There's also an "lctl --device <dev> activate" that I've used in the
past though I don't know what conditions need to be for it to work.
On 8/27/24 07:46, Andreas Dilger via lustre-discuss wrote:
Hi Jan,
There is "lctl --device XXXX recover" that will trigger a reconnect to
the named OST device (per "lctl dl" output), but not sure if that will
help.
Cheers, Andreas
On Aug 22, 2024, at 06:36, Haarst, Jan van via lustre-discuss
<lustre-discuss@lists.lustre.org> wrote:
Hi,
Probably the wording of the subject doesn’t actually cover the issue,
what we see is this :
We have a client behind a router (linking tcp to Omnipath) that shows
an inactive OST (all on 2.15.5).
Other clients that go through the router do not have this issue.
One client had the same issue, although it showed a different OST as
inactive.
After a reboot, all was well again on that machine.
The clients can lctl ping the OSSs.
So although we have a workaround (reboot the client), it would be
nice to:
1. Fix the issue without a reboot
2. Fix the underlying issue.
It might be unrelated, but we also see another routing issue every
now and then:
The router stops routing request toward a certain OSS, and this can
be fixed by deleting the peer_nid of the OSS from the router.
I am probably missing informative logs, but I’m more than happy to
try to generate them, if somebody has a pointer to how.
We are a bit stumped right now.
With kind regards,
--
Jan van Haarst
HPC Administrator
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