[lustre-discuss] Lustre client/server versions/compatibility

William D. Colburn wcolburn at nrao.edu
Wed Oct 16 08:34:03 PDT 2019


We are moving closer to migrating our lustre 2.5.5 servers to lustre
2.12.2.  But we still have a collection of clients.  We have a vague bit
of folklore, handed down word of mouth from the village elder, that if
we upgrade the server to 2.12.2 that the clients all have to be upgraded
to 2.7.something.  I've tried google, but all the searches I've tried
for compatibility all lead to information on what versions of lustre
run on what versions of linux, and not what versions of clients interact
with what versions of the server.

Is there a compatibility matrix for clients versus servers?
Alternatively, does someone just know what version of the clients we
need to have everywhere for a 2.12.2 server?

Our clients include:
  2.4.3
  2.5.5
  2.10.1
  2.10.2
  2.10.4
  2.10.5
  2.10.6
  2.10.7
  2.10.8
  2.12.2


--Schlake


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