Would WinRAR detect a corrupted multi-part archive ?

[NoobyDoo]

If you have a multi-part archive created with WinRAR, and then extract the contents from the archive, would WinRAR point out if one of the parts is corrupted ?

I downloaded the trial ver of Visual Studio 2010. The ISO has been split into 4 parts using WinRAR. However when I extract the ISO from the 4 parts, the SHA value is different from the value MS reports. So : would WinRAR point out which, if any, of the 4 files are corrupted ?

I've downloaded the files twice already. Got the same files both times.

http://www.microsoft.com/downloads/...a2-d48e-4040-9b32-27eaf771c5db&displaylang=en

 

[pcgeek11]

It it was corrupted Winrar would have faulted out during the extraction. What ever was extracted was what was Compressed with Winrar.

The archive is not corrupted, but who knows what was done to the files before they were packed....

 

[Emulex]

winrar does test. however bad memory or storage could be the problem.

This is why you want a cpu that has end to end parity - which is basically a server.


Also your malware can modify the contents . and dragging files around can modify the metadata.

 

[Modelworks]

The archive is not corrupted, but who knows what was done to the files before they were packed....

exactly. Rar CRC checks each archive and will notify on failure, but that doesn't mean that the original file wasn't corrupt. ISO extracted from rar should match exactly with the ISO md5 or SHA.

 

[NoobyDoo]

The 4 files were downloaded from Microsoft. link in OP.

 

[manko]

Why not download the the .iso as a single file?

Download the ISO image directly:

If you have a download manager that can handle a large file, click here to download the ISO image directly.

Otherwise try downloading in a different browser (Opera, Chrome, Firefox, IE).

 

[Pretty Cool]

Have you tried burning the ISO & trying to install it anyway? As strange as it sounds, maybe the hash value does not apply to the split parts version. The website lists the hash value under "Download the ISO image directly", not "Download the .exe file and the .rar files on this page".

Maybe their thinking is that the running the .exe will tell you if something is wrong. On the other hand if you download a single .iso directly, there would be no way to check if the download was complete.

 

[0roo0roo]

pretty sure it does, unless you force it winrar used to simply fail on bad archives.

 

[ForumMaster]

from what i see, all then give is the SHA1 of the ISO files. why not download the ISO files directly? that's what i did. downloaded it in an hour.