Fujitsu Eternus2000 Manual page 181

- When not using ETERNUS Multipath Driver, use the path management tool and check the
• Check the loading of the ETERNUS2000. If the load is out of balance because of opera-
tion content changing and so forth.
• When the cause is not identified, contact your maintenance engineer.
Refer
When the server does not recognize the disk drives
When the server does not recognize the disk drives, points to be checked depend on the situation.
• All servers do not recognize the disk drives
• Check the status of the ETERNUS2000 and other devices such as network devices con-
necting the server and the ETERNUS2000, and ensure that there are no problems with
the power supply.
• Check if the drive enclosure is turned on. If the drive enclosure is not turned on, check if
the miniSAS cables (for drive enclosures) are connected. If the miniSAS cables are not
connected, connect them with the following procedure.
1 Press the controller enclosure's Power Switch for four seconds or more to turn off the
2 Connect the miniSAS cables.
3 Press the controller enclosure's Power Switch to turn on the ETERNUS2000.
• Specific servers do not recognize the disk drives
If the specific servers do not recognize the disk drives (whilst other servers can), check the following
points. If none of these resolve the problem, leave the ETERNUS2000 alone and contact your mainte-
nance engineer.
• Check the path status.
Check if an error occurs in a path by using a path management tool such as ETERNUS
Multipath Manager. When an error occurs, contact your maintenance engineer
• If an error occurs in a Fibre Channel card or adapter in the server, replace the Fibre Chan-
nel card or adapter, referring to
150),
Replacing the SAS Card" (page 151)
Refer
P3AM-2512-03EN ETERNUS2000 disk storage system User Guide
path status that each software provides, and handle the problem if necessary.
• "ETERNUS2000 ETERNUSmgr User Guide -Settings/Maintenance-"
• ETERNUS Multipath Driver manuals
ETERNUS2000.
"6.4.2 When Replacing the LAN Card / iSCSI HBA" (page
• ETERNUS Multipath Driver manuals
• User guides for server-side cards and adapters
• "ETERNUS8000, ETERNUS4000, ETERNUS2000 disk storage sys-
tem Server Connection Guide"
• "ETERNUS2000 ETERNUSmgr User Guide -Settings/Maintenance-"
Copyright 2009 FUJITSU LIMITED
Chapter 6 Operation and Troubleshooting
"6.4.1 When Replacing the Fibre Channel Card" (page
151), or "6.4.3 When
6
157