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  • ORA-15186 with ASMLib and device mapper on Linux

    Clumsy title but a problem that can slow you down. When creating ASM disk groups, you might not succeed, ASM complains with ORA-15186. UPDATE 221106: Oracle Linux 5/RedHat 5 and Oracle 11.2 are effectively out of support, this article is now archived and should not be referred to. ASM Filter Driver supersedes ASMLib, I have…

  • Presentation Update

    UNIX SIG Slough 09/2009 This is a novelty to me – going to present twice! The first presentation will deal with Linux Kernel settings and how to tune them, the second one deals with OpenFiler 2.3 and iSCSI on Linux. RAC & HA SIG 09/2009 And if that wasn’t enough I am also going to…