[Q] What is the /cache partition for and info about all partitions - Galaxy Note II Q&A, Help & Troubleshooting

Today I have downloaded DiskInfo app and it says Note 2 has 1.3Gb of cache partition, 2Gb of /System 10.5Gb of /Data partition.. When added together it is 13.8 Gb.. However 16Gb claimed memory is 14.9 Gb normally. So 1 Gb is missing.
Does anyone know what is the proper partitioning/foldering/indexing (whatever it is called in Linux world) of and average (or say Note 2) Android phone and what they stand for? So far I know
/system is for installing the ROM itself, it is read only and 2Gb allocated for Note 2
/data (including /data/media which is for user objects like mp3s or videos or anything) is for the user and the apps to be installed.. Usually the rest of the memory after taking necessary other parts, is used as /data
/preload I don't know if this is seperate partition or just a sub-folder of some other partition. But it contains the videos and pics of Sammy ROMs. No idea about the size..
/cache? It is 1.3gb..But why?

I got this from sdmaid app. This may help you. :what:
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sent from my GT-N7100. Press thanks if I helped..

You can find some answers on this page.
The size of /cache partition should depend on the number of apps / files you have/use.

Related

[Resolved] Question about CM7 R2 and cache size

I just flashed the CM7 hboot using android flasher tool.
Here's a screenshot (regarding which my question is actually based) of "Quick System Info"
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Per the alpharev website, the readings should be as follows:
/system - 145M
/cache - 5M
/data - 287M
Now, in the screenshot I posted, internal storage (288M) and system storage (145M) seem all right, but why do I have such high "system cache"?? :-o
Also, shouldn't I have the full 287 MB (more or less) internal storage available considering I have only one app installed - Quick System Info, to post the information that is. Is the 40 odd MB accounting to "dalvik cache", perchance?
P.S New to flashing hboots, hence the doubt.
Since no one replied to this, here's the fix I got over at another forum.
Quick System Info is basically showing wrong info wrt to the cache partition.
Better way to check would be using another app Freespace or querying the file systems directly.
Here're the respective screenshots:
Freespace:
Using Adb or Terminal:
Cheers!
Cyanogenmod uses the sd card as system cache. The dalvik cache is in general stored in /data, unless one moves it to sd.

Link 2 sd force close after cache cleanup. HELP!!!

I'm using m1ndh4x8r's Rom with Link2Sd with a 1 GB ext4 partition and 512 linux swap partition...
So recently i was running out of space on my phone even with link2sd. So i found a post which tells us to run a command which would free up memory. Well it worked and my internal memory went from 14 MBs to 90+ MB.
When i first ran i got many force closes, but after like 3-4 restarts everything went normal. But this one thing remained. When I installed some new app, it doesn't run and force closes. I have to restart my phone after installing it to get it working again...
Please tell me if there is any solution for this... Is it a bug or something??
More info:
ROM: m1ndh4x8r's 2.1 sense.
SD card and partitions: Kingston 8 GB class 4: 1 GB ext4, 512 linux swap and rest fat32.
My apps are automatically linked when installed. Including davlic cache and all.
A free memory screenshot:
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thanks a lot.
BTW recommend a custom rom, just want to know your opinion.
24 hrs still no reply... :'(
*bump*
have you tried another SDcard?
Sent from MARVEL using Tapatalk 2 Beta-5

[Q] How much space does the OS take up?

Quick random question, but how much space would you say does Android 4.3 take up on this? I calculated about 3.2 GB. Is that right?
These are reserved sizes (MB is base 2, ie MiB), unless otherwise noted
Bootloader(s) 12MB
Kernel 16MB
Recovery 10MB
System 827MB (591MB used for JSS15J)
Cache 551MB
1416MB total reserved.
sfhub said:
These are reserved sizes, unless otherwise noted
Bootloader(s) 12MB
Kernel 16MB
Recovery 10MB
System 827MB (591MB used for JSS15J)
Cache 551MB
1416MB total reserved.
Click to expand...
Click to collapse
Wow, how did you figure that out?
filmaker said:
Wow, how did you figure that out?
Click to expand...
Click to collapse
That's how big the nandroid backup was.
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filmaker said:
Wow, how did you figure that out?
Click to expand...
Click to collapse
Those are the partition sizes (except for the /system usage # which is the actual Android OS size)
I didn't include /data because that gets populated upon initial install with user data. While there are some technically OS files stored there, most of /data is going to be related to apps and data created after you start using the phone.

System Data

Hello,
Never had any issues with my G3 in the year ive had it until now!
Basically I've checked my storage as my 16gb internal seemed to be incredibly low (especially since I store everything on my SD), I then realised I had a huge 8gb +/- taken up under Misc - system data. Unfortunately I can't figure out how to reduce this size.
On Samsung phones you can enter the hidden menu and wipe dumpstates and logcats but cant find the option on my d855 hidden menu.
I've flashed a bunch of ROMs and done resets etc but the problem persists. Any help would be great.
Using apps like System Cleaner etc etc DO NOT do anything as the problem lies in system data.
Thanks
Curtis
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Sent from my LG-D855 using Tapatalk
UPDATE
I've managed to improve my situation by doing the following;
Deleted the 'Facebook.orca' folder from my internal sd (That was a massive 4gb- but for some reason didn't come up under app data etc)
Installed FolderMount and linked my DCIM/Picture folders to my SD to give me an extra 1.5gb of internal space.

(GUIDE)How to get more storage to install apps/games for galaxy y duos and galaxy y

Hello my friends. I was in DZB'S Blog and i found a way to have more storage without link2sd plus or link2sd at all!
Things you need:
Root explorer.
SDcard.
Kernel that supports EXT2, EXT3 Partitions.
This is what link2sd does to link apps to the EXT2 partition but this is better.
Things that i recommend:
I Recomend a sdcard with at least 4Gb or 8GB Of storage.
I used a 32GB Class 4 sdcard and it is verry fast to load app.
Steps:
Create a EXT2 Or EXT3 Second partition using CWM Or a PC Running a disk manager program. (backup your data before creating the second partition)
Go to /data and find folders /data/dalvikcache and data/app and /data/data.
Now copy those folders /data/app /data/dalvikcache and /data/data to /sdext partition.
Now select folders one by one in sdext and select option link this to the /data, if it ask to replace the folder, replace it.
Now repeat the 4ยบ step to the rest of the folders.
Reboot the phone
in the end you should have a storage information like this:
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"lightbox_new_window": "New window",
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}
All credits go to the DZB Team for this amazing guide.

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