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# Query the RAID's details such as chunk size, layout, etc. mdadm --create /dev/md0 -l6 -n8 -c64 --layout=la --metadata=1.0 --assume-clean /dev/sda1 /dev/sdb1 /dev/sdc1 ....

== Raid layout == ...tem is over LVM and/or RAID, the code looks at the setup and optimises the layout.

To fix this, a new version of the superblock was defined, version 1. The layout is common across all subversions, 1.0, 1.1 and 1.2. Autoassembly by the ker .... Raid 10 stores the same chunk repeatedly across several drives. The near layout writes N copies of each block consecutively across X drives so we get

...n for "swap" and "home". You may have a different layout. Just go with the layout to which you are accustomed. It should work. ...s /dev/sda and that the new drive comes up as /dev/sdb, copy the partition layout from /dev/sda to /dev/sdb so that you have identical partition layouts on e

layout of partitions of the first disk, set the type of each partition etc for thi then copy the final layout to another disk with a single sfdisk command.

*The layout of your array if using RAID5, RAID6, or RAID10 (generally left-symmetric by mdadm --create /dev/md0 --level=5 --chunk=512K --metadata=1.2 --layout left-symmetric --data-offset=262144s --raid-devices=3 /dev/mapper/sdd1 /dev

On an f2 layout, this will read one drive from halfway to the end, possible raid10 layout, even though it might not be optimal for some

Layout : left-symmetric ...controller which had an upper limit on about 350 MB/s. It is unclear which layout was used with RAID-10.

Answer 6: The raid10 layout actually makes sense with only 2 disks, the FAQ says 3 disks are needed. Al ... Linux kernel raid10 technology, but to RAID1+0 versus RAID0+1 nested raid layout.

* RAID-10 has a layout ("far") which can provide sequential read throughput that scales by number ...re all striped arrays, built on lower arrays. As your arrays get bigger, a layout like this will reduce the stress when a disk fails, as only the lower array

= Planning the layout = Once you have decided on your layout, partition all your boot drives identically. If you are using a separate ar

... only be for data recovery purposes. Never do it as part of a planned data layout, only as a temporary measure to get out of a hole.) ...moving disks, and as raids 1, 10, 4, 5 and 6 all have modes where the disk layout is identical across two or more raid levels (for example, a two-disk raid-1

* [[layout]]

both disks to have the same partition layout, using fdisk to ensure

* RAID-10 has a layout ("far") which can provide sequential read throughput that scales by number

disk layout changes after the filesystem has been created.

Layout : left-symmetric

This line provides some basic data about the fixed size and layout: it indicates

both disks to have the same partition layout, using fdisk to ensure

...serious possibility of data loss. But don't lose hope yet. Do you know the layout of your array? What drives are missing? Why?