Re: [linux-lvm] pvscan: /dev/sdc: open failed: No medium found

[David Teigland <teigland@redhat.com>]

On Mon, Apr 22, 2019 at 11:15:53PM -0600, Gang He wrote:
> Hello List,
> 
> One user complained this error message.
> The user has a usb sd card reader with no media present.  When they issue a pvscan under lvm2-2.02.180 the device is opened which results in 'No medium found' being reported. 
> But lvm2-2.02.120 did not do this (the device appears to get filtered out earlier). The customer views the 'No medium found' message as an issue/bug.
> Any suggest/comments for this error message?
> 
> The detailed information is as below,
> lvm2 2.02.180-9.4.2
> OS: SLES12 SP4
> Kernel 4.12.14-95.3-default
> Hardware: HP ProLiant DL380 Gen10
> 
> After upgrade from sles12SP3 to SP4, customer is reporting the following error message:
> 
>  # pvscan
>  /dev/sdc: open failed: No medium found
>  PV /dev/sdb   VG Q11vg10         lvm2 [5.24 TiB / 2.00 TiB free]
>  Total: 1 [5.24 TiB] / in use: 1 [5.24 TiB] / in no VG: 0 [0   ]

I've heard this a few times now, I guess we should drop it, it's probably
more trouble than help.