CB备份Oracle数据库失败,错误代码ORA-19501,ORA-15081

CB1107 + ORACLE19c RAC

ORA-19501: read error on file "+DATA/<SID>/DATAFILE/xxxx.21910.1104689821", block number 1521536 (block size=8192)

ORA-15081: failed to submit an I/O operation to a disk

客户的Oracle备份执行备份datafile 14的时候发生错误,同时报ORA-19501,ORA-15081

[重大] 来自: OB2BAR_SBT_CHANNEL@l9db1 "afclc2"  时间:  2022-06-28 10:04:32

正在中止与 BSM 的连接。中止代码 4。

RMAN-08031: released channel: dev_0

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03009: failure of backup command on dev_0 channel at 06/28/2022 10:04:37

ORA-27192: skgfcls: sbtclose2 returned error - failed to close file

ORA-19511: non RMAN, but media manager or vendor specific failure, error text:

   Vendor specific error: OB2_EndObjectBackup() failed ERR(-2)

ORA-19501: read error on file "+DATA/<SID>/DATAFILE/xxxx.21910.1104689821", block number 1521536 (block size=8192)

ORA-15081: failed to submit an I/O operation to a disk

1.针对数据库报告无法读取的文件尝试不使用CB进行读取,发现报错更加明确,新的错误是ORA-19602,不能在非归档模式的情况下进行复制该文件

方案：

1.停止数据库

shutdown immediate

2.启动到mount状态

startup mount

3.设置数据库为归档模式

alter database archivelog;

4.启动数据库为open

alter database open；