OT: Tape less Backup System

Jay R. Ashworth jra at baylink.com
Tue Jan 25 08:59:59 PST 2005


On Mon, Jan 24, 2005 at 10:06:44AM -0500, D. Thomas Podnar wrote:
> : > You probably need to look at the full specs.  It also is designed
> : > to backup multiple systems to a common NAS device is you wish.
> : 
> : I saw that, and (also without reading the full spec) said "why won't it
> : support scp?"
> : 
> : Tom?  Does it?
> 
> Sigh. It is amazing what you can put into a product, how much time and
> money you can expend, and then immediately get the "but why can't it do ..."?
> question.

Sigh not, good sir.  BackupEdge is my favorite program, and I'm probably responsible
for about 20 or 30 end user installs myself.

> scp doesn't have the full command set necessary to do what we do. And it
> copies only full files.

Hmmm... 

> BackupEDGE can manipulate the archive directory with the full ftp protocol,
> It can read the labels from remote archives to rebuild its control file, size
> remote archives, and restore ONLY the file/files you want from a remote
> archive, without sending the full archive back across the network/internet.

The FTP protocol allows you to retrieve *byte ranges*?  I wasn't aware of that.

> Building ftp/ftps into the backup engine provides a very elegant solution
> to a difficult problem, if you understand all the potential things that
> backup software needs to do.
> 
> By far most backups will be across the local network, for which ftp backups
> are well suited. ftps is an excellent protocol for remote backups, and
> can be further enhanced by using BackupEDGE archive encryption to provide
> a very robust and secure solution.

I'm guessing that ftps is *not* sftp... and I have to admit to never having heard of
ftps.  I guess I'll go look it up.

Cheers,
-- jra
-- 
Jay R. Ashworth                                                jra at baylink.com
Designer                          Baylink                             RFC 2100
Ashworth & Associates        The Things I Think                        '87 e24
St Petersburg FL USA      http://baylink.pitas.com             +1 727 647 1274

      If you can read this... thank a system adminstrator.  Or two.  --me


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