摘要：ASM由于其高度的封装性，使得我们很难知道窥探其内部的原理。可以通过一下视图和数据字典来来查看ASM 的信息。一. 相关视图和数据字典 View Name X$ Table name Description V$ASM_DISKGROUP X$KFGRP performs disk discovery and lists diskgroups V$ASM_DISKGROUP_STAT X$KFGRP_STAT diskgroup stats without disk discovery V$ASM_DISK X$KFDSK, X$KFKID perfo... 阅读全文

摘要：一. 说明在官网看到一篇ASM 升级的文档，如下： How To Upgrade ASM from 10.2 to 11.1 (RAC) http://blog.csdn.net/tianlesoftware/archive/2011/04/25/6362083.aspx Unable To Open Database After ASM Upgrade From Release 11.1 To Release 11.2 http://blog.csdn.net/tianlesoftware/archive/2011/04/25/6362184.aspxRAC 下数据库的升级参考： Redha 阅读全文

摘要：在metalink上看到一篇有关ASM 总结的文章，贴出来，共同学习。一. Automatic StorageManagement (ASM) Alerts: Alert: Querying v$asm_file Gives ORA-15196 After ASM Was Upgraded From 10gR2 To 11gR2 with an AU size > 1M [ID 1145365.1] http://blog.csdn.net/tianlesoftware/archive/2011/04/05/6302817.aspx二. Automatic Storage Managem 阅读全文

摘要：Patch 8402551 not available to download from Metalink.SolutionPatch 8402551 has been withdrawn because it had some issues, it was replaced by Patch 8969852.Even Patch 8402551 included in Patch 8461420, Patch 8969852 should be applied:1. Download Patch 89698522. Since Patch 8402551 is part of unpubli 阅读全文

摘要：When applying a needed patch to the Grid Infrastructure Home for ASM or CRS the opatch utility may error out with the messages:ApplySession failed: ApplySession failed to prepare the system. ApplySession was not able to create the patch_storage area: /oragrid/rdb_v112/.patch_storage/<patch#_date& 阅读全文

摘要：After upgrade the ASM instance from release 11.1 to release 11.2 existing database is unable to start/open due to the next error:/u01/app/oracle/product/11.1.0/dbs>sqlplusSQL*Plus: Release 11.1.0.6.0 - Production on Wed Apr 7 15:49:33 2010Copyright (c) 1982, 2007, Oracle. All rights reserved.Ente 阅读全文

摘要：Upgrading ASM instance from Oracle 10.1 to Oracle 10.2. (Single Instance) Solutiono Upgrading of ASM instance from 10.1 to 10.2 can be accomplished through DBUA.o All the database that use the ASM instance being upgraded must be shutdown.The following steps can be used to upgrade an ASM instance.1) 阅读全文

摘要：The present document explains how to upgrade an ASM instance from 10.2 to 11.1 release (on RAC). Solution1) Shutdown all the database instances that are using ASM as storage option. 2) Shutdown the ASM instances. 3) Install / upgrade the new 11g CRS as described in the Installation Guide associated 阅读全文

摘要：The purpose of this document is to provide information about theASM rolling upgrade feature and Step by Stepto install a patchset orpatch in ASM Homewithoutdowntime.SolutionThe following conditions should be met for to perform ASM rolling upgrade(*) An ASM rolling upgrade applies only to clustered . 阅读全文

摘要：The present document explains how to upgrade an ASM instance from 10.2 to 11.1 release (single Instance configuration / Non-RAC). Solution1) Install the new 11g ASM Oracle Home (on a different directory) as described in the Installation Guide associated with your specific platform : http://www.orac. 阅读全文

摘要：This note is to clarify the patch requirement when doing 11.2.0.1 to 11.2.0.2 rolling upgrade. Pre-requsite for 11.2.0.1 to 11.2.0.2 ASM Rolling Upgrade There has been some confusion as what patches need to be applied for 11.2.0.1 ASM rolling upgrade to 11.2.0.2 to be successful. Documentation rega. 阅读全文

摘要：In the event you cannot mount your ASM disk groups, you will be unable to start any databases using those disk groups. Here is a possible error reported when mounting ASM disk groups:SQL> startup mountORA-15032: not all alterations performedORA-15063: diskgroup "<DISK GROUP NAME>" 阅读全文

摘要：This article describes the steps to migrate a database from Non-ASM to ASM and vice-versa. To setup ASM, please followNote 452924.1 - How to Prepare Storage for ASMNote 265633.1 - ASM Technical Best PracticesNote 249992.1 - New Feature on ASM (Automatic Storage Manager).Scope and ApplicationA schedu 阅读全文

摘要：Thisdocument provides a procedure to configure/reconfigure the ( High AvailabilityService ) HAS and CSS resource on Oracle Grid Infrastructure for nonRAC setup Solution 1） Whenyou install grid infrastructure for single instance, at the end we run root.sh, that directs you to run the following scrip. 阅读全文

摘要：This document will list the possible meta characters for asm_diskstring parameter Solution* and [] are the two valid meta characters for asm_diskstring parameter.SQL> alter system set asm_diskstring='/dev/raw/raw*' scope=both;System altered.SQL> select path from v$asm_disk;PATH-------- 阅读全文

摘要：After installing a non-RAC (Real Application Clusters) 10g database, you notice an ocssd.bin process running.ps -ef | grep ocssd.binoracle 11139 11056 0 14:02:14 pts/52 0:00 grep ocssd.binoracle 1824 1 0 Mar 12 ? 0:01 /oracle/64bit/10.1.0/bin/ocssd.bin Solution In a non-RAC environment, the ocssd.b. 阅读全文

摘要：If using pfile, it must be a filesystem file on local filesystem.If using spfile, then it can be in the following locations.-- a filesystem file spfile on local filesystem-- spfile on shared device-- a ASM file in a ASM diskgroup (only for spfile for DB instances before 11.2)Trying to put ASM spfile 阅读全文

摘要：In a single asm_diskstring parameter we can have 255 characters and this excludes the asterisk (*) , comma (,) and single-quote ('). This is limited by v$asm_disk.path column's datatype length. In an ASM instance we can have multiple asm_diskstring parameters. But the values from them are co 阅读全文