Asm | Computer Hardware | Computer Data

Please download to get full document.

View again

of 35
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Information Report
Category:

Documents

Published:

Views: 4 | Pages: 35

Extension: PDF | Download: 0

Share
Related documents
Description
asm
Transcript
  ©OraInternals Riyaj Shamsudeen  ART: ASM By Riyaj Shamsudeen  ©OraInternals Riyaj Shamsudeen 2  Architecture: With ASM Prod1 SAN switchPrivate network switchNon-routeablenetwork For interconnect Sol1 ASM1   IO path Prod2Sol2 ASM2   IO path Prod3Sol3 ASM3   IO path  ©OraInternals Riyaj Shamsudeen 3  ASM & RDBMS   ASM manages disk groups and disks; provides a physical block access to the RDBMS instances.  RDBMS instance(s) performs conventional read and write calls to the database files and ASM is not involved.  It is a common misconception that ASM participates in conventional I/O activity.  Only during file metadata operations, such file creation, deletion etc, ASM is involved.  ©OraInternals Riyaj Shamsudeen 4 RDBMS is a client  RDBMS instance connects to ASM instance as a foreground connection.  asmbprocess running in RDBMS instance makes a connection to ASM instance.   Asmbprocess acts as a conduit between database and ASM.  Asmbprocess also acts as a method to detect ASM crash.  If ASM instance crashes, asmbconnection will die leading to an instance crash. Demo: asm_connections.sql, asm_clients.sql
Recommended
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks