Шпаргалка по MDRAID. Создание массива: mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/sda1 /dev/sdb1.

mdadm is a Linux utility used to manage and monitor software RAID devices. It is used in modern Linux distributions in place of older software RAID utilities such as raidtools2 or raidtools. mdadm is free software maintained by, and copyrighted to, Neil Brown of SUSE...

MDRAID has always used its own metadata format. There are two different major formats for the MDRAID native metadata, the 0.90 and the version-1. The old 0.90 format limits the arrays to 28...

http://peterkieser.com/2009/11/29/raid-mdraid-stripe_cache_size-vs-write-transfer/. http://forum.qnap.com/viewtopic.php?f=50&t=30280. Исходный файл для создания иллюстрации...

Master disk systems and system backup techniques for Red Hat Enterprise Linux (RHEL)—one of the most popular Linux distributions. Computer science instructor and Linux enthusiast Grant McWilliams...

auto-discover array devices. Append to zabbix_agentd.conf file. UserParameter=mdraid[*], sudo /usr/local/bin/zabbix_mdraid.sh -m'$1' -$2'$3'.

echo '' >> /etc/default/grub echo '# RAID' >> /etc/default/grub echo 'GRUB_PRELOAD_MODULES="part_gpt mdraid09 mdraid1x lvm"' >> /etc/default/grub.

mdraid also supports other metadata formats, known as external metadata. Red Hat Enterprise Linux 8 uses mdraid with external metadata to access ISW / IMSM (Intel firmware RAID) sets and SNIA DDF...

insmod mdraid.

Setting up a new server involves putting in all its new drives, turning off MegaRAID, setting up mdraid (Linux software RAID) on them, and then installing the operating system. It requires quite a few tricky...

menuentry 'debiano' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod raid insmod mdraid insmod ext2 set root='(md0)' linux...

As root device (set root) an uuid using mdraid (mduuid/650864013e2d41cf1f2acfeafc5c2bd7) was Here another UUID is used (because it's a device UUID, not a mdraid UUID). We can verify these by...

NOTE: This document assumes that you wish to install your Void system to a RAID array and run it from there and that you have already created your array in whatever BIOS control panel came with your hardware.

If you have a degraded RAID array and one of your drives hits a bad sector, mdraid will shut down the array. That will happen during the recovery when you re-add the drive...

Did you run dracut with -a mdraidoption to add the needed files? It might be that due to installed without mdraid, CentOS7 did not include this module by default.