Service manual

4 Sun ONE Directory Server Installation and Tuning Guide • June 2003
Chapter 2 UpgradingFromPreviousVersions.................................... 51
BeforeYouUpgrade....................................................................51
WhenUpgradingaSingleServerInstance .............................................. 51
WhenUpgradingMultipleReplicatedServers...........................................53
ForHelpWithUpgrades ............................................................. 54
UpgradingaSingleServer............................................................... 54
Installing the New Server . . . ..........................................................54
(4.xto5.2)HandlingCustomSchema ..................................................55
MigratingExistingData ..............................................................55
(4.xto5.2)CreatingReplicationAgreements ............................................56
(Optional)ReusingtheExistingPortNumber ...........................................57
(4.xto5.2)UpgradingReplicatedServers..................................................57
PreparingtheNewMaster............................................................57
UpgradingtheConsumers............................................................ 58
UpgradingaBranch .................................................................58
AddingAdditionalServers ...........................................................59
Example4.xUpgradeScenario ........................................................60
(5.xto5.2)UpgradingReplicatedServers..................................................66
Upgrading5.xServers................................................................ 67
AddingAdditionalServers ...........................................................67
Example5.xUpgradeScenario ........................................................67
Part 2 Tuning ..............................................................71
Chapter 3 Top Tuning Tips . ................................................... 73
Chapter 4 HardwareSizing .................................................... 79
SuggestedMinimumRequirements.......................................................79
MinimumAvailableMemory ......................................................... 80
MinimumLocalDiskSpace ...........................................................80
MinimumProcessingPower ..........................................................81
MinimumNetworkCapacity..........................................................81
SizingPhysicalMemory ................................................................81
SizingMemoryforDirectoryServer....................................................82
SizingMemoryfortheOperatingSystem ...............................................83
SizingTotalMemory................................................................. 84
DealingWithInsufficientMemory.....................................................84
SizingDiskSubsystems .................................................................85
SizingDirectorySuffixes ............................................................. 85
HowtheDirectoryServerUsesDisks .................................................. 86
DistributingFilesAcrossDisks ........................................................ 88