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フルバックアップのサイズを確認するには

Last updated at Posted at 2021-01-28

1日あたりのRMANフルバックアップのサイズを知りたいときがあるので方法をまとめます。

どこを確認?

動的パフォーマンスビューのv$rman_backup_job_detailsに対するクエリ発行で確認できます。

確認方法

SQL*Plusでデータベースに接続して以下のSQLを実行します。

set pages 1000
set lines 300
col status format a9
select
  session_key,
  input_type,
  output_bytes/1024/1024 "size(MB)",
  to_char(start_time,'yyyy/mm/dd hh24:mi') start_time,
  to_char(end_time,'yyyy/mm/dd hh24:mi')   end_time,
  status
from
  v$rman_backup_job_details
where
  input_type='DB FULL'
order by session_key;

以上

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