Date: Thu, 16 Aug 2001 08:15:25 +0200 (CEST) From: Micke Josefsson <mj@isy.liu.se> To: (Gary W. Swearingen) <swear@aa.net> Cc: freebsd-questions@FreeBSD.ORG, Kory Hamzeh <kory@avatar.com> Subject: Re: Backup suggestions Message-ID: <XFMail.010816081525.mj@isy.liu.se> In-Reply-To: <md1ymdf73t.ymd@host29.207.55.120.aadsl.com>
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On 15-Aug-01 Gary W. Swearingen wrote: >> On Tue, Aug 14, 2001 at 07:11:08PM -0700, Kory Hamzeh wrote: >> > >> > That is the best tool to use for this? tar? cpio? dump? dd? > > I'd think dd would be best if you be sure to grab and save the entire > partitions and the two disks have the same heads/cyl, sects/track, > and maybe even cyls/drive (though I'm guessing the latter could be > different as long as your copied parts fit). > > I haven't tried any of that, so testing would be mandatory. Since dd makes a sector for sector clone the disk copied to must not have any bad sectors. When dumping an entire partition is always use - dump. For individual files and trees I use tar and cpio. > > > BTW, you might also consider what happend to my bro. Motherboard > went nuts and fried itself and his disk. I'm guessing that a second > disk would have been fried as well. > > For this reason, I've put my backup disk on an old 486 and send data > via NICs and a cross-over cable. Unfortunately, FreeBSD goes belly > up during the FTP transfer and massively corrupts the OS disk (a > small one, not the backup one). Twice. Don't know what the problem > is. memtest86 showed memory OK. Probably will try NFS xfrs next. > > BTW, I've been using afio with compression for several years (only > a few times per year, to tape) and use it's true-verify option > which never complains. Only used it for recovery once. Using > compression, and not doing some junk partitions (like ISO images, > etc,) you can probably get multiple backups on your backup disk > which gives you a better chanch of recovering from human errors > (like when you've backed up yesterday's mistaken file changes.) > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message ---------------------------------- Michael Josefsson, MSEE mj@isy.liu.se This message was sent by XFMail running on FreeBSD 4.3-STABLE ---------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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