oracle怎么查詢歸檔空間

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。

oracle怎么查詢歸檔空間

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:

oracle怎么查詢歸檔空間

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:

oracle怎么查詢歸檔空間

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

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