Copying a config file to running-config using RCP is failed on some of our switches. Error messages is "rcp: running-config: No such file or directory" in unix servers.

Switch#sh run | i rcmd
ip rcmd remote-host <local-username> {ip-address} <remote-username> [enable] 
Switch#

[UNIX server ~]$ /usr/bin/rcp ./rcptest <devicename>:running-config
rcp: running-config: No such file or directory
[UNIX server ~]$


Copying a file to flash is working.

[UNIX server ~]$ /usr/bin/rcp ./rcptest <devicename>:running-config.txt
[UNIX server ~]$

Swtich#dir flash:
Directory of flash:/

    2  -rwx        1172   Jan 4 2014 01:48:52 -05:00  vlan.dat
    3  -rwx    13437143  Apr 20 1905 14:36:50 -04:00  c3560e-universalk9-mz.122-52.EX1.bin
    4  -rwx        2072   Apr 4 2014 04:17:40 -04:00  multiple-fs
    5  -rwx          37   Apr 4 2014 04:33:19 -04:00  running-config.txt   <--------------------
    6  -rwx    19680178  Apr 11 2013 18:00:43 -04:00  c3560e-universalk9-mz.150-2.SE.bin
    8  -rwx       32940   Apr 3 2014 05:30:43 -04:00  test
    7  -rwx        1913   Apr 4 2014 04:17:40 -04:00  private-config.text
    9  -rwx       15283   Apr 4 2014 04:17:40 -04:00  config.text

57931776 bytes total (24486912 bytes free)
Switch#

Symptom:
Copying a config file to running-config using RCP is failed on some of our switches. Error messages is "rcp: running-config: No such file or directory" in unix servers.

Switch#sh run | i rcmd
ip rcmd remote-host <local-username> {ip-address} <remote-username> [enable] 
Switch#

[UNIX server ~]$
[UNIX server ~]$ /usr/bin/rcp ./rcptest trn2-lab-sw1:running-config
rcp: running-config: No such file or directory
[UNIX server ~]$


Copying a file to flash is working.

[UNIX server ~]$ /usr/bin/rcp ./rcptest <devicename>:running-config.txt
[UNIX server ~]$

Switch#dir flash:
Directory of flash:/

    2  -rwx        1172   Jan 4 2014 01:48:52 -05:00  vlan.dat
    3  -rwx    13437143  Apr 20 1905 14:36:50 -04:00  c3560e-universalk9-mz.122-52.EX1.bin
    4  -rwx        2072   Apr 4 2014 04:17:40 -04:00  multiple-fs
    5  -rwx          37   Apr 4 2014 04:33:19 -04:00  running-config.txt   <--------------------
    6  -rwx    19680178  Apr 11 2013 18:00:43 -04:00  c3560e-universalk9-mz.150-2.SE.bin
    8  -rwx       32940   Apr 3 2014 05:30:43 -04:00  test
    7  -rwx        1913   Apr 4 2014 04:17:40 -04:00  private-config.text
    9  -rwx       15283   Apr 4 2014 04:17:40 -04:00  config.text

57931776 bytes total (24486912 bytes free)
Switch#

Conditions:
HW: cisco SM-ES3G-16-P
SW: c3560e-universalk9-mz.150-2.SE.bin