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Gavin,
It's using a signed 32-bit integer. It's counting in KB units, so
when it gets to 2147483647 KB (2**31 - 1), the next KB added (2**31)
causes the 32nd bit to flip on, causing the number to go negative
(-2147483646).
This is why old computers had "offset registers" to address more
memory than their 16-bit addr registers could handle :-)
Unfortunately, this is a common problem across many binaries and
scripts in the 4.5 NBU (& earlier) distribution.
We don't have 5.X deployed in our larger domains, and I've not
looked thru the 5.1 release notes for this item. Common sense does not
apply to what a software vendor "should" have recognized and addressed.
Anybody know for sure that all NBU 5.X binaries & scripts have
corrected this with 64-bit signed integers?
"Gavin Kehlert" <GavinK AT LechabileSS.co DOT za>
Sent by: veritas-bu-admin AT mailman.eng.auburn DOT edu
09/22/2004 04:27 AM
To: "Veritas Mailing List (E-mail)" <veritas-bu AT
mailman.eng.auburn DOT edu>
cc:
Subject: [Veritas-bu] GUI Counting Backwards
Hi All,
Has anyone got any ideas for me???
One of my customers is backing up a SQL database using NBU 4.5 FP6 on
Wondows 2000 with the SQL Agent. The problem they are experiencing is that
the GUI (Activity Monitor) starts counting backwards once it passes the
2.1 - 2.2TB mark. The database is currently approximately 3.3TB and by the
time it completes, it indicates that it has backed up -1.1TB successfully.
Thanks in advance,
Gavin Kehlert <?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office"
/>
VERITAS Engineer
Direct : +27 (0)11 519-8125
Mobile : +27 (0)82 442-3094
E-mail : GavinK AT LechabileSS.co DOT za
LECHABILE Storage Solutions (PTY) Ltd.
"DELIVERING THE INFORMATION ADVANTAGE"
This e-mail and attachments relating thereto, is intended for the
above-mentioned recipient. If you have received this e-mail in error,
kindly notify the sender and delete it immediately as it contains
information relating to the official business of LECHABILE Storage
Solutions (PTY) Ltd, which is confidential, legally privileged and
proprietary to LECHABILE Storage Solutions (PTY) Ltd. LECHABILE Storage
Solutions (PTY) Ltd does not own and endorse any other content. The views
and opinions expressed in this e-mail are those of the sender unless
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<br><font size=2 face="Arial">Gavin,</font>
<br><font size=2 face="Arial"> It's using a signed
32-bit integer. It's counting in KB units, so when it gets to 2147483647
KB (2**31 - 1), the next KB added (2**31) causes the 32nd bit to flip on,
causing the number to go negative (-2147483646).</font>
<br><font size=2 face="Arial"> This is why old
computers had "offset registers" to address more memory than their
16-bit addr registers could handle :-)</font>
<br>
<br><font size=2 face="Arial"> Unfortunately, this
is a common problem across many binaries and scripts in the 4.5 NBU (&
earlier) distribution.</font>
<br><font size=2 face="Arial"> We don't have 5.X
deployed in our larger domains, and I've not looked thru the 5.1 release notes
for this item. Common sense does not apply to what a software vendor
"should" have recognized and addressed.</font>
<br>
<br>
<br><font size=2 face="Arial"> Anybody know for sure
that all NBU 5.X binaries & scripts have corrected this with 64-bit signed
integers?</font>
<br>
<br>
<br>
<br>
<br>
<table width=100%>
<tr valign=top>
<td>
<td><font size=1 face="sans-serif"><b>"Gavin Kehlert" <GavinK AT
LechabileSS.co DOT za></b></font>
<br><font size=1 face="sans-serif">Sent by: veritas-bu-admin AT
mailman.eng.auburn DOT edu</font>
<p><font size=1 face="sans-serif">09/22/2004 04:27 AM</font>
<br>
<td><font size=1 face="Arial"> </font>
<br><font size=1 face="sans-serif"> To:
"Veritas Mailing List (E-mail)" <veritas-bu AT
mailman.eng.auburn DOT edu></font>
<br><font size=1 face="sans-serif"> cc:
</font>
<br><font size=1 face="sans-serif"> Subject:
[Veritas-bu] GUI Counting Backwards</font></table>
<br>
<br>
<br><font size=2 face="Arial">Hi All,</font>
<br><font size=3 face="Times New Roman"> </font>
<br><font size=2 face="Arial">Has anyone got any ideas for me???</font>
<br><font size=3 face="Times New Roman"> </font>
<br><font size=2 face="Arial">One of my customers is backing up a SQL database
using NBU 4.5 FP6 on Wondows 2000 with the SQL Agent. The problem they are
experiencing is that the GUI (Activity Monitor) starts counting backwards once
it passes the 2.1 - 2.2TB mark. The database is currently approximately 3.3TB
and by the time it completes, it indicates that it has<b> </b>backed up
<b>-1.1TB</b> successfully.</font>
<br><font size=3 face="Times New Roman"> </font>
<br><font size=3 face="Times New Roman"> </font>
<br><font size=2 face="Arial">Thanks in advance,</font>
<br><font size=3 face="Times New Roman"> </font>
<table>
<tr>
<td>
<table border=2 align=left>
<tr>
<td><font size=3 face="Times New Roman"><b>Gavin Kehlert
</b><?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office" /></font>
<br><font size=3 color=white face="Times New Roman"><b>VERITAS Engineer
</b></font>
<br><font size=1 face="Arial"> </font>
<br><font size=1 face="Times New Roman"><b>Direct :</b> +27 (0)11
519-8125 </font>
<br><font size=1 face="Times New Roman"><b>Mobile :</b> +27 (0)82
442-3094</font>
<br><font size=1 face="Times New Roman"><b>E-mail :</b> </font><a
href=mailto:GavinK AT LechabileSS.co DOT za><font size=1 color=blue face="Times
New Roman"><u>GavinK AT LechabileSS.co DOT za</u></font></a>
<td>
<td><img src=cid:_1_3A7400005A7400358DA386256F17>
<tr>
<td colspan=2><font size=2 color=white face="Times New Roman"><b>LECHABILE
Storage Solutions (PTY) Ltd.</b></font><font size=2 color=white face="Arial">
</font>
<br><font size=1 color=white face="Times New Roman">"DELIVERING THE
INFORMATION ADVANTAGE"</font><font size=2 color=#000080 face="Arial">
</font>
<td></table>
<br></table>
<p><font size=3 face="Times New Roman"> </font>
<br><font size=1 color=#808080 face="Times New Roman">This e-mail and
attachments relating thereto, is intended for the above-mentioned recipient. If
you have received this e-mail in error, kindly notify the sender and delete it
immediately as it contains information relating to the official business of
LECHABILE Storage Solutions (PTY) Ltd, which is confidential, legally
privileged and proprietary to LECHABILE Storage Solutions (PTY) Ltd. LECHABILE
Storage Solutions (PTY) Ltd does not own and endorse any other content. The
views and opinions expressed in this e-mail are those of the sender unless
clearly stated as being those of LECHABILE Storage Solutions (PTY) Ltd</font>
<br><font size=3 face="Times New Roman"> </font>
<br>
<br>
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