Dell PowerEdge MX7000 EMC OpenManage Enterprise-Modular Edition Version 1.00.1 - Page 47

Downgrading storage enclosure firmware, Managing SAS IOMs, SAS IOM Overview, firmware

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Downgrading storage enclosure firmware Follow these steps to roll back the firmware for a storage enclosure: 1 On the OME-Modular web interface, go to Devices > Storage. 2 Select the system and click View Details. 3 Click Rollback Firmware. 4 Select the available version of the firmware and click Confirm to continue. Managing SAS IOMs The internal connection of the storage subsystem is called "Fabric C", which serves as a communication mode between compute sleds and storage enclosures. The "Fabric C" is used for SAS of FC storage connectivity and includes a midplane. SAS IOMs allow creating storage assignments in which you can map storage enclosure drives or whole storage enclosures to compute sleds. SAS IOMs provide multi-path input out access for compute sleds to drive elements. The active module manages the SAS IOM and is responsible for all inventory and storage assignments on the fabric. A single width compute sled can support one Fab-C mezzanine card that connects to each IOM through a x4 link. Each lane in the link supports 12Gbps SAS for a total of 48Gbps link to each SAS IOM. In SAS IOMs, the Fab-C IOMs are used to provide SAS switching between compute sleds and internal storage sleds such as PowerEdge MX5016s. For information on the tasks that you can perform on the I/O Modules page for SAS, see Managing IOMs. SAS IOM Overview The SAS IOM Overview page displays details of the IOM, chassis, the list of recent alerts, and recent activities. The IOM information comprises of the model, power state, firmware version, fabric type, and management role of the IOM. The management roles can be of three types: • Active • Passive • Degraded A healthy system has one "Active" and one "Passive" SAS IOM. The chassis information comprises of the name of the chassis, slot name, and slot number. Information about the SAS IOM storage subsystems is also displayed on the right side of the Overview page. The storage subsystem information comprises the name of the subsystem and health status. Click View Details to view the alerts and alert details. The details comprise of the message ID, message, timestamp when the alert was triggered, and recommended action. To view the IOM overview: 1 From the menu bar, click Devices > I/O Modules. The I/O Modules list page is displayed. 2 Select the IOM whose details you want to view. A summary of the selected IOM is displayed on the right side. The summary comprises the name of the IOM, device type, management IP, model, health status, and availability. 3 Click View Details. The Overview page is displayed. On the IOM Overview page, you can perform the following tasks: • Power Control-Turn on, turn off, power cycle, or system reseat operations. - Turn on or turn off-When you turn off the IOM, the status of the IOM is "Offline". As a result, status of the peer IOM may be "Degraded". When you power cycle the IOM, it causes a warm reboot of the IOM. Managing Storage 47

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Downgrading storage enclosure
firmware
Follow these steps to roll back the
firmware
for a storage enclosure:
1
On the OME–Modular web interface, go to
Devices
>
Storage
.
2
Select the system and click
View Details
.
3
Click
Rollback Firmware
.
4
Select the available version of the
firmware
and click
Confirm
to continue.
Managing SAS IOMs
The internal connection of the storage subsystem is called "Fabric C", which serves as a communication mode between compute sleds and
storage enclosures. The "Fabric C" is used for SAS of FC storage connectivity and includes a midplane. SAS IOMs allow creating storage
assignments in which you can map storage enclosure drives or whole storage enclosures to compute sleds. SAS IOMs provide multi-path
input out access for compute sleds to drive elements. The active module manages the SAS IOM and is responsible for all inventory and
storage assignments on the fabric.
A single width compute sled can support one Fab-C mezzanine card that connects to each IOM through a x4 link. Each lane in the link
supports 12Gbps SAS for a total of 48Gbps link to each SAS IOM. In SAS IOMs, the Fab-C IOMs are used to provide SAS switching
between compute sleds and internal storage sleds such as PowerEdge MX5016s.
For information on the tasks that you can perform on the I/O Modules page for SAS, see
Managing IOMs
.
SAS IOM Overview
The SAS IOM
Overview
page displays details of the IOM, chassis, the list of recent alerts, and recent activities. The IOM information
comprises of the model, power state,
firmware
version, fabric type, and management role of the IOM. The management roles can be of
three types:
•
Active
•
Passive
•
Degraded
A healthy system has one "Active" and one "Passive" SAS IOM.
The chassis information comprises of the name of the chassis, slot name, and slot number.
Information about the SAS IOM storage subsystems is also displayed on the right side of the
Overview
page. The storage subsystem
information comprises the name of the subsystem and health status. Click
View Details
to view the alerts and alert details. The details
comprise of the message ID, message, timestamp when the alert was triggered, and recommended action.
To view the IOM overview:
1
From the menu bar, click
Devices
>
I/O Modules
. The
I/O Modules
list page is displayed.
2
Select the IOM whose details you want to view. A summary of the selected IOM is displayed on the right side. The summary
comprises the name of the IOM, device type, management IP, model, health status, and availability.
3
Click
View Details
. The
Overview
page is displayed.
On the
IOM Overview
page, you can perform the following tasks:
•
Power Control—Turn on, turn
off,
power cycle, or system reseat operations.
–
Turn on or turn
off—When
you turn
off
the IOM, the status of the IOM is
"Offline".
As a result, status of the peer IOM may be
"Degraded". When you power cycle the IOM, it causes a warm reboot of the IOM.
Managing Storage
47