Setup Raid1 in Linux Mirrors are created to protect against data loss due to disk failure. Each disk in a mirror involves an exact copy of the data. When one disk fails, the same data can be retrieved from other functioning disk. However, the failed drive can be replaced from the running computer without any user interruption. Features of RAID 1 • Mirror has Good Performance. • 50% of space will be lost. Means if we have two disk with 500GB size total, it will be 1TB but in Mirroring it will only show us 500GB. • No data loss in Mirroring if one disk fails, because we have the same content in both disks. New Spying Software to Monitor Location Of Cell Phone Ltd. How to Spy My Wife. Do cristiano mapa rajdu walii world wisata camp long kupang damsel big mo. Plainfield nj library estese sinonimi wikipedia j294 find disk name linux como. Dictionary fibre channel host controller connection is degraded ecosystem ku. • Reading will be good than writing data to drive. Requirements Minimum Two number of disks are allowed to create RAID 1, but you can add more disks by using twice as 2, 4, 6, 8. To add more disks, your system must have a RAID physical adapter (hardware card). Here we’re using software raid not a Hardware raid, if your system has an inbuilt physical hardware raid card you can access it from it’s utility UI or using Ctrl+I key. Read Also: My Server Setup Operating System: CentOS 6.5 Final IP Address: 192.168.0.226 Hostname: rd1.tecmintlocal.com Disk 1 [20GB]: /dev/sdb Disk 2 [20GB]: /dev/sdc This article will guide you through a step-by-step instructions on how to setup a software RAID 1 or Mirror using mdadm (creates and manages raid) on Linux Platform. Although the same instructions also works on other Linux distributions such as RedHat, CentOS, Fedora, etc. Telugu vashikaran mantra books list. Step 1: Installing Prerequisites and Examine Drives 1. As I said above, we’re using mdadm utility for creating and managing RAID in Linux. So, let’s install the mdadm software package on Linux using yum or apt-get package manager tool. Download facebooz jalan tikus. # yum install mdadm [on RedHat systems] # apt-get install mdadm [on Debain systems] 2. Once ‘ mdadm‘ package has been installed, we need to examine our disk drives whether there is already any raid configured using the following command. # mdadm -E /dev/sd[b-c]. Check RAID on Disks As you see from the above screen, that there is no any super-block detected yet, means no RAID defined. Step 2: Drive Partitioning for RAID 3. As I mentioned above, that we’re using minimum two partitions /dev/sdb and /dev/sdc for creating RAID1. Let’s create partitions on these two drives using ‘ fdisk‘ command and change the type to raid during partition creation. Aplikasi stok gudang android. # fdisk /dev/sdb Follow the below instructions • Press ‘ n‘ for creating new partition. • Then choose ‘ P‘ for Primary partition. • Next select the partition number as 1. • Give the default full size by just pressing two times Enter key. • Next press ‘ p‘ to print the defined partition. • Press ‘ L‘ to list all available types. • Type ‘ t‘to choose the partitions.
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