[ale] Writing to NFS

David Corbin dcorbin at machturtle.com
Tue Nov 11 12:14:59 EST 2003


On Tuesday 11 November 2003 10:40, Dow Hurst wrote:
> Why would the group suid bit be on?
>
> I would expect:
>
> drwxr-xr-x
>
> but not with suid bits set on a mount point.  Is there some special
> group that needs suid access?
> Dow
>

Doesn't that ensure that child files and directories inherit those 
permissions, as opposed to actually giving suid access?


> David Corbin wrote:
> >On Tuesday 11 November 2003 10:24, Dow Hurst wrote:
> >>Your underlying mount point's permissions override the mount permissions
> >>in IRIX.  I haven't tested this in Linux.  Umount the filesystem and
> >>check to see if the mount point is writeable by root.
> >
> >Here is the umounted mount point.
> >
> >drwxr-sr-x   69 dcorbin  dcorbin      4096 Nov 11 10:30 foobar/
> >
> >>Dow
> >>
> >>David Corbin wrote:
> >>>Can someone explain why the file system is read-only?  mount says it's
> >>>not. /etc/exports has the rw option on it.
> >>>
> >>>$ mount | tail -1
> >>>foobar:/home/dcorbin on /data/home/dcorbin/foobar type nfs
> >>>(rw,noexec,nosuid,nodev,addr=192.168.99.3,user=dcorbin)
> >>>$ pwd
> >>>/data/home/dcorbin/foobar
> >>>$ echo >junk
> >>>-bash: junk: Read-only file system

-- 
David Corbin <dcorbin at machturtle.com>



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