casper-snapshot poorly documented

Bug #296650 reported by probono
4
Affects Status Importance Assigned to Milestone
casper (Ubuntu)
Won't Fix
Wishlist
Unassigned

Bug Description

Binary package hint: casper

man casper-snapshot says:

-d, —device DEVICE
sets the device where the media which the snapshot/persistence file/partition will be put. If it is not specified, a tmpfs will be used and linked to the user's desktop to move it where it is needed.

casper-snapshot produces a casper-sn.cpio.gz - but what am I supposed to do with it so that it is actually picked up by the Live USB system, used during boot and resynced at each shutdown?

I have been trying to find out for a long time where on my Live USB stick I am supposed to "move it", but I can't seem to figure out "where it is needed".

Please clarify the man page and please actually test the casper-sn.cpio.gz feature end-to-end in order to ensure that it actually works as intended.

Revision history for this message
Clint Byrum (clint-fewbar) wrote :

Hi probono, Thanks for making this bug report and working with us to make Ubuntu Better,

I know its been a long time, and I hope you were able to find your way to casper happiness before now. The man page for 'casper' itself details how to use the snapshots:

"Casper will look for persistent and snapshot partitions or files labeled "casper-rw", "home-rw", and files called "casper-sn*", "home-sn*" and will try to, in order: mount as /cow the first, mount the second in /home, and just copy the contents of the latter in appropriate locations (snapshots). Snapshots will be tried to be updated on reboot/shutdown. Look at casper-snapshot(1) for more informations."

casper is listed in the "SEE ALSO" on the casper-snapshot man page.

Marking status as "Won't Fix", and Importance as "Wishlist"

Changed in casper (Ubuntu):
status: New → Won't Fix
importance: Undecided → Wishlist
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