netapp cluster

Note: After the data node is started, 2 GB of Hard Disk Space (preallocate the space for the logs (used for recovery) will be pre-allocated ). this is to avoid problems during running of waiting for the OS to allocate disk space or running out of space), and then start the service node after the allocation is successful! Procedure: http://www.cnblogs.com/jinzhenshui/archive/2009/12/18/1627364.html # Manage the node configuration file my_cluster.ini: [Ndbd default]Noofreplicas = 2 # Th

Keepalived high-availability cluster practices and keepalived cluster practices (1) Prepare the hardware environment in practice Prepare four physical servers or four vmvms, two of which are used for Keepalived servers and two for web testing sites. HOSTNAME I P Release Lb01 10.0.0.7 Keepalived master server (Nginx master Load balancer) Lb02 10.0.0.

Mongodb distributed cluster (3. sharding), mongodb ClusterOverview The above two blogs are about the mongodb cluster configuration and do not involve the distributed architecture. This blog is about the distributed architecture of mongodb, which divides a whole into multiple parts, each slice is deployed on different servers. This is mongodb's distributed architecture, that is, mongodb's sharding operation.

HPC cluster public network open security reinforcement and resource display, hpc cluster open reinforcement1. Force password change upon Logon [Root @ node24 ~] # Cat/etc/passwd | tail-31 | awk-F ":" '{print $1}'> user [Root @ node24 ~] # For I in 'cat user'; do chage-d 0 $ I; done 2. Set Password Complexity [Root @ node24 ~] # Cat/etc/pam. d/system-auth # % PAM-1.0 # This file is auto-generated. # User cha

Select the "install IBM httpserver" option and click "Installation Wizard", as shown in the following figure: Installation tips: click "Next" step by step, and pay attention to several details, as shown below: (1) The product installation path is consistent with the previous was software installation path. For details, refer: (2) set the Windows service definition, select "Log on with a local system account", and set the password. This article is set to admin, for example: (3) set the user

Redis3.0 cluster CRC16 algorithm PHP client Implementation method (PHP obtains the Redis partition slot of Redis data in the redis3.0 cluster and obtains the Redis server address of the partition based on the partition slot)

console will still error, but this time only two error messages, Maybe we configured the information in Eureka Server These two error messages are not valid until the registration request has been initiated to the default registryTip 02: The effect of starting Eureka server after Eureka Server is turned off to another registry or a feature that is registered aloneWorkaround 02: Register to another registry (because there is no other registry now, so this post registers it with itself), add the

://s4.51cto.com/wyfs02/m00/7c/61/wkiol1bpyamhuwicaaddb11sjh8846.png "title=" Disk2.png "style=" Float:none; "alt=" Wkiol1bpyamhuwicaaddb11sjh8846.png "/>According to the policy of the administrator, the disk is in the offline status of the key string on the Internet to check some information, are using the DiskPart command to remove the policy, after the attempt to find No.By the way, familiarize yourself with the DiskPart command:1. Run: cmd2. Input: DISKPART.exe3.diskpart> San4.diskpart> San

broadcast $ VIP netmask000000000000255up# Configure the vip address at lo: 0 and set the broadcast address and subnet mask. Using 32 bits ensures that the vip address cannot communicate with other addresses./Sbin/route add-host $ VIP dev lo: 0 # add route;;Stop) # recover to the system's initial arp parameter during stop# Stop LVS-DR real server loopback device (s )./Sbin/ifconfig lo: 0 downEcho0>/proc/sys/net/ipv4/conf/lo/arp_ignoreEcho0>/proc/sys/net/ipv4/conf/lo/arp_announceEcho0>/proc/sys/n

:3600a098038303742695d4933306e7a51# # Sdcb:3600a098038303742695d4933306e7a51# # Sdcc:3600a098038303742695d4933306e7a51By looking at it, we find that the last one is the latest addition. --Edit multipathing[Email protected] scsi_host]# vi/etc/multipath.conf ......................... multipath {Wwid 3600a098038303742665d49316b783278Alias Ocrdisk1}multipath {Wwid 3600a098038303742665d49316b783279Alias Ocrdisk2 multipath {Wwid 3600a098038303742665d49316b783333Alias Data4}multipath {Wwid 3600a0980383

/details/39157585#t2 **************************************** **************************************** ******************** Note: Because the deployment is based on a real deployment environment, sensitive names are used to smear the image with a brush, and no company secrets are involved. Only the technical deployment procedure is shared. This may affect the reading performance. Sorry. Audience: It is recommended that you have read the WAS deployment basics.(1) install the ear package Add the

For cluster installation overview, see here Zookeeper Configuration 1. Add ZK path settings to/etc/profile. See the background description above. 2. Go ~ /ZK/conf directory, copy zoo_sample.cfg to zoo. cfg Vim zoo. conf Ticktime = 2000 initlimit = 10 synclimit = 5 datadir =/home/hadoop/HDFS/ZK/datadatalogdir =/home/hadoop/HDFS/ZK/logclientport = 2181server. 21 = zk1: 2888: 3888server. 22 = ZK2: 2888: 3888server. 23 = zk3: 2888: 3888 Make sure

HA high-availability cluster and HA Available ClusterPrepare two machines:Master: 192.168.254.140Slave: 192.168.254.141vim/etc/hosts master, slave: 192.168.254.140 master192.168.254.141 slave1. Master and master installation:Wget www.lishiming.net/data/attachment/forum/epel-release-6-8_64.noarch.rpmRpm-ivh epel-release-6-8_64.noarch.rpmYum install-y libnetyum install-y heartbeat2. Edit the three configuration files of HA on the master.Cd/usr/share/doc

Label:About MySQL cluster (Cluster) A MySQL cluster requires a set of computers, and the roles of each computer may be different. There are three types of nodes in the MySQL cluster: management nodes, data nodes, and SQL nodes. A computer in a cluster may be a node or a coll

Tags: mysql APIMySQL Cluster Core ConceptsNDBCLUSTER(also known as NDB ) is an in-memory storage engine offering high-availability and data-persistence features.Ndbcluster (also known as NDB) is an in-memory storage engine that provides high availability and data persistence characteristics.NDBCLUSTERthe storage engine can be configured with a range of failover and load-balancing options, but it's easiest to start With the storage engine on the

Original: http://lizhenliang.blog.51cto.com/7876557/1290451Linux Latest Version 7.3.2 file size MD5 Mysqlcluster-7.3.2-linux-x32.tar.gz 431.0MB 03093541b6416fc93935750d614d875b Mysqlcluster-7.3.2-linux-x64.tar.gz 441.8MB 330c71a87fbf8f0468ec9c5e0ad6e794 Official: http://dev.mysql.com/downloads/cluster/Window Latest Version 7.3.2 file size M

IntroductionIn any case, it is not enough to deliver a high-quality application with a rich set of features. In more and more cases, it must meet high availability standards. Is it because the cluster technology seems too advanced, hard to understand and use, and you have not made the application a new level? With Microsoft's cluster service in Windows NT? 4 introduced and officially provided in the Windows

3.6. Cluster Management Command 3.6.1. Startup and shutdown of RAC Oracle RAC is powered on by default and can be used with the following commands if maintenance is required: Shut down:crsctl Stop cluster Stopping this node Cluster servicecrsctl Stop Cluster–all all node servicesOpen:crsctl

Brief Introduction In any case, it is not enough to deliver a high-quality application that has a rich set of features, and it must meet high availability standards more and more. Do you not raise your application to another level because clustering technology looks too sophisticated, difficult to understand, and uses. As Microsoft's Cluster service is introduced in Windows NT™4 and is officially available in the Windows Server 2003 family, developer