![]() Note: You can add, remove disks, or set them as faulty without stopping an array.ġ. You can see that all three disks are present and in sync. Algorithm 2 shows it is a write algorithm pattern, which is "left disk to right disk" writing across the array. These are /dev/sdc1, /dev/sde1 and /dev/sdd1, with a 64k "chunk" size or write size. Md6 is different in that we can see it is a raid 5 array, striped across three disks. The same can be said of md0 only it is smaller (you can see from the blocks parameter) and is made up of /dev/sda1 and /dev/sdb1. You can see that md5 is a raid1 array and made up of disk /dev/sda partition 7, and /dev/sdb partition 7, containing 62685504 blocks, with 2 out of 2 disks available and both in sync. You can also see in the three example meta devices that there are two raid 1 mirrored meta devices. Md6 : active raid5 sdc1 sde1 sdd1ĩ76767872 blocks level 5, 64k chunk, algorithm 2 įrom this information you can see that the available personalities on this machine are "raid1, raid6, raid4, and raid5" which means this machine is set-up to use raid devices configured in a raid1, raid6, raid4 and raid5 configuration. Two useful commands to check the status are: cat /proc/mdstatĮxample output: Personalities : Provided the RAID is working fine this can be fixed with: sudo update-initramfs -k all -uįor those that want full control over the RAID configuration, the mdadm CLI provides this. Swap space doesn't come up, error message in dmesg
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