to a new OST? But I also need steps on adding the new
OSTs to the MDS (I have /home and /lustre as 2 pools).
Sid Young
Translational Research Institute
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--print mdthome/home
tunefs.lustre --print mdtlustre/lustre
Sid Young
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specific checks I can make.
Sid Young
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#
And all good, every mounts and works first go as expected :)
Sid Young
Translational Research Institute
Brisbane
> -- Forwarded message --
> From: Sid Young
> To: lustre-discuss
> Cc:
> Bcc:
> Date: Mon, 8 Nov 2021 11:15:59 +1000
> Subject: [lustre-di
:
# ls -la /usr/lib/modules
drwxr-xr-x. 3 root root 4096 Mar 18 2021 3.10.0-1160.2.1.el7.x86_64
drwxr-xr-x 3 root root 4096 Nov 8 10:32 3.10.0-1160.25.1.el7.x86_64
drwxr-xr-x. 7 root root 4096 Nov 8 11:02 3.10.0-1160.el7.x86_64
#
Anyone upgraded this way? Any obvious gottas I've missed?
Sid
and its associated OST's?
Sid Young
On Mon, Nov 1, 2021 at 2:11 PM Andreas Dilger wrote:
> The "D" status means the OST is marked in "Degraded" mode, see the
> lfs-df(1) man page. The "lfs check osts" is only checking the client
> connection to the OS
... only shows 1 OST..
10.140.93.42@o2ib:/home *48T * 48T 414G 100% /home
Where should I look?
Sid Young
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pool is reporting as online and a scrub returns 0 errors.
Sid Young
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G'Day all,
Apart from rsync'ing all the data on a mounted lustre filesystem to another
server, what backup systems are people using to backup Lustre?
Sid Young
M: 0458 396300
W: https://off-grid-engineering.com
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lustre
MDT / OST etc?
Sid Young
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is still working and all disks physically report as OK in the ILO
of the two OSS servers...
When the scrub finishes later today I will unmount and remount the 4 OSTs
and see if the remount changes the status... updates in about 8 hours.
Sid Young
On Tue, Oct 12, 2021 at 8:18 AM Sid Young wrote
>
>
>2. Tools to check a lustre (Sid Young)
>4. Re: Tools to check a lustre (Dennis Nelson)
>
>
> My key issue is why /home locks solid when you try to use it but /lustre
is OK . The backend is ZFS used to manage the disks presented from the HP
D8000 JBOD
I'm at
hit /home...
Sid Young
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to be a 3minute timeout, is it possible to shorten this and even
not log this message?
Sid Young
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-OST0004_UUID 51098511360 11505326080 39593183232 23% /lustre[OST:4]
lustre-OST0005_UUID 51098429440 9272059904 41826367488 19% /lustre[OST:5]
filesystem_summary: 153295455232 31252696064 122042753024 21% /lustre
[root@n04 ~]#
Sid Young
Translational Research Institute
errors
[root@hpc-mds-02#
Sid Young
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3 things
Can you send your /etc/lnet.conf file
Can you also send /etc/modprobe.d/lnet.conf
and does a systemctl restart lnet produce an error?
Sid
On Fri, Apr 30, 2021 at 6:27 AM
wrote:
> Send lustre-discuss mailing list submissions to
> lustre-discuss@lists.lustre.org
>
> To
>
> LNET on the failover node will be operational as its a separate service,
> you can check it as shown below and do a "lnetctl net show":
>
[root@hpc-mds-02 ~]# systemctl status lnet
● lnet.service - lnet management
Loaded: loaded (/usr/lib/systemd/system/lnet.service; disabled; vendor
likely managing the file system of each
node in your cluster, what impact does an LVM LV have as an OST ?
Sid Young
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with some performance benchmarks and config
examples that would be much appreciated.
Thanks
Sid Young
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and this morning its all still up and running :)
Thanks everyone for your suggestions.
Next challenge RoCE over 100G ConnectX5 cards :)
Sid Young
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of lustre 2.12.6). We use ZFS.
YMMV.
--
Karsten Weiss
Sid Young
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G'Day all,
Is 2.12.6 supported on Centos 7.9?
After more investigation, I believe this is the issue I am seeing:
https://jira.whamcloud.com/browse/LU-14341
If there is a patch release built for 7.9 I am really happy to test it, as
it's easy to reproduce and crash the OSS's
Sid Young
o try 2.13?
https://downloads.whamcloud.com/public/lustre/lustre-2.13.0/el7/patchless-ldiskfs-server/RPMS/x86_64/
Or build a fresh instance on a clean build of the OS?
Thoughts?
Sid Young
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do that, does anyone use the mellanox ConnectX5 cards on their
Lustre Storage nodes and ethernet only and if so, which driver are you
using and on which OS...
Thanks in advance!
Sid Young
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rvers that can manage this particular OST (the HA pair)?
Sid Young
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is not needed, just the
/etc/modprobe.d/lnet.conf and the /etc/lnet.conf.
Sid Young
>
> -- Forwarded message --
> From: "Degremont, Aurelien"
> To: Sid Young , lustre-discuss <
> lustre-discuss@lists.lustre.org>
> Cc:
> Bcc:
> Date: Tue,
its still wrong.
Any help appreciated :)
Sid Young
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OSS config
several times as I optimise the installation while running under
Pacemaker and have been able to mount /lustre and /home on the Compute
nodes so this new system is 50% of the way there :)
Sid Young
> Today's Topics:
>
>1. Re: MDS using D3710 DAS (Sid Young)
>2. R
After some experiments and recreating the two filesystems I now have lfs
check mds etc working from the HPC clients :) sorry to waste bandwidth.
Sid
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2.4T 1% /mdt-home
[root@hpc-mds-02 ~]# lfs check mds
lfs check: cannot find mounted Lustre filesystem: No such device
[root@hpc-mds-02 ~]#
What am I doing wrong?
Sid Young
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Thanks for the clarification. :)
Sid Young
M: 0458 396300
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https://sidyoung.com/
On Thu, Feb 18, 2021 at 4:35 PM Indivar Nair
wrote:
> Hi Sid,
>
> 1.
> -- You don't need a
by using the IP of both the MDS servers (assume dual MDS HA cluster here)?
And, if I have a 100G ethernet network (for RoCE) for Lustre usage and a
10G network for server access is the MGS IP based around the 100G network
or my 10G network?
Any help appreciated :)
Sid Young
ools (depending on the
> usage) and haven't seen any problems of this sort. Are you using ldiskfs?
>
> - Chris
>
>
> On Fri, Feb 12, 2021 at 03:14:58PM +1000, Sid Young wrote:
> >G'day all,
> >Is anyone using a HPe D3710 with two HPeDL380/385 servers in a MDS
at the same time. :(
Sid Young
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strings of metrics I can push into more
bespoke monitoring solutions...
I am more interested in I/O metrics from the lustre side of things as I can
gather Disk/CPU/memory metrics with Metricbeat as needed already in the
legacy HPC.
Sid Young
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W: ( <ht
With the growth of 100G ethernet, is it better to connect a lustre file
server via EDR 100G Infiniband or 100G Ethernet for a 32 node HPC cluster
running a typical life sciences - Genomics workload?
Thoughts anyone?
Sid Young
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Please ignore my last email, I discovered I had the resource agent rpm but
not installed it.
Sid Young
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https://sidyoung.com/
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in advance!
Sid Young
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https://sidyoung.com/
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SOLVED - Rebuilt the MDT and OST disks, changed /etc/fstab to have rw flag
set explicitly and rebooted everything. Clients now mount and OSTs come up
as active when I run "lfs check servers".
Sid Young
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:
[7.998649] Lustre: Lustre: Build Version: 2.12.5
[8.016113] LNet: Added LNI 10.140.95.65@tcp [8/256/0/180]
[8.016214] LNet: Accept secure, port 988
[ 10.992285] Lustre: Mounted lustre-client
Any pointer where to look? /var/log/messages shows no errors
Sid Young
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