Oracle SPARC Enterprise M4000, Installation Manual

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B-10 SPARC Enterprise M4000/M5000 Servers Installation Guide • February 2012
The following example shows output for one
iostat
command.
-e
Displays device error summary statistics. The total
errors, hard errors, soft errors, and transport errors
are displayed. Provides a short table with accumulated
errors. Identifies suspect I/O devices.
-E
Displays all device error statistics. Provides information about devices:
manufacturer, model number, serial
number, size, and errors.
-n
Displays names in descriptive format. Descriptive format helps identify devices.
-x
For each drive, reports extended drive statistics.
The output is in tabular form. Provides rate information, similar to the
-e option, . This helps identify poor
performance of internal devices and
other I/O devices across the network.
# iostat -En
c0t0d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST973401LSUN72G Revision: 0556 Serial
No: 0521104T9D
Size: 73.40GB <73400057856 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t1d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST973401LSUN72G Revision: 0556 Serial
No: 0521104V3V
Size: 73.40GB <73400057856 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
#
TABLE B-3
Options for
iostat
(Continued)
Option Description How It Can Help