Running 'ls -l' on a SAN file system hangs

Issue

• ls -l /data command hangs. (/data is a san mount)

• sosreport failed with the following errors:

sosreport
shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory

sosreport (version 2.2)
error: db3 error(12) from dbenv->open: Cannot allocate memory
error: db3 error(12) from dbenv->close: Cannot allocate memory
error: cannot open Packages index using db3 - Cannot allocate memory (12)
error: cannot open Packages database in /var/lib/rpm
error: db3 error(12) from dbenv->open: Cannot allocate memory
error: db3 error(12) from dbenv->close: Cannot allocate memory
error: cannot open Packages database in /var/lib/rpm
error: db3 error(12) from dbenv->open: Cannot allocate memory
error: db3 error(12) from dbenv->close: Cannot allocate memory
error: cannot open Packages database in /var/lib/rpm
error: db3 error(12) from dbenv->open: Cannot allocate memory
error: db3 error(12) from dbenv->close: Cannot allocate memory
error: cannot open Packages database in /var/lib/rpm
error: db3 error(12) from dbenv->open: Cannot allocate memory
error: db3 error(12) from dbenv->close: Cannot allocate memory
error: cannot open Packages database in /var/lib/rpm
no such option "topoutput" for plugin (kvm)
shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory