General :: How To Create SD-Ext Partition
Jan 11, 2012
I am trying to create an sd-ext partiton so I can move applications and backup to that partition on my 4GB external SD card.
I've got ROM Manager 4.8.0.8 but when I select Partiton SD card it reboots and tries to reformat but I don't see anything on the Card just a LOST.DIR folder. I can't read the system messages when in Recovery mode cos it all happens so fast.
I tried via ADB and booted into recovery and selected the option to partition manually but still nothing. I reformatted the card with FAT32. Nothing.
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Mar 4, 2013
How to create a partition for the micro SD using cwm.?
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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 5, 2013
I just got a Nexus 4 and have found to my despair that it doesn't have Mass Storage Mode due to the sdcard becoming integrated with normal data.
I really want Mass Storage mode, as I use my phone as a memory stick for various educational purposes, including running various executables directly from the Mass Storage.
Is it possible to create a 1GB, or so, FAT32 partition from the normal ext4 space and allow that to be mounted as Mass Storage?
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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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Sep 14, 2010
Rooted my phone yesterday and installed Teppic's rooted stock rom and loving it. I am trying to create a partition so I can use Apps2SD but I am having major issues. I am following the thread below but when I get to the parted /dev/block/mmcblk0 part its not working. Anyone got any idea's? Probably just me being dumb! Have tried googling it but all a bit confusing
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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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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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Dec 13, 2012
is it possible to use swap on a sd-ext partition? I started to use simple 2ext and I don't know if it's that possible.
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May 21, 2014
As the title says how do I partition O+8.31z
O+8.31z had a very small internal mem. as we know 165mb
I do got 4gb mem. and I would like to partition it to use as my internal memory. So I could download and install game or an app as I want.
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Dec 31, 2013
I just took over a second hand chinese android phone which appears to have swap enabled already.
The following is on the phone with SD card installed or removed completely
Terminal Emulator - Free - swap 196604 53036 143568
Diskinfo reports it as zram0 [swap]
The value of swap changes continually, so swap is active.
There is no swapper or any other swap app installed. How do I go about finding out how the phone is configured and if necessary undoing what was done and reconfiguring if necessary ?
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Jan 16, 2014
I have rooted my xolo a500s IPS using farmaroot but when I tried to mount system r/w for pushing some apps and removing some on system partition but it is not mounting because of that i cant make changes on system.how can I mount system partition
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Sep 12, 2012
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...
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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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Feb 9, 2013
my verizon galaxy tab 7 (sch-1800) doesn't boot, it freezes on samsung splash. I already restored the stock rom, but it doesn't change anything. if i try to restore default with recovery mode, it says E:failed to mount cache.
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Nov 1, 2013
I got a notification that my filesystem start to be full, I was really surprise so I take a look to it with the shell and here is the result
root@android:/data # df /data/
Filesystem Size Used Free Blksize
/data/ 2.0 G 1.9 G 59.2M 4096
root@android:/data # busybox du -sh *
200.0kanr
336.5Mapp
[Code] .....
336M + 222M + 217M = 785M
So where is the others 1.2G ?
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Jul 9, 2013
how can i trace my recovery partitions all stuff, work ,process etc.? I want to know what is going on while i am entering to recovery. Because this partition is encrypted and i hope i can get some info from this trace stuff for reading the file system of the partition. My tablet running Android 4.0.3, Rooted.
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May 13, 2014
I own a Galaxy Note (GT-N7000). Suddenly the IMEI went null/null and baseband unknown. Tried many things to recover from this but nothing seemed to work. I left the phone with the latest stock rom (Jellybean 4.1.2)
I then installed EFS Professional (rooting the phone first and installing BusyBox) and could connect to the phone with EFS Pro. I tried doing baseband and IEMI repair, and though the log showed it had successfully restores from .bak files in /efs partition, IMEI and baseband were still null.
So then I totally screwed it, hitting the "format EFS partition" by mistake (it was 3am by then) and didn't make a backup first. The phone wouldn't boot, so I flashed the latest stock rom again and now it continually loops when showing the Samsung logo when I turn it on. I can turn it on in download mode and recovery mode. When on recovery mode, it says /efs partition not found so I guess that makes sense.
The question here would be: is there any way I can fix it without sending it to service? Some options that sound possible:
- Flash the phone with some other custom ROM that would repartition the whole phone, thus creating an /efs partition again
- Use some nice software to recover the /efs partition
I'm sure that if a service can fix it, there should be a way I could do it as well.
I know my IMEI number (it's in the sticker on the back of the phone) so there should be a way to restore it into de efs partition, right?
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Dec 24, 2013
[URL]
I am looking into one of the unhacked devices.
how I can unlock the bootloader.
I want to understand which of the partition contains the bootloader and which contains the recovery...
Is there any guide to looking at the partitions in a hex-editor or something and determining if its a boot, recovery etc...
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May 18, 2012
What is the system partition for ics sense 4.0 for europian hd2? How long it takes for first boot.
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Aug 5, 2012
If my understanding is correct, tools such as CWM Installer and RecoverX are made so that users with locked bootloaders will have the privilege of using ClockWorkMod recovery. I myself used these tools. However, now that I have unlocked my bootloader, I want to remove the CWM they installed onto my system partition. I want to know where I can find it and how I can delete it? The reason why I want to get rid of such is because the kernel I'm using now already has CWM and I see no point in keeping a separate one stored on my system partition.
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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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Nov 22, 2012
I got the cat /proc/mounts here -
Code:
root@android:/ # cat /proc/mounts
cat /proc/mounts
rootfs / rootfs ro,relatime 0 0
tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0
[code].....
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Oct 18, 2012
how to resize the system partition on my Sanei N10. I have read quite a fair bit but i am to unsure how to do it. I have downloaded so far livesuit but unfortunately there is only chinese on the Sanei homepage. As much as i understand i need some file from them.So far i have stock rom and the device is rooted.
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Apr 17, 2012
My rom bootlooped somehow, and I was forced to clear the data partition. Now I want to recover the messages and put them in the (clean) rom.
I extracted /data/data/com.android.providers.telephone/databases/mmssms.db from the nandroid backup before I cleared /data.
I tried copying these files into the rom but the messaging app doesn't show any difference. Is there a way to salvage the messages?
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Apr 22, 2013
This is my first attempt towards creating a zip file to update the kernel using Clockworkmod Recovery (v6.0.1.0) on a Galaxy Nexus phone. My repeated attempts to flash the boot.img to the phone failed. I checked the logs to determine the cause of problem and I'm getting the "can't find boot partitionscript aborted" error that is causing the update to fail.
Error log:-
Opening update package...
Installing update...
Please wait, boot.img being flashed...
can't find boot partitionscript aborted: assert failed: write_raw_image("/tmp/boot.img", "boot")
assert failed: write_raw_image("/tmp/boot.img", "boot")
E:Error in /sdcard/BlankFlashable.zip
(Status 7)
Installation aborted.
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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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Mar 12, 2014
I am using HTC explorer and a few other android devices. The main problem I face while flashing new roms is the lack of space in System partition! Is there any way to decrease the space of /data and add it to /system? Then I can use int2ext or m2sd script to move /data to /sdext!
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