ORA-19578: end of volume while duplexing to sequential files, backup piece incomplete
Cause: An end of volume (EOV) condition was detected while duplexing to sequential files, and this condition cannot be handled currently.
Action: Before retrying the backup, make sure the backup pieces will fit in the volume, or disable duplexing.
1. 可以尝试更换大一点的磁带,来减少磁带换掉的次数。
2. 也可以尝试更改备份顺序文件的大小,来扩大空间,尽量减少备份时由于磁带空间不足而失败的情况。
3. 如果以上两个处理方法无法有效解决,就需要尝试更改备份工具参数来减少备份文件的Redo布局文件,如修改 RMAN 的 convfig 等参数。