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Thread: Intel RST RAID support on Ubuntu AFTER installation

  1. #1
    Join Date
    May 2021
    Beans
    2

    Intel RST RAID support on Ubuntu AFTER installation

    My goal is to create RAID 0 disk - unfortunately mdadm is not meeting performance expectations, and as far I understand I cannot create AHCI RAID with m.2 NVME disks. Hence, Intel RST is the last option


    Google is flooded with guides about how to disable RST to enable ubuntu installation, but what about support AFTER installation? My RST drive is fully visible and operational in Windows, but undetected by Ubuntu Disk Manager. However, it appears in lshw:

    Code:
        *-raid
                 description: RAID bus controller
                 product: SATA Controller [RAID mode]
                 vendor: Intel Corporation
                 physical id: 17
                 bus info: pci@0000:00:17.0
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: raid msix pm bus_master cap_list
                 configuration: driver=ahci latency=0
                 resources: irq:16 memory:694b0000-694b7fff memory:694c3000-694c30ff ioport:3090(size=8) ioport:3080(size=4) ioport:3060(size=32) memory:69400000-6947ffff
            *-pci:0
                 description: PCI bridge
                 product: Intel Corporation
                 vendor: Intel Corporation
                 physical id: 1c
                 bus info: pci@0000:00:1c.0
                 version: f0
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:122
            *-pci:1
                 description: PCI bridge
                 product: Intel Corporation
                 vendor: Intel Corporation
                 physical id: 1c.1
                 bus info: pci@0000:00:1c.1
                 version: f0
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:123 memory:69100000-693fffff

    Is there any option to enable this disk?

  2. #2
    Join Date
    Feb 2011
    Location
    Coquitlam, B.C. Canada
    Beans
    2,948
    Distro
    Ubuntu Development Release

    Re: Intel RST RAID support on Ubuntu AFTER installation

    did you see this? I don't know if helps with your issue or not.
    Any follow-up information on your issue would be appreciated. Please have the courtesy to report back.

  3. #3
    Join Date
    May 2021
    Beans
    2

    Re: Intel RST RAID support on Ubuntu AFTER installation

    Unfortunately yes, it only explains how to Install ubuntu and repair Windows, 0 information how to use RST after installation.

  4. #4
    Join Date
    Oct 2004
    Location
    Albuquerque New Mexico, U
    Beans
    1,166
    Distro
    Ubuntu Development Release

    Re: Intel RST RAID support on Ubuntu AFTER installation

    IRST requires a kernel driver, but Intel has yet to make the code available under a Linux compatible license. Ball is in their court.
    regards

  5. #5
    Join Date
    Jun 2009
    Location
    SW Forida
    Beans
    Hidden!
    Distro
    Ubuntu

    Re: Intel RST RAID support on Ubuntu AFTER installation

    Why RAID 0 with NVMe?

    Typically RAID 0 is not recommended.
    It was used with slow HDD, for compiling large applications or uses where data is stored on servers, so loss of install not a big issue when one drive fails.
    Depending on motherboard & NVMe drives, you may be limited on bandwidth.

    Have you updated UEFI and SSD firmware to latest available?

    Where did you see you had to use Intel RAID with NVMe drives?
    Most of the info from Intel is for Server motherboards as that is where RAID is more common.

    Don't bother with RAID 0 unless you have a specific need for speed without data redundancy, since if one drive goes out, you lose the whole array.
    https://ubuntuforums.org/showthread.php?t=2444499
    http://en.wikipedia.org/wiki/RAID
    http://www.smallnetbuilder.com/nas/n...-is-not-backup
    SSD better than RAID 0
    https://ubuntuforums.org/showthread.php?t=2435221
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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