[GE users] Managing user access to scratch space
jagladden
gladden at chem.washington.edu
Fri Jul 3 00:15:55 BST 2009
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Rayson,
Thanks for the information.
James
rayson wrote:
On 7/2/09, jagladden <gladden at chem.washington.edu><mailto:gladden at chem.washington.edu> wrote:
I am guessing that when sge_execd creates the scratch directory it is
running as user "sge", is that correct? So if I set up the scratch
partitions such that the "sge" user has write permission, but not the
world, this should work? Right?
execd creates the scratch directory as root. In daemons/execd/tmpdir.c :
sge_switch2start_user();
sge_mkdir(tmpdir, 0755, 0, 0);
chown(tmpdir, uid, gid);
sge_switch2admin_user();
In most cases, root is used to create the TMPDIR. Root is also used to
chown the directory to the job owner.
Rayson
James Gladden
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