Dell PERC 201710p import RAID card array information
Dell PERC 201710p import RAID card array information
1. Unplug the hard disks of one server (A) and insert them to another server (B) with the same configuration in the same order)
2. Start the server (B)
3. Press ctrl + R on the keyboard prompt To Go To The
RAID: Redundant Arrays of inexpensive disk fault tolerant low-cost RAID arrayA number of technologies (software/hardware) that consolidate many small disks into a single large storage device with the ability to protect data and improve storage ratesdisk array Benefits :
Data security, reliability (data rebuild, restore)
Improve read and write perform
RAID disk array devices, which often encounter some common failures during use, also bring a lot of hard-to-estimate data risk beyond the applications that bring us massive storage space. This article will focus on RAID data recovery common failures and related processing methods.First, RAID basic knowledgeThe simple e
Tags: RAID disk array on Linux system buildingRAID-independent Redundant disk arrayDisk array (redundant Arrays of independent Disks,raid), with the meaning of "redundant array of independent disks".The disk array is made up of ma
RAID Arrays and LVM logical volume groups are primarily used for backup-to-disk and extensions, where raid is used for Backup-to-disk and LVM for disk space management.
One: The principle of RAID work.
1. Soft raid is more commonly used with RAID0, RAID1, RAID5 and raid10,raid0 at least one hard drive: If multiple ha
RAID is a noun that we can often see. But because rarely can experience in the actual environment, so it is difficult to have a very clear understanding and grasp of its principle. RAID is an abbreviation for the English Redundant array of independent disks, which is known as a redundant array of independent disks.
HP ProLiant SL210T server, typically with two array cardsA server comes with a Dynamic Smart array b120i RAID Controller, a Smart array P420 Controller for slot card slotsHere we use the Smart array P420 RAID 1 type
RAID (Redundant array of inexpensive disks) is referred to as a disk array, combining multiple hard disks into a single logical sector, so that the performance of poor performance of the hard drives, to reach even more valuable, larger capacity of the hard disk. and increase the data integration, fault tolerance, processing capacity, capacity. This blog only desc
Tags: data recovery RAID disk array database recoveryA customer's DS5020 fiber storage failure results in data loss, which uses 16 hard disks to form a RAID disk array. The 10th and 13th dials are dropped, and the number 6th warns that data recovery is required.RAID disk array
Tags: dahne/linux/computer/YUNVI/cloud computing/Red Hat/RAID disk arrayInexpensive redundant disk array raid–redundant Arrays of Inexpensive Disks– Consolidate multiple small/low-speed disks into one large disk with hardware/software technology– Value of the array: increased I/O efficiency, hardware-level data redunda
I have described in detail in the Linux disk array technology (a) several types of RAID disk arrays, principles and detailed steps for creating RAID 0. Then this document focuses on how to create a RAID 1 technology:650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M02/8A/F0/wKiom1g_mpLR9lR4AACcfJsTuUc372.png "tit
1, after the boot, when entering the following figure, press F1 into the BIOS settings;
2, enter the system settings under the devices and I/O ports submenu, the Configure SATA as value to RAID (Ide/ahci/raid) and save settings, and then restart;
3, in the post will be prompted to press CTRL + C to enter the LSI Logic Config Utility v7.19 Management interface;
4, selec
Detailed steps for disk array RAID configuration in your computer
1, according to the virtual Disk Manager at the bottom of the screen prompts, in the VD Mgmt menu (can be ctrl+p/ctrl+n switch menu), press F2 expand Virtual Disk Creation menu;
2, in the virtual disk to create a window, press ENTER to select "Create New VD" creation of virtual disk;
3, in the
current BBU properties # megacli-adpbbucmd-getbbuproperties–aall View charge Progress percentage # megacli-adpbbucmd-getbbustatus-aall |grep "Relative State of Charge" query RAID array number # Megacli-cfgdsply-aall |grep "Number of disk GROUPS:" Display RAID card model, RAID settings, DISK related information # me
The server as the data centralized storage and management place, once it fails, will bring the user and the enterprise very big data loss. Lenovo, as the most popular server brand, is used by many enterprises, and is accompanied by more and more Lenovo server data recovery problems. One of these is the corruption of the server RAID card data recovery problem. So, is there a way to solve Lenovo Lenovo server RAID
RAID disk array devices, which often encounter some common failures during use, also bring a lot of hard-to-estimate data risk beyond the applications that bring us massive storage space. What is the reason for the loss of RAID array information? RAID
1. Check the RAID disk array information and confirm which to close. such as: Close md0 this array[Email protected] ~]# Cat/proc/mdstatPersonalities: [RAID6] [RAID5] [RAID4]Md0:active RAID5 sdb5[3] (S) sdb1[0] sdb2[1] sdb3[4]1043456 Blocks Super 1.2 level 5, 512k chunk, Algorithm 2 [3/3] [UUU]Unused devices:2, unload md0 This
First, Fdisk establishes a different partition and is set to the FD formatSecondly5 5 /dev/sda1/dev/sdb1/dev/sdc1/dev/sdd1/dev/sde1-C: Create a disk array-L: Disk array RAID5-N: Using 5 disks to create aThis creates a disk array/dev/md0The disk array is then formattedMkfs.ext3/dev/md0You can use this disk
power-on Boot
When you see this interface, press CTRL + C to enter the array card setup interface as prompted (6i card is also the case)
Press ENTER directly to enter the next action
Use the TAB key to switch to raid
Here's how to delete the array
power-on Boot
The above article is the cloud Habitat Communit
/DEV/VDB1 vg0 lvm2 a--1020.00m 820.00m/DEV/VDB2 vg0 lvm2 a--1020.00m 1020.00m6.LVM SnapshotsLvcreate-l 20m-n lv0-backup-s/dev/vg0/lv0 # #给/dev/vg0/lv0 Snapshot,-l specify snapshot size,-n Specify Snapshot name-s specify Snapshot template deviceMount/dev/vg0/lv0-backup/userdateWhen the data in the snapshot device is changed, if you want to restore, delete the snapshot device, re-establish the snapshot650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M02/9D/CD/wKiom1mGmh7AZ8AFAAAnc2HFXkA505.
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