I got an annoying problem with accessing files on a JFS partitition:
Partitition was created under OS/2's JFS and also filled with data under OS/2.
I have tested since long the compatibility of a JFS filesystem with OS/2 and
Linux:
Linux does not touch the EA's (extended attributes) created by OS/2
OS/2 does not touch UID and GID and access rights created by Linux.
So achtually all should be fine - and I never lost any data, but:
When I mount such a partitition under Linux, all the files written by OS/2 do
not have any acces rights assigned and the owner is 'root' and group is 'root'.
I have placed the mount-options in FSTAB for /dev/hda11 this way:
noauto,user,suid
this does allow the mounting and umounting by me working as a 'user',
but I do not have any rights to access the files (those with no attributes).
The only way is to open a root-terminal and issue
chmod -R 777 <mountpoint>
chown -R ingo <mountpoint>
(<mountpoint> is the directory where the partitition is mounted to, ingo is
my user name).
This information is then written to the filesystem and becomes persistant.
But whenever I add a new file under OS/2, I first have to become root and
assigne the rights as above.
Unfortunately Linux-JFS does not accept the mount-options
uid, gid, umask=... added in the FSTAB, so it is very inconveniant to
exchange files between the two operating systems.
Does anybody know how to solve this dilemma - seems to be Linux-related?
Best regards,
Ingo
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