How to monitor the plug-in service and the status of power supply units (PSUs), fans, and redundant array of independent disks (RAID) controller cards of the devices?

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Procedure
Step 1 In the navigation tree, choose Current Status > Services.
Step 2 In the function pane, the Service Status Details For All Hosts lists information about the monitored devices and their component status.
The Hostcolumn displays host names of the monitored devices. You can click a host name to view the details about the device. huaweiplugin is the name of the plug-in service monitored by the Nagios.
The Service column displays components of the monitored devices. You can click a component to view the detailed status information.
The Status column displays overall status of the monitored components.

Other related questions:
Adding a disk to a RAID array
You can add a disk to a RAID array as follows: 1. If the LSISAS2208 or LSISAS3108 RAID controller card is used, you can add a new disk to a RAID array online. For details about how to expand the virtual disk (VD) capacity online, see HUAWEI Server RAID Controller Card User Guide 09. 2. If the LSISAS2308 or LSISAS3008 RAID controller card is used, you cannot add a disk to a RAID array through online capacity expansion and cannot expand the VD capacity online. 3. If softRAID is used, you cannot add a disk to a RAID array online or expand the VD capacity online.

Necessity of configuring RAID arrays for a RAID controller card
If the LSISAS1078, LSISAS2208, or LSISAS3108 RAID controller card is used, the disks can be recognized by the system only when they are in RAID arrays. If the LSISAS1068, LSISAS2308, or LSISAS3008 RAID controller card is used, the disks can be used as individual disks for OS installation, if they are not in RAID arrays.

Configuring RAID card
Manuals: For details about how to configure the RAID card and precautions, see http://support.huawei.com/enterprise/en/doc/DOC1000004186?idPath=7919749|9856522|21782478|19955021|19961397. Videos: LSI SAS2208 RAID Controller Card Configuration http://support.huawei.com/huaweiconnect/enterprise/thread-243427.html LSI SAS2308 RAID Controller Card Configuration http://support.huawei.com/huaweiconnect/enterprise/thread-243441.html LSI SAS3008 RAID Controller Card Configuration http://support.huawei.com/huaweiconnect/enterprise/thread-281743.html LSI SAS3108 RAID Controller Card Configuration http://support.huawei.com/huaweiconnect/enterprise/thread-281765.html

Impact of removing and installing hard disks without powering off the server
1. LSISAS2208 RAID controller card: If no hot spare disk is configured, the RAID controller card can rebuild data on a new hard disk installed online to replace a faulty hard disk. (The new hard disk must be of the same specifications as the faulty hard disk.) However, if you remove and reinstall a hard disk that is not faulty, the LSISAS2208 RAID controller cannot identify the data on the hard disk. 2. LSISAS2308 RAID controller card: If you remove and install a hard disk without stopping services, the LSISAS2308 RAID controller card can identify data on the hard disk no matter whether the hard disk is new or not.

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