SybaseデータベースプラグインのSnapCenter バックアップがランダムに失敗する

環境

• NetApp SnapCenter 4.6
• Sybase 4.6用NetApp SnapCenter プラグイン
• NetApp ONTAP 9.Xの略

問題

SybaseのSnapCenter バックアップで、次のエラーがランダムに失敗する。

YYYY/MM/DD hh:mm:ss server  Processes trying to issue an I/O operation on the quiesced database(s) will be suspended until the user executes a QUIESCE DATABASE command with the RELEASE option.
YYYY/MM/DD hh:mm:ss server  QUIESCE DATABASE command with tag tagname_master is being executed by process XXXXXXXXX.
YYYY/MM/DD hh:mm:ss server  QUIESCE DATABASE: Waiting for at least one transaction (owner spid XXX) in the 'master' database to complete. Retry count: 1.
...
YYYY/MM/DD hh:mm:ss server  QUIESCE DATABASE: Waiting for at least one transaction (owner spid XXX) in the 'master' database to complete. Retry count: 17.
YYYY/MM/DD hh:mm:ss server  Error: 2276, Severity: 16, State: 1
YYYY/MM/DD hh:mm:ss server  Process YYYY is aborted by 'QUIESCE DATABASE as transactions in the 'master' database did not finish within the prescribed time limit.
YYYY/MM/DD hh:mm:ss kernel  Finished initialization.

Backup of Resource Group 'int-p-sap-ci_SYBASE_ECP' with policy 'Policy_HOURLY'    MM/DD/YYYY hh:mm:ss    

CC-00164: Application quiesce for the plug-in [SYBASE] failed with exit code [1] and with error :
Msg 2243, Level 16, State 1:
Server 'ECP', Line 1:
QUIESCE DATABASE failed with error 2276. See the error log for more detail