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demo4119's avatar
demo4119
Level 6
13 years ago

CORBA communication error (195)

after i have upgraded my netbackup master from 6.0MP5 to 6.5 then to 7.5 and upgrading of the Netbackup master server completed successful .

But when i reboot the HP unix media server which is still running on 6.0MP5 media server with tape storageunit the status of the media server is showing active for disk only when i run a nbemmcmd -listhosts -verbose.

So i have tried to run a nbemmcmd -getemmserver from the affected hp unix media server and i got this output showing below. I have also checked that the port 1556 , 13724 and 13722 is open between master bi-directional using the telnet.

NBEMMCMD. Version:6.0MP5(20060530)
The function returned the following failure status:
CORBA communication error (195)
Command did not complete successfully.

7.5
Backup and Recovery
NetBackup
Troubleshooting
  • mph999's avatar
    mph999
    13 years ago

    Might just be quicker to upgrade the media servers than investigate this.

    To be honest, I agree it should be working, but these are an old level, and any backup environment is best it everything is up-to-date.

    6.x  is out-of-support soon, so I'd just upgrade them - hopefully this will resolve the issue.

    Martin

14 Replies

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  • mph999's avatar
    mph999
    Level 6
    13 years ago

    I was thinking it might be compatability, but having just checked ..

     

    "Backward Compatibility"
    NetBackup 6.x client and media server are supported with NetBackup 7.x servers. See Article TECH70729 <http://www.symantec.com/docs/TECH70729> for
    NetBackup 6.x OS Software Compatibility List.

     

    Martin

  • demo4119's avatar
    demo4119
    Level 6
    13 years ago

    OS is not the issue at this point and i have also checked the netbackup can have a mixed of 6.X for media and client .

  • Marianne's avatar
    Marianne
    Level 6
    13 years ago

    Please run these two commands on the master and post output?

    nbemmcmd -listhosts -verbose

    nbemmcmd -getemmserver

    These commands will attempt to connect to all media servers and produce output received from media servers.

     

  • demo4119's avatar
    demo4119
    Level 6
    13 years ago

                              HOST STATUS
    Host Name                                  Version   Host Status
    =========================================  =======   ===========
    master01                             750100    ACTIVE
    Win_media01                               750100    ACTIVE
    unix_media01                                600000    ACTIVE
    unix_media02                                600000    ACTIVE

                                    PENDING REQUESTS


                                        <NONE>

                                      DRIVE STATUS

    Drive Name               Label   Ready  RecMID  ExtMID  Wr.Enbl.  Type
        Host                       DrivePath                            Status
    =============================================================================
    HP.ULTRIUM4-SCSI.000     No      No                     No        hcart
        master01            {4,0,4,0}                            SCAN-TLD
        win_media01            {4,0,4,0}                            TLD
        unix_meida01            {5,0,4,0}                            TLD

    HP.ULTRIUM4-SCSI.001     No      No                     No        hcart
        master01            {4,0,5,0}                            SCAN-TLD
        win_media01            {4,0,5,0}                            TLD
        unix_meida01            {5,0,5,0}                            TLD

    HP.ULTRIUM4-SCSI.002     No      No                     No        hcart
        master01            {4,0,6,0}                            SCAN-TLD
        win_media01            {4,0,6,0}                            TLD
        unix_meida01            {5,0,6,0}                            TLD

    HP.ULTRIUM4-SCSI.003     No      No                     No        hcart
        master01            {4,0,7,0}                            SCAN-TLD
        win_media01            {4,0,7,0}                            TLD
        unix_meida01            {5,0,7,0}                            TLD

    But strange is that my unix_media01 and 02 are currently running as 6.0MP5 but the nbemmcmd -listhost output is showing only 6.0. can i ignore this?

  • mph999's avatar
    mph999
    Level 6
    13 years ago

    Might just be quicker to upgrade the media servers than investigate this.

    To be honest, I agree it should be working, but these are an old level, and any backup environment is best it everything is up-to-date.

    6.x  is out-of-support soon, so I'd just upgrade them - hopefully this will resolve the issue.

    Martin

  • mph999's avatar
    mph999
    Level 6
    13 years ago

    But strange is that my unix_media01 and 02 are currently running as 6.0MP5 but the nbemmcmd -listhost output is showing only 6.0. can i ignore this?

    Probably ok, I uspect it's just reporting the base level - that is 6.0

    Martin

  • Marianne's avatar
    Marianne
    Level 6
    13 years ago

    Does 'nbemmcmd -listhosts -verbose' report same versions on media server?

     

  • Marianne's avatar
    Marianne
    Level 6
    13 years ago

    We see this lots of times with upgrades between versions...

    The only way that I have found to fix it is to troubleshoot as if new installation...