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HOWTO Copy files using cp, cpio, dd and tar
http://consultancy.edvoncken.net/index.php/HOWTO_Copy_files_using_cp,_cpio,_dd_and_tar HOWTO Copy files using cp, cpio, dd and tar cpio Copy all files, l...
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关于PLOGI failed
PLOGI即port login,用来在FC设备间建立和关闭连接。例如主机如果要访问磁盘阵列，则需要先PLOGI磁盘阵列的端口。下面看一个PLOGI failed的例子。系统日志中的信息如下：May 10 12:35:59 ofs00biiacc002 fctl: [ID 51...
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Linux Hardware RAID Howto
http://insights.oetiker.ch/linux/raidoptimization.htmlLinux Hardware RAID HowtoHardware RAID boxes are cool things. Plug them in and they behave likea big and fast disk. If properly configured, the...
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how to align lun to RAID strip size on linux
http://www.pythian.com/news/411/aligning-asm-disks-on-linux/Aligning ASM Disks on Linux Posted by Christo Kutrovsky on Mar 30, 2007Linux is a wonderful operating system. H...
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veritas扩展卷和文件系统
1、检查diskgroup中可用于扩展的空间大小vxassist -g diskgroup maxsize2、在线扩展卷及文件系统/etc/vx/bin/vxresize -Fvxfs -g diskgroup {VOLUMENAME} +{size reported from the previous command}{m|g}...
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RMAN__ catalog archivelog for a directory
RMAN> catalog start with '<directory_path>';
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insert语句与gc cr multi block request等待
最近发现某一时段数据库入库比较慢，并且查到入库慢的sql是一个简单的insert语句，而不是insert...select。从等待事件看这个sql等待的主要事件是gc cr multi block request事件。这个等待事件比较奇怪，因为multi bl...
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oracle10g RAC配置VIP IPMP
metalink note 283107.1介绍了如何设置VIP的IPMP，此处记录一下设置过程。 o Existing 10g RAC installation ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ For existing 10g RAC installations, use srvctl to mod...
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Dynamic Resource Mastering (ZT)
To use DRM or not to use DRM 10g Real Application Clusters introduced a concept of resource remastering via Dynamic Resource Mastering (DRM). With DRM a resource can be re-mastered on anoth...
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关于library cache lock及library cache pin
oracle documents:library cache lockThis event controls the concurrency between clients of the library cache. It acquires a lock on the object handle so that either: * &nbs...
