infiniband hba

These requirements and recommendations are considered for shared storage clusters: 1. For a non-shared disk with at least one HbA card, such as a system (BOOT) disk, it is recommended to use two HbA cards to connect to an internal disk and mirror the system disk to eliminate single node faults. 2. For a shared disk, there must be at least one HbA card: -To elimi

After the storage arrives, the process is usually shelving, wiring, and power-on. After confirming that the configuration is correct, create an array and lun as required. After several hours, the system will be able to handle the problem. Then, the storage is connected to the San according to the actual needs. Select a zone on the switch so that the host's HbA can see the corresponding controller. Finally, the storage partition to be discussed is left

calculated in milliseconds (1‰ seconds. the average rotation delay is half the time the disk is rotated in the entire circle. same as seek time, the size of the rotation delay moving in the random fan interval in read/write operations is more important than the speed indicator of the adjacent slice. the average rotation delay of 5400 to 5.5 disks per second is about 15000 milliseconds. For to 2 milliseconds. Data Transfer Rate The data transmission rate (also called the data transfer rate)

PMC launches industry's first 12gb/s SAS expansion card for high-density data center serversThe Adaptec PCIe expansion card provides 24 ports for next-generation servers,Connect more high-performance HDDs and SSDs A PMC that leads Big data connectivity, delivery, and storage, delivering innovative semiconductors and software solutions ? The Company (NASDAQ:PMCS) recently launched the industry's first 12gb/s SAS expansion card to enable high-density servers. IDC [i] believes that high-density ser

After the store arrives, usually the flow is on the shelves, on the line, and then on the electricity. After confirming that the configuration is correct, start creating the array and Lun as required, and after a few hours the system is basically done. The storage is then connected to the SAN based on actual needs. There is a need to zone on the switch so that the host's HBAs can see the appropriate controller. Finally, with the remaining storage Partition to be discussed, map the predefined LUN

First, UnixWare 7.1.1 installation (CDROM installation) 1. Boot boot UnixWare CD-1 from CDROM installation (CDROM must be Slot1 or Slot2 master) 2, installation language, select proceed with installation in 中文版, enter continue 3, Choose a zone for this system and press, select Americas (Latin-1), F10 continue 4, Choose a Locale for this system and press, select C (中文版), F10 continue 5, keyboard, choose United States,f10 Continue 6, input License number, License Code, License DATA,F10 conti

total of 28 hard drives. Piece of hard disk 300G,The total is 300g*28=8400g about 8.2TThis overall is a 8 t storage. 8000G is enough for the general data.This storage is counted as a small to medium storage. Small storage puts fewer hard drives. In order to cooperate with Oralce's study, it is necessary for us to describe the approximate knowledge of storage. After the storage, you can see the controller, power,Storage is generally dual-control dual-power, the storage itself is redundant. The c

seen on server B. After troubleshooting, the new server's HbA card is somewhat incompatible with the SAN Switch, you need to plug it in. The HbA card of the new server is 2/4/8 GB adaptive, and the optical fiber card of the SAN Switch is 2/4 GB adaptive. Therefore, inconsistency may occur. But it doesn't matter. Just re-plug the HBA card or change the speed of t

connection pool to maintain the web site. Therefore, as more connections are blocked, the Web site creates more connections, and these connections are blocked, this cycle will continue. The log write operation will be completed in about 45 seconds, but hundreds of connections have accumulated so far, leading to blocking problems, it takes several minutes for SQL Server and applications to be restored. When combined with Application Problems, latency I/O conditions will have a very negative impa

When a PC server host connects to FC storage, it is generally necessary to install an HBA card, and an important parameter of the interface is the WWN number. The way to view the WWN number under Redhat or SuSE is as follows. One, SuSE Linux 9 View the/proc/scsi/qla2xxx/* and filter the WWN information for the FC HBA card with the Adapter-port keyword: # cat/proc/scsi/qla2xxx/* | grep adapter-port scsi-qla

1. Environmental Hardware InformationMachine as Target end (PC)HBA Card: QLogicWwn1:21:00:00:1b:32:81:6e:f1System: Ubuntu 15.04 ServerMachine as initiator end (PC server)System: XenServerHba:qlogicwwn1:21:00:00:1b:32:98:7d:1bFC Switch: Brocade 200E2. Switch configuration1) View the WWWN number corresponding to the switch portSwd77:admin> SwitchshowSwitchname:swd77switchtype:34.0Switchstate:onlineSwitchmode:nativeSwitchrole:principalSwitchdomain:1Switc

Some knowledge about storageAccording to the different transmission protocols, the network card can be divided into three kinds, one is the Ethernet card, the second is the FC network card, the third is the iSCSI network card. Ethernet Card: The Scientific name Ethernet Adapter, the transmission protocol for the IP protocol, generally via fiber optic cable or twisted pair with Ethernet switch connection. The interface types are divided into optical and electrical ports. Optical ports ar

approach to deep learning. The industry's existing approach requires a dedicated cluster, while deep learning based on Hadoop not only achieves the effectiveness of a dedicated cluster, but also has several additional advantages. Enhanced Hadoop Cluster To support deep learning, we added GPU nodes to the Hadoop cluster. Each node has 4 nvidia Tesla K80 operations cards, each with 2 GK210 GPU configurations. The processing power of these nodes is 10 times times the traditional CPU used by our Ha

processors, The main frequency of up to 3.73GHz, the system front-end bus frequencies up to 1333MHz, system memory using serial transmission of DDR2 FBD RAM, the largest support 32GB FBD memory, can bring "massive processing." Application experience, it is very good to meet the user in these aspects of the application. In order to meet the high network communication requirements of advanced institutes, dawning in the system has adopted the computing Communication network, the storage Exchange

-virtualization is poor, and the advantage is that vSphere functions are available. Infiniband-based semi-RDMA Virtualization (vRDMA) The server uses the Infiniband physical adapter, and the VMM/Hypervisor provides a virtual RDMA solution for virtual machines. The Virtual Machine RDMA driver is implemented based on Infiniband Verbs. VMM/Hypervisor maps the memory

What is the largest and fastest LAN switch? This is actually a question with many complex answers, and the answer depends on how you define "big" and "fast ". 3Com, Extreme, Force10, Foundry, HP ProCurve, Cisco, and other Ethernet switch vendors fight for the highest performance, maximum density, and minimum latency. However, the products and technologies provided by these manufacturers have a history of three years on average. At the same time, a group of hungry emerging vendors, such as Woven