On 09/06/2017 07:30 PM, Lentes, Bernd wrote:
Hi,
i just want to be sure. I created a DRBD partition in a dual primary setup. I
have a VirtualDomain (KVM) resource which resides in the naked DRBD (without
FS), and i can live migrate.
Are there situations where in this setup a cluster fs is necessary/recommended
? I'd like to avoid it, it causes more complexity.
Dual primary DRBD is one way or you can try using SAN/Iscsi.
Btw: resource level fencing is necessary. Is the setup for dual-primary the
same as with single-primary ?
Almost the same, but need to enable "allow-two-primaries" in DRBD and
set two master in pacemaker.
Best regards,
Nick
My cluster: SLES 11 SP4, DRBD 8.4.4, pacemaker 1.12.
Thanks.
Bernd
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