Oracle RAC on RedHat Linux Best Practice guide and ... - OpenMPE

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OCFS and unbreakable Linux Redhat • Currently ships 4 flavors of the AS 2.1 kernel, viz., UP, SMP, Enterprise and Summit (IBM x440) • <strong>Oracle</strong> provides a separate OCFS module for each of the kernel flavors • Minor revisions of the kernel do not need a fresh build of ocfs • e.g., ocfs built for e.12 will work for e.16, e.18, etc. United Linux/Suse • United Linux ships 3 flavors of its kernel, for the 2.4.19-64GB-SMP, the 2.4.19-4GB and the 2.4.19-4GB-SMP kernel • OCFS 1.0.9 is supported on UL 1.0 Service Pack 2a or higher • OCFS build is not currently upward compatible with kernel (pre SP3) must ensure OCFS build exists for each new Kernel version prior to upgrading kernel 26
OCFS and <strong>RAC</strong> • Maintains cache coherency across nodes for the filesystem metadata only • Does not synchronize the data cache buffers across nodes, lets <strong>RAC</strong> handle that OCFS journals filesystem metadata changes only • Filedata changes are journalled by <strong>RAC</strong> (log files) • Overcomes some limitations of raw devices on Linux • No limit on number of files • Allows for very large files (max 2TB) • Max volume size 32G (4K block) to 8T (1M block) • <strong>Oracle</strong> DB performance is comparable to raw 27
Page 1 and 2: Oracle RAC
Page 3 and 4: Hardware Pre-Requisites
Page 5 and 6: Installation Flowchart for 10g <str
Page 7 and 8: Overview of available products - Gr
Page 9 and 10: HP Server Linux certification Check
Page 11 and 12: Bios configuration Reliability is a
Page 13 and 14: Lun definition LUN definition shoul
Page 15 and 16: Redundant Storage Sets (RSS) • Su
Page 17 and 18: Performance Best Practices • Sing
Page 19 and 20: More Disks = More Performance Effec
Page 21 and 22: Choosing the good file system Redha
Page 23 and 24: Choosing the good file system Redha
Page 25: Installation Flowchart for OCFS Dow
Page 29 and 30: Install tips for OCFS • Ensure OC
Page 31 and 32: Performance ocfs vs raw
Page 33 and 34: OCFS 2 - What’s New ? • No magi
Page 35 and 36: ASM - Overview • ASM can be used
Page 37 and 38: Traditional vs ASM - Setup 1. Deter
Page 39 and 40: ASM - ASMlib API • The ASMLIB API
Page 41 and 42: The virtual file system • Permit
Page 43 and 44: Presentation of the /proc Mechanism
Page 45 and 46: Memory Handler
Page 47 and 48: Linux VM overview • SMP cache mec
Page 49 and 50: RedHat memory limit RHEL2.1 for ia3
Page 51 and 52: IA-32: memory map base address •
Page 53 and 54: Oracle VLM using s
Page 55 and 56: Oracle VLM using s
Page 57 and 58: Oracle using shmfs
Page 59 and 60: large memory pages (bigpages) • A
Page 61 and 62: IA-32: large memory pages (bigpages
Page 63 and 64: Cache Mechanism Overview
Page 65 and 66: Native Posix Thread Linux • NPTL
Page 67 and 68: Kernel parameters • What paramete
Page 69 and 70: Kernel parameters - 2 Swap optimiza
Page 71 and 72: During installation... • Take car
Page 73 and 74: Oracle User - Envi
Page 75 and 76: Install ksh • The korn shell is m
Page 77 and 78:
Requiered Packages Check the kernel
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SSH setting !!"#$%$ 79
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Storage Driver • Update the QLA d
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Operating system life cycle. • Ho
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Adjust Oracle Bloc
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Direct I/O Support • Direct I/O s
Page 89 and 90:
Oracle9i R
Page 91 and 92:
Oracle 10g <strong
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TNSNAMES Service Entry OE = (DESCRI
Page 95 and 96:
Diagnostic utilities. • ps. • t
Page 97 and 98:
Using Oracle Stats
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Packaging facility. • Why it can
Page 101 and 102:
Anaconda overview. • What is anac
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Co-produced by:
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“This is a standard quote slide.
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Oracle RAC on RedHat Linux Best Practice guide and ... - OpenMPE

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