Database Users

Help understanding cm6/cm7 with system ext4....

I have heard that the new cm7 is faster because it uses ext4 for the system. And I was wondering if it was possible to do the same thing with cm6? And I am not sure how it is able to do this in the first place. I get that I can format my sdcard as ext4 and make it faster..... but how can a rom I flash format my system partition to a different file system? And how can I add this to my cm6 build until cm7 has all the features I am hooked on?
I know this is a noob question.... but that's why I am posting in the general section.... lol
Any help would be greatly appreciated. Thanks for your time.
Sent from my HTC Vision using XDA App

Cm7 has all the features and more that cm6 had. Just upgrade.
Sent from my T-Mobile G2 running Cyanogenmod.

I would love to.... But unfortunately it doesn't. I am still waiting for the ability to set up each screen rotation setting individually like in cm6. Right now you can't enable 180 degree rotation without enabling all 3 directions of screen rotation. Or you can disable screen rotation all together.... those are the only options. And widgets take to long to redraw when 90 and 270 degree rotation is enabled. Especially since it usually happens when I didn't want it to... or it stops first at 90 then goes to 180....
So they are not All there.... but also I was just trying to understand how the system format to ext4 works.
I have also tried to ask how I could go about adding that rotation features in my self but I can't get anyone to point me in the right direction on that either......
So, can anyone help?
Sent from my HTC Vision using XDA App

Ah I see... however ill just say that I don't think cyanogen is planning to add these features back in.
Sent from my T-Mobile G2 running Cyanogenmod.

EXT4 does not provide an appreciable performance boost over EXT3.

EXT4 does not provide an appreciable performance boost over EXT3.
Click to expand...
Click to collapse
Really? So what is all the hype about? Why did CM make the change?
Ah I see... however ill just say that I don't think cyanogen is planning to add these features back in.
Click to expand...
Click to collapse
That would really be too bad.. I see know reason not to add them back. But that leads me back to my original two questions.
1) can some one explain how the system is formated to ext3/ext4 during a rom flash. And how I might be able to implement this in a modified version of CM6.
2) Since I don't want to bug CM with requests for features and ETA's.. Can some one point me to some info on how to port features from one rom to another? I have searched and found a lot of info but I could use some help narrowing it down to what I actually need for my purposes. Thanks for your help

Wouldn't the ext upgrade be in recovery?? Because when using Amon RA recovery with other phones, not ours as he doesn't make a recovery for us vision.. you had the option to upgrade from ext2 ext3 ext4. And I think before the latest clockwork was release, we had to use 3.x to flash gingerbread as it only supported ext4. And 2.5.x was only ext3 right?? I don't know if I'm making sense or in the right track..
Sent from my HTC Vision using Tapatalk

noodles2224 said:
Wouldn't the ext upgrade be in recovery?? Because when using Amon RA recovery with other phones, not ours as he doesn't make a recovery for us vision.. you had the option to upgrade from ext2 ext3 ext4. And I think before the latest clockwork was release, we had to use 3.x to flash gingerbread as it only supported ext4. And 2.5.x was only ext3 right?? I don't know if I'm making sense or in the right track..
Sent from my HTC Vision using Tapatalk
Click to expand...
Click to collapse
Those options are are referring to the file system format of the sd-ext partition if you have one. CM7 apperently formats the actual system to ext4 now... or otherwise called mmcblk1p25.... I think....

Can anyone recommend a rom with lots of internal space

I'm currently using CMYLXGO stock desire rom and i love it but the last few days ive been getting a low memory icon. I look and my phone says 90%. Wierd cause ive deleted many apps and have app2sd as well. I dont know if its me or the rom but I was wondering if anyone can recommend a rom that offers lots of space for apps. For some reason while the icon is up I dont even get emails. If anyone is using app2sd i have a question. When i click on the "phone only" tab it says 21 apps but on the moveable tab it says "no moveable applications found". And on my sd tab it says only 9 apps. How do I move those phone apps to my sd? Maybe that'll clear space.

If your using SD android, (i dont know about nand or ram) Search for toporesize in xda, find [app]windows resize data img maker thread and download the app, then just follow the instructions but backup your img first and don't resize to bigger than 2048mb(2gb).
Then you have larger internal memory with the same rom!
Sent from my HD2
Running AmeriCanAndroid
AOSPHD2GB233CM7

evo1rs said:
Search for toporesize in xda, find [app]windows resize data img maker thread and download the app, then just follow the instructions but backup your img first and don't resize to bigger than 2048mb(2gb).
Then you have larger internal memory with the same rom!
Sent from my HD2
Running AmeriCanAndroid
AOSPHD2GB233CM7
Click to expand...
Click to collapse
What do you mean. Backup your image? Like picture?

Is it an SD build your using?
Sent from my HD2
Running AmeriCanAndroid
AOSPHD2GB233CM7

evo1rs said:
Is it an SD build your using?
Sent from my HD2
Running AmeriCanAndroid
AOSPHD2GB233CM7
Click to expand...
Click to collapse
I beleive so. Its a zip on my sd card, if thats what you mean

Ok sorry. I just searched for it and it is nand. Different filesystem setups.
I only use SD card builds so I can still use winmo if I like.
Looking at the thread for your build you need partitions or something.
In which case I'd recommend the rom in my signature.
Sorry for the mix up.
Sent from my HD2
Running AmeriCanAndroid
AOSPHD2GB233CM7

Take a look at my sign

Bingoig11 said:
Take a look at my sign
Click to expand...
Click to collapse
Oh my, I'm loving the look of coredroid but need to research to mke sure it works for tmous and most importantly how to install. Not very savy when it comes to this. Off to read I go...

bx10r said:
Oh my, I'm loving the look of coredroid but need to research to mke sure it works for tmous and most importantly how to install. Not very savy when it comes to this. Off to read I go...
Click to expand...
Click to collapse
There's a special version for TMOUS and everything is explained so you cannot make a mistake
Enjoy the power dude!!!!!!!!!!!!

so it seems the instructions are cut and dry. One question it doesnt answer. Should I take all my current rom zips out of my sd?

Unless you absolutely positively need sense, I would recommend and AOSP build like this lightning fast gingerbread build: http://forum.xda-developers.com/showthread.php?t=918899
sense builds will always tend towards the bloated side. The system partition on the gingerbread build i linked only takes up about 125 mb. vs the 400mb partition that cmylxgo's dhd build takes up

so i went with coredroid and so far so good. I wanna thank you guys for all the suggestions you've provided

Ext3 or Ext4?

How do I flash back to ext3 from ext4? Sorry for the noob question but I'm playing around with loads of roms and keep coming across these little problems.
Sent from my HTC Desire HD using XDA App

jonpenn101 said:
How do I flash back to ext3 from ext4? Sorry for the noob question but I'm playing around with loads of roms and keep coming across these little problems.
Sent from my HTC Desire HD using XDA App
Click to expand...
Click to collapse
I think if u install full_wipe_1.3 u will change in ext3.

jonpenn101 said:
How do I flash back to ext3 from ext4? Sorry for the noob question but I'm playing around with loads of roms and keep coming across these little problems.
Sent from my HTC Desire HD using XDA App
Click to expand...
Click to collapse
Use wipe data/cache (factory reset ) option in CWM . Make sure you install a rom after that

Just do wipe data from cwm recovery and flash the new rom. If im not wrong you only have to flash ext4 patch for an ext4 rom but not the other way around. Tbh i didnt find any major difference between ext3 and ext4.

Thanks Guys i thought as much but wanted to make sure. No i never noticed any major differences between them but i want to flash Honeysense 4.0 when it's uploaded and it's ext3. Gotta love Honeysense!!! Big ups to Samuel!!!!! Just a few more posts then i can post on the dev area's of the forum. Silly rule!

Haha me too. Got what i think is a bug in tb fusion rom so trying to get my posts up so i can post it in the dev forum. Might give honeysense a go actually while the bug gets fixed.

Honeysense is quite good
but im waiting for the EXT4 version now.. please come out tonight

Yeah the ext4 version should be cool the new rosie is excellent and mattes new swype keyboard he is developing looks to be his best work yet!
Sent from my DHD on Honeysense through the XDA App! Take it easy!

Honeysense HD EXT 4 come out already

A question from me, so if coming from ext 4 you just do a full wipe in CWM (system, data, cache and then factory reset) then install the ext 3 ROM.
But what if your on ext 3 and want to try a ext 4 ROM what is the procedure ?
Sent from my Desire HD using XDA App

ToneyEricsson said:
A question from me, so if coming from ext 4 you just do a full wipe in CWM (system, data, cache and then factory reset) then install the ext 3 ROM.
But what if your on ext 3 and want to try a ext 4 ROM what is the procedure ?
Sent from my Desire HD using XDA App
Click to expand...
Click to collapse
If u want to go to ext4 rom, u run first full wipe ext4 1.5 and then the rom.U will find full wipe zip in every ext4 rom in addons.

eliashadow said:
If u want to go to ext4 rom, u run first full wipe ext4 1.5 and then the rom.U will find full wipe zip in every ext4 rom in addons.
Click to expand...
Click to collapse
Thanks buddy.
Sent from my Desire HD using XDA App

And since there is a thread already, here is my question...
What is ext3 and ext4 ?
What it does?

yeah i'm also curious to know the difference..

After searching google I finally found something!
ext4 - Wikipedia
ext3 - Wikipedia
ext2 - Wikipedia
Is different ways to partition the SD Card but what are the differences exactly and what are the pros or cons for our phone I have no idea, at least not yet

christos312 said:
After searching google I finally found something!
Is different ways to partition the SD Card but what are the differences exactly and what are the pros or cons for our phone I have no idea, at least not yet
Click to expand...
Click to collapse
This is not true! This is not concern SD card.
If you use EXT 4 in your phone, for example using rom ARHD 5.1.11 which is build on EXT 4 , your device will work much better, and SD card stay untouch.

So does the ext4 format speed up the usage or not? AND is it noticeable or not?
Because in nearly every update for roms they write speed improvements, but I don't really notice them.

caronlyall said:
Tbh i didnt find any major difference between ext3 and ext4.
Click to expand...
Click to collapse
Me too, didn't notice better performance or anything.

david2580 said:
So does the ext4 format speed up the usage or not? AND is it noticeable or not?
Because in nearly every update for roms they write speed improvements, but I don't really notice them.
Click to expand...
Click to collapse
I think the speed improvements are quite minimal but noticeable, after formating everything to ext4, i noticed a smoother handling.
So why not trying out and test a little bit? It works, dont worry The newest LordMOD UE Kernel for example has many ext4 patches inclusive.
Sry for my bad english =)
Forgot to say: I use CM #108 with LordMOD UE 4.5.1 Kernel and newest Radio, works like a charm

+1 for this thread answered all my ext4 questions in one place

[Q] Can't flash anything on my HD2!

So I had my HD2 running android then i wanted to change which rom i was using so i Switched it back to windows and now it won't update no matter how many different oms i try. It also won't instal anything like MAGLDR or CWM and i really would like an android rom without sense because i find that android is so much nicer than windows! Can some one please help me with my sob story?

This will help you:
http://forum.xda-developers.com/showthread.php?t=653614 (for USA HD2)
http://forum.xda-developers.com/showthread.php?t=609477 (for EUROPEAN HD2)

Rajiah said:
So I had my HD2 running android then i wanted to change which rom i was using so i Switched it back to windows and now it won't update no matter how many different oms i try. It also won't instal anything like MAGLDR or CWM and i really would like an android rom without sense because i find that android is so much nicer than windows! Can some one please help me with my sob story?
Click to expand...
Click to collapse
re apply 2.08.hspl

Rajiah said:
So I had my HD2 running android then i wanted to change which rom i was using so i Switched it back to windows and now it won't update no matter how many different oms i try. It also won't instal anything like MAGLDR or CWM and i really would like an android rom without sense because i find that android is so much nicer than windows! Can some one please help me with my sob story?
Click to expand...
Click to collapse
Turn off any anti-virus program. Some people had some issue with it.
here is a complete guide on installing everything, step-by-step.

shankar10 said:
..
Click to expand...
Click to collapse
just a pointer about your clean install.pdf, , you make no mention of creating teh EXT partition, which most roms now support, so most people are gonna want to know about it.

It's optional though

samsamuel said:
just a pointer about your clean install.pdf, , you make no mention of creating teh EXT partition, which most roms now support, so most people are gonna want to know about it.
Click to expand...
Click to collapse
EXT partition is optional unless it's req by the ROM developer.

[Q] Why Sense NAND build need Ext for EU?

as written on the topic, I was thinking why don't just put all the /system all on NAND, why do we need SD-EXT??
if it is making insufficent memory for data,can't we just use data2sd then??
correct me if i'm wrong

Eu models have 512 rom. Tmous have 1024. The higher sense rom it is. It needs more memory. In most situations u cant pack sense rom in 512mb. So u use SD-EXT. One catchy thing is that u need to format sd-ext (properly) or u wont be able to boot rom. There are roms that dont need sd-ext but they are not sense. Sense is memory eater but makes phone more user friendly. U get it now?
Sent from my HTC HD2 using Tapatalk

oroo708 said:
as written on the topic, I was thinking why don't just put all the /system all on NAND, why do we need SD-EXT??
if it is making insufficent memory for data,can't we just use data2sd then??
correct me if i'm wrong
Click to expand...
Click to collapse
well .... you can use my build , it doesn't need ext! joking..

sense roms contain a lot of eye candy !! !!
and most of the space on the ext partition is required for the weather videos !!
rest of the space for all htc stuff like htc hub, peep and all !! !!