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Figure 1
Spheras Storage Director Client and Server Relationship
This diagram shows how the client talks with the server. Spheras Storage Director uses Java RMI (Remote Method
Invocation) as Internet connectivity paths that are used when the client talks with the server that launched it (Server B).
It also shows how Server B will talk to the other servers in response to the user interacting with the other servers via the
client machine.
1.4
Configuration Functions
Configuring a disk array is easily performed using the Configure Unused Storage with Assistance wizard. This wizard
simplifies the process of setting up or reconfiguring a disk array. Follow the instructions as presented on the dialogs,
answer a few questions, and the Configure Unused Storage with Assistance wizard does the rest. Use the Configure
Unused Storage Manually Wizard for more control over how arrays are defined.
Monitoring Functions
1.4.1
The Spheras Storage Director Server component collects and disseminates information on resource utilization and array
status. The Spheras Storage Director Client organizes this information through a graphical display. Errors and events
are recorded in a log file and in the event content table. If a problem is serious enough to warrant immediate attention,
operators can be notified by the Spheras Storage Director by using applications such as pagers and email.
Maintenance Functions
1.4.2
The Spheras Storage Director Client manages or performs maintenance on individual disk arrays and drives (with
appropriate authentication), again through use of the graphical user interface. This includes removing physical devices
from operation in a functioning disk array (also known as "stopping" or off-lining a drive), rebuilding drives, selecting
hot spares, and initiating a consistency check (or parity) on arrays that are configured to support redundancy. The
Spheras Storage Director Server executes the management instructions specified by the Spheras Storage Director Client.
14
Spheras Storage Director Installation and User Guide
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