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pl1nk
Asked: 2012-07-21 09:43:13 +0800 CST

How to resize an ext4 encrypted home partition?

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Which is the best way in order to resize an encrypted (ecryptfs) ext4 home partition ?

Pros nad Cons of each method are greatly appreciated.

$ fdisk -l
Disk /dev/sda: 256.1 GB, 256060514304 bytes
255 heads, 63 sectors/track, 31130 cylinders, total 500118192 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *          63    41945714    20972826    7  HPFS/NTFS/exFAT
/dev/sda2       207007744   211206554     2099405+  82  Linux swap / Solaris
/dev/sda3        42946560    82008063    19530752   83  Linux
/dev/sda4        82008064   207007743    62499840   83  Linux
encryption

2 Answers

  1. Best Answer

    Boot Ubuntu from the LiveCD (or a USB-key) and run gparted. In the top-right you can select your harddisk. When it is selected you can just right-click on the partition and chose resize.

    eCryptfs encrypts single files and not the whole partition. So can safely resize the partition as you like. Remember that you should have backups of your things!

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  2. eCryptfs doesn't have on-disk partitions. To be safe, be sure that you've unmounted your eCryptfs-encrypted home directory and then follow the usual steps to resize the ext4 filesystem.

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