[PATCH] Mask the tmp.mount service to avoid tmpfs

Will Woods wwoods at redhat.com
Thu Aug 16 15:30:57 UTC 2012


On Wed, 2012-08-15 at 13:59 -0700, Jesse Keating wrote:
> Anaconda runtime is already in memory, no need to use tmpfs here.  In
> fact use of tmpfs here will overwrite any updates content that was put
> in place by dracut.

Not a great idea - we want to avoid using the live overlay unless
necessary:

1) filling the overlay leads to Bad Explodey Problems,
2) tmpfs is can be swapped to disk, but the overlay can't,
3) we shouldn't depend on root+usr being writable [NA here though]

Also we should avoid diverging from Standard System Setup when we can.

When switch_root happens, /run gets moved to the new system.
Maybe we should be writing our updates etc. under /run instead?

-w



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