Art, Reid, Wirt et al: All that being said and caveat emptor, I have known
sites that
a) do(did) not know about Image logging, and
b) have been running since time immemorial, without same with no discernable
problems.
Of course, shadowing and logging are good, really good things, mind you,
esp. shadowing, but all that being said, with a good backup strategy you
probably won't have an Image failure of any significance for a long time,
maybe a decade?
John (Shooting from the hip) Penney in Sacto
-----Original Message-----
From: Art Bahrs [mailto:[log in to unmask]]
Sent: Friday, August 13, 2004 2:16 PM
To: [log in to unmask]
Subject: Re: [HP3000-L] OS-XM-Image Reliability VS Other OS Platforms
Solutions
Hi Reid,
Well, first of all, I think the question you are working on is what is
the risk to the organization of running without logging versus with logging
on a image database.
Second, the answer is 'It Depends' :)
Wirt's answer is excellent tho' and definitely provable...
The calculation of the risk is based on the exposure, type of data,
country where the data physically resides, the facility housing the
mechanisms holding the data, the backup strategies used and so on... you get
the idea :)
That all said... I would answer that the Risk is infinitly greater
without logging than with... (assumption here is there is no form of
shadowing going on...)
Art 'it must be Friday... I am way too flippant for anyother day of the week
hehe " Bahrs =======================================================
Art Bahrs, CISSP Information Security The Regence Group
(503) 553-1425 FAX (503) 553-1453
|---------+-------------------------------->
| | "Reid E. Baxter" |
| | <reid_e_baxter@bankon|
| | e.com> |
| | Sent by: "HP-3000 |
| | Systems Discussion" |
| | <[log in to unmask]
| | DU> |
| | |
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| | 08/13/2004 01:17 PM |
| | Please respond to |
| | reid_e_baxter |
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>---------------------------------------------------------------------------
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| To: [log in to unmask]
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| cc:
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| Subject: [HP3000-L] OS-XM-Image Reliability VS Other OS
Platforms Solutions |
>---------------------------------------------------------------------------
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I must admit I am quite dumb founded that no one has apparently ever
conducted a study of the reliability of the HP3000 Turbo Image database as
compared to other OS based offerings as I did not receive one reply.
In an effort to solicit any replies, I would like to put forth a another
question to the list, how many times have you encountered an irrecoverable
database corruption situation versus the number of years your experience
covers ?
I am attempting to surmise the 'vulnerability' of a Image database without
logging as opposed to one with logging.
Regards,
Reid E. Baxter
----- Forwarded by Reid E Baxter/OH/ONE on 08/13/2004 04:07 PM -----
Reid E Baxter To:
[log in to unmask]
cc:
08/12/2004 01:48 Subject: OS-XM-Image
Reliability VS Other OS Platforms Solutions
PM
Has anyone done a study of the reliability of the 'all in one' vendor (HP)
solution versus other OS platforms and their respective transaction managers
and third party databases ? I am currently attempting to explain to
individuals that are not HP3000 literate the differences. Any input would be
appreciated. I am specifically looking for reliability percentages if
possible. Thank you in advance.
Regards,
Reid E. Baxter
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