gpfs commands

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GPFS general parallel file system deployment on CentOS GPFS Cluster

The GPFS file system can be distributed across all hosts on all disks, with striped read/write and high performance. Signaling Management Mechanism with good concurrency. You can configure a failgroup with high availability. The following is the deployment process of the GPFS cluster ...... 1. Environment preparation:Yum install-y compat-libstdc ++-33 rpm-build kernel-headers kernel-devel imake gcc-c ++ lib

How to build a two-node IBM GPFS cluster on IBM AIX

TrueQueue_depth Queue Depth TrueReserve_policy No_reserve Reserve Policy True The next step is to configure Secure Shell (SSH) so that the two nodes can communicate with each other. When building a GPFS cluster, you must ensure that the nodes in the cluster have properly configured SSH so that they no longer require password authentication. This requires configuring the Rivest-shamir-adleman algorithm (RSA) key pair to complete the root user SSH con

How to install GPFS 3.5 in RHEL6

Install GPFS 3.5 in RHEL6. The file system of the gpfs cluster has three hosts as an example. 1. Install gpfs software (run on three hosts). This installation is directly installed from the db2 purescale installation media, for other installation methods, see yum install/tmp/gpfs /*. rpmrpm-qa

The process of adding a physical disk to GPFS

Process 1 of adding a physical disk to GPFS. Create a temporary file [root @ sdcmpdb1 ~]. # Vi/tmp/nsdprofile2 emcpoweri: dataAndMetadata: emcpowerj: dataAndMetadata: emcpowerk: dataAndMetadata: emcpowerl: dataAndMetadata: emcpowerm: dataAndMetadata:: 2, generate nsd disk mmcrnsd-F/tmp/nsdprofile2 [root @ sdcmpdb1 ~] # Mmcrnsd-F/tmp/messages: Processing disk emcpowerimmcrnsd: Processing disk category: Propagating the cluster configuration data to all

2018/10/03-string commands (repeated commands, operation data buffer commands), rep and movx commands-malicious code analysis practices

A repeated instruction is a set of instructions for operating the data buffer. The data buffer is usually a byte array, which can be a single word or double word. (Intel 'calls these commands string commands) The most common data buffer operation commands are movsx, CMPs, stosx, and scasx. X can be B or W, and D represents byte, word, and dual-word, respectively

Linux command Groupadd commands, groupmod commands, Groupdel commands, and GPASSWD commands

administrator-M: Specifies that the group member and-a use almost-R: Remove password-r: Restrict user login group, only members in group can join the group with NEWGRPGpasswdgroupname : If the system has a Peter account, the account itself is not a member of the GroupName group, use NEWGRP need to enter a passwordLet the user temporarily join the group, and then the file group created by Peter will be groupname. So this way you can temporarily let Peter build the textUse other groups instead of

2016/8/19 Linux Common commands: Help commands, user management commands, compression decompression commands

1. Getting Help information: ManMan ls: Get help with ls commandMan services: View the Help information for profile services, directly add the file name, no absolute path requiredHelp: 1 indicates help for the command, 5 indicates help for the configuration fileMans 1 passwd2. View the command description: Whatis3. Production See profile information: Apropos profile Name3. Get help with Shell built-in commands:Help umask: View the umask command's helpful information4. Options for viewing

Linux CENTOS7 Daily Operations-use W to view system loads, vmstat commands, top commands, SAR commands, nload commands

Tags: CPU BSP picture com inux font exit ptime UIOne, use W to view the system loadW, uptime View system load, 0.00 means 1 minutes load 0Cat/proc/cpuinfo View CPU CoresSecond, Vmstat command, view process, CPU, memory, swap, IO, systemR, SWPD, Si, so, Bi, bo, US, WADynamic display 5 times per secondRun, block process waits, swap partition memory is not enough to put,Si/so how many kilobytes of data from swap into/out memory, Bi/bo read/write memory from disk, US user consumes CPU percentage, do

Differences between commands, pseudo operations, pseudo commands, and macro commands

Statements in assembly language programs can be composed of commands, pseudo commands, and macro commands. Command: Each Command corresponds to a CPU operation. A pseudo-command is also called a pseudo-operation. It is an operation processed by the assembler during the compilation of the source program, they can complete functions such as processor selection, def

Explanation of transclude options and ng-transclude commands in angular. js commands, and angularjsng commands

Explanation of transclude options and ng-transclude commands in angular. js commands, and angularjsng commands Preface Before starting this article, we must first describe that the angular version we use is 1.5.0, because different versions have different performance results. First, we should understand that one option in the angular command is transclude, which

Help commands for common linux commands and common linux commands

Help commands for common linux commands and common linux commands 1.TypeThe difference between built-in and external commands 2.BashEnter bash to use help in bash. 3.Help lsLs is an external command, help can only view the built-in command methods, cd is a built-in command Ls -- helpAvailable 4.Man lsMan does not

Linux learning the next day (Rights Management commands, file search commands, help commands)

Add user Two-step walk: 1.useradd username 2.passwd PSRights Management CommandsCommand name:chmod->>change The permissions mode of a fileCommand path:/bin/chmodExecute Permissions: All UsersSyntax: chmod [{u g o} {+-=}{rwx}][file or directory][mode = 421] [File or directory]+: Increase Permissions-: Reduce permissions=: Give permission directlythe focus of mastery is to use the digital way of authority control, r=4 w=2 x=1.rwxr-xr--= 754Rw-r-x--x = 651Example: chmod g+w filechmod 777 FileRWX Pe

Linux Centos7 Shell Special symbols, cut commands, Sort_wc_uniq commands, tee_tr_split commands, Shell special symbols

I. Shell special symbol, Cut command* Any character[Email protected] ~]# Ls/tmp/*.txt/tmp/1.txt/tmp/2.txt/tmp/q.txt[Email protected] ~]#? Any one character[Email protected] ~]# Mkdir/tmp/test1[Email protected] ~]# Touch/tmp/test1[Email protected] ~]# ls-d/tmp/test?/tmp/test1[Email protected] ~]##注释字符[Email protected] ~]# sdx=233 #assa[Email protected] ~]# echo $SDX233[Email protected] ~]#\ de-Semantic characters[Email protected] ~]# ls-d test\*LS: Unable to access test*: No file or directory[Ema

Learning Notes (iv)--common commands such as directory commands, RM, view text commands, file properties

, such as log files,[[email protected] ~}# tail-5 file.log//Specify a few lines after viewing the text[[email protected] ~}# tail-n +5 file.log//View the first five lines of the text to the last line(4) More: Split screen view text, you can view text in full screen[Email protected] ~]# more File.log After entering view mode, q exits view, b page UP, F page down. These commands also apply to less, and to the Man command. (more F in the page will skip a

Detailed explanation of ln commands in linux commands (creating soft links and hard links) and ln commands

Detailed explanation of ln commands in linux commands (creating soft links and hard links) and ln commands Ln is another important command in linux. Its function is to create a synchronous link for a file in another location, which can be soft link or hard link. Soft links are similar to shortcuts for windows. The following are usage methods and examples. Ln is a

Linux notes (6) Help commands and user management commands for common Linux commands

Linux notes (6) Help commands and user management commands for common Linux commands(1) man The man command is used to obtain help information of a command or configuration file. The original English meaning is manual, and the path is/usr/bin/man. Its Syntax format is: Man [command or configuration file] Note: No absolute path is required to view the help informa

Linux learning notes (5) file search commands for common Linux commands and Common commands for learning notes

Linux learning notes (5) file search commands for common Linux commands and Common commands for learning notes(1) find The find command is used for file search. Its path is/bin/find. Its Syntax format is: Find [search range] [matching condition] 1)-name: search by file name, such as searching for the init file under/etc. [root@localhost ~]# find /etc/ -name init/

Learn Basic Linux commands: df commands and du commands

Learn about basic Linux commands: df commands and du commands-general Linux technology-Linux technology and application information. For more information, see the following. Df command This interface is used to view the status information of the Linux File System and display the capacity, used, unused, and mount points of each partition. For example Df-k dis

Head and tail commands for linux commands, and tail commands

Head and tail commands for linux commands, and tail commands Head Syntax Example Tail Syntax Example Example of combined head and tail usage Head syntax head [-n -k ]... [FILE]...Example The first 10 rows are displayed by default. head /etc/passwd Displays the first k rows. Head-k/etc/passwdhead-

Linux Learning Notes (6) Help commands for Linux common commands and user management commands

Help for Umask:[Email protected] ~]# help Umaskumask:umask [-P] [-S] [mode] file mode mask.Note:help can also be used to view assistance for Shell programming if, case, while, and so on .(6) UseraddThe useradd command is used to add a new user , where the path is/usr/sbin/useradd, with the syntax format:useradd [user Name](7) passwdThe passwd command is used to set the user password , where the path is/USR/BIN/PASSWD, in the syntax format:passwd [user Name]Note: Passwords must conform to th

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