RE: [U2] Internal data error

2006-10-06 Thread Andre Meij
Hi,

A (unfortunate) common problem when a server is reset when files are in use.
The internal file structure becomes corrupted.


Our procedure for repair is the following:

One the unix commandline:

cp -r directoryname directoryname.backup


fixtool -file directoryname 

(this will show an overview of errors)

Fixtool -file directoryname -fix 

(this will attempt to fix the file)

BUT fixtool is improved in the later versions (10.0 and above) so you might
not want to use it!

After the copy you can run on the Universe commandline:

uvfixfile filename


this works on all versions but not on 64bit files.


Hope this helps, hoping for you that you do not encounter this often.


If you need more help contact me.


Regards,

Andre Meij

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Teri Henry
Sent: Friday, October 06, 2006 7:02 PM
To: u2-users@listserver.u2ug.org
Cc: IT Support
Subject: [U2] Internal data error

Universe 9.5

Received the following error and would be grateful to know what it means
and suggestions as to type of maintenance/correction needed.

Internal data error.
  File 'E:\usr1\MASTER/ICE':
  Computed blink of 0x1EC0C000 does not match expected blink of
0x520E8000!
  Detected within group starting at address 0x1EC0C000!

Many thanks!

Teri Henry

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Blank Bkgrd.gif]
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Re: [U2] Internal data error

2006-10-06 Thread Stephen O'Neal
Bummer Teri!

You've encountered a broken file with a Backward Link (blink) error.  Call 
your U2 support provider to find out the steps to recover.

U2 Lab Services baseline recommendation is for all systems to run UniVerse 
Transaction Logging to eliminate broken files upon recovery of a down 
system.

Any system that does not run UniVerse Transaction Logging takes a chance 
of having broken files upon recovery, as you discovered.

A broken file will occur when system crashes when either of these happens:
a) A dynamic file expands or contracts 
b) A static files extends for overflow

The reason is that three disk writes occur:
1. One writes for the forward pointer
2. One for the backward pointer and
3. One for the header of the file

Should any of these three writes not make it to the disk; the file will be 
broken upon startup.

UniVerse Transaction Logging writes to the transaction log first, before 
writing to the file.  Upon recovery, the open UniVerse Transaction Log is 
applied, thereby preserving the integrity of the file.

UniVerse Transaction Logging must be coupled with a Hardware Solution for 
it to be effective.

Sorry to hear it!
   Steve

   Stephen M. O'Neal
   Lab Services Sales for U2
   IBM SWG Information Management Lab Services




Teri Henry [EMAIL PROTECTED] 
Sent by: [EMAIL PROTECTED]
10/06/2006 11:01 AM
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Subject
[U2] Internal data error






Universe 9.5

Received the following error and would be grateful to know what it means
and suggestions as to type of maintenance/correction needed.

Internal data error.
  File 'E:\usr1\MASTER/ICE':
  Computed blink of 0x1EC0C000 does not match expected blink of
0x520E8000!
  Detected within group starting at address 0x1EC0C000!

Many thanks!

Teri Henry

[demime 1.01d removed an attachment of type image/gif which had a name of 
Blank Bkgrd.gif]
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RE: [U2] Internal data error

2006-10-06 Thread John Jenkins
9.5 = uvfixfile.

Also worthy of note: The end-of-life products and dates are covered in the
Lifecycle announcements on the U2TechConnect product availability matrix.

If you are on an older release please consider upgrading.

www.ibm.com/software/data/u2

Hyperlinks from there to: 

Support
http://www-306.ibm.com/software/data/u2/support/

Product Availability
https://www-927.ibm.com/software/data/u2/support/u2techconnect/matrix.asp

Product Lifecycle Announcements
https://www.927.ibm.com/software/data/u2/support/u2techconnect/productlifecy
cle.asp


Regards

JayJay


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Andre Meij
Sent: 06 October 2006 19:43
To: u2-users@listserver.u2ug.org
Cc: 'IT Support'
Subject: RE: [U2] Internal data error

Hi,

A (unfortunate) common problem when a server is reset when files are in use.
The internal file structure becomes corrupted.


Our procedure for repair is the following:

One the unix commandline:

cp -r directoryname directoryname.backup


fixtool -file directoryname 

(this will show an overview of errors)

Fixtool -file directoryname -fix 

(this will attempt to fix the file)

BUT fixtool is improved in the later versions (10.0 and above) so you might
not want to use it!

After the copy you can run on the Universe commandline:

uvfixfile filename


this works on all versions but not on 64bit files.


Hope this helps, hoping for you that you do not encounter this often.


If you need more help contact me.


Regards,

Andre Meij

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Teri Henry
Sent: Friday, October 06, 2006 7:02 PM
To: u2-users@listserver.u2ug.org
Cc: IT Support
Subject: [U2] Internal data error

Universe 9.5

Received the following error and would be grateful to know what it means
and suggestions as to type of maintenance/correction needed.

Internal data error.
  File 'E:\usr1\MASTER/ICE':
  Computed blink of 0x1EC0C000 does not match expected blink of
0x520E8000!
  Detected within group starting at address 0x1EC0C000!

Many thanks!

Teri Henry

[demime 1.01d removed an attachment of type image/gif which had a name of
Blank Bkgrd.gif]
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