现有一台服务器，安装Vmware Esxi6.5，事件日志中传感器System Management Module 2 Event Log的运行状态为黄色，显示有告警。
接服务器管理口发现硬件状态正常，将硬件日志清除后，在esxi中执行命令localcli hardware ipmi sel clear。
事件日志中传感器显示运行状态正常。
[……]
F5前面板指示灯说明
Topic
This article applies to legacy BIG-IP platforms supported by BIG-IP 9.x through 11.1.0. For information about the LED behavior for current platforms supported by current versions, refer to the platform guide for your specific platform.
Note: For information about how to locate F5 product gui[……]
F5 BIG-IP平台上的LCD消息说明
This article applies to BIG-IP iSeries hardware platforms.
Description
The LCD panel provides the ability to manage and monitor the unit without attaching a console or network cable. The different sensors that exist in the hardware platform provides information regarding the hardware heal[……]
F5远程清除液晶屏和报警指示灯
Topic
You should consider using this procedure under the following condition:
- You want to remotely clear LCD warnings and the Alarm LED.
Prerequisites
You must meet the following prerequisite to use this procedure:
- You have command line access to the BIG-IP system.
Description
I[……]
F5 液晶屏显示’unit going active’、’unit going standby’的含义
Topic
When a BIG-IP system transitions from active to standby state or standby to active state, a message is displayed on the LCD display indicating the amount of time that has passed since the state transition occurred.
The BIG-IP system transitioning from standby to active displays a message[……]
hdparm命令介绍
通常情况下可以使用fdisk、df等命令查看硬盘的分区情况以及当前已使用空间大小、剩余空间大小等信息。但是如果要查看硬盘的硬件信息如 硬盘型号、序列号、已运行时间等信息该用什么工具查看呢？
在Linux下可以使用hdparm工具查看硬盘的相关信息或对硬盘进行测速、优化、修改硬盘相关参数设定。我主要常用这个工具来测试硬盘速度。
hdparm(hard disk parameters)
功能说明：显示与设定硬盘的参数。
该命令用来获取或设置SATA/IDE设备的参数。注意了，既可以获取也可以设置，所以使用这个命令的时候务必要小心。当然我们只是为了获取查看硬盘信息，故不会对硬盘及系统[……]
iostat命令介绍
引言：
一、概述
二、iostat用法
(1).用法：iostat [选项] [<时间间隔>] [<次数>]
(2). 命令参数：
(3).示例：
1.显示所有设备的负载情况
2.iostat -m 以M为单位显示所有信息
3.iostat -d sda 显示指定硬盘信息
4.iostat -t 报告每秒向终端读取和写入的字符数
5.iostat -d -k 1 1 查看TPS和吞吐量信息
[……]
centos7挂载本地yum源的方法
centos7虚拟机环境，光驱连接centos安装镜像。
一、创建目录挂载镜像
mkdir -p /mnt/cdrom
mount /dev/sr0 /mnt/cdrom/
二、创建本地yum源
在/etc/yum.repos.d目录下创建local.repo文件，写入内容：
[local]
name=local repo
baseurl=file:///mnt/cdrom
enable=1
gpgckeck=1
gpgkey=file:///mnt/cdrom/RPM-GPG-KEY-CentOS-7
三、将/etc/yum.repos.d目录下其余文件删除，或者移动到别的目录，使得/etc[……]
HPE 1500 iLO 4 Configuration is temporarily unavailable
- Set the ilo 4 Security Override Switch on the system board to the ON position. The location of the switch is printed on a label located on the inside of the server blade hood cover. On the same maintenance switch, set switch number 3 to the ON position.
- Download the Smart Update Firmware Maintenance[……]
HPE Integrated Lights-Out 4 (iLO 4) – HPE Active Health System (AHS) Logs and HPE OneView Profiles May Be Unavailable Causing iLO Self-Test Error 8192, Embedded Media Manager and Other Errors
On an HPE Gen8-series or HPE ProLiant Gen9-series servers with HPE Integrated Lights-Out 4 (iLO 4), the NAND flash device may not initialize or mount properly, which may cause a variety of symptoms, which are listed below:
AHS Errors
- AHS Logs display a blank date when performing the following:[……]
HP DL380G9服务器开机无F10的处理办法
HP服务器的F10功能是一个安装在主板NAND空间上的独立的linux内核系统，主要功能是系统快速安装和服务器维护诊断。
如果开机自检时没有出现F10按钮的提示，有三种可能。
一、主板BIOS设置问题，可以通过恢复BIOS默认设置或者单独设置F10。
按F9进入主板BIOS设置，System Utilities——System Configuration——menucascade-separatorBIOS/
Platform Configuration (RBSU)（BIOS/平台配置）——menucascade-separatorServer Security（服务器安
全性）——m[……]
linux新增一块硬盘并做LVM分区的方法
linux新增了一块硬盘，首先通过fdisk -l查看：
然后fdisk /dev/vdb创建分区
以此输入n p
first sector和last sector默认，直接回车，输入t L
输入8e，采用LVM分区
按w保存。
然后pvcreate /dev/vdb1，vgcreate vg_vdb /dev/vdb1
lvcreate -L 1000G -n lv_u01 vg_vdb，mkfs.xfs /dev/vg_vdb/lv_u01
新建/u01目录，挂载分区mount /dev/vg_vdb/lv_u[……]