I am trying to mount a logfs-formatted file system on Ubuntu Server 11.10. Here's what I've done:
# apt-get install logfs-tools
# mkfs.logfs /dev/sda5
...
Finished generating LogFS
# mount -t logfs /dev/sda5 /tmp/fs5
mount: unknown filesystem type 'logfs'
am I missing a modprobe or something?
UBIFS is a successor to JFFS2, and competitor to LogFS. UBIFS does not work with what many people considers flash devices like flash-based hard drives, SD cards, USB sticks, etc.; because those devices use a block device emulation layer called FTL (Flash Translation Layer) that make they look like traditional block-based storage devices to the outside world. UBIFS instead is designed to work with flash devices that do not have a block device emulation layer and that are handled by the MTD subsystem and present themselves to userspace as MTD devices.
The same applies for JFFS2 -- UBIFS is more of a new/improved drop-in for JFFS2. So if you a trying to install UBIFS/JFFS2/LogFS at USB Flash drive it make no sense. In case flash devices that do not have a block device emulation layer like router or smartphone it does make sense.
But I guess you not going to install Ubuntu Server on top of your router/smartphone or something like that.
Hope it'll help.
