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Sharing the Chinese version of essential Linux Device Drivers (HD)

touch screen 37918.7.10 video 37918.7.11 CPLD/FPGA 37918.7.12 connection 37918.7.13 special electronic devices 38018.7.14 more drivers 38018.8 file systems 38018.8.1 nfs-mounted root file system 38118.8.2 compact middleware 38218.9 testing infrastructure 38318.10 debugging 38318.10.1 circuit board rework 38418.10.2 debugers 385Chapter 2 user space drivers 19th19.1 process scheduling and response time: 38719.1.1 original scheduler 38719.1.2 O (1) scheduler 38719.1.3 CFS 38819.1.4 response time 3

About the impact of disk CPUs and memory on site performance in high-performance sites

between nodes can directly affect the overall processing power of the system, because there will be a large number of data exchange between nodes, are dependent on network transmission to complete.In such a scenario, a cheaper solution is to use the Gigabit switch to replace the now-commonly used GBE switch to improve network processing power and reduce network latency. However, the main improvement of this solution is throughput, and the delay may not necessarily meet some of the most demandin

Resolve the war between FCoE and iSCSI network protocols (1)

How should we choose FCoE or iSCSI? Do you still think that fiber channel (FC) is prepared for the data center, while iSCSI is prepared for SMB? We can tell you that this idea is outdated. With the increasing LAN speed, iSCSI has been applied in many data centers. Enterprises may adopt FCoE or iSCSI for the current product portfolio, future application requirements, organizational skills, budget, and other reasons. Next we will discuss how to choose FCoE or iSCSI. First of all, I should declare

Growing Pains for deep learning

. Situation we don ' t need to handle all of the exceptions of the IEEE [754] standard. " As well as finding ways to use more effective processors, researchers is trying to use distributed processing to build More extensive deep-learning networks The can cope with much larger datasets. The latency of transfers over a network badly affects the speed of training. However, rearranging the training algorithms together with a shift from Ethernet networking to Inf

Collect comprehensive system information in Linux (based on sosreport and supportconfig)

Multipathing... done Networking... done Web... done InfiniBand... done DNS... done DHCP... done SLP... please Wait... services Done SSH... done iSCSI... done Samba... done NFS... done AUTOFS... done SAR Files... skipped AppArmor... done Xen... skipped X... done Printing... done SMART Disks... done Hardware... please Wait... done File System List... please Wait... done Supportability Analysis... please Wait... doneCreating Tar Ball= [DONE] ===========

Linux/proc/net/arp File

/* PROnet token ring */#define ARPHRD_CHAOS 5 /* Chaosnet */#define ARPHRD_IEEE802 6 /* IEEE 802.2 Ethernet/TR/TB */#define ARPHRD_ARCNET 7 /* ARCnet */#define ARPHRD_APPLETLK 8 /* APPLEtalk */#define ARPHRD_DLCI 15 /* Frame Relay DLCI */#define ARPHRD_ATM 19 /* ATM */#define

Operations in the latest version of Turbo linux

We need to learn a lot when using the Turbo linux system. Next, let's take a look at the solutions to the problems in detail. I hope you will gain some benefits. Turbo linux 11.3 (GreatTurbo Enterprise Server 11.3) was officially released. This is the latest version of the Turbolinux server operating system. Its features are described as follows: x86, Intel EM64T, AMD64, and Itanium architectures are supported and optimized for Intel Nehalem 8-core processors. Supports common IA server platforms

Use the nmcli command in RedHat/CentOS 7.x to manage the network

Use the nmcli command in RedHat/CentOS 7.x to manage the network The default network service in Red Hat Enterprise Linux 7 and CentOS 7 is provided by NetworkManager, which dynamically controls and configures the network daemon. It is used to keep the current network device and connection in the working state, it also supports configuration files of the traditional ifcfg type. NetworkManager can be used for the following types of connections: Ethernet, VLANS, Bridges, Bonds, Teams, Wi-Fi, mobile

Main storage field: Linux storage ecosystem (1)

-parallel SCSI and Fiber Channel and new storage interfaces, such as serially connected SCSI (Serial Attached SCSI, SAS), Serial ATA (Serial ATA, SATA) and external SATA (external SATA, eSATA ). You will also find advanced storage technologies such as USB3 (Scalable Host Controller Interface, Extensible Host Controller Interface [xHCI]) and Firewire (Institute of Electrical and Electronics Engineers 1394 ). Storage area network SAN provides block-level storage consolidation to share it with some

Dell-R730 [Pxe + dhcp + ftp + tftp + Kickstart + CentOs6.6], dell-r730kickstart

configuration Selinux -- disabled # Installation logging level Logging -- level = info Reboot # System timezone Timezone Asia/Shanghai # Network information Network -- bootproto = dhcp -- device = em1 -- onboot = on # System bootloader configuration Bootloader -- location = mbr -- append = "biosdevname = 0" # Clear the Master Boot Record Zerombr # Partition clearing information Clearpart -- all -- initlabel # Disk partitioning information Part/boot -- fstype = "ext4" -- size = 200 Part swap --

Support for Oracle Automatic Storage Management asmlib changes

OLTP performance tests over a red hat compatible Kernel200 percent speedup of InfiniBand messaging; 137 percent faster solid state disk access. modern: Pro VIDES optimizations for large NUMA servers; improved power management and energy efficiency; fine grained CPU and memory resource control. reliable: supports the data integrity extensions and T10 protection information model, to stop copying upt data from being written to storage; hardware fault m

[O & M tips _ 07] GNU/Linux system resource monitoring artifact-collectl [key recommendations]

PairSystem resource monitoring is a required skill for O M personnel From the OS perspective, including CPU/IO/Network/fs From the DB perspective, including active sessions/on CPU/disks/top segments/top SQL, etc. The utilization of database resources is also reflected at the OS level. Our goal is to make full and balanced use of OS computing resources. Among the many monitoring tools, the performance data types supported by collectl should be the most comprehensive Including IO/CPU/Network/nfs

MySQL disk replication technology-drbd: Comparison of advantages and disadvantages, precautions and best practices

DrbdIt is the block-level synchronous replication technology implemented by the kernel module. The synchronization level here can be adjusted. Because drbd uses the network card for block replication. If InfiniBand is used for transmission, high concurrency can be effectively processed. This is a type of replication and storage. It is nothing more like a hot standby machine, rather than a storage ha, it is better to ensure data security. The industria

4) PCI-X Bus

The PCI-X interface is an updated version of the connected PCI Bus (peripheral components Interconnect), still using traditional bus technology, but there are more wiring pins, at the same time, all connected devices share all available bandwidths, as described above. 1 What is the PCI-X and the original PCI interface is different: a change to the past 32-bit, the PCI-X uses 64-Bit Width to transmit data, so the bandwidth automatically doubled, the length of the expansion slot is inevitably incr

Cloud computing era: the big data bubble is expanding infinitely)

massive information in the big data era, including structured, semi-structured, dataset, and unstructured data analysis. At the same time, exalytics also supports hybrid data sources, including Oracle databases, teradata, Microsoft SQL Server, and standalone corner databases. In addition, exalytics has powerful hardware and software configurations: 1 TB memory and 48 core processors; Support for obiee 11 GB; 200 GB/s wide TimesTen parallel memory database; support for memory parallel processi

Oracle 10g RAC public IP and private IP

InformationPrivate networks can only be used for the preceding purposes and cannot be used for other purposes.Network Protocol:Clusterware: TCP/IPRAC: UDPMulti-nic binding: Linux (bonding), Solaris (link aggregation), and Aix (etherchannel)Oracle recommends that the private network be configured with at least 1 GB of Network1. GB-level Ethernet Card2. InfiniBand (Oracle exadata solution), the Protocol Stack is less than TCP/IP, consumes less CPU reso

Software-defined storage logic-Efficientandagilestoragemanagementinsoftwaredefinedenvironments

resource pool, then, place the newly created storage volume in one of the SSDS (with minimal performance impact ).Storage fabric Management After the storage unit is created, the connection between the workload server and the storage volume is created. Then, the following storage network technologies, such as fc, iscsi, infiniband, and fcoe, provide unified interfaces. Then this framework provides the best zone management and fabric analysis to deter

ZOVN-lossless Virtual Network

ZOVN-lossless Virtual Network Note:ZVALEThis is also an article published by the IBM Research Institute, which may be an extension of VALE. Currently, the data center network is dominated by two trends. One is for Lossless layer-2 fabrics, which is based on enhanced Ethernet and infiniband, by improving performance and performance. On the other hand, it is based onSoftware Defined NetworkThis makes it possible for overlapping virtual networks (SDN is

Lossless assurance of virtual networks-zOVN, virtual lossless-zovn

Lossless assurance of virtual networks-zOVN, virtual lossless-zovn Note:ZVALEThis is also an article published by the IBM Research Institute, which may be an extension of VALE. Currently, the data center network is dominated by two trends. One is for Lossless layer-2 fabrics, which is based on enhanced Ethernet and infiniband, by improving performance and performance. On the other hand, it is based onSoftware Defined NetworkThis makes it possible for

Improvement and features of NFSv4.1

. now, if you have 10 Gbit/s Ethernet, or DDR (dual data rate) IB (InfiniBand), or a faster network in the future, so the existing NFS protocol can make these high-speed networks run like on 1 GB Ethernet. Around 1991, I was called by a site for technical support. they have two Cray supercomputers connected through HiPPI (high-performance parallel interface, 800 MB), and they are also composed of an FDDI (Optical Fiber Distributed Data Interface, 100

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