,000 bytes or so, so they really end up at 95 > or 96 MB). I'm planning on running "dump" nightly and compressing the > dumps. So far I've been able to dump these filesystems to a single > disk with space left over: > > Filesystem 1K-blocks Used Avail Capacity Mounted on > /dev/wd0a 31775 13390 15843 46% / > /dev/wd0s2f 257559 183725 53230 78% /usr > /dev/wd0s2e 29727 2987 24362 11% /var > > The full dumps take about 76 MB, and I plan to run incrementals using > the "towers of Hanoi" stuff mentioned in the dump(8) man page. > > Anyway, if you're looking for a nice backup device, I think this is > it. It's a hell of a lot cheaper than most SCSI tape drives, and a > hell of a lot faster too. Yes, it's limited to 100MB, but the disks > cost about $13 right now after rebates and special offers, so it seems > pretty inexpensive. -- _______________________________________________________________________ | Curt Finch Phoenix Net-Tek LLC curt@pnk.com 512-795-0709 | -----------------------------------------------------------------------