RE: How to recreate a dmraid RAID array with mdadm

To: <neilb@suse.de>
Cc: <linux-raid@vger.kernel.org>, <debian-user@lists.debian.org>
Subject: RE: How to recreate a dmraid RAID array with mdadm
From: Mike Viau <viaum@sheridanc.on.ca>
Date: Wed, 17 Nov 2010 19:56:10 -0500
Message-id: <[🔎] BAY148-w607755AA342EF4ACCCC9A5EF390@phx.gbl>
In-reply-to: <[🔎] 20101118111149.7b5004a2@notabene.brown>
References: <[🔎] BAY148-w65577551281F75C185BEBEF380@phx.gbl>,<[🔎] 20101117141514.759d9eea@notabene.brown>,<[🔎] BAY148-w18A88E7D84CE0213B44F26EF380@phx.gbl>,<[🔎] 20101118111149.7b5004a2@notabene.brown>

> On Thu, 18 Nov 2010 11:11:49 +1100 <neilb@suse.de> wrote:
>
> > On Wed, 17 Nov 2010 17:36:23 -0500 Mike Viau  wrote:
> >
> > > On Wed, 17 Nov 2010 14:15:14 +1100
> > >
> > > This looks wrong. mdadm should be looking for the container as listed in
> > > mdadm.conf and it should find a matching uuid on sda and sdb, but it doesn't.
> > >
> > > Can you:
> > >
> > > mdadm -E /dev/sda /dev/sdb ; cat /etc/mdadm/mdadm.conf
> > >
> > > so I can compare the uuids?
> > >
> >
> > Sure.
> >
> > # definitions of existing MD arrays ( So you don't have to scroll down :P )
> >
> > ARRAY metadata=imsm UUID=084b969a:0808f5b8:6c784fb7:62659383
> >
> > ARRAY /dev/md/OneTB-RAID1-PV container=084b969a:0808f5b8:6c784fb7:62659383 member=0 UUID=ae4a1598:72267ed7:3b34867b:9c56497a
> >
> ....
> >            UUID : 084b969a:0808f5b8:6c784fb7:62659383
> > [OneTB-RAID1-PV]:
> >            UUID : ae4a1598:72267ed7:3b34867b:9c56497a
> ....
>
> Yes, the uuids are definitely all correct.
> This really should work. I just tested a similar config and it worked
> exactly as exported.
> Weird.
>
> Whatever version of mdadm are you running???
> Can you try getting the latest (3.1.4) from
> http://www.kernel.org/pub/linux/utils/raid/mdadm/

I am running the same version, from a Debian Squeeze package which I presume is the same.

mdadm -V

mdadm - v3.1.4 - 31st August 2010

>
> and see how that works.
> Just
> make
> ./mdadm -Asvv

Regardless, I did recompile (attached is the make output -- no errors) and got similar mdadm output:

./mdadm -Asvv
mdadm: looking for devices for further assembly
mdadm: no RAID superblock on /dev/md126p1
mdadm: /dev/md126p1 has wrong uuid.
mdadm: no RAID superblock on /dev/md/OneTB-RAID1-PV
mdadm: /dev/md/OneTB-RAID1-PV has wrong uuid.
mdadm: no RAID superblock on /dev/dm-3
mdadm: /dev/dm-3 has wrong uuid.
mdadm: no RAID superblock on /dev/dm-2
mdadm: /dev/dm-2 has wrong uuid.
mdadm: no RAID superblock on /dev/dm-1
mdadm: /dev/dm-1 has wrong uuid.
mdadm: no RAID superblock on /dev/dm-0
mdadm: /dev/dm-0 has wrong uuid.
mdadm: no RAID superblock on /dev/loop0
mdadm: /dev/loop0 has wrong uuid.
mdadm: cannot open device /dev/sdc7: Device or resource busy
mdadm: /dev/sdc7 has wrong uuid.
mdadm: cannot open device /dev/sdc6: Device or resource busy
mdadm: /dev/sdc6 has wrong uuid.
mdadm: cannot open device /dev/sdc5: Device or resource busy
mdadm: /dev/sdc5 has wrong uuid.
mdadm: no RAID superblock on /dev/sdc2
mdadm: /dev/sdc2 has wrong uuid.
mdadm: cannot open device /dev/sdc1: Device or resource busy
mdadm: /dev/sdc1 has wrong uuid.
mdadm: cannot open device /dev/sdc: Device or resource busy
mdadm: /dev/sdc has wrong uuid.
mdadm: cannot open device /dev/sdb: Device or resource busy
mdadm: /dev/sdb has wrong uuid.
mdadm: cannot open device /dev/sda: Device or resource busy
mdadm: /dev/sda has wrong uuid.
mdadm: looking for devices for /dev/md/OneTB-RAID1-PV
mdadm: no recogniseable superblock on /dev/md126p1
mdadm/dev/md126p1 is not a container, and one is required.
mdadm: no recogniseable superblock on /dev/md/OneTB-RAID1-PV
mdadm/dev/md/OneTB-RAID1-PV is not a container, and one is required.
mdadm: no recogniseable superblock on /dev/dm-3
mdadm/dev/dm-3 is not a container, and one is required.
mdadm: no recogniseable superblock on /dev/dm-2
mdadm/dev/dm-2 is not a container, and one is required.
mdadm: no recogniseable superblock on /dev/dm-1
mdadm/dev/dm-1 is not a container, and one is required.
mdadm: no recogniseable superblock on /dev/dm-0
mdadm/dev/dm-0 is not a container, and one is required.
mdadm: no recogniseable superblock on /dev/loop0
mdadm/dev/loop0 is not a container, and one is required.
mdadm: cannot open device /dev/sdc7: Device or resource busy
mdadm/dev/sdc7 is not a container, and one is required.
mdadm: cannot open device /dev/sdc6: Device or resource busy
mdadm/dev/sdc6 is not a container, and one is required.
mdadm: cannot open device /dev/sdc5: Device or resource busy
mdadm/dev/sdc5 is not a container, and one is required.
mdadm: no recogniseable superblock on /dev/sdc2
mdadm/dev/sdc2 is not a container, and one is required.
mdadm: cannot open device /dev/sdc1: Device or resource busy
mdadm/dev/sdc1 is not a container, and one is required.
mdadm: cannot open device /dev/sdc: Device or resource busy
mdadm/dev/sdc is not a container, and one is required.
mdadm: cannot open device /dev/sdb: Device or resource busy
mdadm/dev/sdb is not a container, and one is required.
mdadm: cannot open device /dev/sda: Device or resource busy
mdadm/dev/sda is not a container, and one is required.

So what could this mean???

-M

make

gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o mdadm.o mdadm.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o config.o config.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o mdstat.o mdstat.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o ReadMe.o ReadMe.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o util.o util.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Manage.o Manage.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Assemble.o Assemble.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Build.o Build.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Create.o Create.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Detail.o Detail.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Examine.o Examine.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Grow.o Grow.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Monitor.o Monitor.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o dlink.o dlink.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Kill.o Kill.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Query.o Query.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o Incremental.o Incremental.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o mdopen.o mdopen.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o super0.o super0.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o super1.o super1.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o super-ddf.o super-ddf.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o super-intel.o super-intel.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o bitmap.o bitmap.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o restripe.o restripe.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o sysfs.o sysfs.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS -DHAVE_STDINT_H -o sha1.o -c sha1.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o mapfile.o mapfile.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o crc32.o crc32.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o sg_io.o sg_io.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o msg.o msg.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o platform-intel.o platform-intel.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o probe_roms.o probe_roms.c
gcc  -o mdadm mdadm.o config.o mdstat.o  ReadMe.o util.o Manage.o Assemble.o Build.o Create.o Detail.o Examine.o Grow.o Monitor.o dlink.o Kill.o Query.o Incremental.o mdopen.o super0.o super1.o super-ddf.o super-intel.o bitmap.o restripe.o sysfs.o sha1.o mapfile.o crc32.o sg_io.o msg.o platform-intel.o probe_roms.o 
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o mdmon.o mdmon.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o monitor.o monitor.c
gcc -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter -ggdb -DSendmail=\""/usr/sbin/sendmail -t"\" -DCONFFILE=\"/etc/mdadm.conf\" -DCONFFILE2=\"/etc/mdadm/mdadm.conf\" -DMAP_DIR=\"/dev/.mdadm\" -DMAP_FILE=\"map\" -DMDMON_DIR=\"/dev/.mdadm\" -DUSE_PTHREADS   -c -o managemon.o managemon.c
gcc  -pthread -z now -o mdmon mdmon.o monitor.o managemon.o util.o mdstat.o sysfs.o config.o Kill.o sg_io.o dlink.o ReadMe.o super0.o super1.o super-intel.o super-ddf.o sha1.o crc32.o msg.o bitmap.o platform-intel.o probe_roms.o 
sed -e 's/{DEFAULT_METADATA}/1.2/g' mdadm.8.in > mdadm.8
nroff -man mdadm.8 > mdadm.man
nroff -man md.4 > md.man
nroff -man mdadm.conf.5 > mdadm.conf.man
nroff -man mdmon.8 > mdmon.man

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- Re: How to recreate a dmraid RAID array with mdadm
  - From: Neil Brown <neilb@suse.de>

References:
- RE: How to recreate a dmraid RAID array with mdadm (was: no subject)
  - From: Mike Viau <viaum@sheridanc.on.ca>
- Re: How to recreate a dmraid RAID array with mdadm (was: no subject)
  - From: Neil Brown <neilb@suse.de>
- RE: How to recreate a dmraid RAID array with mdadm
  - From: Mike Viau <viaum@sheridanc.on.ca>
- Re: How to recreate a dmraid RAID array with mdadm
  - From: Neil Brown <neilb@suse.de>

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