Winrar And Extracting Questions

[manny]

Hey all,

I have many .rxx (.r00,r01..etc), that I have put on dvd to save space on my hdd. But I don't want to delete these files until I am positive that the final iso image that comes out at the end will be exactly identical.

I have done a test in winrar to see if the iso will be extracted without problems. I did 3 tests:

Test #1 - Winrar test with all original files

Test #2 - Winrar test with original .r00 to .r20 replaced with .r00 to .r20 from data dvd i made

Test #3 - With a corrupted .rar file replaced original .rar

Test were done in this order, one after the other. T#1, T#2, T#3, T#1, T#2.

Test #1 took 4mins to complete winrar test. Test #2 took 6mins to complete winrar test. Test #3 started with a error crc for the .rar.

Now my questions are:

1) Can this time difference in any way mean that the iso image, will come out damaged (even by smallest difference)?

2) Does a winrar test mean 100% that the iso image will come out how it was meant to come out?

3) Is it possible for winrar to extract a bad iso image (when it's a perfect iso). or if it's going to be a bad iso, 100% positive that it will warn you by telling you which file will affect it, so that it can be replaced?

(by the way, winrar does not take up my ram)

4) Is there any way i can do a much smaller backup to keep in my hdd, so that if data from dvd is somewhat damaged, it can be repaired?

Thankyou very much for your time and help

Edited October 24, 2007 by sammy

[TheTerrorist_75]

Have you extracted then correctly? Once extracted and you have an uncorrupted ISO just save the ISO to DVD.

WinRAR extraction guide

[manny]

the thing is that the iso is to big for a dvd, thats why i do this...

can someone help me with the questions,plz