Symptom
- A backup fails with with a message including "Can't open a connection to site 'SYB_BACKUP'"
- This error can be seen in different ways in log and returned to client
- And with additional accompanying messages in ASE and/or Backup Server log
- Typical examples include:
- Can't open a connection to site 'SYB_BACKUP'. See the error log file in the ASE boot directory.
Could not establish communication with Backup Server 'SYB_BACKUP'. Please make sure that there is an entry in Sysservers for this server, and that the correct server is running. - Msg 7210, Level 18, State 1:
Server 'ASE', Line 1:
Can't open a connection to site 'SYB_BACKUP' because 'set up channel' message could not be sent. - Further ASE log messages can show
- nconnect: connect, Can't assign requested address
- Can't open a connection to site 'SYB_BACKUP' because 'set up channel' message could not be sent.
- Backup Server log message can show
Open Server Error: 16219.10.0: A call to srv__waitfor_read() was interrupted by an attention
Open Server Session Fatal Error: 16310.15.0: srv__read_tokenparams: Fatal error while Reading PARAMS TDS for spid: 26
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Environment
SAP Adaptive Server Enterprise (ASE) All Versions
Product
SAP Adaptive Server Enterprise all versions ; Sybase Adaptive Server Enterprise all versions
Keywords
set up chanel, connection, sybmultbuf , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem
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