Henry Xie 's blog
Wednesday, April 25, 2018
OS Crashes Due To MegaRAID Issues and LVM snapshots On DB Home
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Symptom: The host CPU load is gradually ramping up The Load avg is not so high around 20 comparing that we have 72 CPUs Use top comman...
Tuesday, April 24, 2018
ORA-15203: diskgroup RECO contains disks from an incompatible version of ASM
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Symptom: After you upgrade GI of oracle 12c , we bounce the ASM and hit this error when it mounts the asm disk groups. Diskgroups can...
Saturday, April 21, 2018
Error: Authentication token is no longer valid
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Symptom: When we try to edit crontab via crontab -e It was working before,however it error out recently. Authentication token is no ...
Sunday, April 15, 2018
ORA-19909: datafile 1 belongs to an orphan incarnation
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Symptom: Our physical Standby DB MRP is aborted and error code is: ORA-19909: datafile 1 belongs to an orphan incarnation Reasons: ...
Sunday, April 08, 2018
How To Modify SCAN of CRS(Grid Infrastructure)
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Requirement: We re-purpose a 12c RAC Cluster for a new Application. We need to update CRS scan name to reflect new name. Old sca...
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