Hi Dan,
we finally managed to get everything up and collect debug info. Its ceph-posted
since all files exceeded the limit for attachments. A quick overview of the
most important findings is here: https://imgur.com/a/RF7ExSP. Please note that
I started a new thread to reduce clutter: "MDS hung
uesday, January 14, 2025 9:11 PM
To: Dan van der Ster
Cc: ceph-users@ceph.io
Subject: [ceph-users] Re: MDS crashing on startup
Hi Dan,
celebrating too early. Applying our tuned profile results in:
# sudo -u ceph ulimit
unlimited
# sysctl fs.file-max
fs.file-max = 26234859
Still, the MDS aborts
pus
Bygning 109, rum S14
From: Frank Schilder
Sent: Tuesday, January 14, 2025 9:11 PM
To: Dan van der Ster
Cc: ceph-users@ceph.io
Subject: [ceph-users] Re: MDS crashing on startup
Hi Dan,
celebrating too early. Applying our tuned profile results in:
# sudo
Hi Dan,
celebrating too early. Applying our tuned profile results in:
# sudo -u ceph ulimit
unlimited
# sysctl fs.file-max
fs.file-max = 26234859
Still, the MDS aborts in exactly the same way:
-88> 2025-01-14T14:57:54.511-0500 7f8a88613700 0 log_channel(cluster) log
[DBG] : reconnect by cl
Hi Dan,
thanks a ton! Now I feel really stupid. I'm "a bit" under stress, so I forgot
our ceph tuned profile. Thanks for reminding me and even more for providing
such pointers even though I should know better on my own.
Why is the message about " open file descriptions limit reached sd = " not
Hi Frank,
That abort looks like this:
} else if (r == -EMFILE || r == -ENFILE) {
lderr(msgr->cct) << __func__ << " open file descriptions
limit reached sd = " << listen_socket.fd()
<< " errno " << r << " " << cpp_strerror(r) << dendl;
if (++a
