Cannot mount system - Zuk Z1 Q&A, Help & Troubleshooting

Hey. I've got a error in twrp while before flashing a rom we wipe all data dalvik chache and system, so it says that cannot unmount system device or resource busy. And that is the reason i cannot switch to any other rom. Anybody knows the fix ??

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Unable to mount cache N9005

hi all
Im having problems with my n9005. everytime i boot into recovery, be it cwm or twrp, i receive an error message saying:
E: can't mount /cache/recovery/command
E: can't mount /recovery/log
E: can't open/cache/recovery/log
E: can't mount /cache/recovery/last_log
E: can't open/cache/recovery/last_log
I have tried some fixes i have found on xda and youtube but no luck. ive also tried different versions of cwm.
any help
forgot to say im unable to wipe cache, error came when wiping cache
hi, have you found the solution?
i have the exact problem here.
now im not able to wipe cache and dalvik cache
liewkingyan said:
hi, have you found the solution?
i have the exact problem here.
now im not able to wipe cache and dalvik cache
Click to expand...
Click to collapse
scrott901 said:
forgot to say im unable to wipe cache, error came when wiping cache
Click to expand...
Click to collapse
hello there
im having the same issue with twrp and installed twrp 2.8 also the problem remains
but ive read somewhere a way to solve it and im trying it while we im writting
update: dont try this method .. it didnt work for me
you need to install twrp or cwm
you need an app to make a nandroid backup
1-make nandroid backup
2-reboot into recovery
3-restore ( only restore cache ) and this should fix it
Try this;
Install TWRP 2.8.X.X.
Go to "Wipe"
Go to "Advanced Wipe"
Check "Cache" partition
Klick "Repair or change file system"
Klick "ext4"
This should fix cache mounting issues. Have been told from TWRPs Note 3 maintainer that it's caused by secure wipe. He's disabled it on 2.8.x.x. I don't think any CWM version has this option.
nitrousĀ² said:
Try this;
Install TWRP 2.8.X.X.
Go to "Wipe"
Go to "Advanced Wipe"
Check "Cache" partition
Klick "Repair or change file system"
Klick "ext4"
This should fix cache mounting issues. Have been told from TWRPs Note 3 maintainer that it's caused by secure wipe. He's disabled it on 2.8.x.x. I don't think any CWM version has this option.
Click to expand...
Click to collapse
tried all of them in step 6
ext4 exfat fat nothing works ... gonna twrp released 2.8.0.1 ( just saw it and installed it to my S3 ) yesterday i downloaded the 2.8.0.0
also the method i used did not work ... when i tried to restore there is no cache loooooolz

Twrp problem

Can anyone help me i today try wipe dalvik cache and cache but in twrp i get error unable to mount /cache or something that i use twrp 2.7.1.0

Unable to mount Cache

I keep getting this message on TWRP (Unable to mount Cache)
When I try to wip dalvik cache/cache.
Then the device freeze and reboot into bootloop so I have to flash a new firmware via Odin all over again!
This happen too when I flash the xposed framework even if I didn't Wipe dalvik cache/cache.
I'm facing this problem on both kitkat and lollipop
HELP ME PLEASE!

Unable to mount storage while wiping cache

Whenever I clean cache, through TWRP Recovery, it shows
'Formatting cache using make_ext4fs function.
Updating partition details . . .
. . . done
E:Unable to mount storage'.
I am using CM 12 . 1
It was working properly few days before. But, one day I did clean flash Hexagon ROM (wipe dalvik cache, system, data, cache). It was done successfully.
but, it had some bugs. So I again flashed CM 12 . 1 . But, while I was wiping cache + data + system + dalvik cache, from that time, this error is coming.
Now . . . this error is coming always.
Please help me to out from this problem.
:crying:
hexagon rom people are facing some of these issues
you need to flash a stable rom like CM12.1 via fastboot
vist yu-popcorn-yureka.blogspot.in for details, and steps

Fix For System and Data Partition Corrupt/Not Mount

Hi.
I Have a problem on my SM-G900M (Klte)
After Interrupt(I pull off battery of a freeze while wiping System Partition) a Wipe in System Partition,
I Tried to flash Stock Firmware, Not Starting up, Not Booting
I Try to install a Custom ROM, Wiping not Working (TWRP 3.0.2-2): Could not mound /Data and unable to find crypto Footer.
"Failed to mount "/Cache /System /Data"
"Failed to Wipe Dalvik, System/Data, Cache, Internal"
How i Solve this problem?
Thank you.
EDIT:
I FOUND SOLUTION
I go to Wipe Section in TWRP, Repair or Change partition
System and Data, Changed Ext4 to EXTFAT
And changed back to Ext4
Partition Working normal.
killerBRs said:
Hi.
EDIT:
I FOUND SOLUTION
I go to Wipe Section in TWRP, Repair or Change partition
System and Data, Changed Ext4 to EXTFAT
And changed back to Ext4
Partition Working normal.
Click to expand...
Click to collapse
Nice to notice you find a solution to your pb.
And nice to see you explaining how you fixed it.
Best regards
Franck
Thanks helped solve a flashing problem
This was just what i needed as i had forgotten my partitions had been encrypted.
Great clear explanation worked great for me :good::laugh:
killerBRs said:
EDIT:
I FOUND SOLUTION
I go to Wipe Section in TWRP, Repair or Change partition
System and Data, Changed Ext4 to EXTFAT
And changed back to Ext4
Partition Working normal.
Click to expand...
Click to collapse
I love you
[HOWTO] [GUIDE] Repairing corrupted /data partition
[HOWTO] [GUIDE] Repairing corrupted /data partition
I had an experience the other night that I found rather frightening and enlightening, and felt the need to contribute my learning. I attempted to install a new ROM on my Nexus 5 and encountered a freeze during the /system write process. I waited...
forum.xda-developers.com

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