loop monitoring. Server monitoring can usually obtain the status of physical devices on the server through out-of-band and IPMI, including CPU, memory, motherboard, and power supply; the storage system of the server, including information such as physical disks, RAID groups, RAID card Battery status, and Media Error. The RAID card of LSI can be viewed through MegaCli, And the Adaptec card can use Arcconf; in the operating system, we need to monitor m
occupied by abnormal nodes are released through the FENCE device, ensuring that resources and services always run on one node. Rhcs fence devices can be divided into two types: Internal FENCE and external FENCE. Common internal FENCE devices include ibm rsaii cards, HP iLO cards, and IPMI devices, external fence devices include UPS, san switch, and network switch.RHCS operation:1. Start the RHCS ClusterThe core processes of the RHCS cluster include c
In a linux system (CentOS 6.4 and Ubuntu 12.04 have been confirmed), you can run the dmicode command to view the detailed information of the hardware device.
The command format is dmidecode-t typecode.
The typecode is the code of the device type. The Code is as follows:
0 BIOS 1 System 2 Base Board 3 Chassis 4 Processor 5 Memory Controller 6 Memory Module 7 Cache 8 Port Connector 9 System Slots 10 On Board Devices 11 OEM Strings 12 System Configuration Options 13 BIOS Language 14 group Associati
attention to the above step, restart and immediately go to VNC, the action is a little faster, because the Start menu is skipped soon, as shown in the countdown, press the keyboard up and down arrow keys to select.
Is the currently available system kernel. After selecting and changing the line, press "E" on the disk to edit it.
For example, select the second row and press "E" to edit it.
Add "Space single" at the end of the line to change. Note that a space is left between single and the
Debian 5 upgrade debian 6 because you need to use xen 4.0 to provide virtualization, You need to upgrade some online debian 5 systems to debian 6. www.2cto.com 1. Modify the source to debian 6 1root@10.1.6.200 :~ # Cat/etc/debian_version25.0.23root@10.1.6.200 :~ # Vim/etc/apt/sources. list4deb http://mirrors.163.com/debian squeeze main non-free contrib2. update source, here use dist-upgrade instead of upgrade, explained later. 1root@10.1.6.200 :~ # Apt-get dist-upgrade is to install the upgrade
. action Script daemon bluetooth conman Console Management cpuspeed monitoring system idle percentage, reduce or speed up CPU clock speed and voltage enable crond automatic scheduling task enable cups universal UNIX print daemon dnsmasq Dns cache server daemon dund Bluetooth Dial Network firstboot after installation User Configuration Wizard, it is used to set the system gpm for the first time to a Linux program in text mode to provide mouse support, copy, paste operations, and pop-up menu halda
For small and medium organizations, for example, if the number of people is within 200 and the budget is low, some constructive suggestions are given here on how to plan and implement private cloud data centers:I. Requirement Analysis: Generally, the computing resources required by such institutions are between-virtual hosts, Production Storage is about 10 T-50 TB, and disaster recovery storage is about. 6, 6 TB to 30 TB. The network pressure is usually at the network outlet of 30-m, and the int
heartbeat line and the local network link of external services are disconnected. In this way, the competition is abandoned and the service can be taken over by ping the end of the reference IP address. If you cannot ping the IP address, you can restart the IP address to completely release the shared resources that may still be occupied (Heartbeat also has this function ).
B. Who should obtain the resources through third-party software arbitration.1.4.4 fence description
Fence is just a term in
replaced. Reboot was not successful, and the company's machine did not support IPMI Remote Boot. This is a sad reminder... I can only go to bed early!4. New ftrace and stack trace
This morning, I arrived at the company, configured the new environment, upgraded the new kernel, and finally got a glimpse of it. After the problem is fixed, I printed the following information:=> Kfree_skb=> Nf_hook_slow=> T.889=> Ip_output=> Ip_local_out=> Ip_push_pending
the Nova API. During this period, the image file is downloaded to the Nova node and configured on the virtual machine.Non-core projectsIronic: how to manage the lifecycle of a physical machine?Predecessor: Nova baremental driver, mainly managed through PXE and IPMI?Tempest: function test and integration test; based on unittest2 and noseOpenStack installationOpenStack uses AMQP to implement RPC services: RabbitMQ, Qpid, and ZeroMQ.Add the Havana sourc
meetings and training; the promus Hotel, Tennessee, has used Starburst communication software to distribute software updates and data updates to its branches through satellite links.Some ISPs such as planet are conducting multicasting experiments on a limited basis. Vendors including uunet technologies have begun to provide multicast services to customers. Digital Xpress has distributed multicast services through satellites.
Multicasting is a very practical technology. With the further support
administrators to quickly locate/solve various problems.Basic functionsData acquisition Method: Zabbix agent,agent (Active), SNMP,SSH, etc.Data storage methods: RDBMS, such as mysql,pgsql, etc.Data Display method: Php,web,guiAlarm function: Support alarm UpgradeComponents and infrastructureZabbix consists mainly of Zabbix server and Zabbix agentThe server is responsible for collecting monitoring data from the agent and storing it in the database, analyzing and displaying the data, and triggerin
Brick stake costume makeup Erlenmeyer flask baggage falling able ipmi conjugation the marinade CI The Mr. Zou cursed Group diamond to killer in the Perak of the Boss ";"}function traditionalized (cc) {var str= ', Ss=jtpystr (), Tt=ftpystr ();for (Var i=0;i{if (Cc.charcodeat (i) >10000ss.indexof (Cc.charat (i))!=-1) Str+=tt.charat (Ss.indexof (Cc.charAt (i)));else Str+=cc.charat (i);}return str;}function simplized (cc) {var str= ', Ss=jtpystr (), Tt=f
-manufacturerChassis-typeChassis-versionChassis-serial-numberChassis-asset-tagProcessor-familyProcessor-manufacturerProcessor-versionProcessor-frequency(2) Valid type keywords are:BiosSystemBaseboardChassisProcessorMemoryCacheConnectorSlots(3) Type all Codes List0 BIOS1 System2 Base Board3 Chassis4 Processor5 Memory Controller6 Memory Module7 Cache8 Port Connector9 System SlotsTen on Board DevicesOEM StringsSystem Configuration OptionsBIOS LanguageAssociations GroupSystem Event LogPhysical Memor
Background: Sometimes low-core hardware monitoring tools ipmitool can not be used, and the high-core is available, you need to consider upgrading the kernel.[Email protected] ~]# Ls/lib/modules/2.6.32-642.11.1.el6.x86_64/kernel/drivers/char/ipmi/ipmi_Ipmi_devintf.ko Ipmi_msghandler.ko Ipmi_poweroff.ko Ipmi_si.ko Ipmi_watchdog.koActual combat CentOS6.4 Upgrade kernel Linux upgrade kernel kernel-2.6.32-431.el6.x86_64 upgrade to kernel-2.6.32-642.11.1.el
This project is to pay for China Telecom wing to build Orange cloud in Nanjing, mainly to share with you the VMware vsphere6 +vsan private Cloud building.1.1. Building goalsThis is a storage environment provided by 800 NF5885 M4 host servers through Vsan storage virtualization software, using VMware vSphere6.0 and Vsan for virtualization. 2. Installing ESXi6.0Deploying through IPMI into the systemSelect virtual drive → image file → Select the ESXi6.0
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