fishcat论 RMAN使用crosscheck archivelog all注意
fishcat论 RMAN使用crosscheck archivelog all注意;
RAC环境当归档目录在本地的情况下，在一个节点crosscheck archivelog all会把另外一个节点的日志验证failed，然后delete expired archivelog all 则会将RMAN中这些日志的信息清除
导致备份的时候不会备份这些日志，却不报错。而实际情况是这些归档是存在的。
RMAN> crosscheck archivelog all;
released channel: ORA_DISK_1
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=128 instance=rac1 devtype=DISK
validation succeeded for archived log
archive log filename=/archive/rac1/1_51_804551593.dbf recid=63 stamp=805063746
validation succeeded for archived log
archive log filename=/archive/rac1/1_52_804551593.dbf recid=66 stamp=805848926
validation failed for archived log
archive log filename=/archive/rac2/2_32_804551593.dbf recid=64 stamp=805063781
validation failed for archived log
archive log filename=/archive/rac2/2_33_804551593.dbf recid=65 stamp=805848931
Crosschecked 4 objects
RMAN> delete expired archivelog all;
released channel: ORA_DISK_1
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=128 instance=rac1 devtype=DISK
List of Archived Log Copies
Key Thrd Seq S Low Time Name
------- ---- ------- - --------- ----
64 2 32 X 18-JAN-13 /archive/rac2/2_32_804551593.dbf
65 2 33 X 18-JAN-13 /archive/rac2/2_33_804551593.dbf
Do you really want to delete the above objects (enter YES or NO)? no
