[lustre-discuss] lustre filesystem in hung state

Raj rajgautam at gmail.com
Thu Feb 21 21:11:31 PST 2019


Anil,
Your error message show
o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib
which means it is trying to connect (opcode o8 is OST connect) to OST0003
ost of scratch file system which is hosted in 192.168.1.5 at o2ib nid OSS node
but the client has lost connection to the OSS node. This seems to me that
you are having network issue. You can ping server nid from client and try
to troubleshoot network issue:

client# lctl ping 192.168.1.5 at o2ib


On Tue, Feb 19, 2019 at 11:44 PM Anilkumar Naik <anilkumar.j.naik at gmail.com>
wrote:

> Dear All,
>
> Lustre file system goes to hung state and unable to know the exact issue
> with lustre. Kindly find below information and help us to know the fixes
> for flle system kernerl hung issue.
>
> Cluster Details:
>
> Oss node/server is mounted with below mount targets. We could able to
> mount the client with home mounts and its works for some time. After
> 10-15mins all the clients hangs and oss node get rebooted. Kindly help.
>
>  /dev/mapper/mdt-mgt        19G  446M   17G   3% /mdt-mgt
> /dev/mapper/mdt-home      140G  2.8G  128G   3% /mdt-home
> /dev/mapper/mdt-scratch   140G  759M  130G   1% /mdt-scratch
> /dev/mapper/ost-home      3.7T  2.4T  1.1T  69% /ost-home
>
> Below Lustre packages has been installed at oss node.
> ==============
> kernel-devel-2.6.32-431.23.3.el6_lustre.x86_64
> lustre-debuginfo-2.5.3-2.6.32_431.23.3.el6_lustre.x86_64.x86_64
> lustre-2.5.3-2.6.32_431.23.3.el6_lustre.x86_64.x86_64
> kernel-firmware-2.6.32-431.23.3.el6_lustre.x86_64
> lustre-iokit-2.5.3-2.6.32_431.23.3.el6_lustre.x86_64.x86_64
> kernel-2.6.32-431.23.3.el6_lustre.x86_64
> lustre-modules-2.5.3-2.6.32_431.23.3.el6_lustre.x86_64.x86_64
> lustre-tests-2.5.3-2.6.32_431.23.3.el6_lustre.x86_64.x86_64
> kernel-debuginfo-common-x86_64-2.6.32-431.23.3.el6_lustre.x86_64
> lustre-osd-ldiskfs-2.5.3-2.6.32_431.23.3.el6_lustre.x86_64.x86_64
> kernel-debuginfo-2.6.32-431.23.3.el6_lustre.x86_64
> =====================
>
> Lustre errors:
> =====
> Feb 20 06:22:06 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 06:29:11 oss1 kernel: LustreError: 137-5: scratch-OST0001_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 06:29:11 oss1 kernel: LustreError: Skipped 16 previous similar
> messages
> Feb 20 06:29:11 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 06:29:11 oss1 kernel: LustreError: Skipped 16 previous similar
> messages
> Feb 20 06:32:42 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550624551/real 0]  req at ffff880800be1000
> x1625913123994836/t0(0) o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550624562 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 06:32:42 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 15 previous
> similar messages
> Feb 20 06:39:36 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 06:39:36 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 06:39:36 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 06:39:36 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 06:43:12 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550625151/real 0]  req at ffff880800dcd000
> x1625913123996040/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550625192 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 06:43:12 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 06:50:01 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 06:50:01 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 06:50:01 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 06:50:01 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 06:53:57 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550625826/real 0]  req at ffff881005e88800
> x1625913123997352/t0(0) o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550625837 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 06:53:57 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 15 previous
> similar messages
> Feb 20 07:00:51 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 07:00:51 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 07:00:51 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 07:00:51 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 07:04:32 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550626426/real 0]  req at ffff880fc2b02800
> x1625913123998556/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550626472 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 07:04:32 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 07:12:06 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 07:12:06 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 07:12:06 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 07:12:06 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 07:14:42 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550627076/real 0]  req at ffff880fb1d50000
> x1625913123999836/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550627082 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 07:14:42 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 16 previous
> similar messages
> Feb 20 07:23:21 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 07:23:21 oss1 kernel: LustreError: Skipped 20 previous similar
> messages
> Feb 20 07:23:21 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 07:23:21 oss1 kernel: LustreError: Skipped 20 previous similar
> messages
> Feb 20 07:25:51 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> failed due to network error: [sent 1550627726/real 1550627751]
> req at ffff880fd292c000 x1625913124001124/t0(0)
> o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib:28/4 lens 400/544 e 0 to
> 1 dl 1550627782 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 07:25:51 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 07:33:46 oss1 kernel: LustreError: 137-5: scratch-OST0001_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 07:33:46 oss1 kernel: LustreError: Skipped 14 previous similar
> messages
> Feb 20 07:33:46 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 07:33:46 oss1 kernel: LustreError: Skipped 14 previous similar
> messages
> Feb 20 07:35:52 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550628326/real 0]  req at ffff880fb23b4c00
> x1625913124002296/t0(0) o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550628352 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 07:35:52 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 15 previous
> similar messages
> Feb 20 07:44:36 oss1 kernel: LustreError: 137-5: scratch-OST0001_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 07:44:36 oss1 kernel: LustreError: Skipped 18 previous similar
> messages
> Feb 20 07:44:36 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 07:44:36 oss1 kernel: LustreError: Skipped 18 previous similar
> messages
> Feb 20 07:47:31 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> failed due to network error: [sent 1550629001/real 1550629051]
> req at ffff880fb1fa6000 x1625913124003644/t0(0)
> o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4 lens 400/544 e 0 to
> 1 dl 1550629056 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 07:47:31 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 07:55:01 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 07:55:01 oss1 kernel: LustreError: Skipped 14 previous similar
> messages
> Feb 20 07:55:01 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 07:55:01 oss1 kernel: LustreError: Skipped 14 previous similar
> messages
> Feb 20 07:57:56 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> failed due to network error: [sent 1550629651/real 1550629676]
> req at ffff880fe52fd800 x1625913124004920/t0(0)
> o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib:28/4 lens 400/544 e 0 to
> 1 dl 1550629682 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 07:57:56 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 08:05:51 oss1 kernel: LustreError: 137-5: scratch-OST0001_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 08:05:51 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 08:05:51 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 08:05:51 oss1 kernel: LustreError: Skipped 18 previous similar
> messages
> Feb 20 08:08:46 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> failed due to network error: [sent 1550630276/real 1550630326]
> req at ffff880fb1f31400 x1625913124006160/t0(0)
> o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4 lens 400/544 e 0 to
> 1 dl 1550630332 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 08:08:46 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 15 previous
> similar messages
> Feb 20 08:16:16 oss1 kernel: LustreError: 137-5: scratch-OST0001_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 08:16:16 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 08:16:16 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 08:16:16 oss1 kernel: LustreError: Skipped 16 previous similar
> messages
> Feb 20 08:18:47 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550630901/real 0]  req at ffff880fb0c00000
> x1625913124007400/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550630927 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 08:18:47 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 08:27:31 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 08:27:31 oss1 kernel: LustreError: Skipped 16 previous similar
> messages
> Feb 20 08:27:31 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 08:27:31 oss1 kernel: LustreError: Skipped 16 previous similar
> messages
> Feb 20 08:30:26 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> failed due to network error: [sent 1550631576/real 1550631626]
> req at ffff880fb0ebb400 x1625913124008720/t0(0)
> o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4 lens 400/544 e 0 to
> 1 dl 1550631632 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 08:30:26 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 15 previous
> similar messages
> Feb 20 08:38:21 oss1 kernel: LustreError: 137-5: scratch-OST0001_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 08:38:21 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 08:38:21 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 08:38:21 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 08:40:32 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550632201/real 0]  req at ffff880fb0fd6000
> x1625913124009960/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550632232 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 08:40:32 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 08:49:36 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 08:49:36 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 08:49:36 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 08:49:36 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 08:50:51 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> failed due to network error: [sent 1550632801/real 1550632851]
> req at ffff880fab861000 x1625913124011132/t0(0)
> o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4 lens 400/544 e 0 to
> 1 dl 1550632857 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 08:50:51 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 13 previous
> similar messages
> Feb 20 09:00:01 oss1 kernel: LustreError: 137-5: scratch-OST0001_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 09:00:01 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 09:00:01 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 09:00:01 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 09:01:02 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550633426/real 0]  req at ffff880fb0f20000
> x1625913124012372/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550633462 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 09:01:02 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 09:11:16 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> failed due to network error: [sent 1550634026/real 1550634076]
> req at ffff881016296400 x1625913124013544/t0(0)
> o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4 lens 400/544 e 0 to
> 1 dl 1550634082 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 09:11:16 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 13 previous
> similar messages
> Feb 20 09:11:41 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 09:11:41 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 09:11:41 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 09:11:41 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 09:21:52 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550634676/real 0]  req at ffff880fb1dae400
> x1625913124014832/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550634712 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 09:21:52 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 09:22:06 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 09:22:06 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 09:22:06 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 09:22:06 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 09:32:42 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550635351/real 0]  req at ffff880fb0e9f800
> x1625913124016140/t0(0) o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550635362 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 09:32:42 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 15 previous
> similar messages
> Feb 20 09:32:56 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 09:32:56 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 09:32:56 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 09:32:56 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 09:43:12 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550635951/real 0]  req at ffff880fb0e79c00
> x1625913124017344/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550635992 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 09:43:12 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 09:43:21 oss1 kernel: LustreError: 137-5: scratch-OST0001_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 09:43:21 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 09:43:21 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 09:43:21 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 09:53:32 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550636601/real 0]  req at ffff880fc2466800
> x1625913124018600/t0(0) o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550636612 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 09:53:32 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 13 previous
> similar messages
> Feb 20 09:53:46 oss1 kernel: LustreError: 137-5: scratch-OST0001_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 09:53:46 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 09:53:46 oss1 kernel: LustreError: Skipped 13 previous similar
> messages
> Feb 20 09:53:46 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 09:53:46 oss1 kernel: LustreError: Skipped 13 previous similar
> messages
> Feb 20 10:03:37 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550637176/real 0]  req at ffff880fb1f71400
> x1625913124019756/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550637217 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 10:03:37 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 10:04:11 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 10:04:11 oss1 kernel: LustreError: Skipped 17 previous similar
> messages
> Feb 20 10:04:11 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 10:04:11 oss1 kernel: LustreError: Skipped 18 previous similar
> messages
> Feb 20 10:13:57 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550637826/real 0]  req at ffff880fb0d45c00
> x1625913124021024/t0(0) o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550637837 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 10:13:57 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 15 previous
> similar messages
> Feb 20 10:15:01 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 10:15:01 oss1 kernel: LustreError: Skipped 14 previous similar
> messages
> Feb 20 10:15:01 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 10:15:01 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 10:24:32 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550638426/real 0]  req at ffff880fb0d2b000
> x1625913124022228/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550638472 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 10:24:32 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 17 previous
> similar messages
> Feb 20 10:26:16 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 10:26:16 oss1 kernel: LustreError: Skipped 18 previous similar
> messages
> Feb 20 10:26:16 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 10:26:16 oss1 kernel: LustreError: Skipped 18 previous similar
> messages
> Feb 20 10:34:42 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550639076/real 0]  req at ffff880fb1cd2800
> x1625913124023492/t0(0) o8->scratch-OST0001-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550639082 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 10:34:42 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 14 previous
> similar messages
> Feb 20 10:36:41 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 10:36:41 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 10:36:41 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 10:36:41 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 10:45:01 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> failed due to network error: [sent 1550639676/real 1550639701]
> req at ffff880fb0e35000 x1625913124024684/t0(0)
> o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib:28/4 lens 400/544 e 0 to
> 1 dl 1550639731 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 10:45:01 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 16 previous
> similar messages
> Feb 20 10:47:06 oss1 kernel: LustreError: 137-5: scratch-OST0003_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 10:47:06 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 10:47:06 oss1 kernel: LustreError: 11-0:
> scratch-OST0003-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 10:47:06 oss1 kernel: LustreError: Skipped 15 previous similar
> messages
> Feb 20 10:55:27 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
> timed out for sent delay: [sent 1550640301/real 0]  req at ffff880fb0e70000
> x1625913124025896/t0(0) o8->scratch-OST0003-osc-MDT0000 at 192.168.1.5@o2ib:28/4
> lens 400/544 e 0 to 1 dl 1550640327 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> Feb 20 10:55:27 oss1 kernel: Lustre:
> 6285:0:(client.c:1918:ptlrpc_expire_one_request()) Skipped 14 previous
> similar messages
> Feb 20 10:57:56 oss1 kernel: LustreError: 137-5: scratch-OST0001_UUID: not
> available for connect from 0 at lo (no target). If you are running an HA
> pair check that the target is mounted on the other server.
> Feb 20 10:57:56 oss1 kernel: LustreError: Skipped 16 previous similar
> messages
> Feb 20 10:57:56 oss1 kernel: LustreError: 11-0:
> scratch-OST0001-osc-MDT0000: Communicating with 0 at lo, operation
> ost_connect failed with -19.
> Feb 20 10:57:56 oss1 kernel: LustreError: Skipped 16 previous similar
> messages
> =================
>
> --
> Regards,
> A J Naik
> Computer Centre, TIFR.
> +91 022 22782342 / 2121
>
> _______________________________________________
> lustre-discuss mailing list
> lustre-discuss at lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>
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