Networker

Re: [Networker] Disk read / write problems with NetWorker

2007-05-24 07:14:41
Subject: Re: [Networker] Disk read / write problems with NetWorker
From: "Faidherbe, Thierry" <Thierry.Faidherbe AT HP DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Thu, 24 May 2007 11:10:18 -0000
I believe you are suffering of this problem.

HTH

TH


EMC Technical Alert for NetWorker

February 28, 2007 

EMC Software issues technical alerts to proactively communicate
information to EMC Software customers when a product issue may cause
unexpected behavior or any kind of data loss. 

Please read and utilize the information in this technical alert to avoid
any situation that might arise from the problem(s) described herein. If
you have any questions regarding this technical alert, please contact
EMC Software Technical Support.

Read this note if you are:
Currently using advanced file type devices and staging on EMC NetWorker
Server or Storage Node 7.x.x (all supported operating systems).

Vendor Name:
EMC, Inc. 

Description of Problem
Security: Potential for data loss on Advanced File Type devices
In certain rare occurrences with the use of advanced file type devices
and staging, under an extremely heavy load, savesets may be removed from
the advanced file type device before they are staged to another volume
and cannot be recovered. Such instances are confined to advanced file
type devices only and occur in highly exceptional conditions.

Problem Resolution:
Although the possibility of this problem is small, EMC strongly
recommends that you install the fixes made available on all NetWorker
Servers and Storage Nodes configured to use advanced file type devices
and staging. A hot-fix is available for NetWorker 7.2.2 Jumbo and the
fix for 7.3.x is included in the full package release, 7.3.2 Jumbo
Update 1. Consequently, customers at 7.2.x or lower will need to upgrade
to the 7.2.2 jumbo version of NetWorker located on Powerlink at [Home ->
Support -> Downloads and Patches -> Downloads D-R -> NetWorker]
then apply the hot-fix.

To access the NetWorker 7.2.2 Jumbo hot-fix, go to:
ftp://ftp.legato.com/pub/NetWorker/Updates/LGTpa92822

To access NetWorker 7.3.2 Jumbo Update 1, go to:
ftp://ftp.legato.com/pub/NetWorker/Updates/732JumboUpdate1

and download the appropriate version for your environment. A readme file
is included in the ftp location.
For a technical description regarding this issue (LGTpa94099) and the
fixes please review Knowledge Base article esg80364 and the "Fixed
Problem" section of the NetWorker 7.2.2 or 7.3.2 Release Notes available
on Powerlink [Home -> Support -> Documentation/White Paper Library ->
Software J-O -> NetWorker] 

Please read and utilize the information in this product alert to assist
in avoiding any situation that might arise from the problem(s) described
herein. If you have any questions regarding this product alert, please
contact EMC Software Technical Support via http://powerlink.emc.com/.

Best Regards,
EMC Software Technical Support


 


Kind regards - Bien cordialement - Vriendelijke groeten,

Thierry FAIDHERBE

HP Services - Storage Division
Tru64 Unix and Legato Enterprise Backup Solutions Consultant
                                  
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                             Mobile :   +32 (0)498/  94.60.85
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Enterprise number 0402.220.594 - RPM/RPR Brussels
 
-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On
Behalf Of Vince Howard
Sent: jeudi 24 mai 2007 11:29
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: [Networker] Disk read / write problems with NetWorker

Hi,
 
Before I raise a call with HP, I just wanted to check whether anyone has
seen these problems with adv_file disks under NetWorker v7.2 Build 494
(7.2.2 Jumbo).
 
Problems writing:
 
05/24/07 01:34:37 nsrmmd #10: Cannot write to
\\nwstore\f$\DiskStore2\84\83\1e6c5dd1-00000006-9354d604-4654d604-016e00
00-0a454501
<file://\\nwstore\f$\DiskStore2\84\83\1e6c5dd1-00000006-9354d604-4654d60
4-016e0000-0a454501>  - errno=22
05/24/07 01:34:37 nsrd: media emergency: Cannot write to
\\nwstore\f$\DiskStore2\84\83\1e6c5dd1-00000006-9354d604-4654d604-016e00
00-0a454501
<file://\\nwstore\f$\DiskStore2\84\83\1e6c5dd1-00000006-9354d604-4654d60
4-016e0000-0a454501>  - errno=22

 
Problems reading:
 
05/22/07 16:12:44 nsrd: cloning session:1 of 5 save set(s) reading from
daily.disk.backup.002 3278 MB of 4970 MB
05/22/07 16:15:29 nsrmmd #9: Read operation failed and aborted.
05/22/07 16:15:29 nsrd: nw_server:cloning session done saving to pool
'Daily Stage' (daily.stage.05.G)
05/22/07 16:15:29 nsrd: cloning session:save sets done reading 4970 MB
05/22/07 16:15:29 ansrd: ansrd_clone FAILED: errnum is 15022 and errstr
is cannot open
\\nwstore\g$\DiskStore4\39\06\58c86b22-00000006-a6463db6-46463db6-025b00
00-0a454501
<file://\\nwstore\g$\DiskStore4\39\06\58c86b22-00000006-a6463db6-46463db
6-025b0000-0a454501>  file: Invalid argument
05/22/07 16:15:29 ansrd: failed to execute MODE_CLONE
05/22/07 16:15:30 nsrd: write completion notice: Writing to volume
daily.stage.05.G complete

 
 

Best Regards,

Vince
 


Vince Howard
Programmer/UNIX System Administrator
IT Section
Wansbeck District Council
Front Street West
Bedlington
Northumberland
NE22 5TU
UK

Tel (DDI): +44 (0)1670 843472
Fax:       +44 (0)1670 843484
e-mail:    v.howard AT wansbeck.gov DOT uk
Web:       www.wansbeck.gov.uk <http://www.wansbeck.gov.uk/> 



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