[lustre-discuss] lustre stability problem (2.12.0)

[Faaland, Olaf P.]

Hello Bernd,

I've seen this behavior as well, in our case with Lustre 2.10.6+patches and zfs-0.7.11+patches.  I'm looking into it, but do not yet have any more information.

-Olaf

________________________________________
From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> on behalf of Bernd Melchers <melchers at zedat.fu-berlin.de>
Sent: Tuesday, April 9, 2019 4:41 AM
To: lustre-discuss at lists.lustre.org
Subject: [lustre-discuss] lustre stability problem (2.12.0)

Hi All,
we have stability problems with our lustre on zfs installation:
CentOS 7.6, kernel 3.10.0-957.5.1.el7.x86_64, lustre 2.12.0, zfs 0.7.12

The ods servers have hanging kernel threads ll_ost_io. The threads locks
up the cpu and were killed after 22 sec, please have a look at the
attachement.
Is this a known problem and is this a zfs problem?


Mit freundlichen Grüßen
Bernd Melchers

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