Dell PowerVault MD1000 Information Update
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Also for Dell PowerVault MD1000: Support Matrix Manual (11 pages), Reference Manual (35 pages), Support Matrix (21 pages), Supplementary Manual (2 pages), Information Update (42 pages), Setup Diagram (2 pages)
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Information Update
This document provides updated information regarding the Dell
Storage Enclosure.
Loss of Communication Between the Dell PERC 5/E Adapter
and the Dell PowerVault MD1000 Storage Enclosure
The following activities may cause loss of communication to occur:
•
Installing or replacing an enclosure management module (EMM) while the server is online
•
Downloading PowerVault MD1000 firmware
•
Accidentally disconnecting the cables to the enclosure or EMM while the server is online
•
Powering down the PowerVault MD 1000 enclosure while the server is online
NOTE:
In a split-mode configuration, these conditions apply to the server that is directly attached to the
affected EMM. In a daisy-chain configuration, these conditions apply when communication is lost to any
enclosure in the daisy chain.
Loss of Communication Messages
When a loss of communication scenario occurs, the following messages could be reported by the
PERC 5/E Adapter Ctrl-R utility and the Dell OpenManage
logged as a result of a loss of communication and they do not indicate actual hardware
component failures.
•
The PERC 5/E Adapter Ctrl-R utility may report:
–
Physical disks and virtual disks as Offline, Degraded, Failed, or Foreign
•
The Dell OpenManage Server Administrator Storage Management may report:
–
Lost Communication alert(s) to the Dell OpenManage Server Administrator Alert Log
–
The enclosure, physical disks, and virtual disks as Offline, Degraded, Failed, or Foreign
Resolving a Loss of Communication Scenario
Perform the following steps when a loss of communication scenario occurs:
1 Power down the server.
2 Verify that all the cables are properly connected and secured to the Dell PERC 5/E Adapter
and the Dell PowerVault MD1000 enclosures.
™
™
PowerVault
MD1000
™
applications. These messages are
April 2006