Hi all,
(This is on 2.15.4 with very limited modifications, none to speak of in ldlm or
similar)
Very rarely, when attempting to perform an lctl barrier_freeze, we run into a
situation where it fails with EINVAL. At that point all future lctl barrier
operations (including rescan) return
Hi folks,
We've seen some weird stuff recently with UFW/iptables dropping packets on our
OSS and MDS nodes. We are running 2.15.1. Example:
[ 69.472030] [UFW BLOCK] IN=eth0 OUT= MAC= SRC= DST= LEN=52
TOS=0x00 PREC=0x00 TTL=64 ID=58224 DF PROTO=TCP SPT=1022 DPT=988 WINDOW=510
RES=0x00 ACK
Hi all,
I ran into an issue against drives just shy of 16TiB with mkfs.lustre, which
appears to relate to how resize is employed by mkfs.lustre when it calls mke2fs.
I've opened this:
https://jira.whamcloud.com/browse/LU-16305
Side note: how do I assign something to myself? I have a fix but
e original patch, which was commit
ea2cd3af7b).
Cheers, Andreas
> On Aug 24, 2022, at 14:50, Ellis Wilson via lustre-discuss
> wrote:
>
> Hi all,
>
> One of my colleagues noticed that in testing 2.15.1 out the stats returned
> include snapshot_time showing up in
Hi all,
One of my colleagues noticed that in testing 2.15.1 out the stats returned
include snapshot_time showing up in a different fashion than before.
Previously, ktime_get_real_ts64 was used to get the current timestamp and that
was presented when stats were printed, whereas now uptime is
Hi Bill,
I just ran into a similar issue. See:
https://jira.whamcloud.com/browse/LU-15468
Lustre definitely caches data in the pagecache, and as far as I have seen
metadata in slab. I'd start by running slabtop on a client machine if you can
stably reproduce the OOM situation, or creating a
Hi all,
(Hopefully) simple two questions this time around. This is for 2.14.0, and my
cluster is setup with no failovers for MDTs or OSTs. OBD timeouts have not
been altered from the defaults.
Question 1:
I read on the Lustre Wiki that the appropriate ordering to umount the various
..@whamcloud.com<mailto:pjo...@whamcloud.com>. Learn why this is
important<http://aka.ms/LearnAboutSenderIdentification>
Ellis
JIRA accounts can be requested from
i...@whamcloud.com<mailto:i...@whamcloud.com>
Peter
From: lustre-discuss
mailto:lustre-discuss-boun...@lists.lustre.o
.@lists.lustre.org>>
on behalf of Ellis Wilson via lustre-discuss
mailto:lustre-discuss@lists.lustre.org>>
Reply-To: Ellis Wilson
mailto:elliswil...@microsoft.com>>
Date: Thursday, January 20, 2022 at 6:20 AM
To: Raj mailto:rajgau...@gmail.com>>, Patrick Farrell
mai
attach if compressed.
Regards,
Patrick
From: lustre-discuss
mailto:lustre-discuss-boun...@lists.lustre.org>>
on behalf of Ellis Wilson via lustre-discuss
mailto:lustre-discuss@lists.lustre.org>>
Sent: Wednesday, January 19, 2022 8:32 AM
To: Andreas Di
Hi folks,
Broader (but related) question than my current malaise with OOM issues on
2.14/2.15: Is there any documentation or can somebody point me at some code
that explains memory management within Lustre? I've hunted through Lustre
manuals, the Lustre internals doc, and a bunch of code,
rIdentification>
On Jan 18, 2022, at 13:40, Ellis Wilson via lustre-discuss
mailto:lustre-discuss@lists.lustre.org>> wrote:
Recently we've switched from using ZFS to ldiskfs as the backing filesystem to
work around some performance issues and I'm finding that when I put the cluster
un
Hi all,
Recently we've switched from using ZFS to ldiskfs as the backing filesystem to
work around some performance issues and I'm finding that when I put the cluster
under load (with as little as a single client) I can almost completely lockup
the client. SSH (even existing sessions) stall,
Hi Lustre folks,
A few questions about around configuring file layouts, specifically progressive
file layouts:
1. In a freshly stood-up Lustre cluster, if there are no clients yet mounted,
are there any Lustre utilities (I've not found one) that allows one to perform
the equivalent of "lfs
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