I would like to make a boot RAID0 LVM on a pair of SSDs (sdc and sdd). The system is already running off of a HDD. I built the RAID0 through the Asus BIOS on the Intel controller. I see:
# cat /proc/mdstat
Personalities : [raid0]
md124 : active raid0 sdc[1] sdd[0]
59346944 blocks super external:/md126/0 32k chunks
md125 : active raid0 sda[1] sdb[0]
222715904 blocks super external:/md127/0 32k chunks
md126 : inactive sdc[1](S) sdd[0](S)
6306 blocks super external:imsm
md127 : inactive sdb[1](S) sda[0](S)
6306 blocks super external:imsm
My challenge is that when I open Gparted, it only show one disk at a time. I would like to learn how to use Gparted to partition this RAID0 with a UEFI sector and LVM for the rest.
Please suggest how I may get this started.
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Gparted for MB RAID
Re: Gparted for MB RAID
I found that GParted does not presistently present a list of all devices, but produces a dropdown list of all of them which allows for a selection of one. This was a lesson in patience: Look at what is presented and understand it. While command help describes how to use a function, it does not describe the meaing.
Specificly: mdxx is the RAID, the sdxx and sdxy are the devices in the RAID.
While it was presented plainly from mdstat, I did not understand that dmxxx represented the individual arrays.
https://raid.wiki.kernel.org/index.php/Mdstat Two lessons in one:
This page describes the meaning of the mdstat output, and the meaning of mdxxx, 'multiple device' - the array.
This site also provides a FAQ which brings into question the viability of using the motherboard based RAID. Mostly, there is no garauntee the RAID can be readable from anyother controller. This is one reason I am here now. My MSI BB motherboard melted, they did not have a replacement 2 years later. So I bought an Asus. If I had used the MSI RAID, I may have also lost the data on it if the Asus could not read it. I still need to consider the ramifications before making that choice. This RAID will hold the OS and data which is backed up elsewhere. But that is for another thread.
But I will experiment. I will remove the RAID via the MB BIOS and build it in the kernal and see if other issues are resolved.
Specificly: mdxx is the RAID, the sdxx and sdxy are the devices in the RAID.
While it was presented plainly from mdstat, I did not understand that dmxxx represented the individual arrays.
https://raid.wiki.kernel.org/index.php/Mdstat Two lessons in one:
This page describes the meaning of the mdstat output, and the meaning of mdxxx, 'multiple device' - the array.
This site also provides a FAQ which brings into question the viability of using the motherboard based RAID. Mostly, there is no garauntee the RAID can be readable from anyother controller. This is one reason I am here now. My MSI BB motherboard melted, they did not have a replacement 2 years later. So I bought an Asus. If I had used the MSI RAID, I may have also lost the data on it if the Asus could not read it. I still need to consider the ramifications before making that choice. This RAID will hold the OS and data which is backed up elsewhere. But that is for another thread.
But I will experiment. I will remove the RAID via the MB BIOS and build it in the kernal and see if other issues are resolved.