[Q] Is "swap internal storage and sd card" efficient??? - Sony Xperia P, U, Sola, Go

This is my question...I thought that is a good idea to swap internal storage and sd_card...so I could use the real sd with media and (finally) apps...but I ask you if someone has already done it and if after that swap the phone is more laggy...I think that the sd card (even of class 10) is slower than the internal storage...but I can't figure how much slower is...can you give my your opinion?thanks

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[Q] Internal SD, External SD and app2SD questions

I seem to have trouble grasping the concept of Internal and external SD memory.
I purchased a 16GB microSD card with the hopes that I can move most of my apps to that card but when I use app2sd I always get the "Failed to move application, not enough memory" error.
When I check the free space it shows more than 13GB on both the internal memory and also on the microSD card.
Since my gtablet has 16GB of "internal" storage already, what's microSD card good for?
Shouldn't I be able to move apps to either internal or external SD storage or am I just not understanding how this all works?
Can someone explain to me in Layman's terms what I need to do?
Thanks !!
PS: I just now accidentally reformatted my internal SD card so I will have to start from scratch anyways ;-)
Frogbone said:
I seem to have trouble grasping the concept of Internal and external SD memory.
I purchased a 16GB microSD card with the hopes that I can move most of my apps to that card but when I use app2sd I always get the "Failed to move application, not enough memory" error.
When I check the free space it shows more than 13GB on both the internal memory and also on the microSD card.
Since my gtablet has 16GB of "internal" storage already, what's microSD card good for?
Shouldn't I be able to move apps to either internal or external SD storage or am I just not understanding how this all works?
Can someone explain to me in Layman's terms what I need to do?
Thanks !!
PS: I just now accidentally reformatted my internal SD card so I will have to start from scratch anyways ;-)
Click to expand...
Click to collapse
From what I understand, app2sd functionality is built into Froyo & beyond. No need for a separate app.
In laymans terms, your 16GB internal sd is split in 2, 2GB for apps & 14 gb for data.I have 88 apps installed & it is only using 492MB of the 2GB. Apps install to the 2GB area, but the (and the system) use the 14 GB data area for storage. You can also use this space for dat/files storage as well.
The external microsd slot is generally used by you for data storage. You can use it for what ever you like. I use mine to store copies of different roms/nvflash, movies/video/pictures & music transferred from the PC.

Request/Search For SD mod

Ok so far Ive found the mod to swap the internal and external sd,
The ideal mod for me is to merge all the 16gb internal into one partition and mount my sd card as a normal sd instead of external sd.
If anyone knows of the mod to do it the way ideal for me please link me. If you are a dev and like this idea would you take the challenge to make this happen? I will gladly beta test as long as a fastboot is available.
You want volume management on a phone?
Just get a big honking SD card. I have a SanDisk 64GB sdxc.
The 128GB cards will probably be available by October.
That said, you can probably get LVM working under Android, but you'll only be able to work with it from the phone itself (no browsing from a PC or putting stuff on the microSD directly w/o totally breaking the logical volume).
You can also format the SD space as ext3, then set up /etc/fstab to mount the external SD on a folder on the internal SD eg, /mnt/sdcard/Music Library. You won't be able to read/write that space from Microsoft (no, e2fsd won't do it), but any other OS can browse it like any other disk drive. Also, the drives will still appear separate from outside the phone.
the ext3 sounds nice but I like my idea better, my idea is pretty much the way samsung/htc/lg formats their storage, one is phone storage, other is sd, not the phone, sd (other internal) and extended sd(actual sd card)
and sorry for some confusion for anyone I meant Extended sd not external, kinda a noob in here coming from a sammy prepaid android.
Iirc in ICS the internal memory is counted as one part. So the 4gb and 8gb will be 12gb or whatever. Android 2.3 and below use the partitioned method.
Sent from my XT910 using xda premium
Edit; therefore wait till ICS comes out

[Q] Internal SD partition or Folder?

Hopefully this isn't a stupid question, but is the internal SD in ICS a partition or a directory on the system that pretends to be an SD card?
If it's a partition then I don't really see the benefit over an external SD - except where there is no SD slot. Obviously if it's a directory then it would grow as required...
Hope the question makes sense!
Ok, Obviously the question either doesn't make sense, or nobody knows. Or, it's just such a stupid question that no-one can be bothered to answer it... Hoping it's not the first one - not sure how to word it better to be honest.
It's a partition.
Thanks for the reply. I must admit, then, that it seems a little odd on phones like the S3 - where there is an SD slot - to have an internal SD as well. How is this any advantage at all?
phunni said:
Thanks for the reply. I must admit, then, that it seems a little odd on phones like the S3 - where there is an SD slot - to have an internal SD as well. How is this any advantage at all?
Click to expand...
Click to collapse
In my opinion? Non whatsoever. I find it a disadvantage the apps saves data to the "external" storage, and it end up in the phones internal memory, non removable, lost if the phone breaks down, fixed size, etc. I'd rather see they put this storage to use as internal storage (/data) instead. The storage getExternalFilesDir() returns ought to be ... external. Period.
The internal SD is more of a legacy setting where older and cheap phones have very little storage so large program files had to be saved on an SD card. Now that many phones have adequate internal storage the /sdcard directory is just internal memory that is mounted as a virtual SD card. If the device has an actual SD card slot and adequate internal storage then the real SD card is mounted as /sd-ext. This allows you to swap SD cards easily since no program files are written to it. It is kind of confusing though.

[Q] 32GB external SD card only shows 1GB available

I have searched high and low for an answer to this but cannot seem to find one. I have recently rooted my NT to use CM 10 and everything appears to be working fine save one exception. I have an external SanDisk 32 GB class 4 card that I am using and it only shows 1GB available when it is installed in my NT. Here are the things I have tried without any luck.
** reformat SD card using SDFormatter.
** double check the partitioning using mini tool and verified that there is only one partition 32GB, FAT 32.
** put the SD card in my laptops SD card reader and I see that all 32 GB are available.
** put the SD card back in my NT and uses AppMgrIII to move the app to external SD, then ejected the SD and saw that the app was no longer available so I know what my NT is calling the SD is in fact my external SD card.
The only thing I have not tried is a new SD. Any clues?
EDIT:
One note, when I go into Settings --> Storage I see two sections marked internal storage and one SD card section.
Internal Storage 1
Total Space 3.97GB
Internal Storage 2
Total Space 29.71 GB (This is my external SD card)
SD Card
Total Space 1.00GB
Rhino1272 said:
I have searched high and low for an answer to this but cannot seem to find one. I have recently rooted my NT to use CM 10 and everything appears to be working fine save one exception. I have an external SanDisk 32 GB class 4 card that I am using and it only shows 1GB available when it is installed in my NT. Here are the things I have tried without any luck.
** reformat SD card using SDFormatter.
** double check the partitioning using mini tool and verified that there is only one partition 32GB, FAT 32.
** put the SD card in my laptops SD card reader and I see that all 32 GB are available.
** put the SD card back in my NT and uses AppMgrIII to move the app to external SD, then ejected the SD and saw that the app was no longer available so I know what my NT is calling the SD is in fact my external SD card.
The only thing I have not tried is a new SD. Any clues?
EDIT:
One note, when I go into Settings --> Storage I see two sections marked internal storage and one SD card section.
Internal Storage 1
Total Space 3.97GB
Internal Storage 2
Total Space 29.71 GB (This is my external SD card)
SD Card
Total Space 1.00GB
Click to expand...
Click to collapse
The 1 GB you see listed is actually internal emmc. Your 32 GB sd is actually 29.71 GB formatted. Your internal user media is 3.97 GB.
This is how internal memory is allocated-
1 GB RAM+1 GB emmc+4GB media+2GB (split between OS and /data)=8GB model.
1 GB RAM+1 GB emmc+4GB media+10GB (split between OS and /data)=16GB model
You did not mention if you have the 8 or 16 GB model. Either way there is nothing wrong with your memory allocation.
I have the 16 GB model. When I try to move apps to SD does it shows it moving to the 1GB sd card which you said was the internal emmc. I will play around some more to see if I can get some more evidence. Thank you for answering!
Rhino1272 said:
I have the 16 GB model. When I try to move apps to SD does it shows it moving to the 1GB sd card which you said was the internal emmc. I will play around some more to see if I can get some more evidence. Thank you for answering!
Click to expand...
Click to collapse
Are you running an app that mounts/swaps emmc as SD?
No
If you're using paranoid android it swaps the internal storage and SD card. Nothing to be worried about, but if you want it swapped use the succulant build.
did you figure this out? My nook color running 4.0.2 does the same thing (shows 2 external sd cards), and installs all the "sd apps" to the smaller sdcard1 partition instead of my actual external sdcard2. How do I tell it to treat my actual sd as the external sd so I can put all my apps on it?
many thanks
SelArom said:
did you figure this out? My nook color running 4.0.2 does the same thing (shows 2 external sd cards), and installs all the "sd apps" to the smaller sdcard1 partition instead of my actual external sdcard2. How do I tell it to treat my actual sd as the external sd so I can put all my apps on it?
many thanks
Click to expand...
Click to collapse
It is "figured out" for OP in the replies. To switch on your build, try asking in the Color forum section. There may be a zip to flash or maybe a change to be made in the build prop. But you need to check it for your device and ROM.
oops sorry, I had so many tabs open researching this I didn't realize this wasn't the NC forum. I have asked in there on a few threads, hopefully something will turn up.
thanks!

[Q] Merging phone storage and internal sd

Hello,
I recently bought a Lenovo A820 and am currently using LambdaROM 2.3.5a. My phone has 4GB of internal space and I have a 8GB microSD card in it as well. My internal storage is running low, but my internal sd card is empty and cannot be used, because I've all things on the external sd. Is there anyway to merge the internal sd card with the internal phone storage? I've searched long and hard already, but found no concrete information. I know I can swap memories and even link my sd card to the phone storage. But my internal storage is 4GB which only 2GB are being used for the phone storage and 2GB are partitioned to the internal sd card. I would like to merge them into the internal phone storage, if possible. My question is: is it possible? If so, how can I do it?
Thank you.
Bump for ZLR/ALPS F9006
Hi
You cannot merge virtual internal SD and physical external SD into one volume.
However you can probably swap it - which should solve all of your problems.
Your phone has MTK6589 chip, so the process will be similar as on my Snopow: http://forum.xda-developers.com/showthread.php?t=2777140
After the swap external SD will be visible as internal SD and the other way round. That means you can buy 64GB SD card and have all this space available for installing apps because phone will see this card as internal storage.

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