Since LAM came installed with your OS, we can't know exactly
what is
wrong (i.e., it may have been packaged oddly).
Is hboot a binary executable or a script? If it's a script,
is it
trying to invoke the mkdir command and failing because
mkdir(1) does
not exist on the back-end node?
Does /tmp exist and is it writable? What does running
"hboot -d"
manually on the back-end node (interactively or via ssh)
result in?
Do you get a lamd running?
LAM does not require any additional identity information
that you
mentioned -- a valid shell, UID, and $HOME are good enough.
Also -- is there a reason you're not using Open MPI? All of
our work
is centered around Open MPI these days. LAM/MPI is in
maintenance mode.
On Nov 23, 2007, at 1:06 AM, An Ching wrote:
> 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.
>
>
>
> ÑÅ»¢ÓÊÏ䣬ÖÕÉú»ï°é£¡
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Jeff Squyres
Cisco Systems
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