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Re: Recommended tape backup software - tape vs disk - raided



On Tue, 2002-05-21 at 00:04, Alvin Oga wrote:
> 
> 
> hi ya petro
> 
> On Mon, 20 May 2002, Petro wrote:
> 
> > On Mon, May 20, 2002 at 12:10:34AM -0700, Peter Whysall wrote:
> > > On Mon, 2002-05-20 at 06:22, Alvin Oga wrote:
> > > > 	--- if the disks is raid5'd ... give one disk
> > > > 	--- to each of the CEO/CFO/CTO/foo/bar and no one user
> > > > 	--- has all the data... no way for stealing corp secrets
> >  
> > > That's innovative, but impractical.
> > 
> >     No, it's a great idea, but you can do the same thing even more
> >     safely with tapes. 
> 
> good point.. give um tapes.... most people dont have an expensive
> drive sitting at home .... to go poking around on it
> 	while everybody can poke around on an ide disk

And I'll be bringing home my greater-than-terabyte-sized 
enterprise database (to poke around with it..) some time in 
the near future???  Not likely.

Besides, I don't have a $3M Alpha w/ VMS & Rdb licenses
in the back bedroom, either...

> > > A terabyte is 10 AIT-3 tapes. How many disks is it?
> > 
> >     10 120 gig IDE drives. 
> > 
> >     Each with lots of electronics to fail. 
> 
> yuppers... and with a tape drive.. you only fix one ??

The likelihood that 1 of 10 mechanical devices will break
in a given timespan is far more likely than the likelyhood
of just one device breaking.

> and i've never dropped at tape drive... nor disks...
> 	- tapes get dropped because a klutz like me is swapping
> 	out a tape w/ feeble fingers... 

To quote you:
> > > On Mon, 2002-05-20 at 06:22, Alvin Oga wrote:
> > > > 	--- if the disks is raid5'd ... give one disk
> > > > 	--- to each of the CEO/CFO/CTO/foo/bar and no one user
> > > > 	--- has all the data... no way for stealing corp secrets

By definition, you must pull those spindles in order to give
them to the CEO/CFO/CTO/foo/bar.  So, not only might _you_
drop the disks, but the CEO/CFO/CTO/foo/bar may also drop them.

-- 
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| Ron Johnson, Jr.        Home: ron.l.johnson@cox.net     |
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|                                                         |
| "I have created a government of whirled peas..."        |
|   Maharishi Mahesh Yogi, 12-May-2002,                   |
!   CNN, Larry King Live                                  |
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