[Q] Can't mount /data! - Galaxy S I9000 Q&A, Help & Troubleshooting

When I backup or restore by CWM, I can backup system but data it said "Can't mount /data!"
I'm using cm-9-20120610-NIGHTLY-galaxysmtd
Try to flash many rom but didn't work T_T

Sounds like you could do with installing a stock ROM with.pit as well, hopefully that will sort your partitions out

If you're restoring and get the can't mount /data! message, do the restore again. It usually happens for me especially if I'm restoring to a rom with a different kernel that uses a different cwm recovery

Related

Clockwork Recovery Backup Not Working

I had to restore to 1.0.1 from the new 1.1 ROM due to various issues along with a botched nandroid restore. Now I can't run a nandroid in CWM. It starts fine and then I get the following message:
E:failed to mount /recovery (Block device required)
Can't mount /recovery!
Does anyone know how I can fix this? I'd like to have a fresh backup in case I botch things up again.

[Q] efs mount error

Hello,
I flashed MIUI and it was very buggy for me, all apps were crashing and so on. Then i decided to flash Darky 10.1.
Followed the tutorial without any issues, but after this i got no signal. Snooped around the OS and found out it did not see my sdcard. After booting in recovery mode I saw that it could not mount the efs partition.
If i try to mount it via shell i get:
Code:
# mount /dev/block/stl4 /efs
mount: mounting /dev/block/stl4 on /efs failed: Invalid argument
I unfortunetly have no backup of the efs partition.
Did anyone else experience this problem or has a fix for this?
Push. I have that problem too... I was on Darkys ROM for some months without any flashing problems. Now i wanted to change from Darkys ROM 10.1 (Gingerbread 2.3.4) to Galnet MIUI. I had to downgrade to Froyo and then install the CWM zip in CWM. This was NOT succesful. It always says "Installation aborted (Status 7)". Then i tried to install CyanogenMod 7.1. Upgraded to Gingerbread Stock with CWM 3 and when i first flashed it via ODIN the phone first booted in the standart Android CWM display (dont know the name sry). The phone automatically formated cache etc. but then it showed me 2 times "/efs is not mounted". I was able to boot and to open CWM but ALWAYS when i want to install ANY CWM ROM it shows me the message with Status 7 ...
How can i mount /efs again and make CWM ROM Flashing able again?
Thank you.

why I can't make a backup with CWM?

Hello,
I've tried time by time and i can't make a backup on any rom
ive tried the squadzone's recovery and anothers as THIS and had no success
Everytime
Backing up system...
Can't mount /system!
Click to expand...
Click to collapse
whyy? its possible to backup any rom on SGM ?? (ive tried with stock and custom too)
Thanks for help,
hreyit said:
Hello,
I've tried time by time and i can't make a backup on any rom
ive tried the squadzone's recovery and anothers as THIS and had no success
Everytime
whyy? its possible to backup any rom on SGM ?? (ive tried with stock and custom too)
Thanks for help,
Click to expand...
Click to collapse
the error is stating that while backing up recovery is not able to mount /system
try to mount /system before backing up rom. it can be mounted from mount and storage option
try to reflash latest cwm which is 5.0.2.8
try to wipe cache and dalvik cache before backing up
I think this problem is with stock ROM Or GB.
I was Flashing Emanom v5
I want to backup GB to restore when in need but, CWM v4 throws this errorBackup error
E: Can't open /cache/recovery/log
I Prepared:
1, Flashed GB through odin without SD mounted and android booted.(with sound in Samsung Logo)
2, Changed some Settings in Android
2a, Rebooted again with Mounted SD(to check if booting ssuccesfully with partitioned SD)
3, Now Rebooted to downloading mode
4, Flashed CMW Recovery v4
4a, Here Android succesfully booted, then I Rebooted in CWM.
5, In CWM, it show the error- E: Can't open /cache/recovery/log
6, when I tried to backup it doesn't
7, Wiped data + Cache
8, Re-tried to backup but it throws that err again.
9, Now I booted Android it does'nt boots(show Samsung Logo but no Sound and boot loops)
So I left off and Flashed Emanom
with whole process skipping steps 5-9
Here With Emanom v5, in CWM Recovery
That Error Again but when I backed up successufully towing error again.
Now what Step I left or any wrong do I did.
If backup-ing GB is possible then we could just restore it to flash any custom ROM without flashing through Odin and requirement of computer.
Sent from xda premium
Stock ROMs can't be backed up right ?
Even if you backed up, its not able to restore.
coolsandie said:
Stock ROMs can't be backed up right ?
Even if you backed up, its not able to restore.
Click to expand...
Click to collapse
if it is backed up i think it can be restored easily.
but to make it compatible with stock rom the person(squad) who ported the recovery needed to make the recovery compatible with rfs partition but its compatible with ext partition

Unable to Mount /data Huawei P9 L19c636

After installing twrp i tried flashing liuneage os but somehow messed up. Now i am getting the error Unable to Mount /data. I tried changing file format, repair with no luck. Thanks.
The data partition of the stock rom is different and not usable with lineage (I think because of encryption). You have to reformat it at first.
If TWRP can't mount the data partition, you need to flash the stock recovery, format data from there and then TWRP should be able to mount it again. The stock recovery image is somewhere in this forum.

TWRP - unable to mount /system after restore TWRP backup

Hi every1
Like in title - I have TWRP 3.3.1.0. Flashed Revenge OS, installed & setuped everything what I need. Done the TWRP backup. Tried other ROMs but want to go back to Revenge. When I try to restore that backup in the end of a process TWRP informs me that "Failed to mount '/system/ (invalid argument)" and ofcoz phone didn't boot. Tried to go back to TWRP 3.2.3.0, change the system partition to ext2 and back to ext4 - no luck. Any suggestions?

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