ANS1235E ANS0361I备份失败

求助，备份失败，客户端dsmerror.log
05/29/13   01:01:28 cuConfirm: Received rc: -72 trying to receive ConfirmResp verb
05/29/13   01:01:28 sessSendVerb: Error sending Verb, rc: -71
05/29/13   01:01:28 sessSendVerb: Error sending Verb, rc: -71
05/29/13   01:01:28 ANS1235E An unknown system error has occurred from which TSM cannot recover.
05/29/13   01:01:28 ANS0361I DIAG: Block header invalid, possible memory overwrite. Addr 110a2e6e0, File commopt.cpp, Line 434
什么意思啊？？收起