Creating a large partition and booting off it - Revision history

marcvs at 13:34, 28 May 2010

marcvs — Fri, 28 May 2010 13:34:54 GMT

← Older revision		Revision as of 13:34, 28 May 2010
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	I found it is possible to add a partition to the internal flash card.		I found it is possible to add a partition to the internal flash card.

-	== WARNING: Using this recipe you can lose MyDocs. == ~~Most~~ recent ~~users~~ reported happily not to loose it.	+	== WARNING: Using this recipe you can lose MyDocs. == \
		+	However, the most recent user reported happily not to loose it.
	Make a backup of MyDocs!		Make a backup of MyDocs!

marcvs: /* WARNING: Using this recipe you will lose MyDocs. */

marcvs — Fri, 28 May 2010 13:34:08 GMT

WARNING: Using this recipe you will lose MyDocs.

← Older revision		Revision as of 13:34, 28 May 2010
Line 3:		Line 3:
	I found it is possible to add a partition to the internal flash card.		I found it is possible to add a partition to the internal flash card.

-	== WARNING: Using this recipe you ~~will~~ lose MyDocs. ==	+	== WARNING: Using this recipe you can lose MyDocs. == Most recent users reported happily not to loose it.
	Make a backup of MyDocs!		Make a backup of MyDocs!

marcvs: /* Creation of the new partition */

marcvs — Fri, 28 May 2010 13:33:31 GMT

Creation of the new partition

← Older revision		Revision as of 13:33, 28 May 2010
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	Use parted to shrink the MyDocs partition (on my [[Nokia N900\|N900]] it was the 1st one)		Use parted to shrink the MyDocs partition (on my [[Nokia N900\|N900]] it was the 1st one)
-	parted ~~/dev/mmcblk0~~ print	+	parted
-	parted ~~/dev/mmcblk0 1~~ resize ~~1kb~~ 25GB	+	(parted) print
		+	(parted) resize XXXXXX 25GB
		+	Replace XXXXXX with the value given by parted print

	reboot		reboot

-	Use fdisk to	+	Use fdisk to add the 4th partition right after the 1st one
-	~~# remove the first partition (Because parted makes it not end on a cylinder boundary)~~	+
-	~~# recreate the exactly same partition again (this time ending on a cylinder boundary) Make sure to specify "TYPE C" for vfat~~	+
-	# add the 4th partition right after the 1st one	+

	reboot		reboot

marcvs at 14:34, 26 April 2010

marcvs — Mon, 26 Apr 2010 14:34:47 GMT

← Older revision		Revision as of 14:34, 26 April 2010
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	Copy the device tree (Sure this is too much, but not copying it will not work)		Copy the device tree (Sure this is too much, but not copying it will not work)
	cp -af /dev/* <mountpoint>/dev		cp -af /dev/* <mountpoint>/dev
		+
		+	On the new partition, edit the file etc/event.d/rcS-late. Right after
		+	rm -f $fstab_tmp insert the following lines, which you may want to adapt to your needs:
		+	cat << EOF > $fstab
		+	# marcus-generated 20:11
		+	#rootfs / rootfs defaults,errors=remount-ro,noatime 0 0
		+	/dev/mmcblk0p4 / ext3 rw,defaults,errors=remount-ro,noatime 0 0
		+	/dev/mmcblk0p1 /home/user/MyDocs vfat noauto,nodev,noexec,nosuid,noatime,nodiratime,utf8,uid=29999,shortname=mixed,dm ask=000,fmask=0133,rodir 0 0
		+	/dev/mmcblk0p2 /home ext3 rw,noatime,errors=continue,commit=1,data=writeback 0 0
		+	/dev/mmcblk0p3 none swap sw 0 0
		+	EOF
		+

	Using bootmenu.sh and this entry in /etc/bootmenu.d I can now boot into my new 3.7GB root drive		Using bootmenu.sh and this entry in /etc/bootmenu.d I can now boot into my new 3.7GB root drive

amigadave: add {{danger}}

amigadave — Mon, 26 Apr 2010 08:04:18 GMT

add {{danger}}

← Older revision		Revision as of 08:04, 26 April 2010
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		+	{{danger}}
		+
	I found it is possible to add a partition to the internal flash card.		I found it is possible to add a partition to the internal flash card.

amigadave: n900 link

amigadave — Mon, 26 Apr 2010 07:58:26 GMT

n900 link

← Older revision		Revision as of 07:58, 26 April 2010
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	/home cannot be umounted, unfortunately. But this didn't do any harm to /home		/home cannot be umounted, unfortunately. But this didn't do any harm to /home

-	Use parted to shrink the MyDocs partition (on my N900 it was the 1st one)	+	Use parted to shrink the MyDocs partition (on my [[Nokia N900\|N900]] it was the 1st one)
	parted /dev/mmcblk0 print		parted /dev/mmcblk0 print
	parted /dev/mmcblk0 1 resize 1kb 25GB		parted /dev/mmcblk0 1 resize 1kb 25GB

amigadave: Category:Power users

amigadave — Mon, 26 Apr 2010 07:57:43 GMT

Category:Power users

← Older revision		Revision as of 07:57, 26 April 2010
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	/dev/mmcblk0p2 2,0G 129M 1,8G 7% /home		/dev/mmcblk0p2 2,0G 129M 1,8G 7% /home
	/dev/mmcblk0p1 24G 7,9G 16G 34% /home/user/MyDocs		/dev/mmcblk0p1 24G 7,9G 16G 34% /home/user/MyDocs
		+
		+	[[Category:Power users]]

91.20.215.3: /* WARNING: Using this recipe you will loose MyDocs. */

91.20.215.3 — Sun, 25 Apr 2010 20:47:14 GMT

WARNING: Using this recipe you will loose MyDocs.

← Older revision		Revision as of 20:47, 25 April 2010
Line 1:		Line 1:
	I found it is possible to add a partition to the internal flash card.		I found it is possible to add a partition to the internal flash card.

-	== WARNING: Using this recipe you will ~~loose~~ MyDocs. ==	+	== WARNING: Using this recipe you will lose MyDocs. ==
	Make a backup of MyDocs!		Make a backup of MyDocs!

marcvs: Partitioning the internal flash card moved to Creating a large partition and booting off it: Added more content so it deserved a new title. This page might want to be categorized as PowerUser, but I have no clue how to

marcvs — Sun, 25 Apr 2010 20:43:30 GMT

Partitioning the internal flash card moved to Creating a large partition and booting off it: Added more content so it deserved a new title. This page might want to be categorized as PowerUser, but I have no clue how to

← Older revision

Revision as of 20:43, 25 April 2010

marcvs: Rewrote it

marcvs — Sun, 25 Apr 2010 20:41:32 GMT

Rewrote it

← Older revision		Revision as of 20:41, 25 April 2010
Line 1:		Line 1:
	I found it is possible to add a partition to the internal flash card.		I found it is possible to add a partition to the internal flash card.
-	~~WARNING: Using this recipe you will loose MyDocs.~~

		+	== WARNING: Using this recipe you will loose MyDocs. ==
		+	Make a backup of MyDocs!
		+
		+	= Creation of the new partition =
	umount /home/user/MyDocs		umount /home/user/MyDocs

Line 7:		Line 10:

	Use parted to shrink the MyDocs partition (on my N900 it was the 1st one)		Use parted to shrink the MyDocs partition (on my N900 it was the 1st one)
		+	parted /dev/mmcblk0 print
		+	parted /dev/mmcblk0 1 resize 1kb 25GB

	reboot		reboot
Line 12:		Line 17:
	Use fdisk to		Use fdisk to
	# remove the first partition (Because parted makes it not end on a cylinder boundary)		# remove the first partition (Because parted makes it not end on a cylinder boundary)
-	# recreate the exactly same partition again (this time ending on a cylinder boundary)	+	# recreate the exactly same partition again (this time ending on a cylinder boundary) Make sure to specify "TYPE C" for vfat
	# add the 4th partition right after the 1st one		# add the 4th partition right after the 1st one

	reboot		reboot

-	Enjoy the new partition.	+	Enjoy the new partition.
		+	The result might look similar to this one
		+	Disk /dev/mmcblk0: 32.0 GB, 32015122432 bytes
		+	4 heads, 16 sectors/track, 977024 cylinders
		+	Units = cylinders of 64 * 512 = 32768 bytes
		+	Disk identifier: 0x000c260e
		+
		+	Device Boot Start End Blocks Id System
		+	/dev/mmcblk0p1 1 762940 24414072 c W95 F AT32 (LBA)
		+	/dev/mmcblk0p2 884866 950401 2097152 83 Linux
		+	/dev/mmcblk0p3 950402 974977 786432 82 Linux swap / Solaris
		+	/dev/mmcblk0p4 762941 884865 3901600 83 Linux
		+
		+	== Using the new partition ==
		+	Using bootmenu.sh you can in fact boot from that partition.
		+	(I got bootmenu.sh via svn from https://garage.maemo.org/plugins/scmsvn/viewcvs.php?view=rev&root=bootmenu&revision=53 using trunk/install_bootmenu)
		+
		+	Copy the stuff of your root dist to the new one
		+	rsync -rlutopgxv / <mountpoint of new partition>
		+
		+	Copy the device tree (Sure this is too much, but not copying it will not work)
		+	cp -af /dev/* <mountpoint>/dev
		+
		+	Using bootmenu.sh and this entry in /etc/bootmenu.d I can now boot into my new 3.7GB root drive
		+	ITEM_NAME="Internal part 4"
		+	ITEM_ID="mmc4"
		+	ITEM_DEVICE="mmcblk0p4"
		+	ITEM_MODULES="mbcache jbd ext2"
		+	ITEM_FSTYPE="ext2"
		+	ITEM_FSOPTIONS="noatime"
		+	ITEM_LINUXRC=""
		+	ITEM_FBMODE=""
		+
		+	== Result ==
		+	[root@phon:~/bootmenu]$ df -h
		+	Filesystem Size Used Avail Use% Mounted on
		+	rootfs 3,7G 524M 3,0G 15% /
		+	ubi0:rootfs 228M 192M 33M 86% /mnt/initfs
		+	/dev/mmcblk0p4 3,7G 524M 3,0G 15% /
		+	tmpfs 1,0M 60K 964K 6% /tmp
		+	tmpfs 256K 84K 172K 33% /var/run
		+	none 10M 76K 10M 1% /dev
		+	tmpfs 64M 4,0K 64M 1% /dev/shm
		+	/dev/mmcblk0p2 2,0G 129M 1,8G 7% /home
		+	/dev/mmcblk0p1 24G 7,9G 16G 34% /home/user/MyDocs