On 10/2/19 10:22 PM, Ljubomir Ljubojevic wrote: > On 10/2/19 9:47 PM, Jonathan Billings wrote: >> On Oct 2, 2019, at 3:39 PM, Ljubomir Ljubojevic <centos at plnet.rs> wrote: >>> Richard on CentOS-devel mailing list has similar problem but suggests it >>> might be issue only with CentOS, he says he had to add the kernel line >>> to make it work. >>> Name of the tread is: >>> [CentOS-devel] Booting CentOS 8 in a VM - can't find the disk >> >> >> If you’re talking about this: >> >> https://lists.centos.org/pipermail/centos-devel/2019-October/017882.html <https://lists.centos.org/pipermail/centos-devel/2019-October/017882.html> >> >> … then I think it’s unlikely to be related to missing drivers for a RAID controller on a SuperMicro system. >> > > I saw it uses Intel hdd controler so I thought it could be similar. > > Here is solution for instaling CentOS 8 on Dell T610 with SAS controler > (copied from Mike Chan): > > Intro: > > ** Keyword: CentOS 8 LSI SAS2 > Trying CentOS 8 on an old machine (Dell T610) but the installer can't > find disks for installation. > > It turns out that the RH removed the support for LSI SAS2 controllers in > the mpt3sas driver. > > I've found some articles about this, and is trying to install with > elrepo-provided DUD (driver update disk). > > Will update the results and the procedure if succeeded. > > At least it can serves as a warning to those with said SAS controllers. > How to see if your HDD controler is not supported: You can check by running the lspci command (lspci -nn) and compare it with Red Hats list of removed ID's: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/considerations_in_adopting_rhel_8/hardware-enablement_considerations-in-adopting-rhel-8#removed-adapters_hardware-enablement Here is the list of all (so far created) the DUD's for EL8: https://elrepo.org/linux/dud/el8/x86_64/ And here is ElRepo page http://elrepo.org/tiki/DeviceIDs that shows all the drivers ElRepo has the drivers for, and can create DUD ISO files if asked via ElRepo bugzila: https://elrepo.org/bugs/main_page.php > > Solution: > > Reference: > https://elrepoproject.blogspot.com/2019/08/rhel-80-and-support-for-removed-adapters.html > > Here's the procedure: > 1. prepare a install media and a flash drive, formatted with fat32, and > copy the DUD iso file into the flash drive: > https://elrepo.org/linux/dud/el8/x86_64/dd-mpt3sas-27.101.00.00-1.el8_0.elrepo.iso. > You can also use tools to create a bootable install flash drive, and use > it as the DUD drive. > No need to process the iso; just place it in the drive. > > 2. boot with the install media, and hit tab key in the boot menu, add > 'inst.dd' to the command line, and then boot it. > > 3. the installer will ask for a DUD before getting into the GUI. > It will list the block devices it found, find the one with vfat - that's > your flash drive. > Then it will list DUD isos it found on the drive, enter the number of > the entry, then a "checkbox" will appear before the entry. > Enter the number again so the "checkbox" is checked with a x. Now enter > "c" to contiune. > > 4. If everything works, you'll have your disks visible to the installer. > Install it as usual. > > 5. The booting should has no problem, but DO NOT update kernel just yet. > According to the reference page, the dracut tool in RHEL / CentOS 8.0 is > bugged and will NOT include the extra driver to the updated initrd. This > will make the new kernel unbootable. > Setup network to download the patched dracut tools first, or copy it > from other computer with flash drive: > http://elrepo.org/people/akemi/testing/el8/dracut/ > Then install them with: > rpm -Uvh (downloaded rpm files). > > 6. Now you can update the kernel. > > In my case, I'm using the card in IT mode; the disks are not set into > RAID with the card, so only the mpt3sas DUD is required. > If you have a IR mode (RAID via the controller) configuration, you may > need the megaraid-sas DUD too. > > Original post with solution: > https://www.facebook.com/groups/centosproject/permalink/10157729112557728/?comment_id=10157729981242728 > > > >> -- >> Jonathan Billings <billings at negate.org> >> >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos >> > > -- Ljubomir Ljubojevic (Love is in the Air) PL Computers Serbia, Europe StarOS, Mikrotik and CentOS/RHEL/Linux consultant