Re: Problem accessing lvm on nvme drive

[Robert McBroom via users <users@xxxxxxxxxxxxxxxxxxxxxxx>]

On 7/15/25 8:24 AM, Roger Heflin wrote:

> On Mon, Jul 14, 2025 at 11:51 PM Robert McBroom via users
> <users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> >       
> and /dev/nvme0n1p6
>     
    while pasting got a line feed in the text
> >           LVM2_mem LVM2 001                  lQ45eA-ARYv-JiVX-JRjR-eyHl-NCXO-vkB2m0
> >
> >  ~# lvmdiskscan -l
> >
> >  WARNING: only considering LVM devices
> >  0 LVM physical volume whole disks
> >
> >  0 LVM physical volumes
> >
> >
> > pvs and vgs just return. on the system that sees the drives I get
> >
> > nvme0n1
> > ├─nvme0n1p1
> > ├─nvme0n1p2    ntfs                 Space            6C8EF2E161A652CA
> > ├─nvme0n1p3    vfat        FAT32                     663E-94E3
> > ├─nvme0n1p4    xfs                                   241ab641-a6b2-4979-9864-9d1d08db2d61
> > ├─nvme0n1p5    LVM2_member LVM2 001                  v1gXoi-sKLO-fS0t-oKxo-en1J-7vOu-BH8Hal
> > │ └─fedora_
> > │              xfs                                   43c752f2-3963-4859-a4d6-8669482d51fb
> > └─nvme0n1p6    LVM2_member LVM2 001                  lQ45eA-ARYv-JiVX-JRjR-eyHl-NCXO-vkB2m0
> >   └─fedora_
> >                xfs                                   43c752f2-3963-4859-a4d6-8669482d51fb
> >
> >
> > --
> >       
> what does "cat /proc/cmdline" show?
>
>
>
>
>
>
>
> :~$ cat /proc/cmdline
>     
    :~$ cat
        /proc/cmdline
      
      BOOT_IMAGE=/vmlinuz.alt
        root=/dev/sda6 ro rd.driver.blacklist=nouveau
        modprobe.blacklist=nouveau nvidia-dr
      m.modeset=1 initcall_blacklist=simpledrm_platform_driver_init
      SYSFONT=latarcyrheb-sun16 LANG=en_US.UTF-8
> grep filter /etc/lvm/*.conf
>     
    ~# grep filter
        /etc/lvm/*.conf
      
      /etc/lvm/lvm.conf:      # Configuration
        option devices/filter.
      
      /etc/lvm/lvm.conf:      # Run vgscan
        after changing the filter to regenerate
        the cache.
      
      /etc/lvm/lvm.conf:      # filter = [ "a|.*|" ]
      
      /etc/lvm/lvm.conf:      # filter = [
        "r|/dev/cdrom|" ]
      
      /etc/lvm/lvm.conf:      # filter = [ "a|loop|",
        "r|.*|" ]
      
      /etc/lvm/lvm.conf:      # filter = [ "a|loop|",
        "r|/dev/hdc|", "a|/dev/ide|", "r|.*|" ]
      
      /etc/lvm/lvm.conf:      # filter = [
        "a|^/dev/hda8$|", "r|.*|" ]
      
      /etc/lvm/lvm.conf:      # filter = [ "a|.*|" ]
      
      /etc/lvm/lvm.conf:      # Configuration
        option devices/global_filter.
      
      /etc/lvm/lvm.conf:      # Because
        devices/filter may be
        overridden from the command line, it is
      
      /etc/lvm/lvm.conf:      # not suitable
        for system-wide device filtering, e.g. udev.
      
      /etc/lvm/lvm.conf:      # Use global_filter to hide devices
        from these LVM system components.
      
      /etc/lvm/lvm.conf:      # The syntax is
        the same as devices/filter. Devices
        rejected by
      
      /etc/lvm/lvm.conf:      # global_filter are not opened
        by LVM.
      
      /etc/lvm/lvm.conf:      # global_filter = [ "a|.*|" ]
      
      /etc/lvm/lvm.conf:      # This is a
        quick way of filtering out block
        devices that are not
      
      /etc/lvm/lvm.conf:      # devices file
        or the filter. This option
        does not enable autoactivation
      
      /etc/lvm/lvm.conf:      # Configuration
        option activation/mlock_filter.
      
      /etc/lvm/lvm.conf:      # mlock_filter = [
        "locale/locale-archive", "gconv/gconv-modules.cache" ]
      
      
> lvmdiskscan -d -v
>     
    :~# lvmdiskscan -d
        -v
      
        0 disks
      
        0
        partitions
      
        0 LVM
        physical volume whole disks
      
        0 LVM
        physical volumes
      
      
    
  

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