I believe NFSv4. On the machine that contains the physical disks (is
that the "server" or the "NSF mount"?) the relevant line from /etc/fstab
seems to be
UUID=bde58f42-4ac4-4763-b0a8-f83723f0e2a0 /home ext4 defaults 1 2
while on my front-end machine its
mseas-data2:/home /home nfs defaults 0 0
where mseas-data2 is the name of the machine that contains the physical
disks. Note that it isn't just root that's becoming "nobody" but all
the users
Thanks
On 08/29/2016 07:14 PM, John R Pierce wrote:
On 8/29/2016 3:59 PM, Pat Haley wrote:
We are running a cluster under CentOS 6.6. We recently attached a
new NAS device, running CentOS 6.8 and rsync'd our user file system
to it. We noticed that all the files were owned by nobody (with
nobody as the group). We copied over the /etc/passwd and /etc/group
files from our front-end server to our NAS server. If we log in to
the NAS server we see the files owned by their correct owners.
However, doing an ls from the front-end server or any of the compute
nodes still shows the files owned by "nobody". We rebooted one of
the compute nodes but it still sees the files owned by nobody.
a CentOS server isn't really a 'NAS device', as NAS implies an
appliance storage device.
this is NFS? NFSv3, or NFSv4? what NFS options are on the server
and on the NFS mount? quite often NFS servers force root to nobody.
--
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Pat Haley Email: phaley@xxxxxxx
Center for Ocean Engineering Phone: (617) 253-6824
Dept. of Mechanical Engineering Fax: (617) 253-8125
MIT, Room 5-213 http://web.mit.edu/phaley/www/
77 Massachusetts Avenue
Cambridge, MA 02139-4301
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