Re: Theoretical question disk space question

2002-02-22 Thread Dave Ihnat
On Fri, Feb 22, 2002 at 04:48:15PM +1100, Cameron Simpson wrote: > Of course not. That would be Very Bad. (Consider: the files reappear after > unmount - what would be in them if the OS freed their storage?) This used to be, incidentally, a common way to hide programs from users in Unix. The sys

Re: Theoretical question disk space question

2002-02-22 Thread Charles Galpin
On Fri, 2002-02-22 at 00:48, Cameron Simpson wrote: > Generally with a mountpoint you either: > > - Store NOTHING underneath it, for the obvious reason. > that most of the time it will be inaccessible. > This effectively avoids your "wasted space" scenario. the is reminds

Re: Theoretical question disk space question

2002-02-21 Thread Cameron Simpson
On 18:53 20 Feb 2002, Monte Milanuk <[EMAIL PROTECTED]> wrote: | Well, more what I was wondering is whether that diskspace ever gets | reclaimed as it is unused while the remote directory is mounted over it, | and whether there is any way of accessing that diskspace/ those files | while the remote

Re: Theoretical question disk space question

2002-02-21 Thread Monte Milanuk
On Thu, 21 Feb 2002 15:31:57 -0800 (PST) David Talkington <[EMAIL PROTECTED]> wrote: > Ah, grasshopper, you've discovered one of the seventh wonders of the > world -- the 'masking' effect when one filesystem is mounted on top of > another. :-) > > You can get the same effect with any mount, l

Re: Theoretical question disk space question

2002-02-21 Thread Cameron Simpson
On 19:04 21 Feb 2002, rpjday <[EMAIL PROTECTED]> wrote: | > [...] It's still | > there, obviously, as you saw ... there's just no access path to it. | although with this release of red hat (7.2), those processes that | had open files "underneath" the new mount point still have access | to those

Re: Theoretical question disk space question

2002-02-21 Thread rpjday
On Thu, 21 Feb 2002, David Talkington wrote: > Ah, grasshopper, you've discovered one of the seventh wonders of the > world -- the 'masking' effect when one filesystem is mounted on top of > another. :-) > > You can get the same effect with any mount, local or nfs. If you fill > /usr/local

Re: Theoretical question disk space question

2002-02-21 Thread David Talkington
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Monte Milanuk wrote: >Now for the question part. Now, I log out as the user, and log in as >root, and mount the servers /home directory as /home on the client. So >now when I log in as a user on either machine, I have a persistent view of >my home

Theoretical question disk space question

2002-02-21 Thread Monte Milanuk
Ok. This is one that has had me wondering for a while now: Lets say I have a server that exports /home via NFS. And I have clients that mount /home via NFS from that server. When I go thru the initial setup, and create a user, though, the '/home' that is used is not (yet) the one on the server