4 Dec
2020
4 Dec
'20
9:23 a.m.
Hi,
Not sure is it related to my 15.2.7 update, but today I got many time this issue:
2020-12-04T15:14:23.910799+0700 osd.40 (osd.40) 11 : cluster [DBG] 11.2 deep-scrub starts
2020-12-04T15:14:23.947255+0700 osd.40 (osd.40) 12 : cluster [ERR] 11.2 soid
11:434f049b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.372.1:head : omap_digest
0x48532c00 != omap_digest 0x8a18f5d7 from shard 40
2020-12-04T15:14:23.977138+0700 mgr.hk-cephmon-2s02 (mgr.2120884) 4330 : cluster [DBG]
pgmap v4338: 209 pgs: 209 active+clean; 2.8 GiB data, 21 TiB used, 513 TiB / 534 TiB
avail; 32 KiB/s rd, 32 op/s
2020-12-04T15:14:24.030888+0700 osd.40 (osd.40) 13 : cluster [ERR] 11.2 soid
11:4b86603b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.197.3:head : omap_digest
0xcb62779b != omap_digest 0xefef7471 from shard 40
2020-12-04T15:14:24.229000+0700 osd.40 (osd.40) 14 : cluster [ERR] 11.2 deep-scrub 0
missing, 2 inconsistent objects
2020-12-04T15:14:24.229003+0700 osd.40 (osd.40) 15 : cluster [ERR] 11.2 deep-scrub 2
errors
2020-12-04T15:14:25.978189+0700 mgr.hk-cephmon-2s02 (mgr.2120884) 4331 : cluster [DBG]
pgmap v4339: 209 pgs: 1 active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21
TiB used, 513 TiB / 534 TiB avail; 55 KiB/s rd, 0 B/s wr, 61 op/s
2020-12-04T15:14:27.978588+0700 mgr.hk-cephmon-2s02 (mgr.2120884) 4332 : cluster [DBG]
pgmap v4340: 209 pgs: 1 active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21
TiB used, 513 TiB / 534 TiB avail; 43 KiB/s rd, 0 B/s wr, 49 op/s
2020-12-04T15:14:30.293180+0700 mon.hk-cephmon-2s01 (mon.0) 4475 : cluster [ERR] Health
check failed: 2 scrub errors (OSD_SCRUB_ERRORS)
2020-12-04T15:14:30.293196+0700 mon.hk-cephmon-2s01 (mon.0) 4476 : cluster [ERR] Health
check failed: Possible data damage: 1 pg inconsistent (PG_DAMAGED)
I had to repair pg and it worked fine, but not sure where this come from. I have this in
the log only :/
Thank you.
________________________________
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4 Dec
4 Dec
9:32 a.m.
Hi,
this is not necessarily but most likely a hint to a (slowly) failing
disk. Check all OSDs for this PG for disk errors in dmesg and smartctl.
Regards,
Eugen
Zitat von "Szabo, Istvan (Agoda)" <Istvan.Szabo(a)agoda.com>om>:
Hi,
Not sure is it related to my 15.2.7 update, but today I got many
time this issue:
2020-12-04T15:14:23.910799+0700 osd.40 (osd.40) 11 : cluster [DBG]
11.2 deep-scrub starts
2020-12-04T15:14:23.947255+0700 osd.40 (osd.40) 12 : cluster [ERR]
11.2 soid
11:434f049b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.372.1:head :
omap_digest 0x48532c00 != omap_digest 0x8a18f5d7 from shard 40
2020-12-04T15:14:23.977138+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
4330 : cluster [DBG] pgmap v4338: 209 pgs: 209 active+clean; 2.8 GiB
data, 21 TiB used, 513 TiB / 534 TiB avail; 32 KiB/s rd, 32 op/s
2020-12-04T15:14:24.030888+0700 osd.40 (osd.40) 13 : cluster [ERR]
11.2 soid
11:4b86603b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.197.3:head :
omap_digest 0xcb62779b != omap_digest 0xefef7471 from shard 40
2020-12-04T15:14:24.229000+0700 osd.40 (osd.40) 14 : cluster [ERR]
11.2 deep-scrub 0 missing, 2 inconsistent objects
2020-12-04T15:14:24.229003+0700 osd.40 (osd.40) 15 : cluster [ERR]
11.2 deep-scrub 2 errors
2020-12-04T15:14:25.978189+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
4331 : cluster [DBG] pgmap v4339: 209 pgs: 1
active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
used, 513 TiB / 534 TiB avail; 55 KiB/s rd, 0 B/s wr, 61 op/s
2020-12-04T15:14:27.978588+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
4332 : cluster [DBG] pgmap v4340: 209 pgs: 1
active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
used, 513 TiB / 534 TiB avail; 43 KiB/s rd, 0 B/s wr, 49 op/s
2020-12-04T15:14:30.293180+0700 mon.hk-cephmon-2s01 (mon.0) 4475 :
cluster [ERR] Health check failed: 2 scrub errors (OSD_SCRUB_ERRORS)
2020-12-04T15:14:30.293196+0700 mon.hk-cephmon-2s01 (mon.0) 4476 :
cluster [ERR] Health check failed: Possible data damage: 1 pg
inconsistent (PG_DAMAGED)
I had to repair pg and it worked fine, but not sure where this come
from. I have this in the log only :/
Thank you.
________________________________
This message is confidential and is for the sole use of the intended
recipient(s). It may also be privileged or otherwise protected by
copyright or other legal rules. If you have received it by mistake
please let us know by reply email and delete it from your system. It
is prohibited to copy this message or disclose its content to
anyone. Any confidentiality or privilege is not waived or lost by
any mistaken delivery or unauthorized disclosure of the message. All
messages sent to and from Agoda may be monitored to ensure
compliance with company policies, to protect the company's interests
and to remove potential malware. Electronic messages may be
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9:37 a.m.
New subject: [Suspicious newsletter] Re: PG_DAMAGED
This is a completely new cluster with full ssd and nvme :/
-----Original Message-----
From: Eugen Block <eblock(a)nde.ag>
Sent: Friday, December 4, 2020 4:32 PM
To: ceph-users(a)ceph.io
Subject: [Suspicious newsletter] [ceph-users] Re: PG_DAMAGED
Email received from outside the company. If in doubt don't click links nor open
attachments!
________________________________
Hi,
this is not necessarily but most likely a hint to a (slowly) failing disk. Check all OSDs
for this PG for disk errors in dmesg and smartctl.
Regards,
Eugen
Zitat von "Szabo, Istvan (Agoda)" <Istvan.Szabo(a)agoda.com>om>:
Hi,
Not sure is it related to my 15.2.7 update, but today I got many time
this issue:
2020-12-04T15:14:23.910799+0700 osd.40 (osd.40) 11 : cluster [DBG]
11.2 deep-scrub starts
2020-12-04T15:14:23.947255+0700 osd.40 (osd.40) 12 : cluster [ERR]
11.2 soid
11:434f049b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.372.1:head :
omap_digest 0x48532c00 != omap_digest 0x8a18f5d7 from shard 40
2020-12-04T15:14:23.977138+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
4330 : cluster [DBG] pgmap v4338: 209 pgs: 209 active+clean; 2.8 GiB
data, 21 TiB used, 513 TiB / 534 TiB avail; 32 KiB/s rd, 32 op/s
2020-12-04T15:14:24.030888+0700 osd.40 (osd.40) 13 : cluster [ERR]
11.2 soid
11:4b86603b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.197.3:head :
omap_digest 0xcb62779b != omap_digest 0xefef7471 from shard 40
2020-12-04T15:14:24.229000+0700 osd.40 (osd.40) 14 : cluster [ERR]
11.2 deep-scrub 0 missing, 2 inconsistent objects
2020-12-04T15:14:24.229003+0700 osd.40 (osd.40) 15 : cluster [ERR]
11.2 deep-scrub 2 errors
2020-12-04T15:14:25.978189+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
4331 : cluster [DBG] pgmap v4339: 209 pgs: 1
active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
used, 513 TiB / 534 TiB avail; 55 KiB/s rd, 0 B/s wr, 61 op/s
2020-12-04T15:14:27.978588+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
4332 : cluster [DBG] pgmap v4340: 209 pgs: 1
active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
used, 513 TiB / 534 TiB avail; 43 KiB/s rd, 0 B/s wr, 49 op/s
2020-12-04T15:14:30.293180+0700 mon.hk-cephmon-2s01 (mon.0) 4475 :
cluster [ERR] Health check failed: 2 scrub errors (OSD_SCRUB_ERRORS)
2020-12-04T15:14:30.293196+0700 mon.hk-cephmon-2s01 (mon.0) 4476 :
cluster [ERR] Health check failed: Possible data damage: 1 pg
inconsistent (PG_DAMAGED)
I had to repair pg and it worked fine, but not sure where this come
from. I have this in the log only :/
Thank you.
________________________________
This message is confidential and is for the sole use of the intended
recipient(s). It may also be privileged or otherwise protected by
copyright or other legal rules. If you have received it by mistake
please let us know by reply email and delete it from your system. It
is prohibited to copy this message or disclose its content to anyone.
Any confidentiality or privilege is not waived or lost by any mistaken
delivery or unauthorized disclosure of the message. All messages sent
to and from Agoda may be monitored to ensure compliance with company
policies, to protect the company's interests and to remove potential
malware. Electronic messages may be intercepted, amended, lost or
deleted, or contain viruses.
_______________________________________________
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email to ceph-users-leave(a)ceph.io
_______________________________________________
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ceph-users-leave(a)ceph.io
________________________________
This message is confidential and is for the sole use of the intended recipient(s). It may
also be privileged or otherwise protected by copyright or other legal rules. If you have
received it by mistake please let us know by reply email and delete it from your system.
It is prohibited to copy this message or disclose its content to anyone. Any
confidentiality or privilege is not waived or lost by any mistaken delivery or
unauthorized disclosure of the message. All messages sent to and from Agoda may be
monitored to ensure compliance with company policies, to protect the company's
interests and to remove potential malware. Electronic messages may be intercepted,
amended, lost or deleted, or contain viruses.
9:46 a.m.
New subject: [Suspicious newsletter] Re: PG_DAMAGED
There's no guarantee that new disks can't be faulty. We had this last
year when we expanded our cluster with brand new servers and disks,
one of the new OSDs failed almost immediately.
You can wait and see how often this appears and if it's always the
same disk. Just keep it in mind.
Zitat von "Szabo, Istvan (Agoda)" <Istvan.Szabo(a)agoda.com>om>:
This is a completely new cluster with full ssd and
nvme :/
-----Original Message-----
From: Eugen Block <eblock(a)nde.ag>
Sent: Friday, December 4, 2020 4:32 PM
To: ceph-users(a)ceph.io
Subject: [Suspicious newsletter] [ceph-users] Re: PG_DAMAGED
Email received from outside the company. If in doubt don't click
links nor open attachments!
________________________________
Hi,
this is not necessarily but most likely a hint to a (slowly) failing
disk. Check all OSDs for this PG for disk errors in dmesg and
smartctl.
Regards,
Eugen
Zitat von "Szabo, Istvan (Agoda)" <Istvan.Szabo(a)agoda.com>om>:
Hi,
Not sure is it related to my 15.2.7 update, but today I got many time
this issue:
2020-12-04T15:14:23.910799+0700 osd.40 (osd.40) 11 : cluster [DBG]
11.2 deep-scrub starts
2020-12-04T15:14:23.947255+0700 osd.40 (osd.40) 12 : cluster [ERR]
11.2 soid
11:434f049b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.372.1:head :
omap_digest 0x48532c00 != omap_digest 0x8a18f5d7 from shard 40
2020-12-04T15:14:23.977138+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
4330 : cluster [DBG] pgmap v4338: 209 pgs: 209 active+clean; 2.8 GiB
data, 21 TiB used, 513 TiB / 534 TiB avail; 32 KiB/s rd, 32 op/s
2020-12-04T15:14:24.030888+0700 osd.40 (osd.40) 13 : cluster [ERR]
11.2 soid
11:4b86603b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.197.3:head :
omap_digest 0xcb62779b != omap_digest 0xefef7471 from shard 40
2020-12-04T15:14:24.229000+0700 osd.40 (osd.40) 14 : cluster [ERR]
11.2 deep-scrub 0 missing, 2 inconsistent objects
2020-12-04T15:14:24.229003+0700 osd.40 (osd.40) 15 : cluster [ERR]
11.2 deep-scrub 2 errors
2020-12-04T15:14:25.978189+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
4331 : cluster [DBG] pgmap v4339: 209 pgs: 1
active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
used, 513 TiB / 534 TiB avail; 55 KiB/s rd, 0 B/s wr, 61 op/s
2020-12-04T15:14:27.978588+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
4332 : cluster [DBG] pgmap v4340: 209 pgs: 1
active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
used, 513 TiB / 534 TiB avail; 43 KiB/s rd, 0 B/s wr, 49 op/s
2020-12-04T15:14:30.293180+0700 mon.hk-cephmon-2s01 (mon.0) 4475 :
cluster [ERR] Health check failed: 2 scrub errors (OSD_SCRUB_ERRORS)
2020-12-04T15:14:30.293196+0700 mon.hk-cephmon-2s01 (mon.0) 4476 :
cluster [ERR] Health check failed: Possible data damage: 1 pg
inconsistent (PG_DAMAGED)
I had to repair pg and it worked fine, but not sure where this come
from. I have this in the log only :/
Thank you.
________________________________
This message is confidential and is for the sole use of the intended
recipient(s). It may also be privileged or otherwise protected by
copyright or other legal rules. If you have received it by mistake
please let us know by reply email and delete it from your system. It
is prohibited to copy this message or disclose its content to anyone.
Any confidentiality or privilege is not waived or lost by any mistaken
delivery or unauthorized disclosure of the message. All messages sent
to and from Agoda may be monitored to ensure compliance with company
policies, to protect the company's interests and to remove potential
malware. Electronic messages may be intercepted, amended, lost or
deleted, or contain viruses.
_______________________________________________
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email to ceph-users-leave(a)ceph.io
_______________________________________________
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email to ceph-users-leave(a)ceph.io
________________________________
This message is confidential and is for the sole use of the intended
recipient(s). It may also be privileged or otherwise protected by
copyright or other legal rules. If you have received it by mistake
please let us know by reply email and delete it from your system. It
is prohibited to copy this message or disclose its content to
anyone. Any confidentiality or privilege is not waived or lost by
any mistaken delivery or unauthorized disclosure of the message. All
messages sent to and from Agoda may be monitored to ensure
compliance with company policies, to protect the company's interests
and to remove potential malware. Electronic messages may be
intercepted, amended, lost or deleted, or contain viruses. 
9:51 a.m.
Note that in this case the inconsistencies are not coming from object
reads, but from comparing the omap digests of an rgw index shard.
This seems to be a result of a replication issue sometime in the past
on this cluster.
On Fri, Dec 4, 2020 at 10:32 AM Eugen Block <eblock(a)nde.ag> wrote:
>
> Hi,
>
> this is not necessarily but most likely a hint to a (slowly) failing
> disk. Check all OSDs for this PG for disk errors in dmesg and smartctl.
>
> Regards,
> Eugen
>
>
> Zitat von "Szabo, Istvan (Agoda)" <Istvan.Szabo(a)agoda.com>om>:
>
> > Hi,
> >
> > Not sure is it related to my 15.2.7 update, but today I got many
> > time this issue:
> >
> > 2020-12-04T15:14:23.910799+0700 osd.40 (osd.40) 11 : cluster [DBG]
> > 11.2 deep-scrub starts
> > 2020-12-04T15:14:23.947255+0700 osd.40 (osd.40) 12 : cluster [ERR]
> > 11.2 soid
> > 11:434f049b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.372.1:head :
> > omap_digest 0x48532c00 != omap_digest 0x8a18f5d7 from shard 40
> > 2020-12-04T15:14:23.977138+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
> > 4330 : cluster [DBG] pgmap v4338: 209 pgs: 209 active+clean; 2.8 GiB
> > data, 21 TiB used, 513 TiB / 534 TiB avail; 32 KiB/s rd, 32 op/s
> > 2020-12-04T15:14:24.030888+0700 osd.40 (osd.40) 13 : cluster [ERR]
> > 11.2 soid
> > 11:4b86603b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.197.3:head :
> > omap_digest 0xcb62779b != omap_digest 0xefef7471 from shard 40
> > 2020-12-04T15:14:24.229000+0700 osd.40 (osd.40) 14 : cluster [ERR]
> > 11.2 deep-scrub 0 missing, 2 inconsistent objects
> > 2020-12-04T15:14:24.229003+0700 osd.40 (osd.40) 15 : cluster [ERR]
> > 11.2 deep-scrub 2 errors
> > 2020-12-04T15:14:25.978189+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
> > 4331 : cluster [DBG] pgmap v4339: 209 pgs: 1
> > active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
> > used, 513 TiB / 534 TiB avail; 55 KiB/s rd, 0 B/s wr, 61 op/s
> > 2020-12-04T15:14:27.978588+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
> > 4332 : cluster [DBG] pgmap v4340: 209 pgs: 1
> > active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
> > used, 513 TiB / 534 TiB avail; 43 KiB/s rd, 0 B/s wr, 49 op/s
> > 2020-12-04T15:14:30.293180+0700 mon.hk-cephmon-2s01 (mon.0) 4475 :
> > cluster [ERR] Health check failed: 2 scrub errors (OSD_SCRUB_ERRORS)
> > 2020-12-04T15:14:30.293196+0700 mon.hk-cephmon-2s01 (mon.0) 4476 :
> > cluster [ERR] Health check failed: Possible data damage: 1 pg
> > inconsistent (PG_DAMAGED)
> >
> > I had to repair pg and it worked fine, but not sure where this come
> > from. I have this in the log only :/
> >
> > Thank you.
> >
> > ________________________________
> > This message is confidential and is for the sole use of the intended
> > recipient(s). It may also be privileged or otherwise protected by
> > copyright or other legal rules. If you have received it by mistake
> > please let us know by reply email and delete it from your system. It
> > is prohibited to copy this message or disclose its content to
> > anyone. Any confidentiality or privilege is not waived or lost by
> > any mistaken delivery or unauthorized disclosure of the message. All
> > messages sent to and from Agoda may be monitored to ensure
> > compliance with company policies, to protect the company's interests
> > and to remove potential malware. Electronic messages may be
> > intercepted, amended, lost or deleted, or contain viruses.
> > _______________________________________________
> > ceph-users mailing list -- ceph-users(a)ceph.io
> > To unsubscribe send an email to ceph-users-leave(a)ceph.io
>
>
> _______________________________________________
> ceph-users mailing list -- ceph-users(a)ceph.io
> To unsubscribe send an email to ceph-users-leave(a)ceph.io
10:02 a.m.
Interesting, your comment implies that it is a replication issue, which
does not stem from a faulty disk. But, couldn't the disk have a bit
flip? Or would you argue that would've shown as a disk read error
somewhere (because of ECC on the disk.)
On 12/4/20 10:51 AM, Dan van der Ster wrote:
> Note that in this case the inconsistencies are not coming from object
> reads, but from comparing the omap digests of an rgw index shard.
> This seems to be a result of a replication issue sometime in the past
> on this cluster.
>
> On Fri, Dec 4, 2020 at 10:32 AM Eugen Block <eblock(a)nde.ag> wrote:
>>
>> Hi,
>>
>> this is not necessarily but most likely a hint to a (slowly) failing
>> disk. Check all OSDs for this PG for disk errors in dmesg and smartctl.
>>
>> Regards,
>> Eugen
>>
>>
>> Zitat von "Szabo, Istvan (Agoda)" <Istvan.Szabo(a)agoda.com>om>:
>>
>>> Hi,
>>>
>>> Not sure is it related to my 15.2.7 update, but today I got many
>>> time this issue:
>>>
>>> 2020-12-04T15:14:23.910799+0700 osd.40 (osd.40) 11 : cluster [DBG]
>>> 11.2 deep-scrub starts
>>> 2020-12-04T15:14:23.947255+0700 osd.40 (osd.40) 12 : cluster [ERR]
>>> 11.2 soid
>>> 11:434f049b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.372.1:head :
>>> omap_digest 0x48532c00 != omap_digest 0x8a18f5d7 from shard 40
>>> 2020-12-04T15:14:23.977138+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
>>> 4330 : cluster [DBG] pgmap v4338: 209 pgs: 209 active+clean; 2.8 GiB
>>> data, 21 TiB used, 513 TiB / 534 TiB avail; 32 KiB/s rd, 32 op/s
>>> 2020-12-04T15:14:24.030888+0700 osd.40 (osd.40) 13 : cluster [ERR]
>>> 11.2 soid
>>> 11:4b86603b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.197.3:head :
>>> omap_digest 0xcb62779b != omap_digest 0xefef7471 from shard 40
>>> 2020-12-04T15:14:24.229000+0700 osd.40 (osd.40) 14 : cluster [ERR]
>>> 11.2 deep-scrub 0 missing, 2 inconsistent objects
>>> 2020-12-04T15:14:24.229003+0700 osd.40 (osd.40) 15 : cluster [ERR]
>>> 11.2 deep-scrub 2 errors
>>> 2020-12-04T15:14:25.978189+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
>>> 4331 : cluster [DBG] pgmap v4339: 209 pgs: 1
>>> active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
>>> used, 513 TiB / 534 TiB avail; 55 KiB/s rd, 0 B/s wr, 61 op/s
>>> 2020-12-04T15:14:27.978588+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
>>> 4332 : cluster [DBG] pgmap v4340: 209 pgs: 1
>>> active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
>>> used, 513 TiB / 534 TiB avail; 43 KiB/s rd, 0 B/s wr, 49 op/s
>>> 2020-12-04T15:14:30.293180+0700 mon.hk-cephmon-2s01 (mon.0) 4475 :
>>> cluster [ERR] Health check failed: 2 scrub errors (OSD_SCRUB_ERRORS)
>>> 2020-12-04T15:14:30.293196+0700 mon.hk-cephmon-2s01 (mon.0) 4476 :
>>> cluster [ERR] Health check failed: Possible data damage: 1 pg
>>> inconsistent (PG_DAMAGED)
>>>
>>> I had to repair pg and it worked fine, but not sure where this come
>>> from. I have this in the log only :/
>>>
>>> Thank you.
>>>
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>>
>>
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10:23 a.m.
In my experience inconsistencies caused by IO errors always have a
SCSI Medium Error showing up in the kernel logs. (dmesg, journalctl
-k, /v/l/messages, ...)
(Except in the case of one very bad non-enterprise SMR drive I run at
home, not at work).
-- dan
On Fri, Dec 4, 2020 at 11:03 AM Hans van den Bogert
<hansbogert(a)gmail.com> wrote:
>
> Interesting, your comment implies that it is a replication issue, which
> does not stem from a faulty disk. But, couldn't the disk have a bit
> flip? Or would you argue that would've shown as a disk read error
> somewhere (because of ECC on the disk.)
>
> On 12/4/20 10:51 AM, Dan van der Ster wrote:
> > Note that in this case the inconsistencies are not coming from object
> > reads, but from comparing the omap digests of an rgw index shard.
> > This seems to be a result of a replication issue sometime in the past
> > on this cluster.
> >
> > On Fri, Dec 4, 2020 at 10:32 AM Eugen Block <eblock(a)nde.ag> wrote:
> >>
> >> Hi,
> >>
> >> this is not necessarily but most likely a hint to a (slowly) failing
> >> disk. Check all OSDs for this PG for disk errors in dmesg and smartctl.
> >>
> >> Regards,
> >> Eugen
> >>
> >>
> >> Zitat von "Szabo, Istvan (Agoda)" <Istvan.Szabo(a)agoda.com>om>:
> >>
> >>> Hi,
> >>>
> >>> Not sure is it related to my 15.2.7 update, but today I got many
> >>> time this issue:
> >>>
> >>> 2020-12-04T15:14:23.910799+0700 osd.40 (osd.40) 11 : cluster [DBG]
> >>> 11.2 deep-scrub starts
> >>> 2020-12-04T15:14:23.947255+0700 osd.40 (osd.40) 12 : cluster [ERR]
> >>> 11.2 soid
> >>>
11:434f049b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.372.1:head :
> >>> omap_digest 0x48532c00 != omap_digest 0x8a18f5d7 from shard 40
> >>> 2020-12-04T15:14:23.977138+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
> >>> 4330 : cluster [DBG] pgmap v4338: 209 pgs: 209 active+clean; 2.8 GiB
> >>> data, 21 TiB used, 513 TiB / 534 TiB avail; 32 KiB/s rd, 32 op/s
> >>> 2020-12-04T15:14:24.030888+0700 osd.40 (osd.40) 13 : cluster [ERR]
> >>> 11.2 soid
> >>>
11:4b86603b:::.dir.75333f99-93d0-4238-91a4-ba833a0edd24.1744118.197.3:head :
> >>> omap_digest 0xcb62779b != omap_digest 0xefef7471 from shard 40
> >>> 2020-12-04T15:14:24.229000+0700 osd.40 (osd.40) 14 : cluster [ERR]
> >>> 11.2 deep-scrub 0 missing, 2 inconsistent objects
> >>> 2020-12-04T15:14:24.229003+0700 osd.40 (osd.40) 15 : cluster [ERR]
> >>> 11.2 deep-scrub 2 errors
> >>> 2020-12-04T15:14:25.978189+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
> >>> 4331 : cluster [DBG] pgmap v4339: 209 pgs: 1
> >>> active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
> >>> used, 513 TiB / 534 TiB avail; 55 KiB/s rd, 0 B/s wr, 61 op/s
> >>> 2020-12-04T15:14:27.978588+0700 mgr.hk-cephmon-2s02 (mgr.2120884)
> >>> 4332 : cluster [DBG] pgmap v4340: 209 pgs: 1
> >>> active+clean+scrubbing+deep, 208 active+clean; 2.8 GiB data, 21 TiB
> >>> used, 513 TiB / 534 TiB avail; 43 KiB/s rd, 0 B/s wr, 49 op/s
> >>> 2020-12-04T15:14:30.293180+0700 mon.hk-cephmon-2s01 (mon.0) 4475 :
> >>> cluster [ERR] Health check failed: 2 scrub errors (OSD_SCRUB_ERRORS)
> >>> 2020-12-04T15:14:30.293196+0700 mon.hk-cephmon-2s01 (mon.0) 4476 :
> >>> cluster [ERR] Health check failed: Possible data damage: 1 pg
> >>> inconsistent (PG_DAMAGED)
> >>>
> >>> I had to repair pg and it worked fine, but not sure where this come
> >>> from. I have this in the log only :/
> >>>
> >>> Thank you.
> >>>
> >>> ________________________________
> >>> This message is confidential and is for the sole use of the intended
> >>> recipient(s). It may also be privileged or otherwise protected by
> >>> copyright or other legal rules. If you have received it by mistake
> >>> please let us know by reply email and delete it from your system. It
> >>> is prohibited to copy this message or disclose its content to
> >>> anyone. Any confidentiality or privilege is not waived or lost by
> >>> any mistaken delivery or unauthorized disclosure of the message. All
> >>> messages sent to and from Agoda may be monitored to ensure
> >>> compliance with company policies, to protect the company's
interests
> >>> and to remove potential malware. Electronic messages may be
> >>> intercepted, amended, lost or deleted, or contain viruses.
> >>> _______________________________________________
> >>> ceph-users mailing list -- ceph-users(a)ceph.io
> >>> To unsubscribe send an email to ceph-users-leave(a)ceph.io
> >>
> >>
> >> _______________________________________________
> >> ceph-users mailing list -- ceph-users(a)ceph.io
> >> To unsubscribe send an email to ceph-users-leave(a)ceph.io
> > _______________________________________________
> > ceph-users mailing list -- ceph-users(a)ceph.io
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> >
> _______________________________________________
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1238
days inactive
1238
days old
6 comments
4 participants
participants (4)
-
Dan van der Ster -
Eugen Block -
Hans van den Bogert -
Szabo, Istvan (Agoda)