This is quite possible, and having just gone thru this recently a few
weeks ago, I thought I post a warning here to hopefully save someone
else from the brain-fart I suffered a few weeks ago. I needed to change
the mount point permissions w/out umounting the filesystems in a few
places, so I remounted / over /tmp/mnt (that was my brain fart, should
have used /mnt/tmp). Did my thing, changed what I needed to and then
got sidetracked on other things and never got around to umount'ing
/tmp/mnt. Next day I started noticing weirdness, and then realized
cron.daily fired off it's tmpwatch run and it happily started cleaning
older things from /tmp/mnt/... :-(
- Jerry
Frank.Brodbeck@xxxxxxxxxx wrote:
> This is absolutely untested but it could work: mount / to /mnt and delete
> the data from there. Dig into mount(8) and test this somewhere outside
> the production area:
>
> --bind Remount a subtree somewhere else (so that its contents are
> available in both places). See above.
>
> But again, this is untested and nothing more but a wild guess.
>
>
>
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