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35 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
  • 5,780
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
  • 5,780
2 votes
3 answers
6k views

Recovering data from RAID1 drive

I have recently received one of the two 1TB drives I had on a dedicated server. The drives were mirrored and the server was running CentOS 5.6. I've installed it in an USB enclosure and tried ...
Nick M's user avatar
  • 121
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