> Tape drives and tapes seem to be just too expensive. Am I out of date here?
No, I don't think so. The problem is that the low-end tape market has mostly vanished as CDs/DVDs/disks get cheaper -- not that it should, because tape is much more reliable -- so the cost of entry is pretty high. I use AIT-1 tapes at home, which give me about 35 GB/tape, but I'd be a lot happier with AIT-3 (100 GB/tape). The tapes are reasonably affordable; unfortunately, the drives are priced for small business, not for home use. > What would I need to buy to back up a system that currently has > about 600GB of data in it, growing a few GB a month on average? I'd probably back up everything onto two large (750 GB or 1 TB) external drives, each kept off-site at a different location. (Being paranoid, I'd also likely want at least one tape backup, but the initial full backup would take a long time....) > Also, what *software* does one use? For a full, and for an incremental? I've heard of Amanda but haven't used it. I suppose there are other open-source backup solutions. I use commercial backup software, myself. > ZFS can give me a view equivalent to an > incremental, can't it? Which I could then copy > somewhere suitable? Hmmm. I don't think it exposes such a view right now, though at first glance it wouldn't be too hard -- along with a snapshot, you could have a 'snapdiff' view, which would only expose the files which had changed since a previous snapshot. I think that would be pretty straightforward to implement.... Anton This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
