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• Data and Technology

  Posted on September 8th, 2006

  Written by cliff

  Tags

  checksum, computer, database, database performance, dba, disk, disk speed, hardware raid, mysql, old thinking, oracle, parity, performance, raid, raid 1, raid 10, raid 5, raid array, raid controller, raid types, raid volumes, software raid, storage

  Why Modern RAID 5 is Ideal for Oracle Databases

  

  There is a convention of thought amongst Oracle DBA’s that databases should never be installed on disks that are configured into a RAID 5 array. The argument goes, that since Oracle accesses and writes to random points within relatively large files, the overhead of constantly calculating block-level parity on these files is substantial, resulting in [...]

• Data and Technology

  Posted on November 14th, 2005

  Written by cliff

  Tags

  109147-39, 8_Recommended, application server, backout patch, dba, HowTo, ld.so.1, LD_PRELOAD, libnnz9.so, linker, linker patch, loadable shared objects, nzdsi_initialize, oas, opmn start failed, opmnctl, oracle, oracle application server, patch, patchrm, runtime linker, solaris, solaris 8, solaris linker patch, solaris patch, solaris patch problem, sun, Sun Document ID 101995, SunOS 5.8 linker patch

  libnnz9.so: symbol nzdsi_initialize: referenced symbol not found

  So you’re running the Oracle Application Server on Solaris 8, and you’ve decided to be a good systems administrator and install the latest 8_Recommended patch cluster from SunSolve. Well, I’m very sorry to inform you that you have just broken your application server. After bouncing the system, you will most likely get the following error [...]

• Data and Technology

  Posted on October 25th, 2005

  Written by cliff

  Tags

  cpio, dba, fs.file-max, groupadd, HowTo, kernel.sem, kernel.semopn, kernel.shmall, kernel.shmmax, linux, linux kernel, linux oracle, net.ipv4.ip_local_port_range, oracle, oracle 01g, Oracle Settings, red hat, red hat enterprise, red hat enterprise 3, redhat, semaphores, sysadmin, sysctl.conf, systems administratiron, useradd

  How To Install Oracle 10g on RedHat Enterprise 3

  So you’ve got Oracle 10G and you want to install it on your RedHat Enterprise 3 server. Well, since Oracle can’t manage to create tar files like everyone else in the world, you have to find a way of dealing with the .cpio they send you. Here’s how to get it extracted:
  cpio -idmv < /path/to/ship-version.cpio
  This [...]

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