h710

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03--Master plan for vsphere deployment systems

, 12Gbps (Do RAID 5) Quad Port Gigabit Network adapter Other: Integrated perc H710 mini array card, IDRAC Enterprise Edition remote management card, dual power supply.In this case, iSCSI storage is used, directly with an Ethernet gigabit port, and no FC HBA or SAS HBA interface card or fiber module is used.The 3 compute node hosts, functions, System configuration and virtual machine information are as follows: Host Name

"Some summary of Ssd,fio,sas selection" Some summary of Ssd,fio,sas selection

similar to the same specifications of FIO; now it seems that the cost is relatively low;A lot of people are saying that SSD does not go through the RAID card performance better; I totally disagree;First, SSDs do not have a raid at all to produce use;second, the performance of the raid card degrade, even if there is not within the scope of measure; many people comment, but no one can give performance degrade percentage; personal believe less than 10%;third, the raid card may become a performance

Guangzhou Top Hui Electronic Technology Co., Ltd. Server vigorously promote the price is very good

DDR3 ECC 400 yuan (for: T20 T110 R220)4G DDR3 RECC 240 yuan 8G DDR3 recc 500 yuan 16G DDR3 RECC 1000 yuan4G DDR4 2133 400 yuan 8G DDR4 2133 600 yuan16G DDR4 2133 1200 RMBHard disk:500GSATA Enterprise 3.5 inch 7.2k:500 yuan 1TSATA enterprise 3.5 inch 7.2k:700 yuan 2TSATA enterprise 3.5 inch 7.2k:1000 yuan300gsas3.5 inch 15k:900 yuan 300gsas2.5 inch 10k:750 yuan 300gsas2.5 inch 15k:1200 yuan600gsas3.5 inch 15k:1350 yuan 600gsas2.5 inch 10k:1050 yuan900gsas2.5 inch 10k:1200 yuan1tsas3.5 inch 7.2k:

Dell Server Linux System installation

IntroductionThis article mainly introduces the installation and deployment of the Linux operating system of the Enterprise Blade machine.first, create RAID Following this interface, always press F10 to enter the system boot Go to the server comes with the boot program, the default choice of Simplified Chinese, keyboard type by default Click OS Deployment to start installing the system Here you can choose to configure RAID first or go directly to the OS deployment RAID Co

See if RAID is enabled under Linux

[Email protected] ~]$ CAT/PROC/SCSI/SCSI Attached devices: Host:scsi0 channel:02 id:00 lun:00 Vendor:dell Model:perc H710 rev:3.13 Type:direct-access ANSI SCSI revision:05 Host:scsi5 channel:00 id:00 lun:00 Vendor:hl-dt-st Model:dvd-rom du90n rev:d300 Type:cd-rom ANSI SCSI revision:05 Host Adapter FlagThe SCSI channel on the channel host adapterSCSI Flag for ID deviceModel indicates HDD modelWhen the value of the chann

Fault troubleshooting for 1-minute load 5000+ in a Linux system

Yesterday morning when viewing the Zabbix monitoring interface, the number of processes found on one of the servers and the 1-minute load had reached a very alarming number, the Zabbix default alarm value was the number of processes in the 5-minute average of more than 1000, and the 1-minute system load of 5 minutes with an average value greater than 5.First, the hardware and software information of the server is listed:Server hardware: Dell PowerEdge R720, 2 x Intel (R) Xeon (r) CPU e5-2640 v2

RAID on "Linux" system

"random Read and write" performance. Mid-to high-end RAID cards are cached (at a high price). So how does the cache for the RAID card and the disk's own cache be set?The Dell server's PERC H710 RAID card has 512M cache and is battery-powered. When setting up the array (RAID5), the default option for the RAID card cache is: Read policy: Adaptive write Policy: write-back disk cache policy: Disable attribute interpretation: Read policy: General to enabl

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