方法:1、用“select * from v$recovery_file_dest”語句查看歸檔空間實際使用情況;2、用“select * from v$flash_recovery_area_usage;”語句查看閃回恢復區空間使用情況。
本教程操作環境:Windows10系統、oracle 11g版、Dell G3電腦。
oracle怎么查詢歸檔空間
1、這里可以看到閃回恢復區里的空間使用情況:
SQL>?select?*?From?v$flash_recovery_area_usage;
示例如下:
2、注意這一步才是真正查看歸檔空間的實際使用情況:
SQL>?select?*?from?v$recovery_file_dest;
示例如下:
擴展知識:
這里我建議按照如下步驟去確定:歸檔空間是否滿了?
1.首先從系統層面確定歸檔目錄存放的磁盤空間情況:
[oracle@localhost?bdump]$?df?-h Filesystem????????????Size??Used?Avail?Use%?Mounted?on /dev/mapper/VolGroup00-LogVol00?26G???12G???14G??46%??????/ /dev/sda2??????????????????????????????????????????19G???16G??2.8G??85%?????/oracle /dev/sda1??????????????????????????????????????????99M???24M???71M??25%?????/boot tmpfs????????????????????????????????????????????????978M??508M??470M??52%??/dev/shm
2. 確定歸檔存放目錄,歸檔存放目錄大小
SQL>?archive?log?list; Database?log?mode??????????????Archive?Mode Automatic?archival?????????????Enabled Archive?destination????????????USE_DB_RECOVERY_FILE_DEST??-------這里默認使用的是DB_RECOVERY_FILE_DEST Oldest?online?log?sequence?????17 Next?log?sequence?to?archive???20 Current?log?sequence???????????20
也可以按照以下方式查詢歸檔放置的地方
SQL>?show?parameter?db_ NAME?????????????????????????????????TYPE????????VALUE ------------------------------------?-----------?------------------------------ db_keep_cache_size???????????????????big?integer?0 db_name?????????????????????????????????????string??????lixora db_recovery_file_dest????????????????string??????/oracle/flash_recovery_area db_recovery_file_dest_size???????????big?integer?2G db_recycle_cache_size????????????????big?integer?0 db_unique_name???????????????????????string??????lixora
推薦教程:《Oracle視頻教程》
? 版權聲明
文章版權歸作者所有,未經允許請勿轉載。
THE END
喜歡就支持一下吧
相關推薦