dell 2950 server

Dell server related operations 1. Raid problems: # Deleting existing Raid configurations MegaCli64-CfgLdDel-LALL-aALL # Obtain the device ID and Slot Number MegaCli64-PDList-aALL | egrep 'enclosure Device ID | Slot Number '| awk 'nr % 2 = 0 {print $3}; NR % 2! = 0 {print $4 ;}' # Create Raid5, $ sdaslots is the disk ID and slot number used to create Raid that meet the parameter requirements. The size is

Recent projects require access to DCN and OA respectively on the Dell server, with the IP addresses 132.109.32.70 and 10.16.177.70 respectively. At the same time, you can access the Intranet of the 132 switch, but you cannot access the OA network. After the proxy is set, it still cannot be solved. Run the CMD command route print to print the route table. The routes of the two IP addresses are directe

Explain various raidRAID0:It's usually done with two plates.Write a file on two plates, respectively.This improves read and write speed.But it is not redundant and cannot be recovered by backup after data lossRAID1:It's done with two plates.That's what they call a mirror.Backup for each otherOnce a piece of data is lost, it can be recovered by another pieceRAID5:At least three plates requiredRAID5 is a compromise between RAID0 and RAID1.So it's 10/2=5.20170713l08-00 old boy Linux OPS training-

If the total capacity of the hard disk is greater than 2T, the system cannot be installed in MBR format.Use GPT formatYou can't use Fdisk to partition it at this time.To use parted to partitionMore than 2t hard disk partition, the old boy video used to 5 pieces of 600G hard diskThere are several ways to install the systemI only remember two of them.Method One: Take 2 pieces of RAID 1 for the remaining 3 pieces to do RAID5Method Two: All made RAID5, then the logical partition installation system2

-addons#baseurl=http://mirrors.163.com/centos/$releasever/addons/$basearch/#gpgcheck =1#gpgkey=http://mirrors.163.com/centos/rpm-gpg-key-centos-6# Additional packages that could be useful[extras]name=centos-$releasever-extrasbaseurl=http://mirrors.163.com/centos/ 6.5/extras/$basearch/gpgcheck=1gpgkey=http://mirrors.163.com/centos/rpm-gpg-key-centos-6#additional Packages That extend functionality of existing packages[centosplus]name=centos-$releasever-plusbaseurl=http:// mirrors.163.com/centos/6.

Dell Server hardware monitoring software Openmanager, can monitor the battery, motherboard, temperature, and hard disk and so on. In monitoring, you may experience the following error message: Info:memory Module 6 [DIMM7, 2048 MB] needs attention:single-bit warning error rate exceeded, single-bit failure error RA Te exceeded This indicates a problem with memory monitoring, may be loose memory, and so on,