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We have a problematic cluster running Openfiler OS that has DRBD:-
version: 8.0.0 (api:86/proto:86)
SVN Revision: 2713 build by email@example.com, 2007-02-26
Resources are configured with meta-disk internal;
It's about 500GB, i'd like to move this to a new DRBD node on plain CentOS
5. The DRBD package in our CentOS repo is version 8.0.13-1.el5.centos.
I'm thinking of taking down the secondary, and replacing it with one of the
new nodes and doing a full re-sync. After which i'll fail it over and make
the new node Primary, and eventually StandAlone. The new node is backed by
a SAN so i'll have more options in snapshotting the data and migrating it
elsewhere, I won't be concerned about not having a Secondary as the
redundancy is in the SAN. I'll be doing the head node redundancy soon after
Will there be any issues with replicating from a 8.0.0 primary to a 8.0.13
secondary? If so, anyone know where I can grab the correct version 8.0.0
from for CentOS 5 x86_64?
Anybody got any idea on the sort of time a full re-sync would take for
~500GB on a gig crossover reading from a RAID5 6 DISK 10K array? What sort
of sync rate could I set for it?
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