HP P2000 HP P2000 G3 MSA System SMU Reference Guide - Page 90

Snap-pool properties, Schedule properties, Configuration limits, Licensed features, Version properties

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Snap-pool properties When you select the Snap Pools component a table shows each snap pool's name, serial number, size, free space, master volumes, snapshots, and vdisk name. Snapshot properties When you select the Snapshots component a table shows each snapshot's name, serial number, source volume, snap-pool name, amounts of snap data, unique data, and shared data, and vdisk name. • Snap data is the total amount of data associated with the specific snapshot (data copied from a source volume to a snapshot and data written directly to a snapshot). • Unique data is the amount of data that has been written to the snapshot since the last snapshot was taken. If the snapshot has not been written or is deleted, this value is zero bytes. • Shared data is the amount of data that is potentially shared with other snapshots and the associated amount of space that will be freed if the snapshot is deleted. This represents the amount of data written directly to the snapshot. It also includes data copied from the source volume to the storage area for the oldest snapshot, since that snapshot does not share data with any other snapshot. For a snapshot that is not the oldest, if the modified data is deleted or if it had never been written to, this value is zero bytes. Schedule properties When you select the Schedules component a table shows each schedule's name, specification, status, next run time, task type, task status, and task state. For the selected schedule, three tables appear. The first table shows schedule details and the second table shows task details. For a task of type TakeSnapshot, the third table shows the name and serial number of each snapshot that the task has taken and is retaining. Configuration limits When you select the Configuration Limits component a table shows the maximum quantities of vdisks, volumes, LUNs, disks, and host ports that the system supports. Licensed features When you select the Licensed Features component a table shows the status of licensed features. Version properties When you select the Versions component a table shows the versions of firmware and hardware in the system. Viewing the system event log In the Configuration View panel, right-click the system and select View > Event Log. The System Events panel shows the 100 most recent events that have been logged by either controller. All events are logged, regardless of event-notification settings. Click the buttons above the table to view all events, or only critical, warning, or informational events. The event log table shows the following information: • Severity. Critical. A failure occurred that may cause a controller to shut down. Correct the problem immediately. Error. A failure occurred that may affect data integrity or system stability. Correct the problem as soon as possible. Warning. A problem occurred that may affect system stability but not data integrity. Evaluate the problem and correct it if necessary. Informational. A configuration or state change occurred, or a problem occurred that the system corrected. No action is required. 90 Viewing system status

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90
Viewing system status
Snap-pool properties
When you select the Snap Pools component a table shows each snap pool’s name, serial number, size,
free space, master volumes, snapshots, and vdisk name.
Snapshot properties
When you select the Snapshots component a table shows each snapshot’s name, serial number, source
volume, snap-pool name, amounts of snap data, unique data, and shared data, and vdisk name.
•
Snap data is the total amount of data associated with the specific snapshot (data copied from a source
volume to a snapshot and data written directly to a snapshot).
•
Unique data is the amount of data that has been written to the snapshot since the last snapshot was
taken. If the snapshot has not been written or is deleted, this value is zero bytes.
•
Shared data is the amount of data that is potentially shared with other snapshots and the associated
amount of space that will be freed if the snapshot is deleted. This represents the amount of data written
directly to the snapshot. It also includes data copied from the source volume to the storage area for the
oldest snapshot, since that snapshot does not share data with any other snapshot. For a snapshot that
is not the oldest, if the modified data is deleted or if it had never been written to, this value is zero
bytes.
Schedule properties
When you select the Schedules component a table shows each schedule’s name, specification, status, next
run time, task type, task status, and task state.
For the selected schedule, three tables appear. The first table shows schedule details and the second table
shows task details. For a task of type TakeSnapshot, the third table shows the name and serial number of
each snapshot that the task has taken and is retaining.
Configuration limits
When you select the Configuration Limits component a table shows the maximum quantities of vdisks,
volumes, LUNs, disks, and host ports that the system supports.
Licensed features
When you select the Licensed Features component a table shows the status of licensed features.
Version properties
When you select the Versions component a table shows the versions of firmware and hardware in the
system.
Viewing the system event log
In the Configuration View panel, right-click the system and select
View > Event Log
. The System Events
panel shows the 100 most recent events that have been logged by either controller. All events are logged,
regardless of event-notification settings. Click the buttons above the table to view all events, or only critical,
warning, or informational events.
The event log table shows the following information:
•
Severity.
Critical. A failure occurred that may cause a controller to shut down. Correct the problem
immediately
.
Error. A failure occurred that may affect data integrity or system stability. Correct the problem as
soon as possible.
Warning. A problem occurred that may affect system stability but not data integrity. Evaluate the
problem and correct it if necessary.
Informational. A configuration or state change occurred, or a problem occurred that the system
corrected. No action is required.