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[Discuss] raid issues

Tapes are acane, but they still work.  When I did backups for a living, I
liked IBMs TSM.  We kept one copy on local backup disk, one copy or two on
tape onsite, and one or two on offsite backups.

Some folks I worked with did backups for a nuke power plant.  They had one
offsite backup on optical disk, two onsite on optical disk, plus tapes and
regular disks available for fast access.  What you do just depends on your
needs and budget.

The last major company I worked for a few years ago used TSM.  They backed
up locally and did a backup to a remote data center, in addition to sending
tapes 'offsite' regularly.

On Sat, Jun 21, 2014 at 1:33 PM, Bill Bogstad <bogstad at> wrote:

> On Sat, Jun 21, 2014 at 8:01 AM, Jerry Feldman <gaf at> wrote:
> > "Nothing is a substitute for backups."
> > I just want to reiterate this, hardware fails. If properly managed you
> may be able to identify the failure before any damage is done. And, a
> viable offsite backup mitigates things like a house fire.But, in any case,
> backups are a last resort, but tried and true.
> Even "offsite" may not be good enough if you are trying to protect
> against malicious parties.    If you are using a cloud based backup
> system which lets you manage your backups over the network, you could
> lose everything if someone manages to
> get access to the management console for the backup system.
> Apparently that is what happened to Code Spaces this
> past week:
> Actual media that you can take physically offline may still have merit.
> Bill Bogstad
> _______________________________________________
> Discuss mailing list
> Discuss at

><> ... Jack

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