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Lgwr , CKPT - Some Misc. basic Qs.

From: VIVEK_SHARMA <VIVEK_SHARMA_at_infosys.com>
Date: Tue, 18 Feb 2003 06:49:00 -0800
Message-ID: <F001.005501FE.20030218064900@fatcity.com>


> Any Brief info on following :-
>
> Qs lgwr writes the redo log buffer to disk when posted by the smon process under what conditions ?
>
> Qs What is metadata ? How are Changes to metadata managed in the log_buffer ?
>
> Qs Why does the Checkpoint process (CKPT) maintains a heartbeat with the control file at a periodic frequency of every 3 seconds ?
>
> Qs The number of Disks "n" in a stripe volume should preferably be a power of 2 namely (2,4,8,16 and so on) for Oracle Databases . For RAID levels 3, 5 and 7, the number of disks should preferably be n+1 . Why ?
>
>

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Author: VIVEK_SHARMA
  INET: VIVEK_SHARMA_at_infosys.com

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Received on Tue Feb 18 2003 - 08:49:00 CST

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