Hp MSA 2040 SAN Storage Manuel d'utilisateur télécharger pdf (Page 54)

54 Troubleshooting

The Number of Reads and Number of Writes outputs show the number of these operations that

have occurred since the statistic was last reset, or since the controller was restarted.

2. Run the show vdisk-statistics command a second time.

This provides you a specific window of time (the interval between requesting the statistics) to determine

if data is being written to or read from the disk.

3. If any reads or writes occur during this interval, a host is still reading from or writing to this vdisk.

Continue to stop IOPS from hosts, and repeat step 1 until the Number of Reads and Number of

Writes statistics are zero.

See the HP MSA 2040 CLI Reference Guide for additional information, at your HP MSA 2040 manuals

page: http://www.hp.com/

support/msa2040/Manuals.

Diagnostic steps

This section describes possible reasons and actions to take when an LED indicates a fault condition during

initial system setup. See "LED descriptions" (page 73) for descriptions of all LED statuses.

NOTE: Once event notification is configured and enabled using the SMU, you can view event logs to

monitor the health of the system and its components using the GUI.

In addition to monitoring LEDs via line-of-sight observation of racked hardware components when

performing diagnostic steps, you can also monitor the health of the system and its components using the

management interfaces. Be mindful of this when reviewing the Actions column in the diagnostics tables,

and when reviewing the step procedures provided in this chapter.

Is the enclosure front panel Fault/Service Required LED amber?

Is the enclosure rear panel FRU OK LED off?

Answer Possible reasons Actions

No System functioning properly. No action required.

Yes A fault condition exists/occurred.

If installing an I/O module FRU, the

module has not gone online and likely

failed its self-test.

• Check the LEDs on the back of the controller enclosure to

narrow the fault to a FRU, connection, or both.

• Check the event log for specific information regarding the

fault; follow any Recommended Actions.

• If installing an IOM FRU, try removing and reinstalling the

new IOM, and check the event log for errors.

• If the above actions do not resolve the fault, isolate the

fault, and contact an authorized service provider for

assistance. Replacement may be necessary.

Table 4 Diagnostics LED status: Front panel “Fault/Service Required”

Answer Possible reasons Actions

(blinking)

System functioning properly.

System is booting.

No action required.

Wait for system to boot.

Yes The controller module is not powered

on.

The controller module has failed.

• Check that the controller module is fully inserted and

latched in place, and that the enclosure is powered on.

• Check the event log for specific information regarding the

failure.

Table 5 Diagnostics LED status: Rear panel “FRU OK”

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 93 94

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Hp MSA 2040 SAN Storage Manuel d'utilisateur Page 54

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