On Mon, 17 Jan 2011 07:19:03 -0600 Jack Schneider <p...@dp-indexing.com> wrote:
> On Sun, 16 Jan 2011 18:42:49 -0700 > Bob Proulx <b...@proulx.com> wrote: > > > Jack, > > > > With your pastebin information and the mdstat information (that last > > information in your mail and pastebins was critical good stuff) and > > I found this old posting from you too: :-) > > > > http://lists.debian.org/debian-user/2009/10/msg00808.html > > > > With all of that I deduce the following: > > > > /dev/md125 /dev/sda1 /dev/sdc1 (10G) root partition with no lvm > > /dev/md126 /dev/sda5 /dev/sdc5 (288G) LVM for /home, /var, > > swap, ... /dev/md127 /dev/sdb /dev/sdd (465G) as yet unformatted > > > > Jack, If that is wrong please correct me. But I think that is > > right. > > > > That is Exactly correct. > > > > The mdstat data showed that the arrays are sync'd. The UUIDs are as > > follows. > > > > ARRAY /dev/md/125_0 metadata=0.90 > > UUID=e45b34d8:50614884:1f1d6a6a:d9c6914c ARRAY /dev/md/126_0 > > metadata=0.90 UUID=c06c0ea6:5780b170:ea2fd86a:09558bd1 > > ARRAY /dev/md/Speeduke:2 metadata=1.2 name=Speeduke:2 > > UUID=91ae6046:969bad93:92136016:116577fd > > > > The desired state: > > > > /dev/md0 /dev/sda1 /dev/sdc1 (10G) root partition with no lvm > > /dev/md1 /dev/sda5 /dev/sdc5 (288G) LVM for /home, /var, swap, ... > > > > Will get to /dev/md2 later... > > > > > My thinking is that I should rerun mdadm and reassemble the arrays > > > to the original definitions... /md0 from sda1 & sdc1 > > > /md1 from sda5 & sdc5 note: sda2 > > > &sdc2 are legacy msdos extended partitions. > > > I would not build a md device with msdos extended partitions under > > > LVM2 at this time.. Agree? > > > > Agreed. You want to rename the arrays. Don't touch the msdos > > partitions. > > > > > Is the above doable? If I can figure the right mdadm > > > commands...8-) > > > > Yes. It is doable. You can rename the array. First stop the > > array. Then assemble it again with the new desired name. Here is > > what you want to do. Tom, Henrique, others, Please double check me > > on these. > > > > mdadm --stop /dev/md125 > > mdadm --assemble /dev/md0 --update=super-minor /dev/sda1 /dev/sdc1 > > > > mdadm --stop /dev/126 > > mdadm --assemble /dev/md1 --update=super-minor /dev/sda5 /dev/sdc5 > > > > That should by itself be enough to get the arrays going. > > > > But, and this is an important but, did you previously add the new > > disk array to the LVM volume group on the above array? If so then > > you are not done yet. The LVM volume group won't be able to > > assemble without the new disk. If you did then you need to fix up > > LVM next. > > > > NO! I did NOT add /dev/sdb and /dev/sdd to the LVM.. So that is not > a problem.. I was about to do that when the machine failed.. > > > I think you should try to get back to where you were before when > > your system was working. Therefore I would remove the new disks > > from the LVM volume group. But I don't know if you did or did not > > add it yet. So I must stop here and wait for further information > > from you. > > > > > I don't know if your rescue disk has lvm automatically configured or > > not. You may need to load the device mapper module dm_mod. I don't > > know. If you do then here is a hint: > > > > modprobe dm_mod > > > > To scan for volume groups: > > > > vgscan > > > Found volume group "Speeduke" using metadata type lvm2 > > > > To activate a volume group: > > > > vgchange -ay > > 5 logical volume(s) in volume group "Speeduke" now active > > > > > To display the physical volumes associated with a volume group: > > > > pvdisplay > > > > PV Name /dev/md126 > VG Name Speeduke > > Other data ommited > > PV UUID kUoBgV-R9n6-exZ1-fdIk-aqlb-7Ue1-R3B1PD > > > > > > If the new disks haven't been added to the volume group (I am hoping > > not) then you should be home free. But if they are then I think you > > will need to remove them first. > > > > I don't know if the LVM actions above are going to be needed. I am > > just trying to proactively give some possible hints. > > > > Bob > Bob, You cannot know how much I appreciate the time and effort you and others have given to this, hopefully a few more steps and all will be well.. I have not done the things you have suggested above. I'll wait for your response and then go!!! One other thing I am bothered by, md0, md1 were built using md metadata v0.90, md2 was built with the current mdadm metadata v 1.3 which changed the md names. Does this matter???? Jack -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20110117132946.06f98...@torrid.volunteerwireless.net