Highly Available Linux on Itanium: A Case Study of How ... - OpenMPE

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the problem • Load (and storage requirements) to be placed upon the application will increase threefold. • Salespeople want remote connectivity and 24x7 availability of the application • Like all salespeople, they wait until the last week of the time period to book their sales • Application downtime at end of month translates to revenue which must be booked in the “next” month • IT does not want to provide on-call support during off hours • Application needs to automatically restart in event of application or hardware failure 60
constraints • Cost − application already works on current platform; no need to invest major sums of money on reinvention of the wheel (i.e. a rewrite of the application) • Time − for every month that the app is “un-protected”, the risk of non-booked revenue continues • Existing Hardware and Infrastructure − reuse as much as possible • Training and skills of current staff − utilize existing skill-sets 61
Page 1 and 2:
Highly-Ava
Page 3 and 4:
introduction - biography • Ten ye
Page 5 and 6:
introduction - PTAC services • De
Page 7 and 8:
prerequisites • System administra
Page 9 and 10: session IS: • Overview of Service
Page 11 and 12: hp Serviceguard • No fault tolera
Page 13 and 14: package definition A package define
Page 15 and 16: storage configuration The Nodes of
Page 17 and 18: package switch Packages act as virt
Page 19 and 20: cluster failure detection − Node
Page 21 and 22: split brain situation Cluster servi
Page 23 and 24: cluster lock quorum server • The
Page 25 and 26: quorum service arbitration node 1 n
Page 27 and 28: management interfaces Serviceguard
Page 29 and 30: HP Serviceguard for Linux</
Page 31 and 32: subject to change hp serviceguard f
Page 33 and 34: ideal customer environment • Ente
Page 35 and 36: Serviceguard for Linux</str
Page 37 and 38: distribution support A.11.15.02:
Page 39 and 40: hardware support • servers: − r
Page 41 and 42: minimum LAN configuration Subnet S1
Page 43 and 44: onding driver • The bonding drive
Page 45 and 46: onded LAN ICs after failure
Page 47 and 48: LVM implementation • Developed by
Page 49 and 50: deadman timer − Situations that c
Page 51 and 52: application integration • Product
Page 53 and 54: Case Study the company…
Page 55 and 56: the IT department • Company typic
Page 57 and 58: the application at issue • Client
Page 59: “This application is a critical c
Page 63 and 64: the solution • HP’s Serviceguar
Page 65 and 66: alternatives (continued) • <stron
Page 67 and 68: considerations: Red Hat vs SuSE •
Page 69 and 70: hp ! ! 1 0 1 0 hp ! ! 1 U S B 2 69
Page 71 and 72: installing Linux a
Page 73 and 74: system setup • Enable XDMCP for y
Page 75 and 76: preparing your systems All cluster
Page 77 and 78: editing security files (1 of 2) Fil
Page 79 and 80: cluster lock — Lock LUN rx4640a d
Page 81 and 82: Lock LUN - detailed steps − Creat
Page 83 and 84: create data partitions (1 of 2) −
Page 85 and 86: transfer disk partitions to other c
Page 87 and 88: onding configuration (1 of 3) Creat
Page 89 and 90: onding configuration (3 of 3) Creat
Page 91 and 92: estart networking From the console:
Page 93 and 94: uilding volume groups fdisk -l /* l
Page 95 and 96: creating file systems - secondary n
Page 97 and 98: verify data integrity on shared sto
Page 99 and 100: preventing boot-time vgscan • On
Page 101 and 102: generating a cluster configuration
Page 103 and 104: cluster configuration − Cluster a
Page 105 and 106: Solution implementation
Page 107 and 108: application monitoring −Applicati
Page 109 and 110: Apache Web Server configuration −
Page 111 and 112:
Lessons learned
Page 113 and 114:
lessons learned (2 of 3) −You can
Page 115 and 116:
Customer satisfaction
Page 117 and 118:
Questions?
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Highly Available Linux on Itanium: A Case Study of How ... - OpenMPE

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