Different a2sd, data2sd, mount2sd you should take a look....! - Optimus V Android Development

Visit the below posts i think that might be useful for our phone as well
http://forum.xda-developers.com/showthread.php?t=1502893
http://forum.xda-developers.com/showthread.php?t=1342387

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[Q] A2SD D2WE D2EXT for RCMixHD

Hello there,please act like i'm a dummy when explaining things
I've bought an HTC Desire about a month ago and it took me 10 days to understand the process of rooting and flashing a custom rom.So i bumped to a thread on development, RCMixHD v3.4 and i really wanted to flash this ROM to my device, the problem is i don't know what A2SD, D2WE, D2EXT do and how to. So if you'd be kind to explain why i need those and how i can flash etc those things, I'd be more than glad (i'd jump and screen on my chair)
link to the ROM thred: http://forum.xda-developers.com/showthread.php?t=789830
Searching for A2SD, D2WE, and D2Ext will give you lots of hits that will explain in detail what they are and do. Basically they put apps and/or data on your SD card to allow you to install more apps. But if all you want to do is install the RCMix HD ROM just follow the instructions. See my post http://forum.xda-developers.com/showthread.php?p=11918633#post11918633 for a list of steps to check/follow to install.
i'll head over and read the instructions
i had the chance to buy a new class 4 SD card yesterday and did partitioning with mini tool partition home,i did all the things in the video in order and my pc(windows) didn't see the fat32 partition so i deleted all the partitions,created fat 32 first then ext3 later and i'm not sure if it worked at all because the ROM i installed was freezing from time to time when i do something that requires sd card usage.

[Q] A2SD

hi.. i have just downloaded the insertcoin 2.0.1 rom.. how good is this rom ... and yeah .. IT HAS A2SD ... HOW TO INSTAL THIS A2SD IN UR PHONE SO THAT I CAN DOWNLOAD MAXIMUM APPS AND HAVE A LARGE AMNT OF PHONE MEMORY LEFT..
.. moreover ..what exactly is thi A2Sd .. OR A2SD+ or D2EXT... and which 1 is the best..???
Go read about it. There is a little thing called searching
Sent from my HTC Desire using XDA Premium App
Thats not really productive Meaple.. but anyways A2SD is using your SD Card/Memory Card to store your apps. Not all apps can be moved to your SD via this method as they require some part of the application to be stored on internal memory but A2SD will more or less allow you to move 90% of all apps to SD. They may leave a small footprint on your internal memory.
As for using A2SD you should just be able to goto the application list in settings and then click the application and then press the "send to SD/External/Memory Card" button. Alternatively, you could use an application specifically for A2SD which should help you move them (just search market for a2sd or something)
Its damn annoying when all you get is stupid posts where people can't be bothered to search. I've not been on for about a week aand I left with stupid posts and I come back to stupid posts. Also, with every rom that has a2sd has some form of info about it and how to install it. Seriously, read and search.
Btw a2sd isn't a full solution because it only stores the apps. The apps data goes onto the internal memory still so you would need data2sd or something like that or to shift the dalvik cache to SD. So if you have a lot of apps, you could still run out of storage.
Sent from CM7
Meaple said:
Its damn annoying when all you get is stupid posts where people can't be bothered to search. I've not been on for about a week aand I left with stupid posts and I come back to stupid posts. Also, with every rom that has a2sd has some form of info about it and how to install it. Seriously, read and search.
Btw a2sd isn't a full solution because it only stores the apps. The apps data goes onto the internal memory still so you would need data2sd or something like that or to shift the dalvik cache to SD. So if you have a lot of apps, you could still run out of storage.
Sent from CM7
Click to expand...
Click to collapse
i agree. you should research b4 jumping into anything. But people are going to continue posting stupid posts so they can learn regardless if it upsets advanced users. An easy answer is as easy as a ignorant comment.
You need to create a partition on your sd card for app2sd+. you can do this in many ways but i perfer gparted live bootdisc. check the development thread and checkout my video tutorial entitled "NOOB PROOF everything desire [Video Tutorial"
sorry my bad...

[Q]Can anyone explain in detail whats the main difference between Data2SD and Link2SD

I have gone through some posts that explain the difference between the two, but i am still confused which one suits my needs. I have just got myself a 16Gb Class 4 SDHC and want to install one of the two. I am on Stock Htc Rom , Unlocked BL and Rooted. What do I think about the two after going through various post here
1) Link2SD -> Supports different partitions, works with stock rom and is a good choice.
2) Data2SD -> Dont know if it supports different partitions or works on stock rom (Please make 'd33ps1x' make a Tutorial for Data2SD) but I have read that it performs best with Ext4 partition and is better than Link2SD under certain conditions ( Like Class of your Sd Card etc. ). The main reason I am confused is many users here opt for it over Link2Sd.
Please correct me if i am wrong and also suggest which will be best for me. ( Please dont ask me test them for myself as I dont know if Data2SD will work with my Stock Rom and a Class-4 SD card)
Along with this I will like to know If its worth to make a linux swap partition or use a swapper application from market or doing without swapping is absolutely fine.
I use my WFS to play HD games so please take this into consideration when answering the question
If you need a lot of memory, just go with DATA2SD.
hellnoob said:
I have gone through some posts that explain the difference between the two, but i am still confused which one suits my needs. I have just got myself a 16Gb Class 4 SDHC and want to install one of the two. I am on Stock Htc Rom , Unlocked BL and Rooted. What do I think about the two after going through various post here
1) Link2SD -> Supports different partitions, works with stock rom and is a good choice.
2) Data2SD -> Dont know if it supports different partitions or works on stock rom (Please make 'd33ps1x' make a Tutorial for Data2SD) but I have read that it performs best with Ext4 partition and is better than Link2SD under certain conditions ( Like Class of your Sd Card etc. ). The main reason I am confused is many users here opt for it over Link2Sd.
Please correct me if i am wrong and also suggest which will be best for me. ( Please dont ask me test them for myself as I dont know if Data2SD will work with my Stock Rom and a Class-4 SD card)
Along with this I will like to know If its worth to make a linux swap partition or use a swapper application from market or doing without swapping is absolutely fine.
I use my WFS to play HD games so please take this into consideration when answering the question
Click to expand...
Click to collapse
main difference is i think that data2sd uses ext4 and link2sd uses ext2 ...
i think taht data2sd is a script that installs all the app that u choose to install, on sd card partition that u made.It redirects your phone into thinking that the partition of sd card, that you made is actually the internal phone memory, and it uses it like it's internal memory...
As for link2sd it can move apk/dex/lib files separately and then creates a link to it...
link2sd leaves apps usable when usb pc storage is mounted..i am too lazy to connect the phone to computer now, since im laying in the bed, but i thinkn data2sd does it too ...
others add stuff that i didnt write, if i didn't... or if i made mistake..
Does stock htc rom supports Data2SD (i think it doesnot because stock htc rom cannot handle Ext4 partition)
Link2SD only links your applications to an external partition on the sdcard. The partition can be fat32, ext2, ext3, or ext4 but not the default fat32 partition. However, it does not move the application data to the sdcard. This is actually good if you want performance. You also get to choose which apps you want to move to sdcard. This again is good for performance in that you can keep your frequent apps on the data partition.
Data2SD on the other combines your data partition with a partition on the sdcard. The system then sees the 1GB partition as the data partition and puts ALL the applications and the application data on that space. You have no control over which ones go to the sdcard.
App2SD needs to installed as a script from recovery while Link2SD is an apk. It's basically memory vs performance (Data2SD vs Link2SD).
I would suggest that you try Link2SD. I've installed over 70 apps on sd without any speed issues.
hellnoob said:
Does stock htc rom supports Data2SD (i think it doesnot because stock htc rom cannot handle Ext4 partition)
Click to expand...
Click to collapse
there are some stock roms, that were remade, and they support data2sd... search for them ...
AceRoom said:
Link2SD only links your applications to an external partition on the sdcard. The partition can be fat32, ext2, ext3, or ext4 but not the default fat32 partition. However, it does not move the application data to the sdcard. This is actually good if you want performance. You also get to choose which apps you want to move to sdcard. This again is good for performance in that you can keep your frequent apps on the data partition.
Data2SD on the other combines your data partition with a partition on the sdcard. The system then sees the 1GB partition as the data partition and puts ALL the applications and the application data on that space. You have no control over which ones go to the sdcard.
App2SD needs to installed as a script from recovery while Link2SD is an apk. It's basically memory vs performance (Data2SD vs Link2SD).
I would suggest that you try Link2SD. I've installed over 70 apps on sd without any speed issues.
Click to expand...
Click to collapse
I think that you are right ... link2sd is kind of best, BUT ... I use data2sd for some time now, and performance isn't bad at all ... It's actually good ...
p.s. i have a class 10 sd card ...
Help setting up Link2SD is here:
http://forum.xda-developers.com/showthread.php?p=21119907#post21119907
I use link2sd without swap partition for my stock rom. Im not sure about swap function, so I don't use it.
Sent from my HTC Wildfire S A510e
I'm now using S2E with CM7.2 RIM and it doesn't causes any problem to me. I think it's the best option, but which option do you think is the best?
Enviado desde mi HTC Wildfire S usando Tapatalk
DanHidalgo said:
I'm now using S2E with CM7.2 RIM and it doesn't causes any problem to me. I think it's the best option, but which option do you think is the best?
Enviado desde mi HTC Wildfire S usando Tapatalk
Click to expand...
Click to collapse
i use data2sd by jikantaru ... on my cm 7.2 and it works well... but many say that link2sd is better, and I'm too bored to change now ... I'm even too lazy to upgrade to latest nightly of cm ..
So i guess answer is link2sd but oppinions are different, and many of us like ability to change anything they like, and link2sd gives lots of options
And about data2sd, you just can't affect anything... It simply instals stuff on your ext4 partition, the end
b02 said:
p.s. i have a class 10 sd card ...
Click to expand...
Click to collapse
I unfortunately have a class 2 8GB. I didn't know about the classes when I bought this one to replace the stock 2GB and I bought it only a couple of months back. It has been decent enough though I can't really judge cause I haven't tried out faster ones. What kind of read and write speeds do you get?
AceRoom said:
I unfortunately have a class 2 8GB. I didn't know about the classes when I bought this one to replace the stock 2GB and I bought it only a couple of months back. It has been decent enough though I can't really judge cause I haven't tried out faster ones. What kind of read and write speeds do you get?
Click to expand...
Click to collapse
there is a thread about sd card speeds, i will post it later on...
my sd card has something like 6 to 9 write speed, and read speeds were maxed out at about 15...on any card, so i guess its because of hardware... it couldn't go over that ... (speeds are in MB/s)...
[edit]: here is the thread i mentioned http://forum.xda-developers.com/showthread.php?t=1472314
hellnoob said:
I have gone through some posts that explain the difference between the two, but i am still confused which one suits my needs. I have just got myself a 16Gb Class 4 SDHC and want to install one of the two. I am on Stock Htc Rom , Unlocked BL and Rooted. What do I think about the two after going through various post here
1) Link2SD -> Supports different partitions, works with stock rom and is a good choice.
2) Data2SD -> Dont know if it supports different partitions or works on stock rom (Please make 'd33ps1x' make a Tutorial for Data2SD) but I have read that it performs best with Ext4 partition and is better than Link2SD under certain conditions ( Like Class of your Sd Card etc. ). The main reason I am confused is many users here opt for it over Link2Sd.
Please correct me if i am wrong and also suggest which will be best for me. ( Please dont ask me test them for myself as I dont know if Data2SD will work with my Stock Rom and a Class-4 SD card)
Along with this I will like to know If its worth to make a linux swap partition or use a swapper application from market or doing without swapping is absolutely fine.
I use my WFS to play HD games so please take this into consideration when answering the question
Click to expand...
Click to collapse
i use link to sd...
and i made a partition of 4gb......
and know wanna make of 1gb only.....means i wanna delete 4 gb partion without loosing my data....of 16 gb...
plsss help

[Q] CONFUSED! SD card - Mount2SD - partitions - BCM ICS

Hi All
Noob. Got a Desire (loving it still after over 2+ years of owenrship)
Rooted a few months back. been trialing BCM and Sandvoid ICS.
I've recentyl upgraded to 32Gb Sandisk SD card class 4. Partitioned to 2GB sd-ext and rest for data etc. (actually installer for BCM RC4 is telling me 1.5GB is limit for sd-ext)
Pretty much figured everything to do with rooting and flashing myself from forums, wikis and searching but I'm really stumped on one area.
Its all to do with storage things like :
-Partition sizes /tables & managers e.g. :Oxygen
CM7.2 (thought this was a ROM but seemingly keeps being quoted as partition structure??) ie the issues covered in this thread:
http://androidforums.com/desire-all...e-some-advice-overview-partitions-please.html
what is an optimum/decent starting point for the partition sizes on the desire with mount2sd ICS?
-Swap sizes (some docs say make it 512Mb for desire, some say 0)
conflict here:
http://forum.xda-developers.com/archive/index.php/t-1460858.html
-app2sd/mount2sd
BCM has latter and it seems to work out of the box after installing ( i get the impression this is more advanced than app2sd - correct?)
Sandvoid has former and seems to need some explicit scripts to be run beyond the aroma installer as the phone ran out of space when adding apps.
-hboot version ( i have not consciously changed this from stock)
-should i format SD with fat32?
I know this post is pretty wide in scope but there doesnt seem to be a "here is a good basic setup" type guide out there for the desire and even if there is i'm doubtful half of it's not irrelevant due to some of the advancements that apply with the latest and greatest ICS versions and other tools.
I suppose my question is from a performance/stability point of view does any of the above matter and if so can anyone point me to guides or make suggestions. As i say i figure that half of it may be irrelevant. The phone is working ok but i'd like to optimise the platform before i spend a lot of time installing and tweaking all of my apps and settings.
Thanks
If u want guides go to Desire Android Development(stickies) if on computer they are the first posts and info about hboots, google Alphrev. And u partition ur sd card to what ever the dev of the rom recommends.
Sent from my HTC Desire
Please use the Q&A Forum for questions &
Read the Forum Rules Ref Posting
Thanks ✟
Moving to Q&A
I agree, pick a rom, or make a shortlist, and read through the first post of each Dev. Hopefully you can find some common features to have, eg. One rom may require a ext4 partition, another may be incompatible with that. You need to choose, then go with it. If it helps I rooted using revolutionary.io and flashed mildwild 4.1.9 . Using 16gb fat32, 4096mb ext4 partition 0mb swap. Used gparted to format SD card.
Sent from my HTC Desire using XDA

How should I format my new microSD card?

Hi, firstly I want to mention I tried searching, but didn't find what I want to know. My new 8GB microSD card just arrived. I am replacing the default crappy Samsung 4GB card.
Do I have to format it in some manner, different partitions? I had been using (probably have to reinstall) MildWild 5.0. I have 4ext recovery.
Thanks in advance for any help!
Though people report success with 4ext and such it is best to use gparted. It is the standard linux tool and in case you run into partitioning problems you will have to use this anyway. You need to partition if you are planning any manner of a2sd scheme. The guide link in my signature will give detailed instructions.
handy5876 said:
Though people report success with 4ext and such it is best to use gparted. It is the standard linux tool and in case you run into partitioning problems you will have to use this anyway. You need to partition if you are planning any manner of a2sd scheme. The guide link in my signature will give detailed instructions.
Click to expand...
Click to collapse
Thank you. I will get on it.
Just use 4ext recovery, it's easier and faster and works like a charm.
Also you can align partitions in 4ext.
Everything I learnt about flash disk partitioning I learnt here and it makes quite a difference in performance:
ttps://wiki.archlinux.org/index.php/Solid_State_Drives (add h to the beginning, I can't post links yet)
Pay attention to aligning your partition and noatime.
Apparently 4EXT does your aligning for you, as does fdisk on linux.
My current ROM has a nice option to disable read time writing (noatime) which gives you a bit of a boost too.
It's a long read but now I understand what's going on!
J.

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