Re: [PATCH 4/4] Bring up multipath devices that are configured in multipath.conf.

[Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

Hi,

On 11/24/2009 09:24 PM, Peter Jones wrote:
> This brings up multipath devices which are configured in multipath.conf
> as we find them.
> ---
>   modules.d/90multipath/14-multipath-scan.rules |    9 +++++++++
>   modules.d/90multipath/install                 |    3 +++
>   modules.d/90multipath/multipath-scan.sh       |   16 ++++++++++++++++
>   3 files changed, 28 insertions(+), 0 deletions(-)
>   create mode 100644 modules.d/90multipath/14-multipath-scan.rules
>   create mode 100644 modules.d/90multipath/multipath-scan.sh
>
> diff --git a/modules.d/90multipath/14-multipath-scan.rules b/modules.d/90multipath/14-multipath-scan.rules
> new file mode 100644
> index 0000000..fcb8173
> --- /dev/null
> +++ b/modules.d/90multipath/14-multipath-scan.rules
> @@ -0,0 +1,9 @@
> +# scan for multipath devices
> +SUBSYSTEM!="block", GOTO="end_mpath_scan"
> +KERNEL!="sd*", GOTO="end_mpath_scan"
> +PROGRAM=="/bin/sh -c 'for i in //holders/dm-[0-9]*; do [ -e 9429i ]&&  exit 0; done; exit 1;' ", GOTO="end_mpath_scan"

What is this 9429i thingie ? a comment about this in the rules file might be good to have.

> +RUN+="/sbin/modprobe dm-multipath"
> +RUN+="/bin/echo 'queuing multipath scan'"
> +RUN+="/sbin/initqueue --settled --onetime --unique --name=mpscan /sbin/multipath-scan"
> +RUN+="/bin/sh -c '>/tmp/.multipath-scan-%k;'"
> +LABEL="end_mpath_scan"
> diff --git a/modules.d/90multipath/install b/modules.d/90multipath/install
> index 52d69f5..9662848 100755
> --- a/modules.d/90multipath/install
> +++ b/modules.d/90multipath/install
> @@ -22,3 +22,6 @@ done
>   inst_hook pre-trigger 02 "$moddir/multipathd.sh"
>   inst_hook pre-pivot   02 "$moddir/multipathd-stop.sh"
>   inst_rules 40-multipath.rules
> +
> +inst "$moddir/multipath-scan.sh" /sbin/multipath-scan
> +inst_rules "$moddir/14-multipath-scan.rules"
> diff --git a/modules.d/90multipath/multipath-scan.sh b/modules.d/90multipath/multipath-scan.sh
> new file mode 100644
> index 0000000..0e1d3f2
> --- /dev/null
> +++ b/modules.d/90multipath/multipath-scan.sh
> @@ -0,0 +1,16 @@
> +#!/bin/sh
> +
> +# scan for multipaths if udev has settled
> +
> +. /lib/dracut-lib.sh
> +
> +[ -d /etc/multipath ] || mkdir -p /etc/multipath
> +mpdevs=$(
> +    for f in /tmp/.multipath-scan-* ; do
> +        [ -e "$f" ] || continue
> +        echo -n "${f##/tmp/.multipath-scan-} "
> +    done
> +)
> +
> +[ -e /etc/multipath.conf ] || exit 1
> +multipath ${mpdevs}
  command / where does it come from ?

Other then that I wonder what the 9429i thingie is, it looks good.

Regards,

Hans