Re: [CentOS] mdraid doesn't allow creation: device or resource busy

2017-07-07 Thread Adam Kalisz
Dear CentOS users and administrators, I solved the problem! It really was multipath and it had to do with some automatic mapping probably. I maybe did reboot after I created a new partition tables on each drive, which probably wasn't very smart. Anyway, the solution was: # multipath -l ST3500630N

Re: [CentOS] mdraid doesn't allow creation: device or resource busy

2017-07-01 Thread Gordon Messmer
On 06/29/2017 05:06 PM, adam_kalisz wrote: Do you have any ideas? What logs/ information should I provide if you want to have a look into this. Run "vgs" to see if the drives brought up an old volume group. Run "pvs" to see if they were imported into the volume group you were already using

[CentOS] mdraid doesn't allow creation: device or resource busy

2017-06-29 Thread adam_kalisz
Dear fellow CentOS users, I have never experienced this problem with hard disk management before and cannot explain it to myself on any rational basis. The setup: I have a workstation for testing, running latest CentOS 7.3 AMD64. I am evaluating oVirt and a storage-ha as part of my bachelors t