PS:該實(shí)驗(yàn)建立在之前DG博客的基礎(chǔ)之上的
主庫(kù)之前的狀態(tài),執(zhí)行轉(zhuǎn)換語(yǔ)句,主庫(kù)之后的狀態(tài)
創(chuàng)新互聯(lián)專(zhuān)業(yè)為企業(yè)提供銅梁網(wǎng)站建設(shè)、銅梁做網(wǎng)站、銅梁網(wǎng)站設(shè)計(jì)、銅梁網(wǎng)站制作等企業(yè)網(wǎng)站建設(shè)、網(wǎng)頁(yè)設(shè)計(jì)與制作、銅梁企業(yè)網(wǎng)站模板建站服務(wù),10年銅梁做網(wǎng)站經(jīng)驗(yàn),不只是建網(wǎng)站,更提供有價(jià)值的思路和整體網(wǎng)絡(luò)服務(wù)。
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15:00:01 SYS @ slow >select name,database_role,protection_mode from v$database;
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NAME DATABASE_ROLE PROTECTION_MODE
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--------- ---------------- --------------------
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SLOW PRIMARY MAXIMUM PROTECTION
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-
1 row selected.
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Elapsed: 00:00:00.00
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15:00:35 SYS @ slow >select status from v$instance;
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STATUS
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------------
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OPEN
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1 row selected.
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Elapsed: 00:00:00.00
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18:57:24 SYS @ slow >startup mount force;
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ORACLE instance started.
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Total System Global Area 521936896 bytes
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Fixed Size 2254824 bytes
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Variable Size 377489432 bytes
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Database Buffers 138412032 bytes
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Redo Buffers 3780608 bytes
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Database mounted.
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18:57:44 SYS @ slow >select name,database_role,protection_mode from v$database;
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NAME DATABASE_ROLE PROTECTION_MODE
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--------- ---------------- --------------------
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SLOW PRIMARY MAXIMUM PROTECTION
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-
1 row selected.
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Elapsed: 00:00:00.01
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18:58:20 SYS @ slow >select status from v$instance;
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STATUS
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------------
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MOUNTED
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1 row selected.
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Elapsed: 00:00:00.01
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18:58:39 SYS @ slow >alter database set standby database to maximize availability;
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Database altered.
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Elapsed: 00:00:00.00
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19:00:09 SYS @ slow >alter database open;
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Database altered.
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Elapsed: 00:00:03.03
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19:00:25 SYS @ slow >select name,database_role,protection_mode from v$database;
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NAME DATABASE_ROLE PROTECTION_MODE
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--------- ---------------- --------------------
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SLOW PRIMARY MAXIMUM AVAILABILITY
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1 row selected.
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Elapsed: 00:00:00.00
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19:01:20 SYS @ slow >
備庫(kù)之前的狀態(tài),主庫(kù)執(zhí)行轉(zhuǎn)換語(yǔ)句,備庫(kù)之后的狀態(tài) ,,,一切正常,轉(zhuǎn)換成功?。?!
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14:56:33 SYS @ gotime >select name,database_role,protection_mode from v$database;
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NAME DATABASE_ROLE PROTECTION_MODE
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--------- ---------------- --------------------
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SLOW PHYSICAL STANDBY MAXIMUM PROTECTION
-
-
1 row selected.
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-
Elapsed: 00:00:00.00
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14:57:21 SYS @ gotime >select status from v$instance;
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-
STATUS
-
------------
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OPEN
-
-
1 row selected.
-
-
Elapsed: 00:00:00.00
-
18:56:45 SYS @ gotime >startup mount force;
-
ORACLE instance started.
-
-
Total System Global Area 521936896 bytes
-
Fixed Size 2254824 bytes
-
Variable Size 377489432 bytes
-
Database Buffers 138412032 bytes
-
Redo Buffers 3780608 bytes
-
Database mounted.
-
18:57:07 SYS @ gotime >select name,database_role,protection_mode from v$database;
-
-
NAME DATABASE_ROLE PROTECTION_MODE
-
--------- ---------------- --------------------
-
SLOW PHYSICAL STANDBY MAXIMUM AVAILABILITY
-
-
1 row selected.
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-
Elapsed: 00:00:00.04
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19:02:08 SYS @ gotime >
分享題目:maximumprotection轉(zhuǎn)maximumavailability
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