Ext2 on microSD card - Revision history

amigadave: typo, use {{ambox}}

2011-03-04T15:35:34Z

typo, use {{ambox}}

← Older revision		Revision as of 15:35, 4 March 2011
Line 1:		Line 1:
-	'''DISCLAIMER: By changing system's internals like described in that article you can easily ~~brake~~ you device! Do at your own risk! Do not type in terminal commands you do not understand! You are fully responsible for your actions.~~'''~~	+	{{ambox\|text='''DISCLAIMER: By changing system's internals like described in that article you can easily break you device!'''
		+
		+	Do so at your own risk! Do not type in terminal commands you do not understand! You are fully responsible for your actions.}}

	'''WARNING!''' Formatting your MicroSD card to another file system will erase all data on it! Backup the data first!		'''WARNING!''' Formatting your MicroSD card to another file system will erase all data on it! Backup the data first!

amigadave: wikify slightly, categorize

2011-01-26T11:40:47Z

wikify slightly, categorize

← Older revision		Revision as of 11:40, 26 January 2011
Line 6:		Line 6:

	===Format the cart into ext2===		===Format the cart into ext2===
-	Everything have to be performed as root!	+
		+	Everything have to be performed [[root access\|as root]]!
	First make sure that you have e2fsprogs package installed		First make sure that you have e2fsprogs package installed
	apt-get install e2fsprogs		apt-get install e2fsprogs
-	Check your MicroSD card's device name (I think it have to be the same on all ~~n900~~'s, but it is worth to recheck which device you are going to format anyway)	+	Check your MicroSD card's device name (I think it have to be the same on all N900's, but it is worth to recheck which device you are going to format anyway)
	mount \| grep /media/mmc1		mount \| grep /media/mmc1
	The output have to contain something like that:		The output have to contain something like that:
	/dev/mmcblk1p1 on /media/mmc1		/dev/mmcblk1p1 on /media/mmc1
-	here ''/dev/mmcblk1p1'' is the MicroSD's card device name.	+	here <code>/dev/mmcblk1p1</code> is the MicroSD's card device name.
	Then unmount your MicroSD card:		Then unmount your MicroSD card:
	umount /media/mmc1/		umount /media/mmc1/
Line 29:		Line 30:

	===Make the card to be automounted by system===		===Make the card to be automounted by system===
		+
	As described here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] and here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] you have to do the following:		As described here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] and here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] you have to do the following:
	*Become root		*Become root
-	*Back up the file /usr/sbin/osso-mmc-mount.sh	+	*Back up the file <code>/usr/sbin/osso-mmc-mount.sh</code>
-	*Use vi or your favourite editor to edit /usr/sbin/osso-mmc-mount.sh	+	*Use vi or your favourite editor to edit <code>/usr/sbin/osso-mmc-mount.sh</code>
-	*Make this change (it is line 46 on PR1.1 and PR1.2)	+	*Make this change (it is line 46 on [[Maemo 5/PR1.1\|PR1.1]] and [[Maemo 5/PR1.2\|PR1.2]])
	Old:		Old:
	b \| c \| e \| 4 \| 6 \| 14 \| 16 \| 1b \| 1c \| 1e)		b \| c \| e \| 4 \| 6 \| 14 \| 16 \| 1b \| 1c \| 1e)
Line 39:		Line 41:
	b \| c \| e \| 4 \| 6 \| 14 \| 16 \| 1b \| 1c \| 1e \| 83)		b \| c \| e \| 4 \| 6 \| 14 \| 16 \| 1b \| 1c \| 1e \| 83)
	*Save the file		*Save the file
-	*Back up the file /usr/sbin/mmc-mount	+	*Back up the file <code>/usr/sbin/mmc-mount</code>
-	*Use vi or your favourite editor to edit /usr/sbin/mmc-mount	+	*Use vi or your favourite editor to edit <code>/usr/sbin/mmc-mount</code>
	*Make the file to contain the following:		*Make the file to contain the following:
-	<~~pre~~>#!/bin/sh	+	<source lang="bash">#!/bin/sh
-	mount -t vfat -o $3,noauto,nodev,noexec,nosuid,noatime,nodiratime,utf8,uid=29999,shortname=mixed,dmask=000,fmask=0133,rodir "$1" "$2" > /dev/null \|\| mount -t ext2 -o $3,noauto,noatime,nodiratime "$1" "$2" > /dev/null </~~pre~~>	+	mount -t vfat -o $3,noauto,nodev,noexec,nosuid,noatime,nodiratime,utf8,uid=29999,shortname=mixed,dmask=000,fmask=0133,rodir "$1" "$2" > /dev/null \|\| mount -t ext2 -o $3,noauto,noatime,nodiratime "$1" "$2" > /dev/null
		+	</source>
	'''NOTE''' Patola [http://forums.internettablettalk.com/showpost.php?p=574704&postcount=17] originally suggested to modify the file that way:		'''NOTE''' Patola [http://forums.internettablettalk.com/showpost.php?p=574704&postcount=17] originally suggested to modify the file that way:
-	<~~pre~~>#!/bin/sh	+	<source lang="bash">
-	mount -t vfat -o $3,noauto,nodev,noexec,nosuid,noatime,nodiratime,utf8,uid=29999,shortname=mixed,dmask=000,fmask=0133,rodir "$1" "$2" > /dev/null \|\| mount -o $3,noauto,noatime,nodiratime "$1" "$2" > /dev/null </~~pre~~>	+	#!/bin/sh
-	This way, if mmc-mount is unable to mount it as a vfat card, with all the options, it tries to mount the card with the filesystem type autodetected.	+	mount -t vfat -o $3,noauto,nodev,noexec,nosuid,noatime,nodiratime,utf8,uid=29999,shortname=mixed,dmask=000,fmask=0133,rodir "$1" "$2" > /dev/null \|\| mount -o $3,noauto,noatime,nodiratime "$1" "$2" > /dev/null
-	But I've mentioned that it does not work if you don't have loaded kernel module of the file system you are going to use. So if you want to use that approach you have to take care that you have ext2's kernel module loaded before the execution of that script.	+	</source>
		+	This way, if mmc-mount is unable to mount it as a vfat card, with all the options, it tries to mount the card with the filesystem type autodetected. But I've mentioned that it does not work if you don't have loaded kernel module of the file system you are going to use. So if you want to use that approach you have to take care that you have ext2's kernel module loaded before the execution of that script.

	Save the file and reboot, now the card have to be mounted automatically in all cases.		Save the file and reboot, now the card have to be mounted automatically in all cases.
		+
		+	[[Category:Power users]]
		+	[[Category:N900]]

norayr: /* Format the cart into ext2 */

2011-01-07T23:52:47Z

Format the cart into ext2

← Older revision		Revision as of 23:52, 7 January 2011
Line 16:		Line 16:
	Then unmount your MicroSD card:		Then unmount your MicroSD card:
	umount /media/mmc1/		umount /media/mmc1/
		+
		+	Mark the card partition type as Linux 83
		+	sfdisk -c /dev/mmcblk1 1 83
		+
	Format the card:		Format the card:
	mkfs.ext2 /dev/mmcblk1p1		mkfs.ext2 /dev/mmcblk1p1

angrycore: /* Make the card to automount by system */

2010-10-12T11:25:03Z

Make the card to automount by system

← Older revision		Revision as of 11:25, 12 October 2010
Line 24:		Line 24:
	chown -R user:users /media/mmc1/		chown -R user:users /media/mmc1/

-	===Make the card to ~~automount~~ by system===	+	===Make the card to be automounted by system===
	As described here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] and here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] you have to do the following:		As described here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] and here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] you have to do the following:
	*Become root		*Become root

angrycore: /* Format the cart into ext2 */

2010-10-12T11:23:36Z

Format the cart into ext2

← Older revision		Revision as of 11:23, 12 October 2010
Line 21:		Line 21:
	Now you can try to mount the card manually		Now you can try to mount the card manually
	mount -t ext2 /dev/mmcblk1p1 /media/mmc1/		mount -t ext2 /dev/mmcblk1p1 /media/mmc1/
		+	To fix permissions problem you can do the following:
		+	chown -R user:users /media/mmc1/
		+
	===Make the card to automount by system===		===Make the card to automount by system===
	As described here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] and here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] you have to do the following:		As described here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] and here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] you have to do the following:

angrycore: /* Make the card to automount by system */

2010-10-12T11:16:27Z

Make the card to automount by system

← Older revision		Revision as of 11:16, 12 October 2010
Line 42:		Line 42:
	This way, if mmc-mount is unable to mount it as a vfat card, with all the options, it tries to mount the card with the filesystem type autodetected.		This way, if mmc-mount is unable to mount it as a vfat card, with all the options, it tries to mount the card with the filesystem type autodetected.
	But I've mentioned that it does not work if you don't have loaded kernel module of the file system you are going to use. So if you want to use that approach you have to take care that you have ext2's kernel module loaded before the execution of that script.		But I've mentioned that it does not work if you don't have loaded kernel module of the file system you are going to use. So if you want to use that approach you have to take care that you have ext2's kernel module loaded before the execution of that script.
		+
	Save the file and reboot, now the card have to be mounted automatically in all cases.		Save the file and reboot, now the card have to be mounted automatically in all cases.

angrycore: New page: '''DISCLAIMER: By changing system's internals like described in that article you can easily brake you device! Do at your own risk! Do not type in terminal commands you do not understand! Y...

2010-10-12T11:15:32Z

New page: '''DISCLAIMER: By changing system's internals like described in that article you can easily brake you device! Do at your own risk! Do not type in terminal commands you do not understand! Y...

New page

'''DISCLAIMER: By changing system's internals like described in that article you can easily brake you device! Do at your own risk! Do not type in terminal commands you do not understand! You are fully responsible for your actions.'''

'''WARNING!''' Formatting your MicroSD card to another file system will erase all data on it! Backup the data first!

If you want to format your MicroSD card with ext2 file system to get permissions, symlink/hardlink and big files (bigger than 2 gigabytes) support you have to do the following:

===Format the cart into ext2===
Everything have to be performed as root!
First make sure that you have e2fsprogs package installed
apt-get install e2fsprogs
Check your MicroSD card's device name (I think it have to be the same on all n900's, but it is worth to recheck which device you are going to format anyway)
mount | grep /media/mmc1
The output have to contain something like that:
/dev/mmcblk1p1 on /media/mmc1
here ''/dev/mmcblk1p1'' is the MicroSD's card device name.
Then unmount your MicroSD card:
umount /media/mmc1/
Format the card:
mkfs.ext2 /dev/mmcblk1p1

Now you can try to mount the card manually
mount -t ext2 /dev/mmcblk1p1 /media/mmc1/
===Make the card to automount by system===
As described here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] and here [http://forums.internettablettalk.com/showpost.php?p=510591&postcount=16] you have to do the following:
*Become root
*Back up the file /usr/sbin/osso-mmc-mount.sh
*Use vi or your favourite editor to edit /usr/sbin/osso-mmc-mount.sh
*Make this change (it is line 46 on PR1.1 and PR1.2)
Old:
b | c | e | 4 | 6 | 14 | 16 | 1b | 1c | 1e)
New:
b | c | e | 4 | 6 | 14 | 16 | 1b | 1c | 1e | 83)
*Save the file
*Back up the file /usr/sbin/mmc-mount
*Use vi or your favourite editor to edit /usr/sbin/mmc-mount
*Make the file to contain the following:
<pre>#!/bin/sh
mount -t vfat -o $3,noauto,nodev,noexec,nosuid,noatime,nodiratime,utf8,uid=29999,shortname=mixed,dmask=000,fmask=0133,rodir "$1" "$2" > /dev/null || mount -t ext2 -o $3,noauto,noatime,nodiratime "$1" "$2" > /dev/null </pre>
'''NOTE''' Patola [http://forums.internettablettalk.com/showpost.php?p=574704&postcount=17] originally suggested to modify the file that way:
<pre>#!/bin/sh
mount -t vfat -o $3,noauto,nodev,noexec,nosuid,noatime,nodiratime,utf8,uid=29999,shortname=mixed,dmask=000,fmask=0133,rodir "$1" "$2" > /dev/null || mount -o $3,noauto,noatime,nodiratime "$1" "$2" > /dev/null </pre>
This way, if mmc-mount is unable to mount it as a vfat card, with all the options, it tries to mount the card with the filesystem type autodetected.
But I've mentioned that it does not work if you don't have loaded kernel module of the file system you are going to use. So if you want to use that approach you have to take care that you have ext2's kernel module loaded before the execution of that script.
Save the file and reboot, now the card have to be mounted automatically in all cases.