Hi,
I have migrated my Lustre 2.2 to 2.5.1 and I have equipped my OSS/MDS and
clients with Infiniband QDR interfaces.
I have compile lustre with OFED 3.2 and I have configured lnet module with:
options lent networks=“o2ib(ib0),tcp(eth0)”
But when I try to compare the lustre performance across
What disks do your OSTs have? Maybe you have reached your disk
performance limit, so Infiniband gives some speedup, but very small. Did
you try to enable striping on your Lustre filesystem? For instance, you
can type something like this: lfs setstripe -c count of stripes
/mnt/lustre/somefolder
...@lists.lustre.org] On Behalf Of Vsevolod Nikonorov
Sent: Monday, May 19, 2014 6:54 AM
To: lustre-discuss@lists.lustre.org
Subject: Re: [Lustre-discuss] Same performance Infiniband and Ethernet
What disks do your OSTs have? Maybe you have reached your disk performance
limit, so Infiniband gives some speedup
] On Behalf Of Vsevolod
Nikonorov
Sent: Monday, May 19, 2014 6:54 AM
To: lustre-discuss@lists.lustre.org
Subject: Re: [Lustre-discuss] Same performance Infiniband and Ethernet
What disks do your OSTs have? Maybe you have reached your disk performance
limit, so Infiniband gives some speedup
@lists.lustre.org
Subject: Re: [Lustre-discuss] Same performance Infiniband and Ethernet
What disks do your OSTs have? Maybe you have reached your disk
performance limit, so Infiniband gives some speedup, but very small. Did
you try to enable striping on your Lustre filesystem? For instance, you can
, Alfonso
Cc: lustre-discuss@lists.lustre.org
Subject: Re: [Lustre-discuss] Same performance Infiniband and Ethernet
dd if=/dev/zero of=test.dat bs=1M count=1000 oflag=direct
oflag=direct forces directIO which is synchronous.
On 19 May 2014 14:41, Pardo Diaz, Alfonso
alfonso.pa