Hi,
I am Sreeram. This question is related to NFS.
I have a typical scenario. Please assume that there are 3 machines
M1, M2, M3. Each of them are having directories /tmp/abc in them. All
the NFS permissions are set appropriately.
Now, a user mounts M2's /tmp/abc on M1's /tmp/abc by issuing mount
command on M1. Mount is successful.
Then the user mounts M3's /tmp/abc on M2's /tmp/abc by issuing
mount command on M2. Mount successful.
Now I would expect the contents of M3's /tmp/abc to be shown as
output of 'ls' issue on M1. But this is not happening. I am unable to
comprehend the reason. Could you please guide me?
According to me, the contents of M3 should have shown up in M1's
'ls' command, because the /tmp/abc of M1 is nothing but a *live*
reflection of /tmp/abc of M2. So whatever changes are done to M2's
/tmp/abc should be reflected on M1. Here, M2's /tmp/abc is mounting M3's
/tmp/abc and so this change should be reflected on M1's /tmp/abc as
well. But this isn't happening.
Kindly suggest if I am incorrect in my understanding or usage.
The command I am using is:
On M1: mount -t nfs M2:/tmp/abc /tmp/abc
On M2: mount -t nfs M3:/tmp/abc /tmp/abc
Regards,
Sreeram
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