[cisco-voip] Media Check?

[Ryan Ratliff]

So the media check actually does an md5sum check of the disc image.  It is more than just a physical disk check.

-Ryan

On May 21, 2010, at 3:19 PM, Jason Aarons (US) wrote:

> I had assumed the Media Check did some sort of checksum or verified some files or something more complex.
>  
> From: Ryan Ratliff [mailto:rratliff at cisco.com] 
> Sent: Friday, May 21, 2010 3:09 PM
> To: Scott Voll
> Cc: Jason Aarons (US); cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] Media Check?
>  
> I believe the media check simply checks the physical disk (ie making sure it can read from all sectors, etc).   If this is the case then it is entirely possible that the date required for the install is not on a part of the disc the media check detects as faulty.
>  
> On a separate, but related note, for downloaded files that you burn to ISO, always make sure to verify the md5 sum.  A corrupted download of an iso file will burn just fine, but still result in a failed install.
>  
> -Ryan
>  
> On May 21, 2010, at 3:01 PM, Scott Voll wrote:
> 
> 
> did an upgrade of CM 5 to 7.  Same kind of issues.
>  
> but it failed on the original and worked on the burned DVD.
>  
> Weird.
>  
> Scott
> 
> On Fri, May 21, 2010 at 11:47 AM, Jason Aarons (US) <jason.aarons at us.didata.com> wrote:
> I made a ISO image of my New Install 7.1(3) DVD (03/31/2010  10:41 AM     3,358,169,088 UCSInstall_UCOS_7.1.3.30000-1.sgn.iso)
> 
>  
> I can mount the ISO fine in VMWare Workstation 6.5 or VMWare Server 2.0 and install CallManager 7.1(3) fine without running the Media Check.
> 
>  
> I later re-ran the install this time choosing Media Check and notice that it fails the media check! Is there some sort of issue with Media Check? I then burned the iso to DVD and did another install fine, but later ran the Media Check and found the DVD had failed.  What's up the Media Check failing?
> 
>  
> I then had 3 other co-workers compare the file size and they all confirmed the same file size as 3,358,169,088.
> 
>  
> Everything works great just the Media Check fails.
> 
>  
>  
>  
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