Re: [PATCH 1/8] Changes for using mdadm for isw_raid_member

[Jacek Danecki <Jacek.Danecki@xxxxxxxxx>]

Hans de Goede wrote:
> Hi,
>
> What will this do when run with an unpatched mdadm ?
mdadm-3.0-devel3 don't have support for -E --export option for imsm, 
so without patch for it we don't have variables: MD_LEVEL, MD_UUID, MD_DEVICES in udev

Below is patch for mdadm.

diff --git a/super-intel.c b/super-intel.c
index b47371e..904b0e4 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -742,6 +742,19 @@ static void brief_examine_super_imsm(struct supertype *st)
       }
}

+static void export_examine_super_imsm(struct supertype *st)
+{
+       struct mdinfo info;
+       char nbuf[64];
+
+       getinfo_super_imsm(st, &info);
+       fname_from_uuid(st, &info, nbuf, ':');
+       
+    printf("MD_LEVEL=container\n");
+    printf("MD_UUID=%s\n", nbuf+5);
+    printf("MD_DEVICES=%u\n", ((struct intel_super*) st->sb)->anchor->num_disks);
+}
+
static void detail_super_imsm(struct supertype *st, char *homehost)
{
       struct mdinfo info;
@@ -4418,6 +4431,7 @@ struct superswitch super_imsm = {
#ifndef        MDASSEMBLE
       .examine_super  = examine_super_imsm,
       .brief_examine_super = brief_examine_super_imsm,
+       .export_examine_super = export_examine_super_imsm,
       .detail_super   = detail_super_imsm,
       .brief_detail_super = brief_detail_super_imsm,
       .write_init_super = write_init_super_imsm,

> Regards,
>
> Hans
>
> On 04/08/2009 03:05 PM, Jacek Danecki wrote:
> > Here is the series of 8 patches rebased to version: 11.5.0.41-1
> > Older patches are obsolete.
> >
> > New udev rule for using mdadm for isw_raid_member
> >
> > diff --git a/70-anaconda.rules b/70-anaconda.rules
> > index 374b63a..8520030 100644
> > --- a/70-anaconda.rules
> > +++ b/70-anaconda.rules
> > @@ -46,6 +46,7 @@ ENV{ID_FS_USAGE}=="filesystem|other",
> > ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk
> > LABEL="anaconda_mdraid_member"
> > # probe raid metadata of mdraid member devices
> > ENV{ID_FS_TYPE}=="linux_raid_member",
> > IMPORT{program}="$env{ANACBIN}/mdadm --examine --export $tempnode"
> > +ENV{ID_FS_TYPE}=="isw_raid_member",
> > IMPORT{program}="$env{ANACBIN}/mdadm --examine --export $tempnode"
> >
> > # probe metadata of LVM2 physical volumes
> > ENV{ID_FS_TYPE}=="LVM2_member", IMPORT{program}="$env{ANACBIN}/lvm pvs
> > --units k --nosuffix --nameprefixes --rows --unquoted --noheadings
> > -opv_name,pv_uuid,pv_size,vg_name,vg_uuid,pv_pe_count,pv_pe_alloc_count,pe_start
> > $tempnode"
> > _______________________________________________
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> > https://www.redhat.com/mailman/listinfo/anaconda-devel-list
>
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