CWMR not backing up after 4.2 update - Nexus 7 Q&A, Help & Troubleshooting

I've been trying to do a backup of my 4.2 stock rom and its not working. It goes through the motions like it successfully completed but it doesn't save. Anyone have any suggestions?
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Check in /data/media/ for a clockworkmod or CWMR folder (not sure what it names it's folder, I use TWRP)
Pretty sure it's due to 4.2 changing the file structure

devilsmack said:
I've been trying to do a backup of my 4.2 stock rom and its not working. It goes through the motions like it successfully completed but it doesn't save. Anyone have any suggestions?
Sent from my Nexus 7 using xda app-developers app
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Most likely it's backing up but it's backing up to /data/media which you do not have access to once you are in Android. Can you see it when you tap "Restore" in CWM but not in ROM Manager? If this is the case I wrote up a solution for this that solved this issue for me http://forum.xda-developers.com/showthread.php?t=1991657.

I know it not backing up because I have the same amount of storage that I had before the backup.
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Related

[Q] CWM Can't delete backups

I just noticed that if I browse to /sdcard/clockworkmod/backup I cannot delete any of the backups. I I've tried with ADB and Terminal Emulator and ES File Explorer. Same error on all 3. Having the same issue on my brothers N7. Any ideas? Anyone else tried this and not have issues?
Mr. Monkey said:
I just noticed that if I browse to /sdcard/clockworkmod/backup I cannot delete any of the backups. I I've tried with ADB and Terminal Emulator and ES File Explorer. Same error on all 3. Having the same issue on my brothers N7. Any ideas? Anyone else tried this and not have issues?
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I should mention I have tried fixing permissions. No luck.
You have to boot into recovery and install a zip file to delete them, it's in a thread here ( just use search ) or I can put in in my drop box. Only thing is it deletes all if you have more than one. Hope this helps.
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Gigabitex2 said:
You have to boot into recovery and install a zip file to delete them, it's in a thread here ( just use search ) or I can put in in my drop box. Only thing is it deletes all if you have more than one. Hope this helps.
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Why is it that way? That's weird. I also just tried changing permissions on a /system/app file and also got denied.
Not sure why we can't do it easily like other devices. This is the only way I've found that works. I got the zip file in a thread here somewhere, works well for me! No issues.
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---------- Post added at 10:12 PM ---------- Previous post was at 09:49 PM ----------
Here is the thread I got it from http://forum.xda-developers.com/showthread.php?t=1900712 good luck.
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try deleting backup from file explorer..i tried ES File Explorer https://play.google.com/store/apps/details?id=com.estrongs.android.pop&hl=en
I recommend to use TeamWin recovery.
CWM stores backups as a collection of blobs. So there is no shingle file that corresponds to a backup. On other devices you can choose to use tar backups, but not on the N7.
I ended up with 2 GB used by blobs when I only had one backup. That's when I switched to TWRP, which does the smartly thing if sitting backups as tar files.
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BillGoss said:
CWM stores backups as a collection of blobs. So there is no shingle file that corresponds to a backup. On other devices you can choose to use tar backups, but not on the N7.
I ended up with 2 GB used by blobs when I only had one backup. That's when I switched to TWRP, which does the smartly thing if sitting backups as tar files.
Sent from my Nexus 7
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Yes, I forgot to mention that I use an older version of cwm that doesn't have the blob issues the newest has. I will likely switch to twrp in time, I like how you can store backups to USB with otg!
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[Q] .zip no longer visible in Recovery

I've tried CWM touch and standard as well as TWRP, and zip's are no longer visible to any of them? I'm on CM10.1 nightly.
Any thoughts on a fix?
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Ate you pointing the recovery to the correct directory? Also, did you update your recovery to the latest version?
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najaboy said:
Ate you pointing the recovery to the correct directory? Also, did you update your recovery to the latest version?
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Yes and Yes, and i've tried other directories. Oddly if using TWRP's file manager I can see the files, but not when I choose install from .zip Unless there is a directory to the files that i'm not aware of. I've tried 0 and legacy
I feel like there is probably something really obvious, but it's very frustrating.
FIXED
I backed up the content of my "SD" Card and deleted all files, I deleted both 0 folder and legacy folder and then put a zip back in to see if it was viewable, and sure enough it was.
Doesn't make any sense, but it worked so good to go

[Q] Restoring from Nexus Toolkit Backup

Last night I flashed a kernel and it caused a bootloop. No problem I have a backup from a few days ago. I will wipe data and flash cm and then restore tomorrow. So I flashed CM. When I went to restore via the nexus toolkit it wouldn't connect to my device. It was the new adb signing thing. So I updated the toolkit into a different folder to make sure I didn't lose the backup.
The thing is I cant find how to make the backup visible to the toolkit. I've tried putting it in the same folder as the previous version but it doesn't show on the toolkit. I've tried using NANDROID in CWM but it can't find a directory or something. What is the best way to get this backup restored? Can I get it into the toolkit?
Thank you for the help. I am at a loss of what to do here.
No one?
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One more try and I'll give up.
I'm not to familiar with the tool kit but you can push it to cwr directory
mnt/shell/emulated/clockworkmod/backup
You can use adb to push or use a file explorer to move it over .(transfer to SD then use file explorer move to new directory)
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Thank you so much. I just couldn't find the folder. This is my first device without a real SD

Can't find folders in CWM Recovery.

I just flashed cwm touch and when I was about to root. I put my zip file in the phone but when I booted to recovery, it doesn't see the zip file and the other folders that I have in my phone. Anyone who can help me on this? Because of this issue I am not able to flash a ROM. You're help will be greatly appreacited. Thanks!
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Open the folder called 0. It should be in there
Cwm uses the true root for storage and not the directory that android sees.
Cwm default directory - /sdcard/
Android default sdcard directory - /sdcard/0/
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Error during cwm backup

I keep getting this error when I try to do a backup from the ROM manager app.
E:unknown volume for path [/sdcard/clockworkmod/backup/1.2014-06-15-22.24.53]
Using the app to make a backup used to work. Trying to save to external.
How do I specify the destination?
I can the backup manually, which I've done via rebooting into recovery and choosing the option to install to sdcard1.
Idk what to do to have the app select the correct path.
Any help appreciated.
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You don't say what operating system you are using and what version of CWM.
Edit: Your other post says you are now running CM11 and CWM v6048. That is why it is different, you just installed a new CWM. v6048 uses a different path for backup. I don't know how to fix it for you with ROM Manager.
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Cwm 6048. Cm11
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