nfs storage array

VMware connects to shared storage in three different ways, San,ip sans (that is, iSCSI) and Nas (NFS). This article is not about the difference between the 3 and the SAN and NAS, please go to Google. Second, this article does not look at FC Sans, if your environment already has a SAN that supports MPIO and has enough storage space, try to make the most of it. Be

-i686-icc-glibc23.tar.gzMV Mysql-5.1.40-linux-i686-icc-glibc23/usr/local/mysqlUseradd-s/sbin/nologin MySQLCd/usr/local/mysqlMkdir-p/data/mysql Chown-r Mysql:mysql/data/mysql #the user has been established,IDnumber is306./scripts/mysql_install_db--user=mysql--datadir=/data/mysql--basedir=/usr/local/mysqlCP SUPPORT-FILES/MY-LARGE.CNF/ETC/MY.CNFCP Support-files/mysql.server/etc/init.d/mysqldchmod 755/etc/init.d/mysqldVIM/ETC/INIT.D/MYSQLD #Modify DataDirChkconfig--add mysqldChkconfig mysqld onServi

NFS storage for ESX typically configures backup links. Automatically switch to the backup link when the primary link fails, which is called failover. Q: When will the failover be launched? A: When a storage link fails to be found. Q: How can I tell if a storage link is interrupted? A: I can't find my heartbeat. Q: W

Use five virtual machines to simulate a relatively simple production environment. Direct (poor painting, please forgive me) I. Prerequisites: 1. Have a deep understanding of how DNS works. 2. Compile and install the software package 3. apache service workflow 4. Distinction between static and dynamic websites 5. Basic Database knowledge 6. Network Sharing 7. lvm If you have the above knowledge, it will be clear at a glance (I just painted too bad) Ii. Briefly describe the functions that can be

All commands or steps:First, install the NFS service on each nodeYum install-y NFSService Rpcbind StartService NFS StartEdit the/etc/exports file and add the following line/mnt/share Hadoop1 (Rw,no_root_squash,async) hadoop2 (Rw,no_root_squash,async) HADOOP6 (Rw,no_root_squash,async) HADOOP7 (Rw,no_root_squash,async)Indicates that the following four hosts have read and write access to the shared directory/m

-gui-2.1.4-12.el6.x86_64.rpmHeartbeat-2.1.4-12.el6.x86_64.rpmHigh-availability node: node1: 192.168.0.11Node2: 192.168.0.12Shared storage node: node3: 192.168.0.13 Heartbeat configuration file:Configuration File Path:/etc/ha. d/Configuration File: 1. authkeys (V1, V2, V3): used to configure authentication methods between cluster nodes.2. ha. cf (V1, V2, V3): Master configuration file.3. haresource (V1): used to configure and manage cluster resources./

Vsphere supports storage multipath selection for NFS and iSCSI, which are explained in detail in the following two ways.first, the multipath approach to NFS is described, and NFS is a multi-path IP-based network, although he can do link aggregation through LACP, but he is only a shunt technology, not the bandwidth over

: 192.168.0.13 Heartbeat configuration file:Configuration File Path:/etc/ha. d/Configuration File: 1. authkeys (V1, V2, V3): used to configure authentication methods between cluster nodes.2. ha. cf (V1, V2, V3): Master configuration file.3. haresource (V1): used to configure and manage cluster resources./Var/lib/heartbeat/crm/cib. xml (V2)Note: The preceding three configuration files must be copied from the/usr/shared/doc/heartbeat-2.1.4/directory to the configuration file path. 1. Configure sha

Step1: Three Web Server Environment configuration: iptables-f; Setenforce 0 shut down the firewall; close SetlinuxStep2: Three Web server install softwareSTEP3: Host modification configuration file: vim/usr/local/nginx/conf/nginx.confProxy Server Modify the file: Modify the port, the port can be set by itself, do not change the default is OK, but the corresponding matchFor test needs, change the HTML files for the three Nginx machines:Mv/usr/local/nginx/html/index.html/usr/local/nginx/html/index

When you mount the Iomega Storage shared NFS file directory with the Mount command, there is a possibility that the error message "Mount:wrong FS Type,bad Option,bad block on ..." appears.Solution: First, the connectivity of the network is confirmed; If the error is still, check the/sbin directory is not/sbin/mount.nfs files, installation nfs-utils can (r

I. Overview 1. Architecture Diagram 2. Software Overview Heartbeat (Linux-HA) Working principle: heartbeat consists of two core parts: Heartbeat monitoring and resource management. heartbeat monitoring can be performed through network links and serial ports, and supports redundant links, they send messages to each other to inform the other party of their current status. If the message is not sent to the other party within the specified time, the other party is deemed invalid, in this case, you

Oracle error message: SQLgt; startupgt; ORA-10997: anotherstartupshutdownoperationofthisinstanceinprogressgt; ORA Oracle error message: SQLgt; startup gt; ORA-10997: another startup/shutdown operation of this instance inprogress gt; ORA Oracle error message: SQL> startup > ORA-10997: another startup/shutdown operation of this instance inprogress > ORA-09968: unable to lock file > Linux-x86_64 Error: 37: No locks available > Additional information: 64 Message file error message: (192.168.0.2

Oracle error message:SQL> startup> ORA-10997: another startup/shutdown operation of this instance inprogress> ORA-09968: unable to lock file> Linux-x86_64 Error: 37: No locks available> Additional information: 64 Message file error message: 192.168.0.200 is the address of netapp storage)> Jun 6 18:21:19 eccdemo sm-clusters y [3707]: Unable to operate y bogon, giving up> Jun 6 18:39:18 eccdemo rpc. statd [3705]: No canonical hostname found for 192.168

Hat recommends that all critical data be backed up and verified before making any changes to the underlying storage as an unforeseen problem might occur. 1. Create a physical volume from a free disk or partition (e.g./dev/sdc1As a partition) #pvcreate/dev/sdc1 2. Extend the volume group (/dev/sdc1Is an existing physical volume path ). #vgextendvgdata/dev/sdc1 3. Extend the logical volume (/dev/vgdata/lvdataIs the existing logical volume path), which

"Title =" connection topology .gif "alt =" wkiom1qboq3q7wtdaab0kghexzi307.gif "/> Host access storage mode 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M01/47/DA/wKioL1QBOjijAvy5AACAVI5Teu0797.gif "Title =" zookeeper storage pattern .gif "alt =" wkiol1qbojijavy5aacavi5teu0797.gif "/> Das Traditional Storage deployment methods

Think1 Boolean two-dimensional array storage Sdut Original title Link The basic way to store a diagramTime limit:1500ms Memory limit:65536kb Problem DescriptionTo solve the problem of graph theory, we should first think about the way to store the graph. But Xiao Xin but how also do not understand how to save a map to help solve the problem. Can you help him solve the problem? InputMultiple sets of inputs to

Induction:LinearContinuous storage of "arrays"Advantage: Fast access (element can be directly located)Cons: Insertion of deleted elements is slow (because you want to move other elements), space is usually limitedDiscrete storage "linked list"Advantage: No space limit, insert delete element quicklyCons: Access speed is slow (to one traversal, one for one)Application of linear structure:1. Stack2. QueuesNonl

The storage structure of the graph holds two types of information:1) Vertex data2) The relationship between vertices Sequential storage: Any two vertices may be associated, and the relationship between elements cannot be represented by the physical location of the element in the store.Multi-linked list: Similar to a tree, wasting storage units

Json_encode and serialize can make the array into a string into the database, two which is more convenient and efficient? Reply content: Json_encode and serialize can make the array into a string into the database, two which is more convenient and efficient? It is recommended to use json standard format storage, which is not only convenient for making

Public classClassarraydemo {intAge ; String name; Classarraydemo (intAge , String name) { This. Age =Age ; This. Name =name; } @Override PublicString toString () {return"[" + Name + "," + Age + "]"; } Public Static voidMain (string[] args) {classarraydemo[] t=NewClassarraydemo[3]; t[0] =NewClassarraydemo ("Zs")); t[1] =NewClassarraydemo ("LS"); t[2] =NewClassarraydemo ("ww")); for(inti = 0; i ) {System.out.println (t[i]); } }}Results:[zs,18][ls,][ww,20]Defines class