[magick-users] Help! I don't understand delegates. ImageMagick failure on AIX (100% make test errors)

[David Favor]

Rich Cook wrote:
> 
> What are DFS and GSA?  How can I tell if I'm running on them?   The file 
> system I'm installing and running on is a global, cross-platform file 
> system.  To my knowledge, there are no ACL's being used.  And there are 
> no error messages about permissions being denied.

Yes. This is clear from what '~' expands to:

    /g/g0/rcook/...

All cross platform, global filesystems used internally at IBM have some
form of extended ACLs which render simple file permission tests useless.

Talk with you administrator about this if you require knowing exactly what
you're using. When I left IBM (a glorious day) years ago there was an internal
push to transition to GSA.

And... You're still best served to get this working on a local disk first,
to ensure all is well, as you'll probably be using xlc as your compiler.
Better part of valor is to get everything working on a local disk first,
then try on your global filesystem.

One option may be to open all extended ACLs on a directory, in other words
all read/write/execute/lock etc. are open. This may allow you to get a working
system... after you verify all is well on an local disk. Once you have a working
system on an global filesystem, you can play with closing one set of ACL perms
at a time, to ensure ImageMagick works with every ACL change. Again, refer to
your administrator for assistance.

Once you know what you're really using (DFS/GSA/GPFS/GFS) you can change
your ACLs accordingly.

- David

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