[OpenAFS] possible microsoft excel 2010 corruption issue on openafs volumes

Jeffrey Altman jaltman@your-file-system.com
Wed, 07 Dec 2011 20:06:03 -0500

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Its not a Windows client bug although it is noticed on Windows.
The issue is in 1.6.0 and occurs on volumes with .backup volumes.

A fix will be in 1.6.1.

On 12/7/2011 6:50 PM, Jonathan Nilsson wrote:
> Hello,
> We've had some strange file corruption and missing data issues with
> Microsoft Excel 2010 on a Windows 7 OpenAFS 1.5.78 client.
> 1) A user creates an Excel file on their local drive, then copies it to=

> an AFS RW mount point (via mapped network drive).
> 2) several clients read the file (no changes made)
> 3) at some point the file is no longer able to be opened, or it opens
> but warns of corruption and missing data
> When I recover the file from the backup on the day of the file's
> modification timestamp, the restored file is fine. Curiously, the
> restored file appears identical to the corrupted file: the file size
> (bytes) and timestamp are identical.
> The fileservers housing volumes where this has happened are:
>  CentOS 6.0 2.6.32-71.29.1.el6.x86_64 with OpenAFS 1.6.0
>  RHEL 6.1 2.6.32-131.2.1.el6.x86_64 with OpenAFS 1.4.14
> We have upgraded the client to OpenAFS 1.7.2 (we did this just before
> the 1.7.3 announcement) hoping to fix the issue if it is a bug... Is
> there any known issue with 1.5.78 client that could have caused
> corruption like this?
> --=20
> Jonathan.Nilsson at uci dot edu
> Social Sciences Computing Services
> SSPB 1265 | 949.824.1536

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