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Enable LSI 2208 Array Card JBOD mode

About the LSI 2208 array card is not enabled by default JOBD mode, how to configure as JBOD mode1, the server boot press ctrl+y into the BIOS preboot CLI interface2. Enter the command:$ Adpgetprop Enablejbod-aall (can be viewed to JBOD is disabled)Adapter 0:jbod:disabledExit Code = 0x0Enable JBOD$ adpsetprop enablejbod

Looking at latent semantic index (LSI) from Singular Value Decomposition (SVD)

equal sign, that is, the left side of the equal sign is equivalent to the right side of the equal sign. In other words, we only changed the original expression A without losing any information. It's like 24 = 2*3*4. Therefore, if LSI directly uses SVD, not only R is uncontrollable, but R is likely to be too large to achieve dimensionality reduction, in fact, this operation not only does not reduce the dimension, but also consumes a lot of computing t

LSI SAS1068 RAID Array card graphics and text configuration tutorial _ server Other

1. Install all SAS hard drive, boot up 2, the post process appears Ctrl + C prompts, press CTRL + C into LSI Logic Config Utility ... Start SAS configuration 3, select the "SAS 1068" channel, press. 4, RAID select "Raid Properties", press RAID Properties: Creating, managing arraysSAS topology: View Physical disk and RAID configuration informationAdvanced Adapter Properties: View advanced attributes and their restore Defaults (this action do

VM SCSI Controller Driver Select PVSCSI or LSI logic?

VMware, on the official blog today, said the use of PVSCSI storage adapter driver can improve 10-30% performance for high IO VMs. See Http://blogs.vmware.com/performance/2010/02/highperformance-pvsci-storage-adapter-can-reduce-cpio-by-1030.html We know that the default type of SCSI controller when creating VMS is the LSI Logic. Now under vsphere 4, you can select a new type PVSCSI (the option is VMware paravirtual), and this type can significantly

Configure the lsi sas raid card in esxi 5.0

The company has several servers installed on esxi5.0 virtual machines. They used to use common desktops, now we have purchased a dedicated server and installed the LSI 8708 sas raid card (the server's onboard RAID card esxi is not supported). Now we need to migrate the virtual machine. The best method would have been to mount the array. Now the virtual machine is moved to the array and then to the new server. However, the company's array is full and t

LSI: Better evolution than innovation

When a new technology or product emerges, everyone is eager to know whether or when the new product will completely replace the original product. In fact, many products have a "long tail effect". For example, when a disk backup occurs, people think that the tape will soon exit the market, but today the tape is still the main force of backup and archiving; after the emergence of SSD, many people think that it will eventually replace the mechanical hard disk, but at least from now on, it is not ea

Fourth generation: LSI computers

With the development of LSI, the computer entered the fourth generation development. The fourth generation computer takes the large scale integrated circuit as the logic element and the memory, causes the computer to the miniaturization and the massive two direction development. From the first generation to the fourth generation, the architecture of the computer is the same, which is composed of controller, memory, arithmetic and input, called von Neu

Installation of LSI MEGACLI Disk array management tool under Ubuntu

the server with Ubuntu system is turned on, but to see the status of the server RAID10, the LSI megacli Disk array management tool can be viewed by the following steps:1. Add Update sourcesudo vim/etc/apt/sources.list//add at the end Deb Http://hwraid.le-vert.net/ubuntu Precise Main sudo apt-get update//updating sourceNote: Some warnings can be ignored, but if you are prompted with a GPG error, you need to add a certificate

Design (15) enumeration of the root tree and Its Application in LSI analysis and identification and Program Arrangement simplification

Root tree enumeration and Its Application in LSI analysis and identification and Program Arrangement simplification (Enumeration problemsCompleted by a student as a graduation thesis. I wrote the Application Section) Root tree Enumeration Requirement: write a program that includes {n} and {Non-standard root tree} A 1-1 correspondence is established between all elements. The following table lists natural numbers.N = 1... 18Correspond

Dell C6220II LSI Array Card

1. If you have multiple raid on a LSI array card, you may report hard disk error (CentOS 6.6) If you need to install the system on the first raid, or you can create a raid on the system first. 2. Hot Plug the consequences: If the hard drive does not fail, RAID is normal, in the system running state to hot plug hard drive, will cause raid different steps, the entire RAID may appear various strange problems, For example: 1. HDD display off-line, red a

SVD application-LSI

Latent Semantic Indexing is an algorithm that relies heavily on SVD. This article is reproduced from the summary of Wu Jun's beautiful mathematics and the reference document mathematics in machine learning. ------------ In natural language

Storage redundancy of Windows Server storage space

Redundancy of storage spaceIn the high-availability architecture of the storage controller server, there is a difference in the degree of redundancy that is achieved by using a different number of JBOD or different ways of storage space layout. If you cannot turn on storage box-level redundancy by using two storage bins, so you cannot implement JBOD storage-tier redundancies, you must use three

Super-Yi Dual Opteron rack-type Server evaluation

heatsink to ensure that the processor is adequately cooled. 5 PCI expansion slots are available on the motherboard, including 4 pci-x slots and a 32bit 33MHz PCI slot. The two pci-x on the left side of the picture above are controlled by 1 Pci-x Bridge, the right two pci-x have another 1 Pci-x bridge control, the rightmost slot can support the ZCR expansion card. The Silicon Image Sil 3114 SATA Controller supports 4 SATA150 devices while SATA raid (RAID 0, 1, 0+1) is sup

Get a glimpse of it on the paper. Remember to configure RAID0 for IBM X3650 M3 and install EXSi5

/allimg/131228/0059126323-0.jpg "title =" 1.jpg"/> 3. Adpters and UEFI Drivers adapters and the uniied Extensible Firmware Interface driver 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131228/005912C96-1.jpg "title =" 2.jpg"/> 4. Select the PCI Driver settings under the lsi efi sas Driver. 5. Press 1 for EFI webBIOS provides two methods for BIOS management: WEB and command line. We select the web method6. Click start. 650) thi

Windows Server 2012 Virtualization Combat: Storage (i)

be used in conjunction with the "Storage space" feature to be mentioned later in this article), which will be implemented later. 3. Storage space Storage space is a new feature in Windows Server 2012 that provides an efficient and convenient storage virtualization solution. In simple terms, it can put a standard storage device into a storage pool and virtualize it to create a virtual disk called storage space. Currently compliant storage devices include disk or

Windows Server 2012 Virtualization Test: Storage (i)

. The core Hyper-V Server for Windows Server virtualization has high requirements for storage networking, and here are a number of options: While Hyper-V virtual machines can be deployed in Das, Nas, or SAN storage, for high availability, SAN-based is the most common (iSCSI-based IP San and FC-channel-based FC San), and you can now choose a file server cluster-based Hyper-V over SMB (a small network that can be used in conjunction with the "Storage space" feature to be mentioned later in this ar

Features of several commonly used raid

smoothly. RAID Minimum Required 6 drives, which are best suited for applications that require high reliability storage, high read speed, and high data transfer performance. These applications include transactional processing and Office applications that have many users accessing small files. JBOD:JBODis a class of important storage devices in the storage domain. JBOD(Just a Bunch of Disks, a disk cluster) is a storage device with multiple disk drives

Agricultural Project (install RDAC driver on Linux)

1. An error occurred while installing RDAC on Linux.Error in RDAC Installation[Root @ database1 linuxrdac-09.02.C5.13] # MakeMake V = 0-C/lib/modules/2.6.18-8. el5xen/build M =/root/Test2/linuxrdac-09.02.C5.13 modverdir =/lib/modules/2.6.18-8. el5xen/build /. tmp_versions subdirs =/root/Test2/linuxrdac-09.02.C5.13 modulesMake: ***/lib/modules/2.6.18-8. el5xen/Build: the file or directory does not exist. Stop.Make: *** [mppupper] Error 2 The directory is not found. Solve this problem2) carefully

Python Ai Road-fourth: Jieba Gensim better not split the most simple similarity implementation

Doc_test_vecDoc_test_vec =Dictionary.doc2bow (doc_test_list)Print("Doc_test_vec", Doc_test_vec, type (DOC_TEST_VEC))#using LSI models to train corpus corpora (primary knowledge Corpus)LSI =models. Lsimodel (Corpus)#Here's just need to learn LSI model to understand that here do not elaboratePrint("LSI",

MCU low Power Design (ii) practice

consumptionSet the macro definition to:#define Mcu_modeMode_low_power_runThe power consumption in this mode is: 4.6uA.St Company Product brochure: Low power Run (5.9 uA).Measured power consumption is 1.3uA lower than the official claimed power consumption.Let's take a look at how the MCU works in this mode.① Enter the code sequence for "low power Run" mode:L jump to ram;L Switch the system clock to LSI or LSE;L Turn off the high-speed crystal, ADC an

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