Date: Tue, 2 Feb 1999 11:25:31 -0000 From: paul@originative.co.uk To: winter@jurai.net, wilko@yedi.iaf.nl Cc: mjacob@feral.com, gemorga2@vt.edu, freebsd-scsi@FreeBSD.ORG Subject: RE: SCSI Backup... Message-ID: <A6D02246E1ABD2119F5200C0F0303D10FDFA@octopus>
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> -----Original Message----- > From: Matthew N. Dodd [mailto:winter@jurai.net] > Sent: 02 February 1999 03:54 > To: Wilko Bulte > Cc: mjacob@feral.com; gemorga2@vt.edu; freebsd-scsi@FreeBSD.ORG > Subject: Re: SCSI Backup... > > > On Sun, 31 Jan 1999, Wilko Bulte wrote: > > As Matthew Jacob wrote... > > > DLTIV tape -> ~40GB with compression. > > > > DLT7000 -> 35/70 Gb on IV tape. > > > > > MO is maybe 2GB now? > > 5.2GB (10.4 with compression!) > > Still, this isn't an apples to apples comparison here. You're talking > sequential vs. random access (unless someone has written a > block device > driver for tape drives.) Anyone thought about DVD-Ram? I've been thinking about them for backups recently and they look quite attractive. A DVD drive, which you can use for all the other CD and DVD formats is £599 in a mag here and a 5.2Gb DVD-Ram is only £26.85. Possibly a little pricey compared to the lower end tape solutions and not the storage capacity of the higher end DLT but as an in-the-middle solution it looks quite attractive at that price. Seems like it would blow a Jazz disk out of the market and given some time to mature it might start threatening the lower end super-floppy type devices. CDROM drive prices have certainly plummeted since they came out, if DVD technology does the same this is going to look like a very attractive device. I don't know how one of these DVD-Ram media would stack up against tape when it comes to longer term storage but I suspect very well. In terms of performance I suspect it's much better than tape. As you can probably see, I've not looked into this much, DVD-Ram just recently caught my attention and the price/Mb of the media really surprised me. Paul. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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