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  1. #16
    Join Date
    Sep 2017
    Location
    Other Planet
    Posts
    10

    Re: Fedora 26, FakeRAID, unrecognised m.2 SSD

    One step closer! With release of Fedora 27, I was able to load live disk and see other sata drives connected!
    Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: gpt
    Disk identifier: CCBABB88-2024-4BFF-BC98-DC35DD71CD19

    Device Start End Sectors Size Type
    /dev/sda1 34 262177 262144 128M Microsoft reserved
    /dev/sda2 264192 1953521663 1953257472 931.4G Microsoft basic data


    Disk /dev/sdb: 30 GiB, 32262586368 bytes, 63012864 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: dos
    Disk identifier: 0x2563bf1a

    Device Boot Start End Sectors Size Id Type
    /dev/sdb1 * 0 3186687 3186688 1.5G 0 Empty
    /dev/sdb2 113104 131123 18020 8.8M ef EFI (FAT-12/16/32)
    /dev/sdb3 131124 169251 38128 18.6M 0 Empty


    Disk /dev/loop0: 1.4 GiB, 1535807488 bytes, 2999624 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes


    Disk /dev/loop1: 6.5 GiB, 6981419008 bytes, 13635584 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes


    Disk /dev/loop2: 32 GiB, 34359738368 bytes, 67108864 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes


    Disk /dev/mapper/live-rw: 6.5 GiB, 6981419008 bytes, 13635584 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes


    Disk /dev/mapper/live-base: 6.5 GiB, 6981419008 bytes, 13635584 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    will try to install there and will see how it will go from there!
    Once again thank you for your help!!!!

  2. #17
    Join Date
    Aug 2007
    Posts
    162

    Re: Fedora 26, FakeRAID, unrecognised m.2 SSD

    One step closer! With release of Fedora 27, I was able to load live disk and see other sata drives connected!
    This is good but I have two large questions. You have a RAID0 and you mentioned that you added a new SATA SSD just for Linux. You are apparently finding only one large 932 GiB drive sda which has Windows and 30 GiB sdb which looks to be your USB drive.

    Q1: What has happened to the new SATA SSD you installed ?

    Q2: Is F27 somehow detecting the RAID0 NVMe array transparently as a single drive as it would with true hardware RAID ? With fakeRAID both NVMe drives would be seen as sda and sdb and you would access the array with a /dev/mapper entry. Or is F27 detecting only one of the drives ?

    To test this you could try reading from sda from the live USB by mounting sda as read only. If you can read directories and files then it must be accessing both drives in the striped array as reading from only one drive of a striped array would have only half the information.

  3. #18
    Join Date
    Sep 2017
    Location
    Other Planet
    Posts
    10

    Re: Fedora 26, FakeRAID, unrecognised m.2 SSD

    ok i will try to explain more clearly.

    My setup was:

    -raid0 (windows)
    --m.2 1 250GB
    --m.2-2 250GB

    -Sata SSD 1TB (Documents)

    all drives run thru Intel RST, so they were not recognised at all. except my usb live disk.
    in Fedora 27, my SATA SSD 1TB appeared, so I added another m.2 drive to install Fedora 27. so now my setup is:

    -raid0 (windows)
    --m.2 1 250GB
    --m.2-2 250GB

    --m.2 250GB (fedora 27)

    -Sata SSD 1TB (Documents)

    so answer to question2 is sadly, i'm still unable to see raid0, but it's now detecting other drives in my system.
    also, to boot linux I have choose F11 in bios to enter boot options as there is no way to install grub in raid0. It bit a hassle but it's fine.

  4. #19
    Join Date
    Dec 2012
    Location
    santa barbara, CA
    Posts
    409

    Re: Fedora 26, FakeRAID, unrecognised m.2 SSD

    Can you try an FC25 instead of FC27 ? I just had a problem with the Disk Config in FC27, so I reverted to installing FC25, and then upgrading with "fedup".

    Also, could you try setting your BIOS into "Legacy boot" mode ? ...just a thought. It helped me long ago when trying to install on a laptop over a hardware raid 1.
    "monsters John ... monsters from the ID..."
    "ma vule teva maar gul nol naya"

  5. #20
    Join Date
    Aug 2007
    Posts
    162

    Re: Fedora 26, FakeRAID, unrecognised m.2 SSD

    Can you try an FC25 instead of FC27 ? I just had a problem with the Disk Config in FC27, so I reverted to installing FC25, and then upgrading with "fedup".
    If you had read the whole thread including the last post the OP has now successfully installed F27 on a new M.2 NVMe SSD. It didn't work at all with F26. Also fedup is obsolete and has not been used since F21. The new method is dnf system upgrade. Therefore you couldn't upgrade from F25 using fedup as it is no longer used.

    https://fedoraproject.org/wiki/DNF_system_upgrade

    By the way what are FC25 and FC27 ? Fedora Core ? It has been just Fedora since Fedora 7 released in May 2007. Therefore your terminology is over 10 years out of date.

    Also, could you try setting your BIOS into "Legacy boot" mode ? ...just a thought. It helped me long ago when trying to install on a laptop over a hardware raid 1.
    This won't work for the OP as they would have to re-install Windows into Legacy CSM mode which may not be possible.

    Also fakeRAID is not real hardware RAID.
    Last edited by amiga; Today at 07:21 AM.

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