Installing Debian Stretch on RAID 10 array. Hello, After trying a couple of times to install debian on a RAID 10 array (mdadm) I still failed to install the GRUB bootloader on the array. From what I have read the UEFI partition and the /boot partition must be on a RAID 1 partition. It's software raid (mdadm) which is used during the. So, first thing to do - is get a fresh proxmox install, I'm using 5.2-1 at the time of writing. /dev/sda3 55996751 931.3G Linux LVM. Once mdadm is installed, lets create the raid1 (we'll create an array.
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You have two RAID items on that motherboard:. The LSI 1068E 8-Port SAS Controller; RAID 0, 1, 10; RAID 5 optional.This is the hardware RAID which you want to use.
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6x SATA2 (3 Gbps) Ports via ICH10R Controller.The ICH10R has software RAID. This is not the one you want.The reseller link you provided leads to a drivers for the fake-RAID.The other link you provided lead to the motherboard and its manual.From the motherboard manual, page 2-35:In addition to SATA connections an LSI 1068E SAS controller and eight SAS connectors are located on the X8DA3.
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This page describes how to install Debian using the Serial ATA RAID (aka fake RAID, BIOS RAID) feature provided by your SATA disk controller. These are controllers that advertise RAID functions but are not supported by a hardware chip for parity.
Not to be confused with the Linux kernel's software RAID feature (Multidisk Device). This is the preferable and more reliable method to establish software RAID arrays.
See the Debian installation guide for more information.
Use the following method only if you want to have a dual-boot system with Debian and the other operating system on the same Serial ATA RAID:
Troubleshooting / Alternatives (mdadm)
An alternative for dmraid is mdadm. For that, install the package mdadm and set mdadm=true as kernel parameter in your grub configuration (GRUB_CMDLINE_LINUX_DEFAULT='quiet mdadm=true' in /etc/default/grub). Run update-grub after making the changes and amend /etc/fstab to match the new devices such as e.g. /dev/dm126p9, boot into Rescue Mode, investigate and amend this paragraph as you go along, please.
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