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[Q] Unable to mount data partition read/write

Hey
I'm trying to change from Prime to Revolution ROMs, but during wiping, I seem to be hitting a problem. When coming to wipe /data, it says it can't remove bootanimation.zip. I'm trying to go in via adb and do this manually, but it won't seem to let me mount /data as read write.
I'm using adb shell while in recovery, and it isn't giving an error message, just constantly staying as ro. This is using clockword recovery 3.2.0.1.
Anyone know what else I can try?
Thanks for your help.

Do you want to give it a try with root explorer?

Forgot to mention, since I've tried wiping, it now just bootloops. Recovery is all I can get into.
edit:
Just to make it clearer what's happening, I'll do it step by step:
- Load recovery, and open adb shell on my PC
-Mount data in recovery, check it in adb shell and it shows it as read/write
-Go to delete a directory or file, and it say's it's read only, check mounts and it's gone back to ro
-If I unmount and remount, it will go back to being RW, but then the same as above happens.
-My problem is when I try to wipe or format in recovery, it gives an error saying it can't delete a certain file

Managed to fix it now. It appears that while using the Superwipe Full script for Revolution ROM, the file table got completely messed up. I used parted to reformat the data partition as ext2, and I can boot now.

I've managed to get that awful Rom (Destroyer) Manager off of my TF101G and have got Rogue on via PERI and now I'm trying to flash the stock ASUS ICS Rom but can't delete the Dalvik Cache because I'm unable to mount /data
Code:
- - Wiping all user data - -
Formatting /data...
Formatting /cache...
Formatting /sd-ext...
Formatting /sdcard/.android_secure
Cache wipe complete.
Formatting /cache...
Cache wipe complete.
Wiping dalvik-cache...
Error mounting /data!
I'm assuming that /data is stuck on read only?
Manually fixing permissions and then mounting /data also shows the same error.
HELP :crying:

What am I missing??

I was trying to install a custom ROM on my infuse, but bricked it. Now I ODIN back and can get to either the CWM recovery screen OR the Android system recovery 3e screen but here is where it gets weird, I cannot figure out for the life of me why I cannot flash from a zip file, I always end up with both recoveries telling me that my storage is not pre-paired yet. The read out goes some thing like this:
--Copying media files...
E:failed to mount /dbdata (file exists)
E:copy_dbdata_media: Can't mount /dbdata
your storage not prepared yet, please use UI menu for format and reboot actions.
Media files copy failed.
Please if anyone has a idea, shoot me your thoughts. Thanks in advance

What rom are you trying to flash?
You are on stock froyo, correct?
What method are you using to get cwm?
Sent from my sweet & buttery Infuse

please help me!!!
i have the same problem rogers infuse

dormankenneth said:
I was trying to install a custom ROM on my infuse, but bricked it. Now I ODIN back and can get to either the CWM recovery screen OR the Android system recovery 3e screen but here is where it gets weird, I cannot figure out for the life of me why I cannot flash from a zip file, I always end up with both recoveries telling me that my storage is not pre-paired yet. The read out goes some thing like this:
--Copying media files...
E:failed to mount /dbdata (file exists)
E:copy_dbdata_media: Can't mount /dbdata
your storage not prepared yet, please use UI menu for format and reboot actions.
Media files copy failed.
Please if anyone has a idea, shoot me your thoughts. Thanks in advance
Click to expand...
Click to collapse
try this:
reboot recovery
factory reset
wipe cache
wipe d cache (in advanced options on cwm)
got to mounts and storage
format system
format boot
format cache
and format data
flash rom
after rom is done flashing
wipe cache & D cache again reboot
hope this helps, if not checkout this thread should help you skip a few steps >>>> HERE

[Q] CWM cache wipe -> storage corruption?

So I was going to take a nandroid of my Nexus 5 in order to transfer to my RMA device. I have found that device swaps usually go over better using CWM for nandroid instead of TWRP. So I flashed the latest CWM from ROM Manager and booted into it.
I figured I would save space if I blanked the cache, so I initiated a cache wipe. The display become a broken-up Android picture, and the cache wipe did not complete in minutes. I long pressed power to boot into the OS and found that - uh oh - the entire sdcard folder was inaccessible. All app data appeared to be intact but no app could read or write the sd.
Did I just completely bork all my internal storage? Any possible rescue path?
EDIT: OK I flashed recovery over to TWRP and its file manager still shows all my files. So all is not lost. But something went wonky and the OS is confused now.
In TWRP when I try a cache wipe I get:
Updating partition details...
E:unable to mount '/cache'
E:unable to mount '/cache'
E:unable to mount '/cache'
Formatting Cache using make_ext4fs function.
And it sits there chugging the status bar. Been over a minute now.
Aha okay, it finished. Fingers crossed... Yeah OK it's fine now on another full boot.
Still a bit strange though. Normally on any other device I've owned, a cache wipe was a simple matter.

cmstlist said:
a cache wipe was a simple matter.
Click to expand...
Click to collapse
Its an issue on the nexus 5 for some reason, took 5-10 min on my phone before but i think it was fixed in the latest twrp.

peachpuff said:
Its an issue on the nexus 5 for some reason, took 5-10 min on my phone before but i think it was fixed in the latest twrp.
Click to expand...
Click to collapse
Yes, on TWRP 2.6.3.4 it took 5-10 minutes but fixed it. It would seem that there is a simple cache wipe versus fully formatting the partition. If the first fails to work, it proceeds to the full format.

[Completed] Error while formatting /system!

Recently rooted, Samsung galaxy Y S5360
flashed hyperion 8 GM final, all cool till then
then I decided to re-flash my custom rom whose backup I previously created using CWM Recovery 5.0.2.8 broadcom, to see if the backup was working or not.These were the steps I followed:
boot in recovery mode
apply update from sd card
Loaded CWM Recovery 5.0.2.8 broadcom
selected mount and storage
Mount /system, /cache, /data
Went back and selected Advanced.
wipe dalvik cach and wipe battery stats
Went back and wipe data/factory reset and wipe cache partition.
Then Backup and restore, Restore, Choose image and done.
Then restarted and stuck on loading screen.
Then tried re-flashing Hyperion ROM
but this time in Mount and Storage, when selecting mount /system option, the result is Error mounting /system
still I went on and flashed the Hyperion ROM by clearing dalvik cache, battery cache, factory reset, and cache partition and then installing zip from sd card
Still hung on start screen
Tried Backup and restore-->Advanced restore-->Restore System but the following are the results
Checking MD5 sums...
Restoring system...
E:format_volume: format_rfs_device failed on /dev/block/stl9
Error while formatting /system!
What is the probelem and what to do next?

If you look at post #55 HERE the user has the same problem but has fixed it "with Odin". I have no experience with Odin so can't help you there if you're not sure how to go about fixing that, in which case you should ask your question in your devivce's Q&A thread HERE and I would suggest quoting the first post I just sent you do that the member helping you has some idea how to guide you.
Good luck

HTCDreamOn said:
If you look at post #55 HERE the user has the same problem but has fixed it "with Odin". I have no experience with Odin so can't help you there if you're not sure how to go about fixing that, in which case you should ask your question in your devivce's Q&A thread HERE and I would suggest quoting the first post I just sent you do that the member helping you has some idea how to guide you.
Good luck
Click to expand...
Click to collapse
Thanks for the links. Fixed it with ODIN.

HELP failed to unmount cache (device or resource busy)

at first im just failing at wiping cache.
now i cant even restore my TWRP backup.
it is saying "Failed to unmount '/cache' (Device or resource busy)
now my phone got no OS :crying::crying::crying:

I was facing the same problem.recovery twrp>wipe>advance wipe and then select system>repare or change size>change file system>select FAT
after doing it try to restore your backup and if you get error the only way flash your phone to the last build number(avalaible for your phone) and then install twrp recovery(last version).
restoring backup should be work with this method.

you can try this method
Mount>select partitions to mount : cache
select cache and after doing it go for restoring.

R3yN said:
at first im just failing at wiping cache.
now i cant even restore my TWRP backup.
it is saying "Failed to unmount '/cache' (Device or resource busy)
now my phone got no OS :crying::crying::crying:
Click to expand...
Click to collapse
No need to restore /cache partition, exclude it The partition is used by TWRP that's why you can't unmount it.

I still have the same problem persisted. Can't wipe cache with this TWRP recovery. It says can't mount/unmont cache device or resource busy. Restore of the backup was impossible as well. Even when cache was excluded. Changing file types and repairing it also didn' work. In Mount cache is ticked permanently and it can't be unticked.

rrvuhpg said:
No need to restore /cache partition, exclude it The partition is used by TWRP that's why you can't unmount it.
Click to expand...
Click to collapse
Thanks man, i was having the same problem and for some reason, it didnt occur me to exclude the cache

omg i got that eror now, do u have new idea to fix it:crying: ?