Summary of Memory Use
The total system physical memory is displayed at the top of this area. To the left is
a pie-chart showing memory usage by component. To go to the Analytics worksheet for
dynamic memory usage broken down by application name, click the Memory pie-chart.
Table 26 Summary of Pool Usage
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Used
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Space used by this pool including data and snapshots.
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Avail
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Amount of physical disk space available. Space available for file
data (as reported in the Shares screen) will be less than this, due
to the consumption of filesystem metadata.
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Free
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Amount of space available, within the LUN capacity, less unused
space that is reserved by projects and shares within a pool.
Provides the free disk space available when disk space is allocated
by reservation in advance and/or when LUNs are created.
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Compression
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Current compression ratio achieved by this pool. Ratio will
display 1x if compression is disabled.
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Dedup
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Current data deduplication ratio achieved by this pool. Ratio will
display 1x if data deduplication is disabled.
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Table 27 Summary of Main Memory Usage
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Cache
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Bytes in use by the filesystem cache to improve
performance.
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Unused
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Bytes not currently in use. After booting, this value will
decrease as space is used by the filesystem cache.
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Mgmt
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Bytes in use by the appliance management software.
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Other
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Bytes in use by miscellaneous operating system software.
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Kernel
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Bytes in use by the operating system kernel.
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Note that users need the analytics/component create+read
authorization to view the memory usage. Without this authorization, the memory details
do not appear on the Dashboard.