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    适用于： Oracle Database - Enterprise Edition –版本11.2.0.1 及以上 本文信息适用于任何平台。 *** 11-May-2014检查相关性*** 症状 2 node RAC - 11201 - Solaris10 ASM 不mount ASM 磁盘组，因为它发现磁盘不足。由于OCR磁盘储存在ASM中，这防止Oracle集群件的CRS 启动： alert__ASM1.log: ~~~~~~~~~~~~~ ... Fri Oct 19 13:09:35 2012 NOTE: No asm libraries found in the system ERROR: -5(Duplicate disk DATA:DATA_0000)   <----------- Notice this entry as it tells that ASM discovers duplicate disk (1) * instance_number obtained from CSS = 1, checking for the existence of node 0... * node 0 does not exist. instance_number = 1 Starting ORACLE instance (normal) ... Starting up: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production With the Real Application Clusters and Automatic Storage Management options. WARNING: using default parameter settings without any parameter file <---------------- not using a pfile/spfile (1) ... Fri Oct 19 13:09:44 2012 SQL> ALTER DISKGROUP ALL MOUNT /* asm agent */ NOTE: Diskgroup used for Voting files is: DATASOA Diskgroup used for OCR is:DATA Diskgroup used for OCR is:DATASOA NOTE: cache registered group DATASOA number=1 incarn=0xa9eb204b NOTE: cache registered group DATA number=2 incarn=0xaa0b204c ERROR: no PST quorum in group: required 2, found 0    <------- ASM disk discovery problem ... NOTE: cache ending mount (fail) of group DATASOA number=1 incarn=0xa9eb204b ... ERROR: diskgroup DATASOA was not mounted  <--------- Therefore ASM disk groups do not mount ... NOTE: cache ending mount (fail) of group DATA number=2 incarn=0xaa0b204c ... ERROR: diskgroup DATA was not mounted ... WARNING: Disk Group DATASOA containing configured OCR is not mounted WARNING: Disk Group DATASOA containing voting files is not mounted WARNING: Disk Group DATA containing configured OCR is not mounted ORA-15032: not all alterations performed ORA-15017: diskgroup "DATA" cannot be mounted ORA-15063: ASM discovered an insufficient number of disks for diskgroup "DATA" <---- ASM discovers not sufficient disks ORA-15017: diskgroup "DATASOA" cannot be mounted ORA-15063: ASM discovered an insufficient number of disks for diskgroup "DATASOA" (1) 这些条目与 Note:1384692.1类似 原因 但是，问题不是ASM未发现所有磁盘，而是发现重复的磁盘 （即，ASM不是仅发现了5个所需的ASM磁盘，而是发现了两倍，即10个磁盘。） 当ASM不止一次发现了同一磁盘 ，它会忽略条目（v$asm_disk.mount_status=IGNORED），所以就像是发现了不足的磁盘。 因此，ASM警报日志在实例启动序列时显示条目"ERROR: -5(Duplicate disk ..." 并在之后显示磁盘不足的错误(ORA-15063)。 . 解决方案ION 注：发现重复磁盘取决于所使用的平台。 在这个情况下 (Solaris)，需要进行以下操作识别重复设备： * 根据以前mount 所有ASM磁盘组的ASM警报日志条目的成功尝试，需要以下ASM磁盘： NOTE: cache registered group DATASOA number=1 incarn=0xa9eac7b8 NOTE: cache registered group DATA number=2 incarn=0xaa0ac7b9 NOTE: Assigning number (1,0) to disk (/oracle_crs_install/shr_disk_links/ora_dbdsk1) <--- 4 disks for DATASOA NOTE: Assigning number (1,2) to disk (/oracle_crs_install/shr_disk_links/ora_dbdsk2) NOTE: Assigning number (1,3) to disk (/oracle_crs_install/shr_disk_links/ora_dbdsk3) NOTE: Assigning number (1,1) to disk (/oracle_crs_install/shr_disk_links/ora_dbdsk4) NOTE: Assigning number (2,0) to disk (/dev/rdsk/c0t60050768018105880000000000000023d0s6) <--- 1 disk for DATA * The Grid-plug-and-play profile or <Grid Infrastructure Home>/gpnp/<hostname>/profiles/peer/profile.xml, lists the disk discovery string that will be used (along with the spfile that will be use): DiscoveryString="/oracle_crs_install/shr_disk_links/ora_dbdsk*,/dev/rdsk/c*23d0s6" SPFile="+DATA/wlsoadbt1-clust/asmparameterfile/registry.253.778542929" * From the above, it was found that ASM was discovering It was found that /dev/rdsk/c0t60050768018105880000000000000035d0s6 <-- dupl /dev/rdsk/c0t60050768018105880000000000000034d0s6 <-- dupl /dev/rdsk/c0t60050768018105880000000000000033d0s6 <-- dupl /dev/rdsk/c0t60050768018105880000000000000032d0s6 <-- dupl /dev/rdsk/c0t60050768018105880000000000000038d0s6 <-- dupl /dev/rdsk/c0t60050768018105880000000000000023d0s6 /oracle_crs_install/shr_disk_links/ora_dbdsk1 /oracle_crs_install/shr_disk_links/ora_dbdsk2 /oracle_crs_install/shr_disk_links/ora_dbdsk3 /oracle_crs_install/shr_disk_links/ora_dbdsk4 * 由于重复磁盘被识别并分离，请更改它们的设备所有者：以ASM不再发现（访问）它们的方式更改组或文件权限。 ASM可以容忍每个ASM磁盘只发现一次（不超过一次，否则会被认为是“重复的磁盘”，就可能会遇到这种情况。 参考 NOTE:1384692.1 - ASM Spfile Is Not Used when ASM Instance Starts Even It Exists Inside of OCR Diskgroup (11.2)