Re: [CentOS] Problem with softwareraid

2017-08-20 Thread Mr Typo
hello Gardon, thank you for the tip. I had an eye on multipathd during my debugging, but i ignored it, because i had installed it for years now. (and a stop of the service still gave me the device busy stuff). i assume that another rpm has enabled the multipath service and this was fiddling around

Re: [CentOS] Problem with softwareraid

2017-08-20 Thread Gordon Messmer
On 08/19/2017 12:06 PM, Mr Typo wrote: sda 8:00 1.8T 0 disk ├─sda1 8:10 1.8T 0 part └─WDC_WD20EFRX-68AX9N0_WD-WMC1T2547260 253:30 1.8T 0 mpath └─WDC_WD20EFRX-68AX9N0_WD-WMC1T2547260p1 253:8

Re: [CentOS] Problem with softwareraid

2017-08-19 Thread Mr Typo
> Are you definately using cables rated for sata III? Have you checked the > power connections? Have you checked the power supply voltages durning spin > up/later? yeah. the setup is running for years now. as i said: booting from usb stick -> everything works > > > > > > Is there tension or m

Re: [CentOS] Problem with softwareraid

2017-08-19 Thread Mr Typo
Hello Gordon, yeah. it is really strange. from one boot to the next, everyhing is f** up.(2 months between). any idea? [root@quad live]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:00 1.8T 0 disk ├─

Re: [CentOS] Problem with softwareraid

2017-08-18 Thread mad.scientist.at.large
18. Aug 2017 13:35 by euroregist...@gmail.com: > Hello all, > > i have already had a discussion on the software raid mailinglist and i > want to switch to this one :) > > I am having a really strange problem with my md0 device running > centos7. after a new start of my server the md0 was gone. no

Re: [CentOS] Problem with softwareraid

2017-08-18 Thread Gordon Messmer
On 08/18/2017 12:35 PM, Mr Typo wrote: mdadm: /dev/sda1 is busy - skipping mdadm: /dev/sdb1 is busy - skipping mdadm: /dev/sdc1 is busy - skipping mdadm: /dev/sdd1 is busy - skipping That's plenty strange. The output of "lsblk" might tell you why those devices are busy. ___

[CentOS] Problem with softwareraid

2017-08-18 Thread Mr Typo
Hello all, i have already had a discussion on the software raid mailinglist and i want to switch to this one :) I am having a really strange problem with my md0 device running centos7. after a new start of my server the md0 was gone. now after trying to find the problem i detected the following: