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DISCUSSION Dipl.-Ing. Michael Niederle 2 participants 2 messages Jun 11, 2009 – Jun 12, 2009 2 messages not in the archive NILFS2 filesystem

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#2 lore raw

Hi!

I found the item "checkpoint rollback" in the todo-list. By "checkpoint rollback" you mean discarding all changes since a given checkpoint?

Such a feature would be *very* nice! I can't imagine that it should be very complicated to implement, but I might be wrong.

In SIMPLUX (a live distribution) users shall have a chance to abolisch all changes made in a session. So I would create a snapshot at each startup and remove all checkpoints created afterwards to revert to the previous state if user decides to do so.

Greetings, Michael

#3 lore raw

Hi,

Quoted 4 lines · Dipl.-Ing. Michael Niederle

Hi!

I found the item "checkpoint rollback" in the todo-list. By "checkpoint rollback" you mean discarding all changes since a given checkpoint?

Yes, exactly.

Quoted 9 lines

Such a feature would be *very* nice! I can't imagine that it should be very complicated to implement, but I might be wrong.

In SIMPLUX (a live distribution) users shall have a chance to abolisch all changes made in a session. So I would create a snapshot at each startup and remove all checkpoints created afterwards to revert to the previous state if user decides to do so.

Greetings, Michael

I imagine it is likely be compilcated in NILFS because a few metadata files have no past versions in the current implementation.

Nilfs can change checkpoints to snapshots in later. So, I think the rollback feature should inherit this characteristics. That is, rollback without a prior make-snapshot operation.

Cheers,
Ryusuke Konsihi