Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
> -----Original Message----- > From: drbd-user-bounces at lists.linbit.com [mailto:drbd-user- > bounces at lists.linbit.com] On Behalf Of Stanislav German-Evtushenko > Sent: Monday, March 25, 2013 10:13 AM > To: Radu Radutiu > Subject: Re: [DRBD-user] Uncatchable DRBD out-of-sync issue > > Thank you for suggestion. > > I could investigate if this is a swap region but it wouldn't help > because: > 1) I can check it for Linux VMs but I can't do the same for Windows > ones (because swap file is in file system). > 2) I can't do online migration even if only swap region is out of sync > because it will make a VM unstable. > > On Mon, Mar 25, 2013 at 5:07 PM, Radu Radutiu <rradutiu at gmail.com> wrote: > > I was asking if the out of sync blocks belong to a swap partition of > one of > > the virtual machines. I see exactly the same problem with a setup more > or > > less similar to your setup (my setup is an active-passive one, lvm on > top > > dbrb, with kvm virtual machines using these logical volumes as > storage). > > I seem to recall some older messages on drbd list stating that it might > be > > OK to have oos blocks for the swap device. > > > > Best Regards, > > > > Radu > > > > > You don't need Dual-Primary to live migrate - you need shared storage. Two completely different concepts. Now, the shared storage can be based on a DRBD Primary, and you can have it fail over to a DRBD Secondary, but dual primary is not going to do what you want and shared storage will. The storage you share may be virtualized, if you like. Dan