DDWRT and Saving an EXT2 Installation: Difference between revisions

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**umount /dev/sdaX (some services like smb and proftpd might be using the partition, so stop)
**umount /dev/sdaX (some services like smb and proftpd might be using the partition, so stop)
**If it runs into issues or complains: e2fsck -v -y (-y answers yes to everything)
**If it runs into issues or complains: e2fsck -v -y (-y answers yes to everything)
**mke2fs or mkfs.ext2 -L WhatEverLabel /dev/sdaX
*To Defragment: e2defrag /dev/sdaX (again, make sure to unmount device, umount /dev/sdaX)
*To format an EXT2 paritition: mke2fs or mkfs.ext2 -L WhatEverLabel /dev/sdaX
**Remember to un-mount it first: umount /dev/sdaX (see smb and proftpd notes above)
**...wait FOREVER if it is a USB drive (about an hour for a small EXT2 partition on a USB 2.0 port)
**...wait FOREVER if it is a USB drive (about an hour for a small EXT2 partition on a USB 2.0 port)
*To Defragment: e2defrag /dev/sdaX (again, make sure to unmount device, umount /dev/sdaX)
**If one forgets to change the label during format: tune2fs –L WhatEverName /dev/sdaX
*To copy files back and forth between a known good and a messed up partition: cp -ax /tmp/mnt/sda_partX /tmp/mnt/sda_partY
**And don't forget to copy everything back over: cp -ax /tmp/mnt/sda_partX /tmp/mnt/sda_partY
*General Information:
*General Information:
**SuperBlock: 1st one typically at 32768
**SuperBlock: 1st one typically at 32768


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