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VMWare backup error: Error opening the snapshot disks using given transport mode: Status 23

Article: 100014849
Last Published: 2021-09-24
Ratings: 0 2
Product(s): NetBackup & Alta Data Protection

Problem

VMware backup fails and displays status code 23 and 6 by NBD method even though telnet to port 902 and 443 from the backup host is successful.

VxMS logs shows error CnxAuthdConnect: Returning false because CnxAuthdProtoReadResponse2 failed
 

Error Message

12/26/2014 12:25:20 - begin writing 
12/26/2014 12:26:17 - Error bpbrm (pid=28037) from client REDACTED: ERR - Error opening the snapshot disks using given transport mode: Status 23 
12/26/2014 12:26:18 - Critical bpbrm (pid=28037) from client REDACTED: FTL - cleanup() failed, status 6 
12/26/2014 12:26:18 - Error bptm (pid=28048) media manager terminated by parent process 
12/26/2014 12:26:19 - Info redacted (pid=28048) StorageServer=PureDisk:redacted; Report=PDDO Stats for (redacted): scanned: 3 KB, CR sent: 0 KB, CR sent over FC: 0 KB, dedup: 100.0%, cache disabled 
12/26/2014 12:26:20 - Info bpbkar (pid=0) done. status: 6: the backup failed to back up the requested files 
12/26/2014 12:26:20 - end writing; write time: 0:01:00 
the backup failed to back up the requested files (6)

 

VxMS log:
12/30/2014 11:34:10 : g_vixInterfaceLogger:libvix.cpp:1825 <DEBUG> : [VFM_ESINFO] NBD_ClientOpen: attempting to create connection to vpxa-nfc://[redacted] REDACTED/REDACTED.vmdk@redacted.example.com:902 
12/30/2014 11:34:11 : g_vixInterfaceLogger:libvix.cpp:1825 <DEBUG> : [VFM_ESINFO] CnxAuthdConnect: Returning false because CnxAuthdProtoReadResponse2 failed 
12/30/2014 11:34:11 : g_vixInterfaceLogger:libvix.cpp:1825 <DEBUG> : [VFM_ESINFO] CnxConnectAuthd: Returning false because CnxAuthdConnect failed 
12/30/2014 11:34:11 : g_vixInterfaceLogger:libvix.cpp:1825 <DEBUG> : [VFM_ESINFO] Cnx_Connect: Returning false because CnxConnectAuthd failed 
12/30/2014 11:34:11 : g_vixInterfaceLogger:libvix.cpp:1825 <DEBUG> : [VFM_ESINFO] Cnx_Connect: Error message: Connection terminated by server 
12/30/2014 11:34:11 : g_vixInterfaceLogger:libvix.cpp:1829 <DEBUG> : [VFM_ESWARN] [NFC ERROR] NfcNewAuthdConnectionEx: Failed to connect to peer. Error: Connection terminated by server 
12/30/2014 11:34:11 : g_vixInterfaceLogger:libvix.cpp:1825 <DEBUG> : [VFM_ESINFO] NBD_ClientOpen: Couldn't connect to redacted.example.com:902 Connection terminated by server 

 

Cause

Vcenter is not able to establish an NFC connection to the ESX server at port 902 as the connection is terminated by the ESX server when ESX 5.5 is installed on an HP ProLiant BL460c Server Blade.

 

Solution

 
This issue occurs with ESXi hosts running on HP hardware with below versions of AMS (Agentless Management Service):
  • hp-ams 500.9.6.0-12.434156
  • hp-ams-550.9.6.0-12.1198610
  • hp-ams 500.10.0.0-18.434156
  • hp-ams-550.10.0.0-18.1198610
 
This is a known issue affecting ESXi 5.x.
To resolve the issue, upgrade to AMS version 10.0.1.
 
For more information, please see the following article:
 
ESXi host cannot initiate vMotion or enable services and reports the error: Heap globalCartel-1 already at its maximum size.Cannot expand (2085618)
 

 

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