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# PowerMax File - File System metrics

Unisphere collects and displays metrics for PowerMaxFile.

File System metrics are supported only by storage systems (arrays) running PowerMaxOS 10 (6079).

The following table lists all metrics that are available for File System.

Table 1. File system metrics
Metric | Description
--- | ---
% Reads | The percentage of read operations by the storage file system of the file node
% Used | The percentage used by the storage file system of the file node
% Writes | The percentage of write operations by the storage file system of the file node
IO Average Size | I/O average size
IO/sec | I/O /sec
Read Average Size | The average size of a read operation by the storage file system of the file node
Read Response Time | Read Response Time
Read Throughput | The read throughput in KBs per second by the storage file system of the file node
Reads/sec | The number of reads per second by the storage file system of the file node
Response Time | Response Time
Storage Available | The storage available in KBs on the storage file system of the file node
Storage Used | The storage used in KBs on the storage file system of the file node
Throughput | Throughput
Total Storage | The total storage on the storage file system of the file node
Write Average Size | The average size of a write operation by the storage file system of the file node
Write Response Time | Write Response Time
Write Throughput | The write throughput in KBs per second by the storage file system of the file node
Writes/sec | The number of reads per second by the storage file system of the file node