6:57 a.m.
Can I do the "first upgrade client then server" strategy when moving from
lustre 2.4.3 to 2.5.x or is it too big an upgrade (ie. is the 2.5.x client
compatible with the 2.4.3 server)?
It looks like we may anyhow redo the MDS/ODS systems when the full upgrade
of our system is in progress, but I am thinking that for testing purposes I
can already move the existing lustre to 2.5.x ahead of time....
Thanks,
Eli
8:34 a.m.
You can always upgrade 2.x to 2.(x+1). What is more tricky is upgrading 1.x to 2.y. We
tested 1.8 upgrades to 2.4, but have not been testing 1.8 upgrades to 2.5 or later.
Cheers, Andreas
On Aug 24, 2014, at 7:58, "E.S. Rosenberg"
<esr+hpdd-discuss(a)mail.hebrew.edu> wrote:
Can I do the "first upgrade client then server" strategy when moving from
lustre 2.4.3 to 2.5.x or is it too big an upgrade (ie. is the 2.5.x client compatible with
the 2.4.3 server)?
It looks like we may anyhow redo the MDS/ODS systems when the full upgrade of our system
is in progress, but I am thinking that for testing purposes I can already move the
existing lustre to 2.5.x ahead of time....
Thanks,
Eli
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7:48 p.m.
For what it's worth, Cray's internal testing suggests it's safe to upgrade
from 1.8 to 2.5 with the same procedures as for 1.8 to 2.4. I can't speak to 2.6.
________________________________________
From: HPDD-discuss [hpdd-discuss-bounces(a)lists.01.org] on behalf of Dilger, Andreas
[andreas.dilger(a)intel.com]
Sent: Sunday, August 24, 2014 10:34 AM
To: E.S. Rosenberg
Cc: hpdd-discuss(a)lists.01.org
Subject: Re: [HPDD-discuss] Is 2.4.3 -> 2.5.x a valid upgrade path?
You can always upgrade 2.x to 2.(x+1). What is more tricky is upgrading 1.x to 2.y. We
tested 1.8 upgrades to 2.4, but have not been testing 1.8 upgrades to 2.5 or later.
Cheers, Andreas
On Aug 24, 2014, at 7:58, "E.S. Rosenberg"
<esr+hpdd-discuss(a)mail.hebrew.edu> wrote:
Can I do the "first upgrade client then server" strategy when moving from
lustre 2.4.3 to 2.5.x or is it too big an upgrade (ie. is the 2.5.x client compatible with
the 2.4.3 server)?
It looks like we may anyhow redo the MDS/ODS systems when the full upgrade of our system
is in progress, but I am thinking that for testing purposes I can already move the
existing lustre to 2.5.x ahead of time....
Thanks,
Eli
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HPDD-discuss mailing list
HPDD-discuss(a)lists.01.org
https://lists.01.org/mailman/listinfo/hpdd-discuss
_______________________________________________
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HPDD-discuss(a)lists.01.org
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2 comments
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participants (3)
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Dilger, Andreas -
E.S. Rosenberg -
Patrick Farrell