[Bug 1877222] Re: Casper-rw Persistence files not working with 20.04

[C.S.Cameron]

The persistent file/partition name in Ubuntu 20.04 has been officially
changed from casper-rw to writable.

On my computer a persistent partition can be named either casper-rw or
writable and it will still work.

However a persistent file must now be named writable.

One Live USB expert compared this to America changing the name of the
dollar to "valuable".

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https://bugs.launchpad.net/bugs/1877222

Title:
  Casper-rw Persistence files not working with 20.04

Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  I have just noticed that casper-rw persistent files are not working
  with Ubuntu 20.04 when booted from an ISO file.

  Persistent partitions are working, however persistent partitions do
  not work with "persistent-path" and only one persistent partition is
  allowed per USB disk.

  This means that a multiboot, multipersistence USB drive is no longer
  possible using ISO files.

  Hopefully someone will point out that I am making an error somewhere.

  I have also just tested BIOS boot of a Persistent UNetbootin USB drive
  and there is no persistence.

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