rdma

Discover rdma, include the articles, news, trends, analysis and practical advice about rdma on alibabacloud.com

Analysis of five IO models and five I/O models

copy the data to the app buffer. Now, the process can access and modify the data. There are several issues to be addressed. (1). Why cannot I directly load data to the app buffer?? Actually, some programs or hardware can achieve the kernel bypass function to improve efficiency and performance, avoiding kernel involvement and directly transmitting data between the storage device and app buffer, for example, RDMA technology needs to implement such a ke

Installing and configuring GlusterFS on CentOS 6.4

Installing and configuring GlusterFS on CentOS 6.4 I,GlusterFS Overview GlusterFS is the core of the Scale-Out storage solution Gluster. It is an open-source Distributed File System with powerful horizontal scalability, through expansion, it can support several PB of storage capacity and process thousands of clients. GlusterFS aggregates physically distributed storage resources using TCP/IP or InfiniBand RDMA networks and uses a single global namespac

Design new xlator extension glusterfs

1. glusterfs Overview Glusterfs is an open-source Distributed File System with powerful scale-out capability. It supports Pb storage capacity and processing of thousands of clients. Glusterfs aggregates physically distributed storage resources using TCP/IP or InfiniBand rdma networks and uses a single global namespace to manage data. Based on the stackable user space design, glusterfs provides excellent performance for a variety of data loads. Gluster

Linux Basics-Package management tools Yum Detailed

:///media/cdromenabled=1gpgcheck=03. View Repolist[[emailprotected]yum.repos.d]#yumrepolistloadedplugins: fastestmirrordeterminingfastestmirrorsbase |4.0kB 00:00...base/primary_db |4.5 MB00:00...repoid reponame statusbase centos6.6 6,518repolist:6,5184. Install a package group[email protected] yum.repos.d]# yum Groupinstall "Development tools"Create a Yum repository1. Install the Warehouse Management Pack[Email protected] ~]# yum-y install Createrepo2, ready to customize the warehouse use

Shell Condition Test Summary

/24/wKiom1gIumHgEW9nAAA_xDwA2ao164.png "title=" 1.png " alt= "Wkiom1giumhgew9naaa_xdwa2ao164.png"/>[[Email protected] tools]# [12-eq]echo 1 | | Echo 00[[Email protected] tools]# [12-lt]echo 1 | | Echo 01[[Email protected] tools]# [12-gt]echo 1 | | Echo 00[[Email protected] tools]# [[>]]echo 1 | | Echo 00[[Email protected] tools]# [[1logical operatorsThe logical operator used in [] in [] is explained-A and- O | | or! ! Not take counter[[Email protected] tools]# [-F "$f 1"-a-f "$f 2

Linux under Basic commands (i)

than 1M in/etc directory[Email protected] ~]# find/etc/-size +1m/etc/selinux/targeted/policy/policy.24/etc/selinux/targeted/modules/active/policy.kern[Email protected] ~]#[Email protected] ~]# du-sh/etc/selinux/targeted/policy/policy.248.1M/etc/selinux/targeted/policy/policy.24[Email protected] ~]#[Email protected] ~]# Du-sh/etc/selinux/targeted/modules/active/policy.kern8.1M/etc/selinux/targeted/modules/active/policy.kern[Email protected] ~]#16. View the top 10 (1b=512 bytes) of a file larger

24. Linux startup process and grub detailed

S99firstbootK15htcachecleanK75quota_nld S08ip6tablesS22messagebus S28autofsS99localK15httpd K84wpa_supplicantS08iptables s23networkmanagers50bluetoothk30spice-vdagentdk87restorecond S10networkS24nfslock S50kdumpK50dnsmasq K89netconsoles11auditds24rpcgssd S55sshdK60nfs K89rdiscS11portreserve S25blk-availabilityS80postfixK61nfs-rdma k92pppoe-servers12rsyslogs25cups s82abrt-ccppK*: To stop the service, k##*, priority, the smaller the number, the higher

VMware vSphere ESXi6.0 Common commands

hardware properties and commands for configuring hardware.iSCSI VMware iSCSI Commands.Network Operations that pertain to the maintenance of networking on an ESX host. This includes a wide variety ofCommands to manipulate virtual networking components (vswitch, PortGroup, etc) as well as local host IP, DNS andGeneral host networking settings.RDMA Operations that pertain to remote Direct memory access (RDMA) protocol stacks on an ESX host.Sched VMKerne

Ubuntu:glusterfs+hbase Installation Tutorials

HBase is typically installed on Hadoop HDFs, but it can also be installed on other distributed file systems that implement the Hadoop file interface, such as KFS. Glusterfs is a clustered file system that can be extended to several peta-bytes. It is a collection of various storage in InfiniBand RDMA or interconnect into a large parallel network file system. Storage can be x86_64 servers and sata-ii and InfiniBand HBAs by hardware such as any commodity

Glusterfs Distributed File system installation and configuration tutorial

Due to the lack of some key features, reliability has not been tested for a long time, it is not suitable for the need to provide 24-hour uninterrupted service product environment. Currently suitable for the use of large data offline applications, let's look at the Glusterfs Distributed File system installation configuration Glusterfs is an open source Distributed file system where users can use multiple servers and interconnect via Ethernet or InfiniBand R

Glusterfs Distributed File system installation and configuration tutorial

Glusterfs is mainly used in cluster system and has good scalability. The structure of the software is good, easy to expand and configure, through the flexible collocation of each module to get targeted solutions. Resolves the following issues: networked storage, federated storage (fusing storage space on multiple nodes), redundant backups, load balancing of large files (chunking). Due to the lack of some key features, reliability has not been tested for a long time, it is not suitable for the n

Some popular Distributed file systems (Hadoop, Lustre, MogileFS, FreeNAS, Fastdfs, Googlefs)

interconnection, including InfiniBand, Ethernet, and so on. If a remote direct memory access (RDMA) transfer is available, lustre will use it to increase throughput and reduce CPU usage. Run under Linux, the development of language C + +, feel very found not much information. 4, MogileFS (www.danga.com) MogileFS is an open source Distributed file system that is used to build distributed file clusters, developed by the Danga team and also a memcached

Qemu-lite Configure and Install

qemu-lite Configure and Install 1. Download qemu-lite # git clone https://github.com/clearcontainers/qemu.git 2. Configure ./configure--disable-libssh2--disable-tcmalloc--disable-glusterfs--disable-seccomp--disable-{bzip2,snappy,lzo} --disable-usb-redir--disable-libusb--disable-libnfs--disable-tcg-interpreter--DISABLE-DEBUG-TCG-- DISABLE-LIBISCSI--DISABLE-RBD--disable-spice--disable-attr--disable-cap-ng--disable-linux-aio--disable-uuid-- Disable-brlapi--DISABLE-VNC-{JPEG,PNG,SASL}--DISABLE-

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