qlogic qle2462

Major kernel security updates in Ubuntu 14.04, fixing 26 Security Vulnerabilities Canonical released a major kernel Security Update for the Ubuntu 14.04 LTS (Trusty Tahr) Operating System Series today, solving more than 20 vulnerabilities and other problems. In today's Ubuntu 14.04 LTS System and derivative Kernel updates, a total of 26 security defects were fixed, including the F2F (Flash-Friendly File System) of the Linux kernel) out-of-bounds Write Vulnerability in the file system, defects i

is not supported, and I/O is interrupted until the 2.6 kernel supports dynamic scanning, however, the kernel does not provide commands to dynamically reconfigure SCSI devices, such as HPUX ioscan. Therefore, the only method is: ◆ restart OS ◆ re-load the HBA driver and use the modprobe ◆ 2.4 kernel configuration/proc tool, for example: # echo "scsi add-single-device 0 1 2 3">/proc/scsi ◆ 2.6 kernel run/sys scan, for example: # cd/sys/class/scsi_host/host1/# ls-al scan # echo '---'> scan ◆ execu

If the company decides to deploy an optical fiber channel storage area network (SAN), then it should determine the supplier of the switch, because it is unwise to mix different brands. Fiber Channel switches need to communicate and cooperate with each other to manage the entire network. To ensure that the switches communicate well with each other, the best way is to select one of the three top switch suppliers and then choose its products: brocade, Cisco, and

system be better? I don't think so. From a good perspective, this product is based on Server 2008. I think Server 2008 is undoubtedly the best Windows Server operating system. However, a stable server is only the foundation of a high-performance computing system. Although the HPC Server 2008 system has achieved all the metrics, high-speed network support, group management tools, and high troubleshooting functions. But it also has inherent Windows vulnerabilities. Secondly, HPC Server 2008 requi

Emulex in the Linux field-Linux Enterprise Application-Linux server application information. The following is a detailed description. With the increasing influence of Linux in the server field, more and more software and HBA vendors are showing great interest in this little penguin. In the fc hba market, Emulex, which leads with QLogic in turn, has already become a member of the Linux team. Features of Emulex FC HBA Supported processor architecture:

the kernel was initialized.SCSIThe directory includes SCSI middle-tier pseudo-files and a variety of SCSI underlying drive subdirectories, one for each SCSI host in the system, and a file corresponding to the subdirectory, showing the status of some SCSI IO subsystems. These files are in ASCII format and can be read by cat.You can also reset the subsystem by writing some of these files, switching some functions.SCSIThis file lists all of the SCSI devices that the kernel controls, similar to wha

high-performance computing. The target market for this server is a network company. The factory is located in China and is currently only available to companies with large orders. Previously, consumers generally purchased thousands of rack servers. IBM does not offer a price or a specific structure. You can select from 22 structures, including networks, switches, and storage. The product comes from IBM partners such as Avocent, QLogic, and Blade Net

approaches 0 to become CDP. To distinguish this new concept from CDP a few years ago, the industry officially called the previous CDP concept near CDP (quasi CDP ), the new concept is true CDP ). Iii. CDP international standards I have to mention an organization that has been focusing on CDP. It is snia. The Global Network Storage Industry Association (snia) is an industry association that was established earlier and neutral to storage manufacturers, the purpose is to lead the development and p

improvements and optimizations make the relevant hardware more outstanding in the Red Flag Advanced Server 4.1 for IBM pSeries system, including: IBM ServeRAID Ibm ppc Linux RAID Adapter Network Bonding Serial ATA Adaptec RAID LSI Logic RAID LSI Logic MPT Fusion Compaq SA53xx Controllers QLogic Fibre Channel Emulex Fiber Channel

Device FDC # ATA and atapi Devices Device ATA Device atadisk # ata disk drives # Device ataraid # ata raid drives Device atapicd # atapi CDROM drives Device atapifd # atapi floppy drives # Device atapist # atapi tape drives Options ata_static_id # static device numbering # SCSI controllers # Device AHB # EISA aha1742 family # Device AHC # aha2940 and onboard aic7xxx Devices # Device ahd # aha39320/29320 and onboard aic79xx Devices # Device amd # amd 53c974 (tekram DC-390 (t )) # Device ISP #

virtualpower management: Hostname# Viewing the Host Name of a computer hostname.com.cn Lspci-TV# List all PCI devices -[0000:00]-+-00.0 Intel Corporation 5500 I/O Hub to ESI Port +-01.0-[02]--+-00.0 Broadcom Corporation NetXtreme II BCM57711E 10-G igabit PCIe | \-00.1 Broadcom Corporation NetXtreme II BCM57711E 10-G igabit PCIe +-02.0-[0d]-- +-03.0-[03-05]-- +-07.0-[06-08]-- +-0

1. Complete the Linux cluster.2. Install multi-path software.3. Assign the storage to the host.4. Find the disk on the host (all hosts in the cluster do)Qlogic HBA:./ql-dynamic-tgt-lun-disc.sh-r-SOr:echo "---" >/sys/class/scsi_host/hostx/scan5. Multi-path software to see if the disk is found (all hosts in the cluster do)Multipath-llWhat we found here will be the UUID number.6. Change/etc/multipath.conf (all hosts in the cluster do)Added: (example)mult

Okay-this is going to be a short post as I am off to party for the rest of the day.Hyper-V has RTM 'd!Press release here: http://www.microsoft.com/presspass/features/2008/jun08/06-26hyperv.mspxJohn Howard has install directions here: http://blogs.technet.com/jhoward/archive/2008/06/26/hyper-v-rtm-announcement-available-today-from-the-microsoft-download-centre.aspxAnd my favorite-Qlogic reports getting up to 180,000 iops at 88-97% native performance on

between the iSCSI server and the storage device.Iscsi adapter cards are roughly divided into two categories: toe HbA cards and iSCSI HbA cards. The former is cheaper, while the latter is more efficient, but the latter is very expensive. Representative vendors include adaptec, alacritech, Intel, LSI, and Qlogic. Intel focuses on the development of toe HbA cards. 1.3. iSCSI target Iscsi target is an iSCSI disk array that can be used to store data or a

server architecture. The IBM bladecenter Blade Server integrates all types of servers and peripheral application devices by means of outward expansion, which improves the system integration and facilitates the management of servers and peripheral devices. Is a typical system architecture diagram, including servers, network switches, firewalls, and optical fiber switches. for traditional servers, if you want to complete these functions, you must follow the above methods, as you can imagine,

# Install a cdev device in/dev# The following two items are required when making a symmetric multiprocessor (SMP) kernel#options SMP #对称多处理器内核#options apic_io #对称 (APIC) I/ODevice IsaDevice EISADevice PCI# Floppy DriveDevice fdc0 at Isa? Port IO_FD1 IRQ 6 DRQ 2Device fd0 at Fdc0 Drive 0Device FD1 at FDC0 Drive 1## If you use the Toshiba libretto and his Y-E Y-E Data PCMCIA Floppy Drive# do not use the above fdc0, but should use#device fdc0# ATA and ATAPI devicesDevice ata0 at Isa? Port IO_WD1 I

the original server to complete the addressing forwarding. The entire flow of data is like a hairpin around the top switch, so this behavior is also known as "card-issuing forwarding." In order to achieve "card-issuing forwarding", Vepa needs to modify the spanning tree protocol, or force the behavior of reflection data frames on the upper-end port (reflective Relay). At the same time, Vepa uses q-in-q technology to add a layer to the basic 802.1q tag to represent the definitions of different v

As the server's IO starts to be slightly inadequate, a QLogic FC card needs to be installed to increase server and storage performance. This article describes the example Where Openfiler 2.99 enables FC and creates target. (Note: Please replace the characters in 1.unmap a volume, this step can be done through the Openfiler Web interface. 2. Enable FC Target in the service of the Web interface 3. Run the following command to enable Vdisk_fileio an

integration and synergy. Setting standards will enable administrators to trust FCoE and CEE on virtualization and blade servers on the periphery of the data center, and to be able to trust their capabilities in the datacenter core environment. Although the standard has not yet been formally established, but has attracted enough manufacturers and enterprises to bring commercial products to the adopters, is expected 2010 FCoE and CEE will become mainstream products. In addition, most of the stora

amount to time or a error was returned for a SCSI request, the M ID level manages the error or retries the request. The mid level also manages higher-level recovery such as requesting an HBA (LLD) or SCSI device reset. The SCSI error and timeout handler is implemented in./linux/drivers/scsi/scsi_error.c. Back to Top SCSI Lower Level At the lowest level is a collection of drivers called the SCSI low-level drivers. These are the "specific drivers" interface to the physical devices as such. The LL