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authorGerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>2009-10-21 00:21:58 -0300
committerGerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>2009-10-21 00:46:39 -0300
commitdb1dde541c09927eb5f9bc1240a867d92e084cd9 (patch)
tree775b4386ae25a0fcbf9f638f7bc1e0c436d28d15 /archiso/install
parentc801829c615a49bf484b4be792d2f5c3aad4fe8a (diff)
Fix how mkarchiso makes usb image
The current implementation in how partition is created for ext2 img it looks a bit bad. This patch makes the partition in more standarized way, respecting cylinder alignement: * The size of resulting image will be in cylinder multiple ~8MB. * Use fdisk instead of sfdisk (sfdisk write some bad information) * Make the result image in one pass, instead of concatenating. Also the advantage is that with this can add another partitions without any issues in the usb-flash-drive with this .img. For example of current situation: qemu-system-x86_64 -hda archlinux-avr.toolchain.img -serial stdio --------------------------------------------------------------------- [root@avr ~]# fdisk /dev/sda Command (m for help): p Disk /dev/sda: 223 MB, 223974400 bytes 59 heads, 41 sectors/track, 180 cylinders Units = cylinders of 2419 * 512 = 1238528 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sda1 * 1 181 218693+ 83 Linux Partition 1 has different physical/logical beginnings (non-Linux?): phys=(0, 1, 1) logical=(0, 1, 23) Partition 1 has different physical/logical endings: phys=(27, 58, 41) logical=(180, 49, 21) Command (m for help): v Partition 1 has different physical/logical beginnings (non-Linux?): phys=(0, 1, 1) logical=(0, 1, 23) Partition 1 has different physical/logical endings: phys=(27, 58, 41) logical=(180, 49, 21) Partition 1: previous sectors 437449 disagrees with total 67731 62 unallocated 512-byte sectors Command (m for help): --------------------------------------------------------------------- qemu-system-x86_64 -hda archlinux-avr.toolchain-fix.img -serial stdio --------------------------------------------------------------------- [root@avr ~]# fdisk /dev/sda Command (m for help): p Disk /dev/sda: 230 MB, 230307840 bytes 255 heads, 63 sectors/track, 28 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x5c94ca4f Device Boot Start End Blocks Id System /dev/sda1 * 1 28 224878+ 83 Linux Command (m for help): v 62 unallocated 512-byte sectors --------------------------------------------------------------------- Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
Diffstat (limited to 'archiso/install')
0 files changed, 0 insertions, 0 deletions