RAC环境日常RMAN 0级备份日志中报直接导致RMAN备份失败，根据分析的确没有人为或者第三方进程KILL会话，经过多次备份都存在这样的错误，哪怕是系统空闲时。备份脚本执行不会立马报错，经分析通道当写到接近100G时，就开始报错，单通道也会报错。通过MOS查询发现和Bug 1660288符合，但是此BUG不存在补丁或者其他解决方法。可有其他解决方法？
ORA-00028: your session has been killed
ORA-00028: your session has been killed
continuing other job steps, job failed will not be re-run
RMAN-571: ===========================================================
RMAN-569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-571: ===========================================================