Oct 3 16:45:01 centos-62-1 kernel: md/raid10:md0: Operation continuing on 2 devices. Oct 3 16:45:01 centos-62-1 kernel: md/raid10:md0: Disk failure on sdd1, disabling device. Mdadm -manage -set-faulty /dev/disk/by-id/md-name-centos-62-1.localdomain:data /dev/sdd1 Oct 3 16:43:42 centos-62-1 kernel: md/raid10:md0: Operation continuing on 3 devices. Oct 3 16:43:42 centos-62-1 kernel: md/raid10:md0: Disk failure on sdb1, disabling device. Mdadm -manage -set-faulty /dev/disk/by-id/md-name-centos-62-1.localdomain:data /dev/sdb1 Mdadm -detail /dev/disk/by-id/md-name-centos-62-1.localdomain:data Because raid 10 use mirror sets it will continue to function when it has faulty disks from different mirror sets. Here will test two disks failures in our raid.
Continue creating partitions by repeating the above procedure on all the other disks that will participate in the raid.
Last cylinder, +cylinders or +size (1-1044, default 1044):įd Changed system type of partition 1 to fd (Linux raid autodetect)Ĭalling ioctl() to re-read partition table. First we will create linux raid partitions on our disksġ -> enter First cylinder (1-1044, default 1):.Raid 10 have a great fault tolerance because of its mirror pairs and very good performance because of the stripe technology. Raid 10 is stripe of mirrored disks, it uses even number of disks (4 and above) create mirror sets using disk pairs and then combine them all together using a stripe.
SOFTRAID LINUX HOW TO
In this post I will show how to create a raid 10 array using 4 disks.
SOFTRAID LINUX SOFTWARE
With mdadm you can build software raid from different level on your linux server. Mdadm is a linux software raid implementation. Hardware: Virtual Machine (VirtualBox 4.1.22) Introduction
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