Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Il 27-07-2017 03:59 Digimer ha scritto: > > To clarify; The clustered locking in clvmd doesn't do anything to > restrict access to the storage, it's job is only to inform other nodes > that something changing on the underlying shared storage when it makes > a > change. > Hi Digimer, yes, I am full aware of that. > > To make sure a VM runs on only one node at a time, then you must use > pacemaker to handle that (and stonith to prevent split-brains, but I am > sure you know that already). > > If you use clvmd on top on DRBD, make your life simple and don't use it > below DRBD at the same time. It's technically possible but it is > needless complexity. You seem to already be planning this, but just to > make it clear. > > Also note; If you don't use clvmd, then you will probably need to do a > pv/vg/lvscan to pick up changes. This is quite risky though and > certainly not recommended if you run DRBD in dual-primary. > Thanks for your input. I also read your excellent suggestions on link Igor posted. -- Danti Gionatan Supporto Tecnico Assyoma S.r.l. - www.assyoma.it email: g.danti at assyoma.it - info at assyoma.it GPG public key ID: FF5F32A8