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DELL R710 Server does RAID5 disk array graphics tutorial

array card itself, the BIOS of the array card. (typically used to reinstall a system or without an operating system, create a container (Adaptec array card)/logical drive (Ami/lsi array card).Use the Configuration tool software provided by the third party to achieve the management of the card. such as Dell Array Manager. (These software is used for the operating system already installed on the server)Third, the correct identification of your array ca

Turn STM32 clock tree

This article from: http://www.openedv.com/posts/list/302.htmAuthor Zhang YangThe clock system is the core of the processor, so it is necessary to learn the clock system carefully before learning STM32 all the peripherals, which helps to understand the STM32 deeply.Here is a STM32 clock diagram from the Internet, which looks clearer than the one in the STM32 Chinese reference manual: Important Clocks:The relationship between PLLCLK,SYSCLK,HCKL,PCLK1,PCLK2 to be clear;1, HSI: high-speed inte

Details of Linux system data landing

. Battery/capacitance differences: In order to ensure that the data in the "volatile" buffer can be flushed to the underlying disk media in time after the machine has been powered down, the storage controller has a battery/capacitor to guarantee. The normal battery has the capacity attenuation problem, namely every time, the onboard battery should be controlled charge and discharge once, in order to guarantee the battery capacity. The storage controller that is set to Write-back is

The use of enumerate in Python

In Python applications, when we use an array or a list to traverse the index and iterate over the elements, it is common practice to:>>> LSI = [1,2,3,4,5,6,7,8,9]>>> lsi[1, 2, 3, 4, 5, 6, 7, 8, 9]for in Range (0,len (LSI)): ... Print Using the built-in enumerrate function will have a more straightforward, graceful approach, first

VMWare ESX Server Performance optimization

, it can affect performance.Just as important as memory is the tuning of the disk system, which is especially important for the impact of the ESX server disk system. The disk hosting the ESX server kernel, as well as the kernel image, and the console system files should be equipped with RAID1 protectionWe do not recommend using on-board LSI for raid, 5i 6i 6m cards are recommended because the onboard LSI ha

DELL R710 Server do RAID5 disk array Tutorial _ server Other

. (generally used to reload the system or do not install the operating system to create a container (Adaptec array card)/logical drive (Ami/lsi array card).Use the Configuration tool software provided by the third party to implement the management of the card. such as Dell Array Manager. (These software is used on the server already has the operating system installed)Third, correctly identify the model of your array card (in this case, Dell, in fact,

DELL R900 Server RAID Array configuration details _ server other

. (generally used to reload the system or do not install the operating system to create a container (Adaptec array card)/logical drive (Ami/lsi array card).Use the Configuration tool software provided by the third party to implement the management of the card. such as Dell Array Manager. (These software is used on the server already has the operating system installed)Third, correctly identify the model of your array card (in this case, Dell, in fact,

The next unpopular RAID card ioc0 and its monitoring mpt-status_linux Linux system

A new Linux server is being taken, ready to check for configuration raid.check for a RAID card first: Copy Code code as follows: # Dmesg|grep-i raid Mptsas:ioc0:attaching RAID volume, Channel 1, ID 0 Device-mapper:dm-raid45:initialized v0.2594l Md:autodetecting RAID arrays. Obviously there is, just can't determine the type of RAID card is ioc0 or DM-RAID45, so began Baidu. Then found a tool: Mpt-status, and in the download interface, there are a few words:Mpt-stat

Powerleader PR1700G2 1U Server evaluation

power supply, which has a maximum output power of 500W, where the total output power of +3.3v and +5v is no more than 90W. From the server configuration, this server does not have the ability to directly extend the redundant power supply. The PR1700G2 server is equipped with 1 Intel Xeon 2.8GHz Processors (800Mhz FSB,2MB L2), two 512MB Ddrii 400 memory configurations for dual channels, onboard LSI 1020 scsi/ RAID controller an

When VMware Converter P2V, it is jammed

Waiting for the destination Vsan to boot up as the converter helper serverIf you open the Console of the VM at this time, you can see the loading: Loading filesys ...Resolved under Windows:Upload the Converter-helper-vm.iso (32-bit) or Converter-helper-vm-x64.iso (64-bit) to the Datastore on the ESXi host. These two files are located in the following directory on the host where converter is installed:C:\Program Files (x86) \vmware\vmware VCenter Converter standalone\Note: 1, if the conversion 20

SAP creates vendor master data with Vmd_ei_api=>maintain

Frm_vendor_create.Data:lv_flg.Data:ls_mainTYPEVmds_ei_main,Ls_mesgTYPECvis_message,Lt_msgTYPEbapiret2_t,Lwa_msgTYPEBAPIRET2,Lt_vendTYPEVmds_ei_extern_t,Lwa_vendTYPEVmds_ei_extern,Lt_companyTYPEvmds_ei_company_t,Lwa_companyTYPEVmds_ei_company,Lt_bankdetailsTYPEcvis_ei_bankdetail_t,Lwa_bankdetailsTYPECvis_ei_cvi_bankdetail,"Cvis_ei_bankdetail.Lt_purchasingTYPEvmds_ei_purchasing_t,Lwa_purchasingTYPEVmds_ei_purchasing,Lt_functionsTYPEvmds_ei_functions_t,Lwa_functionsTYPEVmds_ei_functions.* Master Da

STM32 Clock Count

In STM32, there are five clock sources for HSI, HSE, LSI, LSE, PLL.In fact, four clock sources, as shown (gray-blue), PLL is a PLL clock that is multiplied by a phase-locked loop circuit. ①, HSI is a high-speed internal clock, RC oscillator, frequency of 8MHz.  ②, HSE is a high-speed external clock, can be connected to the quartz/ceramic resonator, or external clock source, frequency range of 4mhz~16mhz.  ③, LSI

The difference between QFN and QFP

QFN (Quad flat non-leaded package) four-side leadless flat pack . More known as LCC.Ceramic QFN: Mostly LCC markers.Plastic QFN is also known as plastic LCC, PCLC, P-LCC and so on.QFP (quad flat package) four side pin flat pack . The pin is drawn from four sides of the gull Wing (L) type. The base material has three kinds of ceramics, metal and plastic.Plastic QFP is the most popular multi-pin LSI package. Not only for microprocessor, door display and

002_ Computer History and future direction

field of word processing and graphic image processing. 4th Generation: LSI Machine (1970-present) In terms of hardware, logic components are used in large scale and VLSI (LSI). In the aspect of software, database management system, network management system and object-oriented language are presented. It is characterized by the birth of the world's first microprocessor in Silicon Valley in the

MCU Low power design (i) theory

LSI or LSE LSI or LSE LSI or LSE off Cpu Off Off Open Off Off Off Peripherals Open Open Open Open Off, only RTC Open Off wake-up All internal and external interrupts, reset all internal and ext

Using the Library Function]

To improve system reliability, the rjf4 MCU series has an independent watchdog (iwdg) and a window watchdog (wwdg ). Today's experiment is about the independent watchdog. The clock source used by the independent watchdog is the internal low-speed oscillator LSI. Because the LSE may not be connected, the HSE may be a bad point. When the HSE is used up, the HSI has his opinion... For many reasons, LSI is th

Stm32 clock Analysis

The original Article portal has five clock sources in stm32: Hsi, HSE, LSI, LSE, and PLL. There are actually four clock sources, as shown in (gray-blue). The PLL is generated by the frequency doubling of the PLL circuit.① HSI is a high-speed internal clock, RC oscillator, with a frequency of 8 MHz. ② HSE is a high-speed external clock, which can be connected to a Z/Ceramic Resonator or an external clock source. The frequency range is 4 MHz ~ 16 MHz. ③

Details of Linux system data landing

. Battery/capacitance differences: In order to ensure that the data in the "volatile" buffer can be flushed to the underlying disk media in time after the machine has been powered down, the storage controller has a battery/capacitor to guarantee. The normal battery has the capacity attenuation problem, namely every time, the onboard battery should be controlled charge and discharge once, in order to guarantee the battery capacity. The storage controller that is set to Write-back is

Installing RHEL6.2 (a)--vmware configuration in VMware

virtual machine the IP address of another network segment.③ uses only the host-mode network. Use a private network to connect virtual machines to physical machines, and virtual machines and physical machines can be accessed in both directions.④ does not use a network connection. As the name implies, is not connected to the network.9. Select the I/O controller type. ①buslogic (U), older technology, I/O performance is much worse than LSI, and can only

RAID Tutorial Full graphics hands-on teaching you to do Raid_ server other

configuration tool software to manage the card, such as Dell array Manager. This article describes how to use the array card's BIOS tool for disk array configuration in a Dell server. If you are using a Adaptec disk array controller (PERC2, Perc2/si, Perc3/si, and Perc3/di) on your Dell server, you will see the following information at System Post: Dell PowerEdge Expandable RAID Controller 3/di, BIOS v2.7-x [build xxxx] (c) 1998-2002 Adaptec, Inc. All Rights Reserved. If your Dell server is

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