I tried to add the $TMPDIR by export, however the "mkdir: No such file or directory" is still occurred.
Then, I used the original ssh to login remote node to give a look in its environment variables,. I found that the $TMPDIR did not exist actually in this case. However, when I run the hboot in shell ( opened by original ssh client), I got another messages (it seems ok and just said missing some parameters) but "mkdir: No such file or directory".
What next idea?
I don't know what default configuration parameters hboot need to run. Because the modified ssh use a login account that does not practically exist in remote node, MPI application knows the account since it holds the necessary information stored in struct passwd. The struct passwd can only provide uid, gid, home directory, and shell path. I don't know whether hboot needs other prerequisties besides identity-related information.
Thanks again,
Ann
The error about no such file or directory is that the command "hboot"
called the system call mkdir() and it failed. hboot tries to make a
directory in the temporary directory (found by looking at $TMPDIR
then /tmp). If the directory specified in $TMPDIR doesn't exist or /
tmp doesn't exist, then you could get this error.
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