System image - Lenovo P2 Questions & Answers

What is the partition is System image ?and how i can use it?

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what is /does the pb99img do to the hboot

i have installed the oxgen bravo table , what does the img do , is it just a new image for fastboot /bootloader
It resizes your partitions on your phone. It reduces the /system and /cache partitions and gives you more or less double the /data partition. The data partition is where all your apps get stored so it gives you more space. There is nothing special really, just resizes the partitions.

Dalvik to system partition script ?

Is this possible with the HOX.. given the size of the system partition and the free space available with some roms, could help to free up.space on the internal storage (data) partition.
Is there a script available ?
Titanium Backup can do something like this if you're rooted.
That only does system dalvik, integrates into Rom, recreating odex files..
I'm talking about creating a script so all dalvik is stored on a system partition.
Symlnked or hard linked,..
ie rather that data/dalvik-cache
Have it as system/dalvik-cache
I had a script for my DHD that moved the dalvik to the cache partition, I suggested the system partition with the HOX because of its has so much free space that would be more than adequate to store it..
I might have a look at this script later tonight if I still have it, and see if I can modify it, to work on the HOX for the system partition..
Figured it out..
I have added a patch to the Sense version of the ncx-217_v4_1 Kernel that stores the Dalvik Cache on the System Partition, therefore freeing up some space on the internal storage..
The System Partition is set as Rewriteable on boot to allow this to work..
I know some people say for security reasons System Partition should be left as Read Only.. But then my argument against that is why go to the trouble to root the device in the first place then. ?
Before installing this makes sure you have wiped the Dalvik Cache in recovery..
to install..
Code:
fastboot flash boot ncx_217_v4_1_SENSE_D2S.img
fastboot erase cache
The modules for this kernel don't require to be re-flashed if you have done prior to this already... But I did anyway just to be on the safe side..
Bare in mind if you flash any other kernel after this.. your Dalvik cache will go back to the stock setting, so if you do not have enough space on your Data partition you could run into problems..
To get around this you could always unpack the new kernel, add the patch to the 'init.rc' file then re pack..
For information on how to unpack and repack Boot.img files refer to this thread HERE
For information on how to apply the patch, read the article HERE

Need Help on Updater-Script

Hi I'm trying to format my System partition but not succeeding because it has EMMC partition not MTD and also i cant find the mount points of my devices so if any one here could help me to delete ALL THE FILES AND FOLDERS IN THE SYSTEM folder(i dont want the system folder to be deleted just all the contents of it)?

Default internal memory partition size

<STRIKE>Hi again,
Who hasn't touched their MMC partition? Can I have the default partition table of the device from "parted"? I tried to flash stock img into my phone but it eventually stopped when it was flashing the cache. I presume it's due to the partitioning of the MMC not corresponding on what's on the IMG file. ?</STRIKE>
<BOLD>Update: Found it</BOLD>
https://forum.xda-developers.com/redmi-1s/general/dev-redmi-1s-partition-table-t2907391

System Image Partition

When flashing custom roms, I noticed we never touch system image partition which take up about 3GB of space. What exactly is system image partition for? Is this related to A/B (seamless) system update feature? If I have no intention to go back to MIUI, can system image partition be removed to free up space? Does any custom rom use A/B system update when flashing updates?
THREAD CLOSED
Requested by the OP.
Regards,
shadowstep
Forum Moderator

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