-------- Original Message --------
Subject: Re: self-heal not working
Local Time: August 28, 2017 5:58 AM
UTC Time: August 28, 2017 3:58 AM
On 08/28/2017 01:57 AM, Ben Turner wrote:
> ----- Original Message -----
>> Sent: Sunday, August 27, 2017 3:15:33 PM
>> Subject: Re: self-heal not working
>>
>> Thanks Ravi for your analysis. So as far as I
understand nothing to worry
>> about but my question now would be: how do I get
rid of this file from the
>> heal info?
> Correct me if I am wrong but clearing this is just a
matter of resetting the afr.dirty xattr? @Ravi - Is this
correct?
Yes resetting the xattr and launching index heal or running
heal-info
command should serve as a workaround.
-Ravi
>
> -b
>
>>> -------- Original Message --------
>>> Subject: Re: self-heal not
working
>>> Local Time: August 27, 2017 3:45 PM
>>> UTC Time: August 27, 2017 1:45 PM
>>>
>>> Yes, the shds did pick up the file for healing
(I saw messages like " got
>>> entry: 1985e233-d5ee-4e3e-a51a-cf0b5f9f2aea")
but no error afterwards.
>>>
>>> Anyway I reproduced it by manually setting the
afr.dirty bit for a zero
>>> byte file on all 3 bricks. Since there are no
afr pending xattrs
>>> indicating good/bad copies and all files are
zero bytes, the data
>>> self-heal algorithm just picks the file with
the latest ctime as source.
>>> In your case that was the arbiter brick. In
the code, there is a check to
>>> prevent data heals if arbiter is the source.
So heal was not happening and
>>> the entries were not removed from heal-info
output.
>>>
>>> Perhaps we should add a check in the code to
just remove the entries from
>>> heal-info if size is zero bytes in all bricks.
>>>
>>> -Ravi
>>>
>>> On 08/25/2017 06:33 PM, mabi wrote:
>>>
>>>> Hi Ravi,
>>>>
>>>> Did you get a chance to have a look at the
log files I have attached in my
>>>> last mail?
>>>>
>>>> Best,
>>>> Mabi
>>>>
>>>>> -------- Original Message --------
>>>>> Subject: Re: self-heal
not working
>>>>> Local Time: August 24, 2017 12:08 PM
>>>>> UTC Time: August 24, 2017 10:08 AM
>>>>> To: Ravishankar N
>>>>>
>>>>> Thanks for confirming the command. I
have now enabled DEBUG
>>>>> client-log-level, run a heal and then
attached the glustershd log files
>>>>> of all 3 nodes in this mail.
>>>>>
>>>>> The volume concerned is called
myvol-pro, the other 3 volumes have no
>>>>> problem so far.
>>>>>
>>>>> Also note that in the mean time it
looks like the file has been deleted
>>>>> by the user and as such the heal info
command does not show the file
>>>>> name anymore but just is GFID which
is:
>>>>>
>>>>>
gfid:1985e233-d5ee-4e3e-a51a-cf0b5f9f2aea
>>>>>
>>>>> Hope that helps for debugging this
issue.
>>>>>
>>>>>> -------- Original Message --------
>>>>>> Subject: Re:
self-heal not working
>>>>>> Local Time: August 24, 2017 5:58
AM
>>>>>> UTC Time: August 24, 2017 3:58 AM
>>>>>>
>>>>>> Unlikely. In your case only the
afr.dirty is set, not the
>>>>>> afr.volname-client-xx xattr.
>>>>>>
>>>>>> `gluster volume set myvolume
diagnostics.client-log-level DEBUG` is
>>>>>> right.
>>>>>>
>>>>>> On 08/23/2017 10:31 PM, mabi
wrote:
>>>>>>
>>>>>>> I just saw the following bug
which was fixed in 3.8.15:
>>>>>>>
>>>>>>>
>>>>>>> Is it possible that the
problem I described in this post is related to
>>>>>>> that bug?
>>>>>>>
>>>>>>>> -------- Original Message
--------
>>>>>>>> Subject: Re:
self-heal not working
>>>>>>>> Local Time: August 22,
2017 11:51 AM
>>>>>>>> UTC Time: August 22, 2017
9:51 AM
>>>>>>>>
>>>>>>>> On 08/22/2017 02:30 PM,
mabi wrote:
>>>>>>>>
>>>>>>>>> Thanks for the
additional hints, I have the following 2 questions
>>>>>>>>> first:
>>>>>>>>>
>>>>>>>>> - In order to launch
the index heal is the following command correct:
>>>>>>>>> gluster volume heal
myvolume
>>>>>>>> Yes
>>>>>>>>
>>>>>>>>> - If I run a "volume
start force" will it have any short disruptions
>>>>>>>>> on my clients which
mount the volume through FUSE? If yes, how long?
>>>>>>>>> This is a production
system that"s why I am asking.
>>>>>>>> No. You can actually
create a test volume on your personal linux box
>>>>>>>> to try these kinds of
things without needing multiple machines. This
>>>>>>>> is how we develop and test
our patches :)
>>>>>>>> "gluster volume create
testvol replica 3 /home/mabi/bricks/brick{1..3}
>>>>>>>> force` and so on.
>>>>>>>>
>>>>>>>> HTH,
>>>>>>>> Ravi
>>>>>>>>
>>>>>>>>>> -------- Original
Message --------
>>>>>>>>>> Subject: Re:
self-heal not working
>>>>>>>>>> Local Time: August
22, 2017 6:26 AM
>>>>>>>>>> UTC Time: August
22, 2017 4:26 AM
>>>>>>>>>> Gluster Users
>>>>>>>>>>
>>>>>>>>>> Explore the
following:
>>>>>>>>>>
>>>>>>>>>> - Launch index
heal and look at the glustershd logs of all bricks
>>>>>>>>>> for possible
errors
>>>>>>>>>>
>>>>>>>>>> - See if the
glustershd in each node is connected to all bricks.
>>>>>>>>>>
>>>>>>>>>> - If not try to
restart shd by `volume start force`
>>>>>>>>>>
>>>>>>>>>> - Launch index
heal again and try.
>>>>>>>>>>
>>>>>>>>>> - Try debugging
the shd log by setting client-log-level to DEBUG
>>>>>>>>>> temporarily.
>>>>>>>>>>
>>>>>>>>>> On 08/22/2017
03:19 AM, mabi wrote:
>>>>>>>>>>
>>>>>>>>>>> Sure, it
doesn"t look like a split brain based on the output:
>>>>>>>>>>>
>>>>>>>>>>> Brick
node1.domain.tld:/data/myvolume/brick
>>>>>>>>>>> Status:
Connected
>>>>>>>>>>> Number of
entries in split-brain: 0
>>>>>>>>>>>
>>>>>>>>>>> Brick
node2.domain.tld:/data/myvolume/brick
>>>>>>>>>>> Status:
Connected
>>>>>>>>>>> Number of
entries in split-brain: 0
>>>>>>>>>>>
>>>>>>>>>>> Brick
node3.domain.tld:/srv/glusterfs/myvolume/brick
>>>>>>>>>>> Status:
Connected
>>>>>>>>>>> Number of
entries in split-brain: 0
>>>>>>>>>>>
>>>>>>>>>>>> --------
Original Message --------
>>>>>>>>>>>> Subject:
Re: self-heal not working
>>>>>>>>>>>> Local
Time: August 21, 2017 11:35 PM
>>>>>>>>>>>> UTC Time:
August 21, 2017 9:35 PM
>>>>>>>>>>>> Gluster
Users
>>>>>>>>>>>>
>>>>>>>>>>>> Can you
also provide:
>>>>>>>>>>>>
>>>>>>>>>>>> gluster v
heal <my vol> info split-brain
>>>>>>>>>>>>
>>>>>>>>>>>> If it is
split brain just delete the incorrect file from the brick
>>>>>>>>>>>> and run
heal again. I haven"t tried this with arbiter but I
>>>>>>>>>>>> assume the
process is the same.
>>>>>>>>>>>>
>>>>>>>>>>>> -b
>>>>>>>>>>>>
>>>>>>>>>>>> -----
Original Message -----
>>>>>>>>>>>>> To:
"Ben Turner"
>>>>>>>>>>>>> Cc:
"Gluster Users"
>>>>>>>>>>>>> Sent:
Monday, August 21, 2017 4:55:59 PM
>>>>>>>>>>>>>
Subject: Re: self-heal not working
>>>>>>>>>>>>>
>>>>>>>>>>>>> Hi
Ben,
>>>>>>>>>>>>>
>>>>>>>>>>>>> So it
is really a 0 kBytes file everywhere (all nodes including
>>>>>>>>>>>>> the
arbiter
>>>>>>>>>>>>> and
from the client).
>>>>>>>>>>>>> Here
below you will find the output you requested. Hopefully that
>>>>>>>>>>>>> will
help
>>>>>>>>>>>>> to
find out why this specific file is not healing... Let me know
>>>>>>>>>>>>> if you
need
>>>>>>>>>>>>> any
more information. Btw node3 is my arbiter node.
>>>>>>>>>>>>>
>>>>>>>>>>>>> NODE1:
>>>>>>>>>>>>>
>>>>>>>>>>>>> STAT:
>>>>>>>>>>>>> File:
>>>>>>>>>>>>>
‘/data/myvolume/brick/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png’
>>>>>>>>>>>>> Size:
0 Blocks: 38 IO Block: 131072 regular empty file
>>>>>>>>>>>>>
Device: 24h/36d Inode: 10033884 Links: 2
>>>>>>>>>>>>>
Access: (0644/-rw-r--r--) Uid: ( 33/www-data) Gid: (
33/www-data)
>>>>>>>>>>>>>
Access: 2017-08-14 17:04:55.530681000 +0200
>>>>>>>>>>>>>
Modify: 2017-08-14 17:11:46.407404779 +0200
>>>>>>>>>>>>>
Change: 2017-08-14 17:11:46.407404779 +0200
>>>>>>>>>>>>> Birth:
-
>>>>>>>>>>>>>
>>>>>>>>>>>>>
GETFATTR:
>>>>>>>>>>>>>
trusted.afr.dirty=0sAAAAAQAAAAAAAAAA
>>>>>>>>>>>>>
trusted.bit-rot.version=0sAgAAAAAAAABZhuknAAlJAg==
>>>>>>>>>>>>>
trusted.gfid=0sGYXiM9XuTj6lGs8LX58q6g==
>>>>>>>>>>>>>
trusted.glusterfs.d99af2fa-439b-4a21-bf3a-38f3849f87ec.xtime=0sWZG9sgAGOyo=
>>>>>>>>>>>>>
>>>>>>>>>>>>> NODE2:
>>>>>>>>>>>>>
>>>>>>>>>>>>> STAT:
>>>>>>>>>>>>> File:
>>>>>>>>>>>>>
‘/data/myvolume/brick/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png’
>>>>>>>>>>>>> Size:
0 Blocks: 38 IO Block: 131072 regular empty file
>>>>>>>>>>>>>
Device: 26h/38d Inode: 10031330 Links: 2
>>>>>>>>>>>>>
Access: (0644/-rw-r--r--) Uid: ( 33/www-data) Gid: (
33/www-data)
>>>>>>>>>>>>>
Access: 2017-08-14 17:04:55.530681000 +0200
>>>>>>>>>>>>>
Modify: 2017-08-14 17:11:46.403704181 +0200
>>>>>>>>>>>>>
Change: 2017-08-14 17:11:46.403704181 +0200
>>>>>>>>>>>>> Birth:
-
>>>>>>>>>>>>>
>>>>>>>>>>>>>
GETFATTR:
>>>>>>>>>>>>>
trusted.afr.dirty=0sAAAAAQAAAAAAAAAA
>>>>>>>>>>>>>
trusted.bit-rot.version=0sAgAAAAAAAABZhu6wAA8Hpw==
>>>>>>>>>>>>>
trusted.gfid=0sGYXiM9XuTj6lGs8LX58q6g==
>>>>>>>>>>>>>
trusted.glusterfs.d99af2fa-439b-4a21-bf3a-38f3849f87ec.xtime=0sWZG9sgAGOVE=
>>>>>>>>>>>>>
>>>>>>>>>>>>> NODE3:
>>>>>>>>>>>>> STAT:
>>>>>>>>>>>>> File:
>>>>>>>>>>>>>
/srv/glusterfs/myvolume/brick/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png
>>>>>>>>>>>>> Size:
0 Blocks: 0 IO Block: 4096 regular empty file
>>>>>>>>>>>>>
Device: ca11h/51729d Inode: 405208959 Links: 2
>>>>>>>>>>>>>
Access: (0644/-rw-r--r--) Uid: ( 33/www-data) Gid: (
33/www-data)
>>>>>>>>>>>>>
Access: 2017-08-14 17:04:55.530681000 +0200
>>>>>>>>>>>>>
Modify: 2017-08-14 17:04:55.530681000 +0200
>>>>>>>>>>>>>
Change: 2017-08-14 17:11:46.604380051 +0200
>>>>>>>>>>>>> Birth:
-
>>>>>>>>>>>>>
>>>>>>>>>>>>>
GETFATTR:
>>>>>>>>>>>>>
trusted.afr.dirty=0sAAAAAQAAAAAAAAAA
>>>>>>>>>>>>>
trusted.bit-rot.version=0sAgAAAAAAAABZe6ejAAKPAg==
>>>>>>>>>>>>>
trusted.gfid=0sGYXiM9XuTj6lGs8LX58q6g==
>>>>>>>>>>>>>
trusted.glusterfs.d99af2fa-439b-4a21-bf3a-38f3849f87ec.xtime=0sWZG9sgAGOc4=
>>>>>>>>>>>>>
>>>>>>>>>>>>> CLIENT
GLUSTER MOUNT:
>>>>>>>>>>>>> STAT:
>>>>>>>>>>>>> File:
>>>>>>>>>>>>>
"/mnt/myvolume/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png"
>>>>>>>>>>>>> Size:
0 Blocks: 0 IO Block: 131072 regular empty file
>>>>>>>>>>>>>
Device: 1eh/30d Inode: 11897049013408443114 Links: 1
>>>>>>>>>>>>>
Access: (0644/-rw-r--r--) Uid: ( 33/www-data) Gid: (
33/www-data)
>>>>>>>>>>>>>
Access: 2017-08-14 17:04:55.530681000 +0200
>>>>>>>>>>>>>
Modify: 2017-08-14 17:11:46.407404779 +0200
>>>>>>>>>>>>>
Change: 2017-08-14 17:11:46.407404779 +0200
>>>>>>>>>>>>> Birth:
-
>>>>>>>>>>>>>
>>>>>>>>>>>>>>
-------- Original Message --------
>>>>>>>>>>>>>>
Subject: Re: self-heal not working
>>>>>>>>>>>>>>
Local Time: August 21, 2017 9:34 PM
>>>>>>>>>>>>>>
UTC Time: August 21, 2017 7:34 PM
>>>>>>>>>>>>>>
Gluster Users
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
----- Original Message -----
>>>>>>>>>>>>>>>
To: "Gluster Users"
>>>>>>>>>>>>>>>
Sent: Monday, August 21, 2017 9:28:24 AM
>>>>>>>>>>>>>>>
Subject: self-heal not working
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
Hi,
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
I have a replicat 2 with arbiter GlusterFS 3.8.11 cluster and
>>>>>>>>>>>>>>>
there is
>>>>>>>>>>>>>>>
currently one file listed to be healed as you can see below
>>>>>>>>>>>>>>>
but never gets
>>>>>>>>>>>>>>>
healed by the self-heal daemon:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
Brick node1.domain.tld:/data/myvolume/brick
>>>>>>>>>>>>>>>
/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png
>>>>>>>>>>>>>>>
Status: Connected
>>>>>>>>>>>>>>>
Number of entries: 1
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
Brick node2.domain.tld:/data/myvolume/brick
>>>>>>>>>>>>>>>
/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png
>>>>>>>>>>>>>>>
Status: Connected
>>>>>>>>>>>>>>>
Number of entries: 1
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
Brick node3.domain.tld:/srv/glusterfs/myvolume/brick
>>>>>>>>>>>>>>>
/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png
>>>>>>>>>>>>>>>
Status: Connected
>>>>>>>>>>>>>>>
Number of entries: 1
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
As once recommended on this mailing list I have mounted that
>>>>>>>>>>>>>>>
glusterfs
>>>>>>>>>>>>>>>
volume
>>>>>>>>>>>>>>>
temporarily through fuse/glusterfs and ran a "stat" on that
>>>>>>>>>>>>>>>
file which is
>>>>>>>>>>>>>>>
listed above but nothing happened.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
The file itself is available on all 3 nodes/bricks but on the
>>>>>>>>>>>>>>>
last node it
>>>>>>>>>>>>>>>
has a different date. By the way this file is 0 kBytes big. Is
>>>>>>>>>>>>>>>
that maybe
>>>>>>>>>>>>>>>
the reason why the self-heal does not work?
>>>>>>>>>>>>>> Is
the file actually 0 bytes or is it just 0 bytes on the
>>>>>>>>>>>>>>
arbiter(0 bytes
>>>>>>>>>>>>>>
are expected on the arbiter, it just stores metadata)? Can you
>>>>>>>>>>>>>>
send us the
>>>>>>>>>>>>>>
output from stat on all 3 nodes:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> $
stat <file on back end brick>
>>>>>>>>>>>>>> $
getfattr -d -m - <file on back end brick>
>>>>>>>>>>>>>> $
stat <file from gluster mount>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
Lets see what things look like on the back end, it should tell
>>>>>>>>>>>>>> us
why
>>>>>>>>>>>>>>
healing is failing.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> -b
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
And how can I now make this file to heal?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
Thanks,
>>>>>>>>>>>>>>>
Mabi
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
_______________________________________________
>>>>>>>>>>>>>>>
Gluster-users mailing list
>>>>>>>>>>>
_______________________________________________
>>>>>>>>>>> Gluster-users
mailing list
>>>>>>>>>>>
