When I try to restore certain backups in CWR it says MD5 mismatch. Wat causes thus? It seems to be the name.
Note: I'm not altering the number sequence. Just adding to the end.
Is it cuz I use numbers or wat?
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I had a few instances of this happening before and when I opened the .md5 file located in the nandroid backup folder and actually ran the md5sum myself I got a mismatch. I don't recommend changing the .md5 file to the correct md5sum.
To check it yourself, use terminal:
Code:
cd /sdcard/clockworkmod/backup/<path to nandroid>/
cat nandroid.md5
md5sum *.img
There you can see if there are discrepancies.
Awesome. This forum's become soooo essential to me. Tundra 4the help.
Sent from my ADR6400L using XDA App
Im having the same issue. If i rename a backup in RM and then try to reflash it, I always get MD5 mismatch. So whats the solution?
yo, i found a solution that worked for me:
just rename the the folder to its original tittle fx. "2011-06-30.15.21.11"
and then try restore again !
MD5 checks the integrity of the entire file.....you change something (even the name of the folder) and the MD5 checksum will fail.....I never rename my nandroids, nor any .zips I flash....I've never downloaded anything from here that was named in such a way that I wouldn't know what it was....
xNitebreedx said:
MD5 checks the integrity of the entire file.....you change something (even the name of the folder) and the MD5 checksum will fail.....I never rename my nandroids, nor any .zips I flash....I've never downloaded anything from here that was named in such a way that I wouldn't know what it was....
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I'm calling foul on this one. I have renamed my folders for over a year without issue. Only had one problem recently with updating to CM7 on DroidX (using new 2nd init recovery). As long as there are no spaces in the folder name it works fine.
Read somewhere before that not enough space on your sd card may cause MD5 errors. I always thought recovery might have to 'unpack' the files somewhere to restore and if there's not enough space then it would produce an error. I have not tested this out myself.
md5's are stored for each .img not for the entire folder. As someone else said, I've been renaming backups for about 18 months on devices. As long as you don't include spaces (if renamed with RM it should warn you of this) you're fine. Chars like "- . _" are fine just no spaces.
Related
I've got 3 CWM backups on the internal memory of my Samsung SG2.
I tried to restore one and it failed on md5 mismatch/error (or something to that effect...) - tried the others - all returned the same error, yet when I'd actually backed them up, they all completed successfully.
The one thing I did to them all, was give them a more recognisable name, rather than just the date & time so I knew which ROM they were...so out of interest, I backed up my existing (new) Cognito ROM while still in CWM, then when it had finished the back up, immediately tried to restore the newly backed up ROM....and it worked! Is it failing on the others because I've renamed the CWM backup folder?? I'm sure I've done this in the past on my old HTC Desire, and had no problems
Also, is there a way to rescue the backups I've done by generating a new md5 checksum for the renamed backups...or are they toast now??
Thanks for any help...
Willie_Heckerslyke said:
Also, is there a way to rescue the backups I've done by generating a new md5 checksum for the renamed backups...or are they toast now??
Thanks for any help...
Click to expand...
Click to collapse
Google and you will find:
# cd /sdcard/clockworkmod/backup/2010-06-29.20.22.53 (Which is your clockwork mod backup folder)
# rm nandroid.md5
# md5sum *img > nandroid.md5
Do this from a terminal emulator or from adb...
Thanks karendar...but I'm afraid I'm a bit crap at adb and that kinda stuff
I've downloaded an emulator off the market and when I fire it up, I got a $ prompt; found out how to get # prompt but when I put all that in, it gives the following error:-
"md5sum: can't open '*Img': No such file or directory"
When I looked inside the backup folder, there are a series of img files so is the wildcard * is to be put for each file in the back up folder? (I tried one of them - the boot.img file in there, this time there was no error brought up....but I also never got any 'success' confirmation or anything
Help
(BTW....whenever I type the letter 'i' - it changes into a capital 'I' all the time... What's that all about??)
**Bump** anyone??
Rename your backups and make sure there are no spaces in the names. Or keep them to a maximum of one space.
That way there will be no problem with md5 mismatch.
Considering your issue with md5sum: turn off autocorrection in your keyboard settings, and then make sure the command you are typing is
Code:
md5sum *.img
Note that as Android is Linux, capitalisation matters, and *Img will return no results at all.
Thanks dude, i had the same problem on my P500, and your tip helped a lot!
Especially since my phone was stuck in a bootloop and my recoverys wouldnt work... You learn something every day!
Gasai Yuno said:
Rename your backups and make sure there are no spaces in the names. Or keep them to a maximum of one space.
That way there will be no problem with md5 mismatch.
Considering your issue with md5sum: turn off autocorrection in your keyboard settings, and then make sure the command you are typing is
Code:
md5sum *.img
Note that as Android is Linux, capitalisation matters, and *Img will return no results at all.
Click to expand...
Click to collapse
..
I recently tried a new ROM and made a Rom Manager recovery restore file prior to changing. Things didn't work out as well as I had hoped and when attempting to restore, it fails at the checking MD5 sum process.
Any way to work around this? I really would like to restore to the previous ROM without starting over.
Anybody? I am not quite sure how the restore file can be created on this phone and then not pass verification?
Any ideas or am I stuck starting over?
sandiegopaneraiguy said:
Anybody? I am not quite sure how the restore file can be created on this phone and then not pass verification?
Any ideas or am I stuck starting over?
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Click to collapse
depending on the type of file format used to backup, the restoring could be done manually but a changed md5sum generally means the files are not the same as the original. this could result in corruption and generally it isnt recommended to restore corrupted files as you run the risk of nothing working.
if you're still wanting to proceeding with attempting to restore files which are different than the original and could be corrupted, off the top of my head, you can probably dd the .img files back and untar the .tar files back.
i would suggest starting over and perhaps copying the backup files over to your desktop instead of only leaving on the sdard. this should help ensure at least one of the copies maintains their integrity.
hope that helps!
You can boot into recovery, and run nandroid via adb shell command line, no md5 checksum file needed. Now if the image is bad, you of course get bad results, but if the checksum is just hosed for some reason, it will work fine.
Put the .win files for the partitions you want to restore in /sdacrd
then issue the command "tar xvpf /sdcard/data.win" or "tar xvpf /sdcard/system.win" from the adb shell while in /data or /system respectively. .win files are what TWRP creates for backups.
I had this happen with TWRP 1.01 or 1.02 once on a good backup that passed the checksum tests when I backed it up.
I was testing the reliability of the TWRP package's nandroid and first one failed.
Once I moved to the newer version, I've not had that issue.
Went to install a backup made with CWM today. This is the first time I've done a restore on this phone. Went to restore and am getting an MD5 mismatch on all 3 of my backups!
I have not moved the files or changed their names. They are right where CWM put them.
I've had trouble with the newer versions of CWM in the past that use the TAR files instead of an image file.
I deleted the MD5 file and through terminal did a md5sum *.* > nandroid.md5 to create a new MD5 file but it doesn't work. Is the *.* a proper way to wildcard all files in the directory under linux? Is this the correct way to do it or is it just one of the files I should be doing the MD5 for?
Thanks for the help!
Mike
Can't believe no one has an answer for this.
I did answer my question about the proper syntax for the MD5, it's: md5sum * > nandroid.md5 in case anyone wants to know.
I did finally get my phone to restore. I removed the RAZR bootstrap and reinstalled it and bang, it installed just fine.
Mike
Can you say exactly how you did it? Would be quite interested to know.
Question guys. I'm trying to restore a nandroid backup and keep getting the md5 checksum mismatch error. I have a few nandroids that work at the moment. I know this is a stupid question but I thought worth a try. If I replace the files from the nandroid backup that gets the md5 error and move all the files over to a nandroid thats working, is this possible? The only file I won't be replacing is the nandroid.md5 file. I've moved the boot, cache.ext4, data.ext4, system.ext4 files that I would like to restore. Thanks in advance guys!
Please close thread. Got it fixed!
stevehkim said:
Please close thread. Got it fixed!
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Put [SOLVED] in the title and edit your post to reflect what you did.
Just for future reference there is a guide on how to fix this found here: http://forum.xda-developers.com/showthread.php?t=976453
# md5sum *img > nandroid.md5 not executing
Iam trying to execute the commands listed to fix mismatch error but on executing
# md5sum *img > nandroid.md5 an error comes saying "md5sum: not found"
what could be the reason.plz help?
coolboyforeva said:
Iam trying to execute the commands listed to fix mismatch error but on executing
# md5sum *img > nandroid.md5 an error comes saying "md5sum: not found"
what could be the reason.plz help?
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Actually if you're trying to restore a backup and get that md5 mismatch error it usually means that there is characters in the backup's folder name that it won't recognize, try renaming the backup folder name with no spaces or hyphens, I usually only use letters and numbers with no spaces, try that and it should be ok at that point...
EDIT: Also I don't recommend moving the files into a working backup folder as the md5sum is generated for each specific backup and you could have problems if the md5sum doesn't match the files that they were created for...
goldeneagle1972 said:
Actually if you're trying to restore a backup and get that md5 mismatch error it usually means that there is characters in the backup's folder name that it won't recognize, try renaming the backup folder name with no spaces or hyphens, I usually only use letters and numbers with no spaces, try that and it should be ok at that point...
EDIT: Also I don't recommend moving the files into a working backup folder as the md5sum is generated for each specific backup and you could have problems if the md5sum doesn't match the files that they were created for...
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I renamed the folder to abcdef123 and tried restoring the ICS backup (downloaded from a thread here) thru CWM but same result.. md5 mismatch.
I restore GB backup but it gets restored everytime.
Also i have checked the md5 checksum of each file thru a pc software.. and they are correct.. same as calculated by s/w
problem lies smwhere else..!?!?!?!?!?!???
does any1 knows some other location of ICS backup other that this http://forum.xda-developers.com/showthread.php?t=1888536
plzz share if you know !
So, I wanted to rename my Nandroid backup folder name so it could be easier to know which file is what. However, I didn't knew this was going to cause MD5 mismatch problem.
So, there is anyway to me to recover my backup folder name and restore my backup?
EDIT: Forget i. I just had to put no spaces between the letters.
Felimenta97 said:
So, I wanted to rename my Nandroid backup folder name so it could be easier to know which file is what. However, I didn't knew this was going to cause MD5 mismatch problem.
So, there is anyway to me to recover my backup folder name and restore my backup?
EDIT: Forget i. I just had to put no spaces between the letters.
Click to expand...
Click to collapse
Didnt know that, good to know
Felimenta97 said:
So, I wanted to rename my Nandroid backup folder name so it could be easier to know which file is what. However, I didn't knew this was going to cause MD5 mismatch problem.
So, there is anyway to me to recover my backup folder name and restore my backup?
EDIT: Forget i. I just had to put no spaces between the letters.
Click to expand...
Click to collapse
If it happens again all you have to do is change de md5 values in the file nandroid.md5 (located in the backup folder) with the correct values for each file.
But only do that if you are sure that the backup files are not corrupted.
cafrocha said:
If it happens again all you have to do is change de md5 values in the file nandroid.md5 (located in the backup folder) with the correct values for each file.
But only do that if you are sure that the backup files are not corrupted.
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Click to collapse
In case anyone finds this off a search, I had the same problem. If manually rehashing the .img files (http://forum.xda-developers.com/showthread.php?t=714114) doesn't work, make sure the folder name you used doesn't have spaces. I renamed the folder with underscores, problem was fixed.