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<DIV><FONT face=Arial size=2><SPAN class=777235410-28072009>Hi
there,</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=777235410-28072009></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=777235410-28072009>I'm looking to
deploy a number of servers that are single nodes, but pre-configured to be
scaled into larger clusters using Pacemaker and DRBD at a later date if
required. However, I don't want to run DRBD and Pacemaker in a single-node
cluster: we've tried this and have had a number of trip-ups, for example DRBD
dropping the backing store by default on a read error (I know this can be
changed; but my point is that DRBD isn't intended for this).</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=777235410-28072009></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=777235410-28072009>As standard, we use
DRBD volumes with internal metadata. Ideally, I'd like to pre-create and
initialise a DRBD volume, but then mount it directly using its LVM path.
The DRBD kernel module would not be loaded on the system at the
time.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=777235410-28072009></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=777235410-28072009>It is my belief that
so long as the filesystem is not extended, this configuration should work
because so far as DRBD is concerned the volume has never been synced, and the
contents of the volume version identifier doesn't really
matter.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><SPAN class=777235410-28072009><FONT face=Arial size=2>Can anyone confirm
this? It would make single node -> cluster conversion route as simple
as possible whilst minimising the amount of cluster overhead when running as a
single node.</FONT></SPAN></DIV>
<DIV><SPAN class=777235410-28072009><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=777235410-28072009><FONT face=Arial
size=2>Thanks,</FONT></SPAN></DIV>
<DIV><SPAN class=777235410-28072009><FONT face=Arial
size=2>Dan.</FONT></SPAN></DIV>
<DIV class=Section1>
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Manpower<BR></I><SPAN style="FONT-SIZE: 8pt; FONT-FAMILY: Arial"><I>Tel: 01684
897528, Mobile: 07766 134606</SPAN></I><BR><SPAN
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