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Full Discussion: Source port on AIX for NAS is same?
Operating Systems AIX Source port on AIX for NAS is same? Post 303018128 by anil1000 on Tuesday 29th of May 2018 03:32:54 PM
Old 05-29-2018
In AIX system, we face NAS issue on system.

Working:-
Code:
root]df -gt
/ 
/boot
/var
10.208.108.9:/data /data <- NAS  mount point


Not working:-
Code:
/
/boot
/var
NFS is trying to mount using 10.208.108.9

in AIX , if we type "nfso -a"
we see some parameters, in which there is one which states that
Code:
nfs_use_reserved ports= 1 (use ports less than 1024)
nfs_use_reserved ports= 0(use ports more than 1024)

however keeping "0" value here does resolve the NAS issue of mounting but it is not safe as per SCD to allow NAS coomunication to happen between aix client and storage on random ports.

but when we keep 1 we face the issue as it only takes 1021 1022 1023 ports as source port for mounting.

so my question is , can we specified that only 3000 to 3020 ports be used for NAS mount points?

Thanks
 

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LEARN ABOUT OPENDARWIN

systemd-volatile-root.service

SYSTEMD-VOLATILE-ROOT.SERVICE(8)			   systemd-volatile-root.service			  SYSTEMD-VOLATILE-ROOT.SERVICE(8)

NAME

       systemd-volatile-root.service, systemd-volatile-root - Make the root file system volatile

SYNOPSIS

       systemd-volatile-root.service

       /lib/systemd/systemd-volatile-root

DESCRIPTION

       systemd-volatile-root.service is a service that replaces the root directory with a volatile memory file system ("tmpfs"), mounting the
       original (non-volatile) /usr inside it read-only. This way, vendor data from /usr is available as usual, but all configuration data in
       /etc, all state data in /var and all other resources stored directly under the root directory are reset on boot and lost at shutdown,
       enabling fully stateless systems.

       This service is only enabled if full volatile mode is selected, for example by specifying "systemd.volatile=yes" on the kernel command
       line. This service runs only in the initial RAM disk ("initrd"), before the system transitions to the host's root directory. Note that this
       service is not used if "systemd.volatile=state" is used, as in that mode the root directory is non-volatile.

SEE ALSO

       systemd(1), systemd-fstab-generator(8), kernel-command-line(7)

systemd 237													  SYSTEMD-VOLATILE-ROOT.SERVICE(8)
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