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Mdadm Auto Assemble


or read our Welcome Guide to learn how to use this site. I assume the new partition should also be Active. It will work better in the long run. I partitioned the new one with gfdisk but could not add it to the array.

In Partition Wizard (BootCD), I see a single disk with a single partition. Which OS is this? Already have an account? After doing this, I get cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md2 : active raid1 sdc1[0] sdd1[1] 1953423552 blocks [2/2] [UU] md1 : active raid1

Mdadm Auto Assemble

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Disk /dev/sda: 2000 GB, 2000396321280 bytes 255 heads, 63 sectors/track, 243201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 1 The detail disk info says its not bootable. MiniXP lets me see the C drive in Disk Management but it has a single partition. Mdadm Initramfs In this example, you have /boot on md0 and / on md1: 1) mkdir /mnt/sysimage 2) mount /dev/md1 /mnt/sysimage 3) mount -o bind /dev /mnt/sysimage/dev 4) mount -o bind /proc /mnt/sysimage/proc

Booting from formerly raid 1 disk Dual Booting RAID 1 HDD Boot Failure Raid 1 with PERC H200A (LCI SAS 2008-IR) Controlller Need help dual-booting and partitioning RAID 1 Tom's Hardware Mar 24, 2009 #1 kimsland Ex-TechSpotter Posts: 14,524 Malware or CheckDisk ? Any advice on a /dev/sda master mirror disk failure? This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

HDD Boot Failure Raid 1 with PERC H200A (LCI SAS 2008-IR) Controlller solved Upgraded to 8.1: PC no longer boots, SSD not being detected. Mdadm Assemble Scan First we mark /dev/sdb1 as failed: mdadm --manage /dev/md0 --fail /dev/sdb1 The output of cat /proc/mdstat should look like this: server1:~#cat/proc/mdstatPersonalities:[linear][multipath][raid0][raid1][raid5][raid4][raid6][raid10]md0:activeraid1sda1[0]sdb1[2](F)24418688blocks[2/1][U_] md1:activeraid1sda2[0]sdb2[1]24418688blocks[2/2][UU] unuseddevices: Then we remove /dev/sdb1 from /dev/md0: mdadm --manage I really hope you are getting paid well at your job! Not so sure though, now the RAID problem happens on 12.04 too.

Mdadm Array Not Starting On Boot

I rebooted again without the Windows install disk and Bob's your uncle. User contributions on this site are licensed under the Creative Commons Attribution Share Alike 4.0 International License. Mdadm Auto Assemble If I can't do RAID 1 config on 4 hdd's at least one or the other is fine. Mdadm Config b - the boot drive is NOT RAIDed.  If I care much about rebuilding the / partition, then I will make an image (dd image) of the system for ease of

How can I build a door to repel a horde of zombies? Keep up the good work!

From: Joe Reply Thank you for noting the need to run grub-install! But that does NOT mean (by any stretch of the imagination) that disk is failing or failed. i have a question, i have a Raid 1 by software, same cfg that you, the md0 its the swap partition and the md1 its the / when i first start, Mdadm Fstab

Actually, mdadm itself has the possibility to specify 'missing' for a disk, upon creation (and it would show a _ in its place in /proc/mdstat). Any help will be greatly appreciated. Even if it dies, since it only has a copy of the OS, it's easy to replace. The other two are connected in a RAID 1 array.

Stay logged in Sign up now! Mdadm Inactive the 2x 2TB and the 2x 1TB? I can see that it would be relatively easy to recover from a failed primary disk (using an Ubuntu Live CD), even if it doesn't happen automatically.

So thats a little confusing to me.

Thank you. Just add them to /etc/fstab like this: Code: /dev/sda2 swap swap defaults 0 0 /dev/sdb2 swap swap defaults 0 0 following the layout I described. I hope this helps. Mdadm Scan I then used sudo mdadm --detail --scan >> /etc/mdadm/mdadm.conf and the file now contains # mdadm.conf # # Please refer to mdadm.conf(5) for information about this file. # # by default,

Please Help! 1 PSU boots with all RAM config's, other PSU doesn't POST unless 1 stk More resources See also Can't boot after deleting 1 win7 install in a dual boot Murrell Reply It seems to me that first adding the new disk, waiting for the resync to complete and then going through the fail/remove steps is safer since you now Snipergod87Jul 15, 2013, 9:02 PM I have never done slip streaming myself. Hopefully someone else will see this thread and have an answer for you.

Similar Topics Help with XP & Vista 32-bit dual boot: 5 drives, 4 sata raid array 1 boot Oct 2, 2009 Raid 1 array Mar 31, 2009 Missing Boot Drive - I don't think the RAID array is the problem either, considering I cannot boot to CD even through both drives in the array are disconnected. Of the two, the one reporting "error occurred" (port 1) did NOT have the partition. One of them is starting to fail.

USAFRetJan 2, 2016, 6:08 PM ninjayar said: USAFRet said: This is when you completely redo the RAID thing, and recover the OS and your data from your backup. run 'grub' 6. Related Tags: linux, tips This entry was posted on 10/04/2012 at 11:47 and is filed under Uncategorized. share|improve this answer edited Nov 11 '12 at 20:15 answered Nov 11 '12 at 12:01 Jeff Atwood♦ 5511821 Alternatively you could boot from a CD and configure grub manually,

From: Jeremy Rayman Reply These instructions worked well. One caveat: I was completely unable to select the "physical volume for RAID" as bootable. Another option is burning the drivers to a CD and at the load drivers screen pop in that CD and try that. server1:~#mdadm --manage /dev/md3 --fail /dev/sdd1 mdadm: set /dev/sdd1 faulty in /dev/md3 server1:~#mdadm --manage /dev/md3 --remove /dev/sdd1 mdadm: hot removed /dev/sdd1 server1:~#mdadm --manage /dev/md3 --add /dev/sdd1 mdadm: re-added /dev/sdd1 server1:~#watchcat/proc/mdstat Every 2.0s:

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From: kevin Fitzgerald Reply I have a failed hard drive sdb However the readout from cat /proc/mdstat reads as follows: md127 : active raid1 sda[1] sdb[0]      976759808 blocks