[Q] how to solve /system mounting issue? - Galaxy S III Q&A, Help & Troubleshooting

Hi All,
i think i just softbricked my S3. i was running Omega rom 33.2 and found the phone was unstable. Hence i wiped data, factory reset, clear dalvik cache and etc. after flashing the rom, it got stucked at samsung boot screen.
i even tried to reflash the rom but still failed to boot up. after that i decided to flash stock rom using Odin (I9300ZSDLK2). it managed to boot in but then it got stucked at recovery (failed to mount /system (Invalid argument). i thought it could be something wrong with the /system, i then flash CWM to format /system. obvious i wont be asking for help if that step succeeded. i basically got pawned because i am not able to mount /system. anybody can help me?

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[Q] Can't mount /data

hi
after trying to flash "cm-9.0.0-nozomi.zip" with CWM, my xperia s get stucked in a boot loop. after that i tried to restore my backup with CWM but it couldn't restore /data partition , and i couldn't mount it too. the error is "can't mount /data (invalid argument)" or something like that.
now i can boot to ics but because of not having a mounted /data i can't save anything , and when i reset my phone, it get factory reset-ed.
and i'm using advanced ics kernel 11.
if anyone can help me, it would be very nice.
i flashed a new rom using flashtool and everything seems to be fine.
the CWM in the CM9 is a bit broken
best ist: flash another (any, exept the newest xsx, his CWM is also broken... all another Kernel have a working recovery) Kernel via Fastboot and then work with the recovery from this kernel..

[Q] Cant mount /data

My phone gets stuck in a bootloop, just constantly showing the samsung animation. I can get into both CWM recover and Download mode. I have tried flashing a new rom, wiping everything and restoring a previous Nandroid backup. Now the problem with this is when trying to wipe i get the message error mounting /data and it skips this step. This message appears when trying to factory restore/wipe, restore to previous back up and when trying to mount /data from the mounts and storage menu.
I think the closest I have found to resolving this problem is here:
http://forum.xda-developers.com/showthread.php?t=1840030
Now the problem with this is it is for a verizon galaxy s3, so im assuming not the i9300. Will it be safe to try with an international version?
Or is there any other fix that I could do?
By the way my carrier is 3 if that helps.
Thanks

Stuck on boot; /data partrition busted

So i was playing around with different roms yesterday (tried cm7/9/11) and i must have messed up something when flashing cm11 nightly. After i was unable to flash any rom with any recovery (flashed ok, but then stopped at samsung logo) i tried odin with stock firmware found here http://forum.xda-developers.com/showthread.php?t=1822109
Odin flash went ok but immediatly when phone rebotted, i got errors on /data (fail to mount /data invalid argument) . Now stock rom bootloops and if i flash anything custom, i get stuck on samsung logo.
Also if i try to format /data from stock recovery, i get "E:format_volume: rfs format failed on /dev/stl11)
Any ideas what to do ? It seems that /data partrition is somehow messed up or something..

Samsung s2 bootloop with "cant mount data"

Hello!
Today i was trying to install custom rom 6.0+ or higher on my brother phone (i9100) I found a tutorial on this page:
https://forum.xda-developers.com/galaxy-s2/help/guide-tutorial-samsung-galaxy-s2-i9100-t3538601
I was doing the same and all went good i flash twrp
And there is... A point 4. After changing from ext4 to f2fs data and cache i saw an error e:/data cant mount same with cache.I decided to wipe cache but i couldnt, so i downloaded stock rom and i flashed it by odin after that i hear only samsung startup sound and bootlooping logo.When im going to recovery error with cache dissapered but with data its still visible. E:/data cannot mount (invalid argument)
And now there is a question can i do something to rescue my brother phone? Its really important for me guys pls help me.
And yes i tried factory reset.
I might have a solution
konrino said:
Hello!
Today i was trying to install custom rom 6.0+ or higher on my brother phone (i9100) I found a tutorial on this page:
https://forum.xda-developers.com/galaxy-s2/help/guide-tutorial-samsung-galaxy-s2-i9100-t3538601
I was doing the same and all went good i flash twrp
And there is... A point 4. After changing from ext4 to f2fs data and cache i saw an error e:/data cant mount same with cache.I decided to wipe cache but i couldnt, so i downloaded stock rom and i flashed it by odin after that i hear only samsung startup sound and bootlooping logo.When im going to recovery error with cache dissapered but with data its still visible. E:/data cannot mount (invalid argument)
And now there is a question can i do something to rescue my brother phone? Its really important for me guys pls help me.
And yes i tried factory reset.
Click to expand...
Click to collapse
Why don't you use a different odin version may be much older one or newer one and by the way did u download the right firmware from the right source? Verify whatever I mentioned and give it a try with older odin,or simply follow some YouTube video! Thank me if I had helped you!
Ok i repaired this errors in recovery i install right kernel agaim from this pack (link above) next i install twrp and wipe data cache and other stuff, and when i flashed resurection remix with gapps(and without) my phone get bootloop. I tried cachce data dalvik wipe- doesnt work i tried to flash again this room still bootloop.
How can i repair this? Should i flash by odin stock rom?
konrino said:
Ok i repaired this errors in recovery i install right kernel agaim from this pack (link above) next i install twrp and wipe data cache and other stuff, and when i flashed resurection remix with gapps(and without) my phone get bootloop. I tried cachce data dalvik wipe- doesnt work i tried to flash again this room still bootloop.
How can i repair this? Should i flash by odin stock rom?
Click to expand...
Click to collapse
Try going back to ext4 format instead of f2fs.
If that doesn't work, try flashing stock via Odin then start over with the guide, I believe there is an updated way to upgrade that has the rePIT built in, try finding it and use that guide.
Sent from my SCH-I535 using Tapatalk

(Newbie) HELP! Lenovo Phab Plus PB1-770M (E: can't mount /cache) Stuck in recovery

Hi, I'm new and have a problem of my own doing.
I loaded the recovery mode and attempted to load TWRP without knowing how to activate Fastboot. Unfortunately, I had wiped the cache partition and rebooted the phone.
It resulted in kicking itself into recovery after a failed boot-up into android, as string of E: can't mount /cache showed. I tried to wipe data/facctory reset and try again but I'm stuck.
If anyone has a possible solution/suggestion, I'm open to do it.

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