Hi,
I have RAID0 for each disks, unfortunately my raid doesn't support JBOD.
Apart from this I also run separate cluster with Jewel 10.2.9 on RAID0
and there is no such problem(I just tested it). Moreover, a cluster that
has this issue used to run Firefly with RAID0 and everything was fine.
W dniu 31.08.2017 o 18:14, Hervé Ballans pisze:
Hi Piotr,
Just to verify one point, how are connected your disks (physically),
in a NON-RAID or RAID0 mode ?
rv
Le 31/08/2017 à 16:24, Piotr Dzionek a écrit :
For a last 3 weeks I have been running latest LTS Luminous Ceph
release on CentOS7. It started with 4th RC and now I have Stable
Release.
Cluster runs fine, however I noticed that if I do a reboot of one the
nodes, it takes a really long time for cluster to be in ok status.
Osds are starting up, but not as soon as the server is up. They are
up one by one during a period of 5 minutes. I checked the logs and
all osds have following errors.
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These are different systemd units ceph-osd.target and ceph-osd.target
so they have separate dependencies. So I guess this is nothing weird.
W dniu 31.08.2017 o 17:13, Dan van der Ster pisze:
Random theory... I just noticed that the ceph-osd's are listed twice
[1] in the output of systemctl list-dependencies.
Is that correct?!!!
-- dan
[1] > systemctl list-dependencies
...
● ├─ceph-mds.target
● ├─ceph-mon.target
● ├─ceph-osd.target
● │ ├─ceph-osd@48.service
● │ ├─ceph-osd@49.service
● │ ├─ceph-osd@50.service
● │ ├─ceph-osd@51.service
● │ ├─ceph-osd@53.service
● │ ├─ceph-osd@54.service
● │ ├─ceph-osd@55.service
● │ ├─ceph-osd@56.service
● │ ├─ceph-osd@59.service
● │ ├─ceph-osd@61.service
● │ ├─ceph-osd@63.service
● │ ├─ceph-osd@65.service
● │ ├─ceph-osd@68.service
● │ ├─ceph-osd@70.service
● │ ├─ceph-osd@74.service
● │ ├─ceph-osd@80.service
● │ ├─ceph-osd@81.service
● │ ├─ceph-osd@82.service
● │ ├─ceph-osd@83.service
● │ ├─ceph-osd@84.service
● │ ├─ceph-osd@89.service
● │ ├─ceph-osd@90.service
● │ ├─ceph-osd@91.service
● │ └─ceph-osd@92.service
● ├─ceph.target
● │ ├─ceph-mds.target
● │ ├─ceph-mon.target
● │ └─ceph-osd.target
● │ ├─ceph-osd@48.service
● │ ├─ceph-osd@49.service
● │ ├─ceph-osd@50.service
● │ ├─ceph-osd@51.service
● │ ├─ceph-osd@53.service
● │ ├─ceph-osd@54.service
● │ ├─ceph-osd@55.service
● │ ├─ceph-osd@56.service
● │ ├─ceph-osd@59.service
● │ ├─ceph-osd@61.service
● │ ├─ceph-osd@63.service
● │ ├─ceph-osd@65.service
● │ ├─ceph-osd@68.service
● │ ├─ceph-osd@70.service
● │ ├─ceph-osd@74.service
● │ ├─ceph-osd@80.service
● │ ├─ceph-osd@81.service
● │ ├─ceph-osd@82.service
● │ ├─ceph-osd@83.service
● │ ├─ceph-osd@84.service
● │ ├─ceph-osd@89.service
● │ ├─ceph-osd@90.service
● │ ├─ceph-osd@91.service
● │ └─ceph-osd@92.service
● ├─getty.target
...
I tested it on jewel 10.2.9 and I don't see this issue here.
On Thu, Aug 31, 2017 at 4:57 PM, Dan van der Ster <dan@xxxxxxxxxxxxxx> wrote:
Hi,
I see the same with jewel on el7 -- it started one of the recent point
releases around ~10.2.5, IIRC.
Problem seems to be the same -- daemon is started before the osd is
mounted... then the service waits several seconds before trying again.
Aug 31 15:41:47 ceph-osd: 2017-08-31 15:41:47.267661 7f2e49731800 -1
#033[0;31m ** ERROR: unable to open OSD superblock on
/var/lib/ceph/osd/ceph-89: (2) No such file or directory#033[0m
Aug 31 15:41:47 ceph-osd: starting osd.55 at :/0 osd_data
/var/lib/ceph/osd/ceph-55 /var/lib/ceph/osd/ceph-55/journal
Aug 31 15:41:47 systemd: ceph-osd@89.service: main process exited,
code=exited, status=1/FAILURE
Aug 31 15:41:47 systemd: Unit ceph-osd@89.service entered failed state.
Aug 31 15:41:47 systemd: ceph-osd@89.service failed.
Aug 31 15:41:47 kernel: XFS (sdi1): Ending clean mount
Aug 31 15:41:47 rc.local: Removed symlink
/etc/systemd/system/ceph-osd.target.wants/ceph-osd@54.service.
Aug 31 15:41:47 systemd: Reloading.
Aug 31 15:41:47 systemd: Reloading.
Aug 31 15:41:47 rc.local: Created symlink from
/etc/systemd/system/ceph-osd.target.wants/ceph-osd@54.service to
/usr/lib/systemd/system/ceph-osd@.service.
Aug 31 15:41:47 systemd: Reloading.
Aug 31 15:41:55 ceph-osd: 2017-08-31 15:41:55.425566 7f74b92e1800 -1
osd.55 123659 log_to_monitors {default=true}
Aug 31 15:42:07 systemd: ceph-osd@84.service holdoff time over,
scheduling restart.
Aug 31 15:42:07 systemd: ceph-osd@61.service holdoff time over,
scheduling restart.
Aug 31 15:42:07 systemd: ceph-osd@83.service holdoff time over,
scheduling restart.
Aug 31 15:42:07 systemd: ceph-osd@80.service holdoff time over,
scheduling restart.
Aug 31 15:42:07 systemd: ceph-osd@70.service holdoff time over,
scheduling restart.
Aug 31 15:42:07 systemd: ceph-osd@65.service holdoff time over,
scheduling restart.
Aug 31 15:42:07 systemd: ceph-osd@82.service holdoff time over,
scheduling restart.
Aug 31 15:42:07 systemd: ceph-osd@89.service holdoff time over,
scheduling restart.
-- Dan
On Thu, Aug 31, 2017 at 4:24 PM, Piotr Dzionek <piotr.dzionek@xxxxxxxx> wrote:
Hi,
For a last 3 weeks I have been running latest LTS Luminous Ceph release on
CentOS7. It started with 4th RC and now I have Stable Release.
Cluster runs fine, however I noticed that if I do a reboot of one the nodes,
it takes a really long time for cluster to be in ok status.
Osds are starting up, but not as soon as the server is up. They are up one
by one during a period of 5 minutes. I checked the logs and all osds have
following errors.
2017-08-30 15:27:52.541366 7f7dabd0d700 30 Event(0x7f7dbc9f4a80 nevent=5000
time_id=62).process_events event_wq process is 11 mask is 1
2017-08-30 15:51:03.639222 7faf11c3ed00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:51:03.639342 7faf11c3ed00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 3037
2017-08-30 15:51:03.672898 7faf11c3ed00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:51:42.453334 7f9f55f11d00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:51:42.453352 7f9f55f11d00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 7366
2017-08-30 15:51:42.453590 7f9f55f11d00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:52:03.199062 7effa00cad00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:52:03.199081 7effa00cad00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 7747
2017-08-30 15:52:03.199323 7effa00cad00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:52:23.967466 7ff008c2cd00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:52:23.967483 7ff008c2cd00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 8016
2017-08-30 15:52:23.967714 7ff008c2cd00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:52:44.716646 7fc2bd322d00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:52:44.716664 7fc2bd322d00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 8808
2017-08-30 15:52:44.716892 7fc2bd322d00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:53:06.214611 7f4583e70d00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:53:06.214629 7f4583e70d00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 9184
2017-08-30 15:53:06.214855 7f4583e70d00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:53:26.955944 7f1dfea39d00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:53:26.955962 7f1dfea39d00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 9417
2017-08-30 15:53:26.956191 7f1dfea39d00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:53:47.714131 7fabbc5cfd00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:53:47.714149 7fabbc5cfd00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 10469
2017-08-30 15:53:47.714383 7fabbc5cfd00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:54:08.708602 7f32fae4fd00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:54:08.708616 7f32fae4fd00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 11152
2017-08-30 15:54:08.708898 7f32fae4fd00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:54:29.454000 7faea1004d00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:54:29.454016 7faea1004d00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 11751
2017-08-30 15:54:29.454243 7faea1004d00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:54:50.207237 7f0c1701ed00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:54:50.207253 7f0c1701ed00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 12878
2017-08-30 15:54:50.207431 7f0c1701ed00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:55:11.237106 7f571b1ffd00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:55:11.237122 7f571b1ffd00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 13542
2017-08-30 15:55:11.237363 7f571b1ffd00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:55:34.709073 7f672394dd00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:55:34.709089 7f672394dd00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 14717
2017-08-30 15:55:34.709330 7f672394dd00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:56:13.431601 7f4ace0bad00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:56:13.431616 7f4ace0bad00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 16148
2017-08-30 15:56:13.431881 7f4ace0bad00 -1 ESC[0;31m ** ERROR: unable to
open OSD superblock on /var/lib/ceph/osd/ceph-27: (2) No such file or
directoryESC[0m
2017-08-30 15:56:14.565304 7fa09c9f1d00 0 set uid:gid to 167:167
(ceph:ceph)
2017-08-30 15:56:14.565320 7fa09c9f1d00 0 ceph version 12.2.0
(32ce2a3ae5239ee33d6150705cdb24d43bab910c) luminous (rc), process (unknown),
pid 16384
As you can see the xfs volume(the part with meta-data) is not mounted yet.
My question here, what mounts it and why it takes so long ? Maybe there is a
setting that randomizes the start up process of osds running on the same
node?
Kind regards,
Piotr Dzionek
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