Bug#858344: mdadm: Please allow suppressing initramfs warning about active arrays that are not listed in mdadm.conf

[Benjamin Drung]

Package: mdadm
Version: 3.4-4
Severity: wishlist

Hi,

The initramfs hook (debian/initramfs/hook) contains following check:

    # make sure the configuration file knows about all running devices
    /sbin/mdadm --detail --scan | while read array device params; do
            uuid=${params#*UUID=}; uuid=${uuid%% *}
            if ! grep -qi "UUID=$uuid" $DESTMDADMCONF; then
                    warn "the array $device with UUID $uuid"
                    warn "is currently active, but it is not listed in mdadm.conf. if"
                    warn "it is needed for boot, then YOUR SYSTEM IS NOW UNBOOTABLE!"
                    warn "please inspect the output of /usr/share/mdadm/mkconf, compare"
                    warn "it to $CONFIG, and make the necessary changes."
            fi
    done

We have a setup, where we need exactly one mdadm array for booting, but
assemble more arrays dynamically while running. Thus we will get the
warning message above (multiple times) when running 'update-initramfs
-u'.

This warning irretates us and clutters the output (and maybe causes us
to not see important warnings). Thus please add an option to silince
these kind of warnings (as long as there is one existing array specified
in mdadm.conf).

-- 
Benjamin Drung
System Developer
Debian & Ubuntu Developer

ProfitBricks GmbH
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