[ClusterLabs] Fencing libvirt

2018-06-15 Thread Jason Gauthier
Greetings, Previously, I was using fiber channel with block devices. I used sbd to fence the disks, by creating a small block device, and then using stonith to fence the physical disk block. However, I had some reliability issues with that (I believe it was the fibre channel interfacing, not

Re: [ClusterLabs] questions about fence_scsi

2018-06-15 Thread Stefan Krueger
Hello Andrei, thanks for this hint, at the moment I try to solve this with a colocation. (but it doesn't work, see mailinglist) best regards > Gesendet: Freitag, 15. Juni 2018 um 10:32 Uhr > Von: "Andrei Borzenkov" > An: "Cluster Labs - All topics related to open-source clustering welcomed"

[ClusterLabs] corosync doesn't start any resource

2018-06-15 Thread Stefan Krueger
Hello, corosync doesn't start any ressource and I don't know why. I tried to stop/start the cluster, I also tried to reboot it but it doesn't help. also in the logs I dont find nothing that could be useful IMHO. It would be very nice if someone can help me. pcs status Cluster name:

Re: [ClusterLabs] [questionnaire] Do you manage your pacemaker configuration by hand and (if so) what reusability features do you use?

2018-06-15 Thread Kristoffer Grönlund
Jan PokornĂ˝ writes: >> 4. [ ] Do you use "tag" based syntactic grouping[3] in CIB? > > 0x > > keeps me at guess what it was meant to/could be used for in practice > (had some ideas but will gladly be surprised if anyone's going to > give it a crack) > The background for this feature as far as

Re: [ClusterLabs] questions about fence_scsi

2018-06-15 Thread Andrei Borzenkov
On Fri, Jun 15, 2018 at 11:18 AM, Andrei Borzenkov wrote: > On Fri, Jun 15, 2018 at 10:14 AM, Stefan Krueger wrote: >> Hello, >> >> so far as I understand I can use fence_scsi on a two node cluster, if the >> fence running on one cluster the other cluster has no access to this >> devices,

Re: [ClusterLabs] questions about fence_scsi

2018-06-15 Thread Andrei Borzenkov
On Fri, Jun 15, 2018 at 10:14 AM, Stefan Krueger wrote: > Hello, > > so far as I understand I can use fence_scsi on a two node cluster, if the > fence running on one cluster the other cluster has no access to this devices, > correct? If I parse this sentence correctly - no, that's not correct

[ClusterLabs] questions about fence_scsi

2018-06-15 Thread Stefan Krueger
Hello, so far as I understand I can use fence_scsi on a two node cluster, if the fence running on one cluster the other cluster has no access to this devices, correct? I've a 2node cluster with shared JBODs and configure fence_scsi, but I still can use/mount all this devices on both nodes. Did