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17-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide
Table 17-7 describes the statistics in the DEVICE section of the ifstat command
output when you use the command on a GB Ethernet interface.
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This section describes configuration procedures that might improve your filers
performance.
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An extremely large directory file can use up most of the filers CPU cycles when a
user enters a ls command in the directory. The limit on directory file size is set by
the options wafl.maxdirsize command. The default limit, 10 MB, should
prevent the system from hanging. A directory of this size accommodates approxi-
mately 300,000 files with short file names.
The wafl.maxdirsize option takes the maximum number of kilobytes as its
argument. When you reset the maximum directory size, the argument that you supply
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Packets
Number of packets attempted to be transmitted.
Bytes
Number of bytes attempted to be transmitted.
Errors
Number of hardware errors encountered while attempt-
ing to transmit.
Collisions
Number of collisions that occurred while transmitting
frames.
Unicast
packets
Number of unicast packets transmitted.
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Received errors
Number of errors encountered during reception by the
interface.
Transmit errors
Number of errors encountered during transmission by
the interface.
Collisions
Number of collisions encountered during transmission
by the interface.