Re: discuss about commit 3b0f9ce: filter-mpath: get wwids from sysfs vpd_pg83

Dne 16. 11. 23 v 14:46 Martin Wilck napsal(a):
> On Thu, 2023-11-16 at 14:37 +0100, Zdenek Kabelac wrote:
>> Current upstream has set this default value as 0  (in configure.ac)
>>
>> RHEL builds use this setting as 1.  (Possibly even Fedora nowadays).
>>
>> The major problem with turning this  to 1 is the distribution must be
>> 'ready'
>> with such relatively invasive change as it changes also requirements
>> on how
>> the boot image is created  (devicesfile must be copied to ramdisk).
>>
>> So Suse  may try to set this setting  to 1  and see what all breaks.
> ... and the man page may need fixing?


Yep - quite likely it would deserve some chapter in 'lvm' man page.

Worth to be noted - existing filters are not going anywhere out -  devicesfile 
is jiust another mechanism how to limit device set.

For some cases  devicesfile present a more simple way - for some others - 
filters are clearly a better mechanism which doesn't require updating files in 
the filesystem.

Both filtering systems should be equivalent and work equally well - there is 
no plan to phase out existing filter logic.


Zdenek