On Sun, 11 Aug 2002, Chuck Shirley wrote:

> On Sunday 11 August 2002 07:31, Dale Huckeby wrote:
>>
>>  When I try to move downloaded copies of CD2 I get input-output errors
>>and if I try to burn a CD I get a coaster.  I got good copies of the
>>1st and 3rd CDs (bad copies first try at a Russian mirror) when I went
>>to a mirror in Hawaii.  I've tried three times to download a copy of
>>CD2 that works and no luck so far.  Is this normal?
>>
>>Dale Huckeby
> 
> Hi!
> I have a couple of suggestions.  The fisrt is a mattere if nettiquite.
> When sending a message to a list such as this one, and it is not related
> to another message, please send a _New_ message, rather than _Reply_-ing
> or _Forward_-ing a message from the list, then changing the subject line.
> The resason for this is that replying to a message takes some of the
> header information from that message that the more featureful mail 
> readers use for threading messages, and it effectively "Breaks the 
> thread"  It can be quite frustrating.

  Sorry.  I'd heard the term, but didn't quite realize what it meant.

> On to your problem.  It is a good idea to check your iso filesytem
> images for errors before you burn them.  You can run `md5sum` on the
> iso image file, for example.  Compare this with the md5sum that
> Mandrake has published for the image you are downloading.  If they
> are not the same, your image has some problems.  If you have a
> damaged iso image, clearly, downloading the whole thing will be a
> huge pain due to it's size, so I reccommend just fixing the one you
> have by re-synchronizing it using rsync, which will actually repair
> the damaged image by compareing it with a presumed-good image on
> a remote server using a rolling-dual-crc check of the file, and
> transferring only the parts that are different.  The mathematics
> involved are quite clever, and it produces very good results.  You
> just need to find a server that you can get a good connection to and
> that offers a public rsync service of the Mandrake iso images, and
> you'll be off to the races.  :^)
>
> Something like: (sorry it's one long line...)
> 
> rsync -avP --progress --stats 
>rsync://ftp.proxad.net:873/mandrake-iso/i586/MandrakeLinux-9.0beta2-CD* 
>/local/path/to-put-isos/
> 
> should do nicely, though you may have differnt luck...
> That mirror also has some md5sum file called md5sums.9.0 in the same
> directory as the iso images, you may want to get that as well, to do
> the comparison before you turn your cds.

  I downloaded it, but didn't know what to do with it.

> Best of luck!
> 
> -Chuck

  Thanks!  I'll try this right now.  

Dale


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