Commit d8f0b7c1 authored by Guido Trotter's avatar Guido Trotter
Browse files

Make diskless instances externally mirrored

This addresses Issue 237.

Mirroring no disk is a no-op. As such we can treat them like mirrored
instances, since the data they need (none) will be present on all nodes.

This is definitely enough to failover or migrate instances with a manual
target node. Further work might be needed for support in hail.
Signed-off-by: default avatarGuido Trotter <>
Reviewed-by: default avatarIustin Pop <>
parent 7b3d70d4
......@@ -380,6 +380,7 @@ DTS_INT_MIRROR = compat.UniqueFrozenset([DT_DRBD8])
# the set of externally-mirrored disk templates (e.g. SAN, NAS)
DTS_EXT_MIRROR = compat.UniqueFrozenset([
DT_DISKLESS, # 'trivially' externally mirrored
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