Sunbelt W2Knews Electronic Newsletter
The secret of those "who always seem to know" - Over 500,000 Readers!
Thu, Nov 1, 2001 (Vol. 6, #84 - Issue #319)
XP Slower Than W2K?
This issue of W2Knews contains:
- EDITORS CORNER
- Time To Fortify Your Enterprise Walls
- TECH BRIEFING
- Need To Boost SQL Performance? Try This:
- NT/2000 RELATED NEWS
- InfoWorld Tests Show XP Slower Than W2K
- Nimda Hits Again
- NT/2000 THIRD PARTY NEWS
- Retina V4.7 Finds More Holes & Protects Better
- Double-Take Extended To High Growth NAS Market
- W2Knews 'FAVE' LINKS
- This Week's Links We Like. Tips, Hints And Fun Stuff
- PRODUCT OF THE WEEK
- Cisco CCNA Training Kit, Exam #640-507
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Time To Fortify Your Enterprise Walls
As you well know, with the current military action, the two top things
that IT is fast-tracking are security and business continuity. It's
time to fortify your infrastructure with the specter of retaliatory
electronic attacks. That does require some tough decisions when budgets
are shrinking. But getting that business insurance policy in place is
crucial, especially now.
The good thing of all this is that these two issues: security and
business continuity are now on the radar screen of top management,
and it is easier than ever to get budget approval for these kinds
of tools that you knew for years you really should get. So now is
the time! The two magic bullets are SECURITY and BUSINESS CONTINUITY
if you ask for money. Sunbelt has the best-of-breed tools for you,
with mainframe quality tech support. Keep on reading.
And if you are requested to come up with a cost justification for
these tools, read this simple but powerful article called "Coming
up ROSI" about Return On Security Investments over at CIO magazine.
Warm regards and be safe,
(email me with feedback: [email protected])
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Need To Boost SQL Performance? Try This:
We found in a recent MS-SQL stress test that the log file is I/O Bound.
So if you are in need of boosting SQL performance, here is something
you can try and see if it does anything in your own environment.
This week, developer Superspeed Software ran the following SQL 2000
stress test. It was run on a 4 CPU Dell PowerEdge 6400 Server. The
system under test has 4 550MHz CPUs and 8GB of RAM. The OS was W2K
2000 Advanced Server, Service Pack 2. By editing the test control
file, the test was set up so that the database was on the D: partition,
and the LOG file was on the E: partition.
The only difference between the runs was that SuperCache 2000 was first
disabled on the E: partition, and then enabled with LAZY Write mode ON
on the E: partition. The SuperCache 2000 cache index size set to 100%
(max cache size). All other SuperCache 2000 settings were the default.
The default test creates a 50 MB database file and its associated log
file. This test simulates a very heavy load on the SQL 2000 database.
It appears that the log file causes a major write I/O bottleneck which
is solved by lazy write caching the log file with SuperCache 2000.
The test runs five passes over the database and then computes the
average results shown below where the first number is without
SuperCache 2000, and the second number with SuperCache 2000 in
lazy write mode:
Average Writes per second 1066.66 1597.50
Average Transfer Rate in MB/sec 8.85 13.26
Elapsed time per test cycle in secs 30 20
The results speak for themselves. To implement SuperCache performance
gains in your production environment, simply set up the log file on
its own partition and cache it in lazy write mode..... The more memory
and CPU power available, the better the SuperCache boost to SQL. It is
recommended that your systems have a UPS to prevent system outage.
SuperCache 30-day eval downloads are here:
NT/2000 RELATED NEWS
InfoWorld Tests Show XP Slower Than W2K
I was quite surprised to see the results of this test by InfoWorld.
It's hard to believe. I'm sure that MS is extremely unhappy with
these results, and they commented they were not able to replicate
them either. I'm sure many more words will be written about this,
but InfoWorld are a bunch of smart cookies and they have done this
for over 20 years, I have been reading them for that long.
A lot of my industry knowledge comes from this mag. It's not like the
first bunch of rookies tells us that WinXP is actually slower than
W2K. If it's true, it's a black eye for some one for sure. As per "fair
use" I'm copying two paragraphs of the InfoWorld article, and then I'll
send you to the actual full article. This is pretty amazing. When I
received the email with this news I said to myself "WHOA NELLIE !!"
"HOPELESS OPTIMISM must be a fundamental part of human nature, because
we want to believe that new operating systems truly represent an
improvement on their predecessors. It's easy to point to certain
features in a new OS as examples of progress, but end-users often
find that a new OS performs like molasses compared to the version
they were using. As a result, CTOs wanting to capitalize on the
benefits of a new OS may find that new hardware investments are
necessary -- and expensive -- requirements.
"Unfortunately, Microsoft's Windows XP appears to be maintaining
that tradition, as indicated by results of independent testing
performed by CSA Research and confirmed by our work in the InfoWorld
Test Center. Our tests of the multitasking capabilities of Windows
XP and Windows 2000 demonstrated that under the same heavy load on
identical hardware, Windows 2000 significantly outperformed Windows
XP. In the most extreme scenario, our Windows XP system took nearly
twice as long to complete a workload as did the Windows 2000 client.
Our testing also suggests that companies determined to deploy Windows
XP should consider ordering desktop systems with dual CPUs to get
the most out of the new OS."
Here is the article. This is a 'must read' my friends: And I'll
keep you up to date regarding the inevitable sequels of this saga.
Nimda Hits Again
Time to patch all the browsers in your domains! (And also
start thinking about password protecting all local shared
drives if you haven't already).
This persistent Nimda critter is difficult to swat. There is now
a fifth variant out in the wild and even a few machines in the
Sunbelt network got hit today. Its two main vectors are email
and web pages that get infected. The latest .E version has been
recompiled by the criminal that let it loose, after some mods
that they made like renaming it and grabbing two other DLL's.
These changes bypassed all the fixes of existing anti-virus
This .E variant is not spreading as fast as the original, but
it's spreading nonetheless. If you took defensive measures last
time it hit, but limited those to updating your anti-virus tools
there is a good chance you still will get hit. It's about as
big as a headache as the last one, but at least it does not
carry a destructive payload.
Symantec has a free scanner available that will disinfect boxes:
And anyone that had SecureIIS running on their website, was
again protected this critter infecting their site:
THIRD PARTY NEWS
Retina V4.7 Finds More Holes & Protects Better
The new version improves Retina in a major way, apart from scanning
for more holes. Here are the new features. If you have not tested
Retina yet, this is the time to do it. This new version is a quantum
leap for the product. It was never easier to get budget money for
security related tools than now.
Here are all the new goodies:
You should really check this new version of Retina out, even if
you already own a scanner. Retina does both "inside-out" and
"outside-in" scans so you see what a hacker sees when they try to
penetrate your network from the outside. Here's the eval:
- Added over 100 new Vulnerability Audits and modified several to
eliminate false positives.
- Redesigned Backbone Architecture - Scanning module and data storage
components have been completely redesigned to increase performance
and accuracy when scanning large systems.
- Added Class B Scanning (Enterprise and Traveling versions only).
- Improved Auto-Update System - Can be set to check for new
vulnerabilities whenever the product is launched. Also displays
which vulnerabilities and modules were updated.
- Added more robust scanning mechanisms.
- Increased scheduling functionality.
- Modified/improved license management and interface.
- Improved documentation.
- Improved OS detection.
Double-Take Extended To High Growth NAS Market
Developer NSI software announced that Compaq will be the first hardware
manufacturer to use Double-Take replication for their NAS Devices.
The new product that does this is called Double-TakeŽ for NAS Devices.
It provides the data replication technology for any IT environment
that needs to protect both server and NAS devices in data critical
If you rely on NAS(*) to protect critical data and applications you
can now deploy Double-Take to cost-effectively move and protect data
to an off-site location anywhere in the world with minimal impact on
network or system performance. Compaq will support NSI Software?s
Double-Take for NAS on all shipping Compaq NAS products. As part of
the relationship between Compaq and NSI Software, Double-Take
underwent rigorous testing and numerous QC and QA procedures.
"High end block or volume replication schemas have been available for
some time. NAS file replication technology has been lacking. The
combination of Compaq's NAS with NSI Software?s products, give NAS
users a high-end solution at a very inexpensive price point. We see
no reason that this isn't an instant hit," said Steve Duplessie,
senior analyst and founder of Enterprise Storage Group.
Now, the NAS market is still young. Many companies are in the process
of determining which NAS architecture they are going to use. But in
the current "911"-climate it makes sense to have disaster recovery
in place even if you do not use a NAS. You find Double-Take in the
High Availability / Disaster Recovery Category on the Sunbelt site:
(*)A NAS is an appliance dedicated to add storage in a plug and play
mode and accessible through the network.
This Week's Links We Like. Tips, Hints And Fun Stuff
Electronic financial networks: How safe are they? Article in USA Today.
Bill Gates and Kevin Mitnick both on U.S. TV this month. Gates on Nov
13-th on the Frasier show. World's #1 hacker Mitnick plays federal agent
on Alias show. Must See TV [grin]
The world's #1 page about creating bootable CD-Roms for PC's
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