Re: [DRBD-user] Drbd-proxy with drbdmanage

2016-10-15 Thread Roland Kammerer
On Fri, Oct 14, 2016 at 10:23:22PM +0300, Timofey Koolin wrote: > How to configure drbd-proxy by drbdmanage? This feature is on the TODO list, but has not been implemented yet. > Or direct write config of resource from file to drbdmanage with drbdproxy > options? Drbdmangae overwrites/re-genera

[DRBD-user] New storage: avoid split brains

2016-10-15 Thread Gandalf Corvotempesta
Hi to all i would like to spin up a new shared storage should i use drbd 8 or 9? Additionally and more important: are there any ways to totally avoid splitbrains? Obviously, the network used for sync is fully redundant (at least 2 or 3 bonded interfaces) Is this enough? if i understood properly,

[DRBD-user] Soft lockup CPU#2 stuck problems with DRBD 9 after rebooting other node

2016-10-15 Thread Maarten Bremer
We have problems with our three node DRBD 9 setup with CentOS 7 and Xen 4. When one of our nodes is rebooted, or becomes unavailable, the other nodes freeze entirely without any information, or give the following message: kernel:NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [drbd_w_db

Re: [DRBD-user] New storage: avoid split brains

2016-10-15 Thread Dennis Jacobfeuerborn
On 15.10.2016 12:56, Gandalf Corvotempesta wrote: > Hi to all > i would like to spin up a new shared storage > should i use drbd 8 or 9? > > Additionally and more important: are there any ways to totally avoid > splitbrains? Obviously, the network used for sync is fully redundant (at > least 2 or

Re: [DRBD-user] New storage: avoid split brains

2016-10-15 Thread Gandalf Corvotempesta
2016-10-15 13:56 GMT+02:00 Dennis Jacobfeuerborn : > Keep in mind that it is never possible to be 100% sure that no > split-brain can occur. You might always run into freak accidents. Yes, I know. 100% availability is a myth. > When you say you use bonded interfaces for redundancy are the physica

[DRBD-user] ZFS

2016-10-15 Thread Gandalf Corvotempesta
Anyone using ZFS with DRBD, in production? As I knwo, ZFS likes to have direct access to disks, to manage them on it's own. How do you handle this with DRBD? ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/d

[DRBD-user] drbdproxy name usage

2016-10-15 Thread Timofey Koolin
I have own developed version of drbd-proxy. May I publish it on github with name drbd-proxy or f1f2-drbdproxy? -- Timofey Koolin ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user