HP StorageWorks Storage Mirroring for Linux User's Guide (T2558-96078, February 2008)

14 - 18
MaxConnections Number of network requests that can be processed simultaneously.
Values: 0 - 65535
Default: 5
HP recommends that you not change this value.
MaxDriverPagefile
Size
Specifies the amount of disk space, in MB, to use for Storage Mirroring driver paging
Values: 64-4095
Default:
256
The Storage Mirroring driver pagefile is located in the directory specified by QJournalDir.
MaxLogFileSize Maximum size, in bytes, of any .dtl log file
Values: limited by available disk space
Default:
1048576
MaxNumberofLog
Files
Maximum number of .dtl log files that can exist at one time. When Storage Mirroring creates a
new .dtl file, if this number is exceeded, the oldest .dtl file is deleted.
Values:
1 - 999
Default: 5
MaxRemoveOrphans
OpSize
Determines whether or not Storage Mirroring will send over multiple remove orphan operations.
Storage Mirroring will send over the operations if a directory has more files than this number.
Values: 0 - 131072
Default : 1000
MaxRetry A generic, application wide setting specifying the number of retry attempts for processes such as
creating sockets, starting the daemon, and so on
Values: any integer
Default:
5
MaxWriteChunkSize Maximum merged op size (in bytes) used during replication
Values: 1 - 131072
Default: 65536 (64K)
MCHelpPath The path and file name to the Management Console online help file
Default: c:\Program Files\OpenView\Storage Mirroring\online help\mc\ wwhelp.htm
Do not change this value or the online help will not work.
MemoryAllocator
CallbackMode
Determines what action is taken when the MemoryQueueToDiskThreshold is met
Values:
(
0) Auto-disconnect—Auto-disconnect processing is initiated when the
MemoryQueueToDiskThreshold has been met. Connections will be reestablished when
auto-reconnect occurs.
(
1) Pause—The Storage Mirroring daemon stops pulling operations from the driver when the
MemoryQueue ToDiskThreshold has been met. The target will pause the source. The daemon
will resume pulling operations when the target tells the source to resume.
(
2) Queue—The source and target begin queuing operations to disk.
Default:
2
MemoryQueueToDisk
Threshold
A percentage of QmemoryBufferMax that will trigger queuing to disk.
Values: any valid percentage
Default: 100
Program Setting Description