Re: Odd "Transport endpoint is not connected" when trying to gunzip a file

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Check with top & iotop the load.
Especially check the wait for I/O in top.

Did you check dmesg for any clues ?

Best Regards,
Strahil Nikolov

On Thu, Jun 16, 2022 at 22:59, Pat Haley
<phaley@xxxxxxx> wrote:


Hi Strahil,

I poked around our logs, and found this on the front-end (from the day & time of the last time we had the issue)


Jun 15 10:51:17 mseas gdata[155485]: [2022-06-15 14:51:17.263858] C [rpc-clnt-ping.c:165:rpc_clnt_ping_timer_expired] 0-data-volume-client-2: server 172.16.1.113:49153 has not responded in the last 42 seconds, disconnecting.


This would indicate that the problem is related.  For us, however, I believe we can reproduce this issue at will (i.e. simply try to gunzip the same file). Unfortunately I have to go to a meeting now, but if you have some specific tests you'd like me to try, I can try them when I get back.

Thanks

Pat



On 6/16/22 3:07 PM, Strahil Nikolov wrote:
Pat, 

Can you check the cpu and disk  performance when the volume reports the issue?


It seems that similar issue was reported in https://lists.gluster.org/pipermail/gluster-users/2019-March/035944.html but I don't see a clear solution.
Take a look in the thread and check if it matches your symptoms.


Best Regards,
Strahil Nikolov

On Thu, Jun 16, 2022 at 18:14, Pat Haley


Hi Strahil,

I poked around again and for brick 3 (where the file we were testing resides)  I only found the same log file as was at the bottom of my first Email:


---------------------------------------------------
mseas-data3:  bricks/export-sda-brick3.log
-----------------------------------------
[2022-06-15 14:50:42.588143] I [MSGID: 115036] [server.c:552:server_rpc_notify] 0-data-volume-server: disconnecting connection from mseas.mit.edu-155483-2022/05/13-03:24:14:618694-data-volume-client-2-0-28
[2022-06-15 14:50:42.588220] I [MSGID: 115013] [server-helpers.c:294:do_fd_cleanup] 0-data-volume-server: fd cleanup on /projects/posydon/Acoustics_ASA/MSEAS-ParEq-DO/Save/2D/Test_Cases/RI/DO_NAPE_JASA_Paper/Uncertain_Pekeris_Waveguide_DO_MC
[2022-06-15 14:50:42.588259] I [MSGID: 115013] [server-helpers.c:294:do_fd_cleanup] 0-data-volume-server: fd cleanup on /projects/dri_calypso/PE/2019/Apr09/Ens3R200deg001/pe_out.nc.gz
[2022-06-15 14:50:42.588288] I [MSGID: 101055] [client_t.c:420:gf_client_unref] 0-data-volume-server: Shutting down connection mseas.mit.edu-155483-2022/05/13-03:24:14:618694-data-volume-client-2-0-28
[2022-06-15 14:50:53.605215] I [MSGID: 115029] [server-handshake.c:690:server_setvolume] 0-data-volume-server: accepted client from mseas.mit.edu-155483-2022/05/13-03:24:14:618694-data-volume-client-2-0-29 (version: 3.7.11)
[2022-06-15 14:50:42.588247] I [MSGID: 115013] [server-helpers.c:294:do_fd_cleanup] 0-data-volume-server: fd cleanup on /projects/posydon/Acoustics_ASA/MSEAS-ParEq-DO/Save/2D/Test_Cases/RI/DO_NAPE_JASA_Paper/Uncertain_Pekeris_Waveguide_DO_MC

Thanks

Pat


On 6/15/22 6:47 PM, Strahil Nikolov wrote:
I agree. It will be very hard to debug.

Anything in the brick logs ?

I think it's pointless to mention that EL6 is dead and Gluster v3 is so old that it's worth considering a migration to a newer setup.

Best Regards,
Strahil Nikolov

On Wed, Jun 15, 2022 at 22:51, Yaniv Kaul
________



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-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Pat Haley                          Email:  phaley@xxxxxxx
Center for Ocean Engineering       Phone:  (617) 253-6824
Dept. of Mechanical Engineering    Fax:    (617) 253-8125
MIT, Room 5-213                    http://web.mit.edu/phaley/www/
77 Massachusetts Avenue
Cambridge, MA  02139-4301
-- 

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Pat Haley                          Email:  phaley@xxxxxxx
Center for Ocean Engineering       Phone:  (617) 253-6824
Dept. of Mechanical Engineering    Fax:    (617) 253-8125
MIT, Room 5-213                    http://web.mit.edu/phaley/www/
77 Massachusetts Avenue
Cambridge, MA  02139-4301
________



Community Meeting Calendar:

Schedule -
Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
Bridge: https://meet.google.com/cpu-eiue-hvk
Gluster-users mailing list
Gluster-users@xxxxxxxxxxx
https://lists.gluster.org/mailman/listinfo/gluster-users

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