General :: Is It Possible To Make Bootable SD Card Partition
Mar 3, 2012
I plan on buying a new 32gb sdcard for my Xperia ray. What i plan to do is letting the phone use most of the space on the sd card but creating a second partition for a different purpose.
The purpose is to use that partition just like a normal windows(ntfs or fat) usb disk and eventually making it bootable for PC's. I carry my usb stick with me that i made bootable via easyboot and installed the tools i need which i wanna get rid of if my phone has the same capabilities.
Questions are
-Will a pc recognize that partition as a bootable device and eventually boot?
-If yes, will i need to set anything on my android such as usb debugging etc. after connecting?
-will that partition be independent from the android partition? (i guess this is a low possibility since the partition is on the sdcard and that is mounted to the android os, but may be android calls the partition sdcard thus not hugging the second partition)
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Apr 6, 2013
Is it possible to do this within Android?
At the moment I've this rooted phone running ICS, an SD card, an SD to USB reader and a netbook that once ran windows 7 until an hour ago. Oh and no working computer access for a few days.
I've installed a couple of versions of linux on PC's in the past, mainly as quick fixes between windows installations as I've proved myself too much of a novice to use it full time, so I know it can be done from an SD card easily enough should you be able to make one bootable with linux installed.
As I've only got this phone for a few days, would it be possible to do the above directly from this device?
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Mar 19, 2014
i searched for long time to use sd card as internal storage i tryed lot of a2sd app but it not worked like i wanted, until i try mount2sd, i have a 64gb memory card, i made a fat 32 partition of 5gb and a 50 gb partition in ext-3 for install app, i moved all android system in, but now in setting i have the 16gb of internal storage (who is nearly empty because all was moved to the ext-3 partition) and the 5gb fat 32 partition for the sd card. I send you pictures in attachment you can see what i talking about.
and the 50 gb partition is not here it is invisible it is just visible in titanium backup or root explorer i made a shortcut in the home screen. but now the question is: is there a thing to do like in xposed module or modify a text in system or anything to do for make the 50 gb ext-3 partition visible in parameter/setting? Can make an app or an exposed module to make it visible?
because i see you can make custom rom, i see in volt.stab but don't know what to write for add the partition... is possible or make it possible? or its to hard to make?
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Aug 28, 2012
If I wipe data/factory reset or format sdcard in Clockworkmod Recovery, will it delete the partition that I created on my SD card?
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Nov 6, 2012
I am having some issues with my Verizon Samsung Galaxy Tab SCH-i800. So the first issue is i tried to install a stock ROM to fix a corrupted cache partition. Now it tries to boot US Cellular. As of this moment the error i get when i put the device in recovery mode goes as follows:
E:failed to mount /cache (No such file or directory)
E:Can't mount /cache/recovery/command
# MANUAL MODE #
E:failed to mount /cache (No such file or directory)
E:Can't mount /cache/recovery/recovery_kernel_log
[code]....
I am wondering if i can just create a new partition on a new SD card? i bought this device on ebay a couple weeks ago and i don't want to continue attempting sketchy leads for fear of hard bricking it. I am very good with performing commands via command prompt if that is necessary, also i have access to an Ubuntu 12.4 computer if that would make things easier? Also as far as i know this is equipped with android Froyo and the issue developed after the previous user attempted to update.
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Sep 8, 2012
I've been having a few problems with partitions recently, how do I remove sd card partitions???
Also why is minitool wizard taking so long to write partitions, especially 500 mb?
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Aug 11, 2013
I see many asking how to partition the SD card on android tablet.. but I don't know why do they want to do that? Does it have effects on performance of the tablet? If so, I would like to do it too May I know if there are any risks in doing this? like losing data ?
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Aug 28, 2012
how can i partition and wat is the safest way to transfet my file to the sd card. i got 2gb sd card.
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Apr 6, 2014
I have the OG Motorola Droid A855. I installed the 4.1 Jelly Bean mod onto it. I'd like to move my apps to the sd card - however, the "Move to SD Card" option on my phone is grey and unusable.
I'd like to do so with Clockworkmod recovery. However, I cannot do so because my Clockworkmod recovery does Not have the partition SD Card option (it is v2.5.0.1).
How am I supposed to partition my SD Card without this option within Clockworkmod? What is another way to do so?
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Nov 16, 2012
Is there any way to get memory back after you partition an SD card IV lost 700 MB with the last rom I flashed and now I use a rom that doesn't need a partitioned SD, if there's a way to do it could some explain how I do it properly.
APOCALYPSE GT-S5830
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May 29, 2013
i tried to make card partition .. after, it reboots , but it not turning on again .. im using samsung galaxy wonder.. i cant find any solutions on google or youtube ..
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Apr 14, 2013
It's not a problem really, but I just don't know what it is.Isn't link2SD supposed to move the apps to my second partition on the SD card ?
Well it does move them successfully, because in Settings ==> Apps I have NOW a lot of space free.Take a look at this screenshot below. All the apps are in data/app and not on sd card, what is happening "behind the scenes".
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Mar 23, 2013
I've a rooted Samsung Galaxy Ace GT-S5830I and I've been looking for a post that explains how to partition my sd card correctly and i've learnt that you can't S-OFF Samsung phones. If you can't S-OFF Samsung phones how do I partition my sd card? My internal memory keeps running out I've to un-install apps all the time.
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Dec 13, 2013
I'm not very familiar with Android OS, I recently purchased a NOBIS 9, 1.5GHz Cortex A9 Dual-Core processor, 1GB DDR2 of system memory, and 8GB of internal storage running on Android 4.1. So far I have only downloaded and installed exactly 7 apps from Google Play and all my pictures and videos are in my SD card and I suddenly have no storage room. When I go to settings/storage, I see that there are 2 partitions to the tablet's storage both named INTERNAL STORAGE. Apparently all the apps are being installed in one of the partitions, the one with only 661 MB of space. I was able to go into the APPS setting and move 4 off the apps to the SD card, but the rest of the apps do show the MOVE TO SD CARD option but are not allowing me to press it.
Is there any way to somehow move the apps to the other partition or the SD card? Or is there a setting that I can change to allow all new apps to be installed in the SD card?
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Jun 9, 2014
I have a Huawei 8650. I had updated my phone to Android 4.4.2 and i still have root access and all that good stuff but when i try to give root access to something like Link2SD or Root Explorer it will only give it partial permissions. Link2SD wont mount my sd card partition and root explorer wont gain root access at all. Both apps have the error "char* ttyname(int)(3) is not implemented on Android char* ttyname(int)(3) is not implemented on Android mount: Invalid argument". Idk what this is or how to fix it. how to fix it so i can use my sd card partition and fix my wifi.
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Nov 21, 2013
I have done all the method of Link2sd by making partition of my sd card. But my Qmobile noir a2 internal memory still going to lower down..
why is it so i hav linked all the lib files, dalvick cache ...every time i installed a new app it takes my internal memory lower down ..
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Sep 11, 2009
No can someone tell me how to partition my sd card so that I can run apps right from the card rather then the phone memory?
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Oct 8, 2013
I am running rooted stock Android 2.3 on LG E405 (no working 4.x ROMs exist for the device)
I have two questions:
1) What is the shell command to manually make android allow the PC to mount androids' (internal) partition as USB-drive? (I cannot think of right keywords to google this one up - )
2) How does android determine which partition is which (i.e. which one to remount for the PC when connecting in "USB storage" mode), beside vold.fstab and init.rc? On android 2.3 that info is not in "framework-res.apk", so where is it? In the partition table itself?
I had switched data partition with internal sdcard partition.
Here's how: Phone had a very small "/data" partition on /dev/block/mmcblk0p21 and large internal "/sdcard" partition on mmcblk0p20
So I reformatted mmcblk0p20 (ex-sdcard partition) into EXT4 and mmcblk0p21 (ex-data partition) into FAT32
Then I changed init.rc to mount mmcblk0p20 as /data type EXT4 and mmcblk0p21 as /sdcard type VFAT (mounting /sdcard was commented out in stock init.rc for some reason). This required modifying my boot image.
I have also set correct partition number in vold.fstab:
[#]dev_mount sdcard /mnt/sdcard auto /devices/platform/msm_sdcc.3/mmc_host[/#]
So basicly I now have a large /data partition and small internal /sdcard. I'm able install up to a gigabyte of APKs and it works fine.
However, when I connect to my PC via USB into "USB Storage" mode, the phone seems to still try to unmount what was previously sdcard partition (/dev/block/mmcblk0p20), instead of what is NOW an sdcard partition (/dev/block/mmcblk0p21) I can still send files to the phone via wi-fi and ADB, but the ability to mount it directly would be nice.
If I accidentally select "erase internal sdcard" from storage menu, that will also most likely erase what is now my /data partition, softbricking the phone. The "factory reset" option will probably only corrupt the sdcard.
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Oct 19, 2012
I'm have been trying to create a second partition on my sd card using miniTool Partition Wizard.But in the end I never get a 2nd partition but just a smaller first one.My approach is as follows:
insert empty SD card (FAT32, 4GB)
open miniTool Partition Wizard
right click on SD card - "Move/Resize"
choose 1gb for unallocated space after - click ok
right click on 2nd partition and choose "create"
create 2nd partition with FAT32/Ext2/Ext3 (tried all options already) and "primary" and Cluster 4KB - click ok
Apply
Afterwards my SD card is still shown as one partition, but this has just 1gb less capacity then before.Neither the Wizard nor the phone detects the 2nd partition then.
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Aug 26, 2012
I can't figure what is exactly meaning the Partition Sdcard values in CWM.
I have an i9000, with 8Gb of flash. Some are system reserved. Available is around 6Gb.
When i run CWM, i can partition my sdcard, but i don't see what means the possible values (for 256 to 4096).
This is obviously not ruling the space left on /sdcard mountpoint (i partition to 2048, i still have nearly 6Gb available)... So what exactly means partition sdcard from CWM ??
i can't find an answer, and i dislike, when flashing rom, following commands i don't really master (generally a partition SD 2048 / SWAP 256 or SWAP 0).
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Jan 14, 2013
I have bought a cheap chinese phone that had a 4g rom. 512mb is mapped to data as p3 and p4 is mapped to internal storage which is 2g.
I have managed to work out how to delete partition4 and extend partition3 as they follow on from each other.
However how do I remove all links to it in the system as it still tries to mount it on boot even though it isn't there.
I have removed the line from vold.fstab and that just crashed the external and internal sdcards and the storage section inside the system settings.
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Jul 23, 2010
This is for everyone who gets the "Insufficient space available" message when trying to install an app on a ROM with Apps2SD support. You need to partition your SD card! Here are steps on how to partition your SD card.
1. BACKUP your SD card! Partitioning will erase everything on your SD card. Mount your Eris to your computer and copy everything on your SD card into a separate folder on your computer.
2. Boot into recovery. (Hold the Volume up and Power button at the same time)
3. When you are in recovery, choose Partition sdcard.
4. Select Partition SD
5. Choose your swap size. (I chose 32MB)
6. Select the size of your partition. (I chose 512MB)
7. After partitioning, choose SD:ext2 to ext3 from the Partition sdcard menu.
8. Reboot your phone.
9. Make sure you have Apps2SD checked under Settings > Applications. (You don't have to do this with some ROMs)
10. To check if you have partitioned your SD card correctly, go to Settings > SD card & phone storage > SD card secondary. (Some ROMs don't show this)
11. Copy your backup of your SD card back to your SD card.
12. You can now run Apps2SD in any ROM that supports it.
When flashing ROMs with Apps2SD support, you no longer have to reinstall your apps.
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Oct 12, 2010
I'm using a Leedroid build ROM but I did not partiton my SD card for A2SD before the install, I noticed that this was detected and skipped automatically.Now that I have partitioned my card how do I make my ROM recognise both partitions?
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Oct 16, 2010
I recently rooted my htc desire using revoked 3.21 but and inserted a new 8 GB sd-card, the thing I am wondering now is how to partition this sd-card to use the mod apps to SD. I thought there should be an option in the Clockworkmod screen, but I cant find it.
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Aug 8, 2010
1) Does partitioning your SD card wipe your SD card?
2) Is it true that once partitioned, you cannot delete the partition from Windows Disk Management?
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Aug 21, 2010
i decided to try rom extrROM. i had to partition my sd card. when i tried to boot up with the extrROM it wasn't showing up. so i was gonna go back and see if i put it in the wrong spot well i don't see it anywhere and every things all different and changed i dunno where to look now.
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Oct 11, 2010
I partitioned my SD card with ROM Manager in order to use App2SD. However the SD needs to be returned to the supplier.Is there a way to remove the EXT2/3 partition on the phone? I don't have a card reader so can't use anything like GParted from my PC.
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Nov 23, 2010
I'm having issues with sticking a new SD card in my Rooted Desire. I am running the NeoPhyTe Mod v1.8 Sense-FroYo 2.2 ROM, and it seems great (before I was running Pays Desire Rom which had the same problem, so it's not the ROM).My old 4gb card was partitioned with 512mb for Apps to SD (I can't even remember how I did this now, but I seem to recall it being really easy, I think I used ROM Manager), and worked flawlessly. The new card can be seen in Windows 7 when I go into recovery on the phone and select mount USB Storage, and I seem to be able to get into it to format the card, but when I reboot, the phone hangs at the HTC screen. There is nothing on the card apart from the ROM I installed.I've tried partitioning it in Recovery with ADB/Clockwork, but Parted will not load/work. I've tried...well, everything I could find over the last 4 hours to try to sort this out. It should be a simple task, surely!?
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Jun 3, 2010
I rooted my Hero a couple of months back and have been playing around with various ROM's. Currently running the latest Sensehero and not going too bad. However, thinking of getting APPS2SD up and running and everywhere I look it says the first thing you need to do is partition the SD card from the recovery menu. Here lies the problem.
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Oct 18, 2010
Is it possible to create partitions on SD card from the emulator.
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