[lustre-discuss] Best way to run serverside 2.8 w. MOFED 4.1 on Centos 7.2

[Patrick Farrell]

I would strongly suggest make -j something for parallelism, unless you want to have time to go out for your coffee.

________________________________
From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> on behalf of Christopher Johnston <chjohnst at gmail.com>
Sent: Friday, August 18, 2017 3:45:39 PM
To: Jeff Johnson
Cc: lustre-discuss
Subject: Re: [lustre-discuss] Best way to run serverside 2.8 w. MOFED 4.1 on Centos 7.2

Get coffee somewhere in between 🙃

On Aug 18, 2017 1:08 PM, "Jeff Johnson" <jeff.johnson at aeoncomputing.com<mailto:jeff.johnson at aeoncomputing.com>> wrote:
John,

You can rebuild 2.8 against MOFED. 1) Install MOFED version of choice. 2) Pull down the 2.8 Lustre source and configure with '--with-o2ib=/usr/src/ofa_kernel/default'. 3) `make rpms` 4) Install. 5) Profit.

--Jeff

On Fri, Aug 18, 2017 at 9:41 AM, john casu <john at chiraldynamics.com<mailto:john at chiraldynamics.com>> wrote:
I have an existing 2.8 install that broke when we added MOFED into the mix.

Nothing I do wrt installing 2.8 rpms works to fix this, and I get a couple of missing symbole, when I install lustre-modules:
depmod: WARNING: /lib/modules/3.10.0-327.3.1.el7_lustre.x86_64/extra/kernel/net/lustre/ko2iblnd.ko needs unknown symbol ib_query_device
depmod: WARNING: /lib/modules/3.10.0-327.3.1.el7_lustre.x86_64/extra/kernel/net/lustre/ko2iblnd.ko needs unknown symbol ib_alloc_pd

I'm assuming the issue is that lustre 2.8 is built using the standard Centos 7.2 infiniband drivers.

I can't move to Centos 7.3, at this time.  Is there any way to get 2.8 up & running w. mofed without rebuilding lustre rpms?

If I have to rebuild, it'd probably be easier to go to 2.10 (and zfs 0.7.1). Is that a correct assumption?
Or will the 2.10 rpms work on Centps 7.2?

thanks,
-john c
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