sdc acronym

"Multi-disk non-partition mode" is used ": 1. Prepare the following three Disks (not partitioned) for the following purposes:Crsdg 10gDGSYSTEM 10gDGDATA 10g[Root @ oradb ~] # Fdisk-l Disk/dev/sdc: 10.7 GB, 10737418240 bytes Disk/dev/sdd: 10.7 GB, 10737418240 bytes Disk/dev/sde: 10.7 GB, 10737418240 bytes 2. Configure udev 2.1 edit the/etc/scsi_id.config file. If the file does not exist, create the file and add the following lines:Options = -- whiteli

Introduction of Btrfs File system Btrfs (Butter FS), announced by Oracle in 2007 and in progress in the Cow (copy-on-write) file system. The goal is to replace Linux's current Ext3 file system to improve ext3 limitations, especially single file size limits, total file system size limits, and the addition of file checksum features. Added some features not currently supported by EXT3/4, such as writable disk snapshots (snapshots), and support for recursive snapshots (snapshots of snapshots), built

CentOS7 install Ceph 1. installation environment | ----- Node1 (mon, osd) sda is the system disk, and sdb and sdc are the osd disks. | | ----- Node2 (mon, osd) sda is the system disk, and sdb and sdc are the osd disks. Admin ----- | | ----- Node3 (mon, osd) sda is the system disk, and sdb and sdc are the osd disks. | | ----- Client Ceph Monitors uses port 6789

/dev/sdb1/dev/sdc1/dev/sdd1To create a RAID5 device:Mdadm--create/dev/md0--level=5--raid-devices=5/dev/sd[c-g]1--spare-devices=1/dev/sdb1To create a RAID 10 device:Mdadm-c/dev/md0-l10-n6/dev/sd[b-g]-x1/dev/sdhCreate a RAID1 0 device:Mdadm-c/DEV/MD0-L1-N2/DEV/SDB/DEV/SDCMdadm-c/DEV/MD1-L1-N2/DEV/SDD/DEV/SDEMdadm-c/DEV/MD2-L1-N2/DEV/SDF/DEV/SDGMdadm-c/DEV/MD3-L0-N3/DEV/MD0/DEV/MD1/DEV/MD2The length of initialization is related to the performance of the disk array itself and the application load of

using TimequestI am more familiar with Altera, here with Quartus II in the Timequest as explained.The core of the Timequest analysis sequence is the calculation of the delay factor. Then establish the constraint file, to tell Timequest, which place has what kind of constraint, how to constrain.The reason to establish the related network table concept, because we use Quartus II in the Timequest, the approximate process is: the establishment of the network table----The establishment of

Introduction of Btrfs File system Btrfs (Butter FS), announced by Oracle in 2007 and in progress in the Cow (copy-on-write) file system. The goal is to replace Linux's current Ext3 file system to improve ext3 limitations, especially single file size limits, total file system size limits, and the addition of file checksum features. Added some features not currently supported by EXT3/4, such as writable disk snapshots (snapshots), and support for recursive snapshots (snapshots of snapshots), built

[Email protected] ~]# df-hFilesystem Size used Avail use% mounted on/dev/sda3 19G 11G 6.5G 63%/Tmpfs 995M 239M 756M 24%/DEV/SHM/DEV/SDA1 194M 46M 139M 25%/boot/DEV/SDA4 20G 1.4G 18G 7%/rman/DEV/SDB1 30G 863M 28G 4%/arch1[Email protected] ~]# fdisk-ldisk/dev/sda:42.9 GB, 42949672960 bytes255 heads, Sectors/track, 5221 cylindersUnits = Cylinders of 16065 * 8225280 bytesSector size (logical/physical): bytes/512 bytesI/O size (minimum/optimal): bytes/512 bytesDisk identifier:0x00079a2cDevice Boot St

use a symbolic link or a tool to adjust the partition size (such as patitionmagic), but this is only a temporary solution, the problem is not fundamentally solved. With the appearance of the Logical Disk volume management function in Linux, these problems have been solved, and users can easily adjust the size of each partition without downtime. Demo environment: centos6.4. Three hard disks, two of which are created and one is extended. Overview: PE | PV | VG | LV PE (physical extend): Physica

lines: Options = -- whitelisted -- replace-whitespace Note: In my tests, this step can be omitted. 2. Obtain the uuid of the disk to be bound to the ASM disk. For example, if we want to use/dev/SDC and/dev/SDD as the ASM disk, then: # Scsi_id -- whitelisted -- replace-whitespace -- device =/dev/SDC 1ata_vbox_harddisk_vb36a9e548-1838194a # Scsi_id -- whitelisted -- replace-whitespace -- device =/dev/SDD 1at

Tags: IP address Windows Server target Advantages of iSCSI Technology Compared with traditional SCSI technology, iSCSI technology has three revolutionary changes: The original SCSI used only on the local machine is transmitted through the TCP/IP network, so that the connection distance can be extended in an unlimited region; The number of connected servers is infinite (the upper limit of the original SCSI-3 is 15 ); Because it is a server architecture, online resizing and dynamic deployment can

identifiers.For all public members, types, and namespace names composed of multiple words, use Pascal case. Note that this rule does not apply to instance fields. Public instance fields should not be used because of the detailed description in the member design guidelines.Use case-insensitive mixing for parameter names. The following table summarizes the upper and lower case rules of identifiers and provides examples of different types of identifiers. Identifier Case sensitivity

Typename Attribute Pascal Backcolor Uppercase/lowercase rules for acronyms An acronym is a word that consists of the first letters of each word in a term or phrase. For example, HTML is the abbreviation of hypertext markup language. Acronyms should be used in identifiers only when the public is widely aware and understood. The acronym is different from the

MyEclipse Spring 65 percent copy bottom Sale! 6.24-7.24! onlyIn the software Distribution Manager Secure Delivery Center Overview of Basic Concepts (ii), the small section introduces SDC's Package Library and the management console, so in this article, we will continue to introduce secure Delivery Some of the other basic concepts of the center, Welcome to the tasting!installation programAfter you configure a package, you can test the package and the installer locally before committing the chang

1. view the new disk [root @ brief top61desktop] fdisk-culdevsdcDiskde I. view the new disk [Root @ mongotop61 Desktop] # fdisk-cul/dev/sdc Disk/dev/sdc: 21.5 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders, total 41943040 sectors Units = sectors of 1*512 = 512 bytes Sector size (logical/physical): 512 bytes/512 bytes I/O size (minimum/optimal): 512 bytes/512 bytes Disk identifier: 0x0000

LVM. The most common hard-to-decide problem that Linux users encounter when installing the Linux operating system is how to correctly evaluate the size of each partition to allocate suitable hard disk space. When a partition space is exhausted, the solution is usually to use a symbolic link or a tool to adjust the partition size (such as PatitionMagic), but this is only a temporary solution, the problem is not fundamentally solved. With the appearance of the logical disk volume management funct

of the two disks can greatly improve the efficiency. However, if RAID is implemented using Software, the disk space is not necessarily limited (such as Linux Software RAID ), all disk space can be utilized through different combinations through software implementation. 2. RAID0 demonstration Step 1: partition the disk [Root @ serv01/] # ls/dev/sdb/Dev/sdb[Root @ serv01/] # ls/dev/sdc/Dev/sdc[Root @ serv0

Establish an ISCSI Storage System in a PC architecture I. Architecture diagram: 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131228/0035494956-0.png "title =" 1.png"/> Requirement: Share the/dev/sdc on the iscsi-target server for mounting and use from the windows and linux clients respectively. Iscsi-target server IP Address: 192.168.10.50/24 Linux Client IP Address: 192.168.10.10/24 Windows server 2003 IP: 192.168.10.201/24 2

of the two disks can greatly improve the efficiency. However, if raid is implemented using software, the disk space is not necessarily limited (such as Linux software raid ), all disk space can be utilized through different combinations through software implementation. 2. raid0 demonstration Step 1: partition the disk [Root @ serv01/] # ls/dev/sdb/dev/SDB [root @ serv01/] # ls/dev/SDC [root @ serv01/] # ls /dev/SDB */dev/

Configure Oracle ASMLib and disk multi-path on Linux Configure Oracle ASMLIB and multi-path Disks The following documents describe how to use Oracle asmlib to access a multi-path disk on the linux platform, no matter which multi-path software you use, this document is based on the multi-path disk that has been created. The name of the multi-path disk in this document is "multipatha", which is irrelevant to the storage vendor. Problems involving multi-path software: When using the multi-path soft

Add a hard disk to a VMware Linux virtual machine1, first the virtual machine power OFF, click on the "Add" in the bottom left corner of the VM Setting dialog box, select "Hard Disk", then select "Create a new Virtual disk", allocate capacity, other default configuration is OK.2, start the virtual machine system, log on with the root, using the # ls/dev/sd* command can see the last one SDB or SDC (if the third hard drive added is