I'm using Nandroid and ROM Manager to perform backups, but when I boot into CWM, and choose any backup created by these apps, I get the "MD5 Mismatch error". I've seen plenty of threads how to fix one back-up file, but why does this keep happening? Is there a permanent fix?
Thanks
Related
Last week, when I tried to restore a Nandroid backup in Ra_hero 1.6.2 recovery, the process failed. After checking the recovery log, I found that the system stopped the restore process because the data.img md5 checksum is mismatched.
I then cross-checked the md5 of that data.img with the one in the nandroid.md5 in my PC and found them to be different. I then created another nandroid backup and the md5 is also mismatched.
There's no error message during the backup process. Anyone knows what's the problem?
(I'm currently using VillainROM 5.5)
Have the same problem here with Wildfire.Guess it's the problem because I made a backup from SD to HD ?
StratOS_HTC said:
Have the same problem here with Wildfire.Guess it's the problem because I made a backup from SD to HD ?
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Actually, I've no idea of the cause of this problem. But I remember after upgrading to another VillainROM version, the MD5 checksums are correct again and it's been no problem ever since.
Are you using a custom ROM too?
Hi,
I recently decided to install the N1 partition table, it ended up going very smoothly apart from being able to restore the most recent nandroid backup, MD5 error (or words to that effect).
Not worying too much I just reinstalled CM6.1 from scratch, again all went smoothly.
I then did a nandroid backup and then rebooted then restored the nandroid backup, everything worked perfectly.
I then installed a cooked zip file from http://circle.glx.nl/.
That failed to boot after installing, no prob I thought, just recover from the nandroid backup.
I got another MD5 error from the one that I previously restored from.
So another reinstall, nandroid backup and recovery later it's all ok again.
Unfortunately I'm losing confidence in nandroid now.
Any thoughts ??
Colin
Md5 is a checksum, it makes sure the images your trying to restore are the same as when backed up! Maybe theres a problem with your recovery, flash it again from fastboot, only takes a second
Sent from my HTC Desire using Tapatalk
Aye I know what MD5 is, I just couldn't remember the exact words when the MD5 check failed.
The thing is though that I'd already tested the nandroid image by recovering it, all OK. Then made a change to the ROM tried to restore the same (previously working nandroid backup) which failed with the checksum error.
gol_n_dal said:
Aye I know what MD5 is, I just couldn't remember the exact words when the MD5 check failed.
The thing is though that I'd already tested the nandroid image by recovering it, all OK. Then made a change to the ROM tried to restore the same (previously working nandroid backup) which failed with the checksum error.
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Click to collapse
It can also happen of your Sdcard is failing and the files on it are getting corrupted. Since MD5 is a checksum, a change in even a few bytes could cause issues
I too have faced MD5 checksum issues.
1.copy the files to the sd card via the phone mounted as Disk drive mode
2.Safe remove the device from windows
3.Once you unplug, the device will shortly show "Preparing SD card" in the notification bar. Wait for a full minute
4.Switch off device to boot in recovery.
For me, if i dont wait a minute after unplugging the device, clockworkmod will report the files as corrupt. Maybe the device is updating the inode tables and switching the device off immediately after copying and unplugging causes it to corrupt filesystem tables.
hi...............
when i want restore my backup i see error md5 mismatch WHY????
http://forum.xda-developers.com/showthread.php?t=714114
Might help.
Edit your thread title please to include a brief description of your problem.
It's a problem that happens to a few people and I believe he did describe it. When in recovery and selecting a backup to restore, it just says md5 mismatch. It's caused by the backup actually being corrupt or if you've gone in after the backup was taken and renamed the folder..usually if you put a space in the file name.
ok guys I'm getting an error and I'm not sure how to fix it.
When I try to make a nandroid backup (through recovery or ROM manager) it starts ok, backs up boot image, backs up recovery image, backs up system and data, but when it starts to backup .android_secure on the sd card I get the error...
Error while making a backup image of /sdcard/.android_secure!
What's going wrong? I've tried rebooting a few times, tried to do a backup about five times, but I always get this error.
Any help much appreciated.
Check recovery.log I think there's an option "move log to SD" in advanced or something.
It should tell you a little more.
Sent from my HTC Desire using XDA App
Pls help.
I recently backup my Gnex using Touch CWM before flashing custom kernel. The backup process is successful, but when I tried to restore it, it said MD5sum missmatch. What does it mean and any idea how to solve it?
Thanks in advance.
here's another thread about the matter: http://forum.xda-developers.com/showthread.php?t=1835914
in short, if you have nandroid.md5 then the backup image is corrupt. if, however, you don't, the error you see is due to CWM not being able to find nandroid.md5, then you have to create it yourself as mentioned in the thread.
Woah. I had this problem too, but I didn't have to do any of that to resolve it.
One reason for MD5 mismatch is renaming of the backup folder - apparently you are allowed to append letters at the end of the folder name, but special characters, like space for instance, aren't allowed. (I might be wrong about exactly how you can modify - it depends on the CWM Touch version you're using).
I just removed the changes I'd made to the folder name (the format is yyyy-mm-dd.hh.mm.ss ), and rebooted - presto, CWM restore worked without any hitches