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36 votes
10 answers
238k views

How to get an inactive RAID device working again?

After booting, my RAID1 device (/dev/md_d0 *) sometimes goes in some funny state and I cannot mount it. * Originally I created /dev/md0 but it has somehow changed itself into /dev/md_d0. # mount /...
Jonik's user avatar
  • 5,790
6 votes
3 answers
24k views

Creating a RAID1 partition with mdadm on Ubuntu

I'm trying to set up a RAID1 partition on my Ubuntu 9.10 workstation. On this dual-boot system, Ubuntu is running from a separate drive (/dev/sdc - an SSD that is quite small, which is why I need ...
Jonik's user avatar
  • 5,790
5 votes
4 answers
15k views

New mdadm RAID vanish after reboot

I have problems with mdadm after reboot, I can't reassemble /dev/md0 . I work on debian wheezy. I have done the following steps:: sudo mdadm --create --verbose /dev/md0 --level=6 --raid-devices=4 /...
peon's user avatar
  • 51
1 vote
3 answers
9k views

MDADM raid "lost" after reboot

I am kind of scared right now, so I hope you can bring light on my problem! A few weeks ago, I bought a new 2TB drive and decided to setup a software RAID 5 with MDADM on my HTPC (drive sdb, sdc and ...
Patrick Pruneau's user avatar