使用HHDBCS對ORACLE 12CR2 RAC校驗及巡檢
阿新 • • 發佈:2021-09-03
1 SCAN IP連線測試
Oracle RAC叢集搭建完成後需要對連線進行校驗,判斷資料庫叢集是否可以對外提供服務。本次校驗客戶端使用HHDBCS資料庫管理工具進行驗證。 HHDBCS資料庫管理工具是一個跨平臺的資料庫管理工具,可以在WINDOWS、LINUX、MAC等作業系統執行,比如linux可以執行start_csadmin.sh檔案啟動。 填入叢集SCAN IP對應的連線資訊、賬號和密碼點選【測試連線】按鈕測試是否連線成功。2 RAC巡檢
點選查詢視窗,將巡檢sql輸入到查詢視窗中,點選執行或者按快捷鍵F8執行。對於巡檢的結果可以進行匯出操作,可以匯出成csv、excel等多種格式的檔案。SELECT b.inst_id, b.session_id AS sid, NVL(b.oracle_username, '(oracle)') AS username, a.owner AS object_owner, a.object_name, Decode(b.locked_mode, 0, 'None',1, 'Null (NULL)', 2, 'Row-S (SS)', 3, 'Row-X (SX)', 4, 'Share (S)', 5, 'S/Row-X (SSX)', 6, 'Exclusive (X)', b.locked_mode) locked_mode, b.os_user_nameFROM dba_objects a, gv$locked_object b WHERE a.object_id = b.object_id ORDER BY 1, 2, 3, 4;
longops_rac.sql:Displays information on all long operations for whole RAC.
SELECT s.inst_id, s.sid, s.serial#, s.username, s.module, ROUND(sl.elapsed_seconds/60) || ':' || MOD(sl.elapsed_seconds,60) elapsed, ROUND(sl.time_remaining/60) || ':' || MOD(sl.time_remaining,60) remaining, ROUND(sl.sofar/sl.totalwork*100, 2) progress_pct FROM gv$session s, gv$session_longops sl WHERE s.sid = sl.sid AND s.inst_id = sl.inst_id AND s.serial# = sl.serial#;
monitor_memory_rac.sql:Displays memory allocations for the current database sessions for the whole RAC.
SELECT a.inst_id, NVL(a.username,'(oracle)') AS username, a.module, a.program, Trunc(b.value/1024) AS memory_kb FROM gv$session a, gv$sesstat b, gv$statname c WHERE a.sid = b.sid AND a.inst_id = b.inst_id AND b.statistic# = c.statistic# AND b.inst_id = c.inst_id AND c.name = 'session pga memory' AND a.program IS NOT NULL ORDER BY b.value DESC;
session_undo_rac.sql: Displays undo information on relevant database sessions.
SELECT s.inst_id, s.username, s.sid, s.serial#, t.used_ublk, t.used_urec, rs.segment_name, r.rssize, r.status FROM gv$transaction t, gv$session s, gv$rollstat r, dba_rollback_segs rs WHERE s.saddr = t.ses_addr AND s.inst_id = t.inst_id AND t.xidusn = r.usn AND t.inst_id = r.inst_id AND rs.segment_id = t.xidusn ORDER BY t.used_ublk DESC;
session_waits_rac.sql:Displays information on all database session waits for the whole RAC.
SELECT s.inst_id, NVL(s.username, '(oracle)') AS username, s.sid, s.serial#, sw.event, sw.wait_class, sw.wait_time, sw.seconds_in_wait, sw.state FROM gv$session_wait sw, gv$session s WHERE s.sid = sw.sid AND s.inst_id = sw.inst_id ORDER BY sw.seconds_in_wait DESC;
sessions_rac.sql:Displays information on all database sessions for whole RAC.
SELECT NVL(s.username, '(oracle)') AS username, s.inst_id, s.osuser, s.sid, s.serial#, p.spid, s.lockwait, s.status, s.module, s.machine, s.program, TO_CHAR(s.logon_Time,'DD-MON-YYYY HH24:MI:SS') AS logon_time FROM gv$session s, gv$process p WHERE s.paddr = p.addr AND s.inst_id = p.inst_id ORDER BY s.username, s.osuser
小編把恆輝資料庫CS端管理工具和產品社群的連結附在了下面,感興趣的朋友可以進去了解一下!