[Bug 575469] Re: recovery mode mounts filesystems read-write rather than read-only

[Chris J]

Can you not tell mountall to force ro instead of rw?  It's just that
ro->rw remounts are easy and safe, while rw->ro remounts are not (you
have no guarantee that the filesystem is actually ro in this state).  To
me it would have seemed like an obvious thing to mount the filesystems
ro and remount them rw when needed, and there are lots of things where
rw isn't needed.  If it would be a big change, then it seems obvious to
me that it's been doing it wrong from the outset.

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https://bugs.launchpad.net/bugs/575469

Title:
  recovery mode mounts filesystems read-write rather than read-only

Status in “friendly-recovery” package in Ubuntu:
  Confirmed
Status in “friendly-recovery” source package in Oneiric:
  Confirmed

Bug description:
  Binary package hint: friendly-recovery

  In recovery mode, filesystems should probably be mounted read-only,
  since pending any problems they can safely be remounted read-write,
  while the reverse is not necessarily true.  This means that operations
  such as fsck, badblocks, zerofree, etc. are not possible without
  having to use a boot CD, and ensuring that any additional binaries are
  compatible.  One should assume that booting into recovery mode is
  either deliberate or has come about because of a problem.

  f-r 0.2.10 on lucid/2.6.32-21-generic

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