Hi Matthew,
An initial scan is required to make robinhood aware of existing
filesystem contents. Did you run one?
Then the changelog keeps robinhood DB updated.
Also, you have to take care of your MDS changelog mask configuration,
else robinhood will not get all the updates it needs.
If it is not set persistently (as far as I can remember, using "lfs
setparam -P" which is the replacement for "lfs confparam")
is will be lost each time you restart your mds.
"Entry has incomplete path in DB: parent_id='0x20000373c:0xc2ef:0x0',
relative_path='illum_s_1.H@'"
This can obviously be explained if there were no initial scan.
This can also sometimes appear with specific "create/rename" patterns
because of a bug in rbh 2.5.2
which is now fixed in master branch and will be part of next robinhood
2.5.3:
> git clone https://github.com/cea-hpc/robinhood.git
Regards,
Thomas
Le 25/07/2014 18:05, Matthew BETTINGER a écrit :
Hello,
Returning back to robinhood 2.5.2 after another new cluster deployment
and we are going to give robinhood one more chance.
Everytime I attempt to get robinhood running I get strange results
that do not even look remotely close to the filesystem I am trying to
monitor. Here is an example which hopefully explains what I am
confused about.
On my robinhood server I have our test 2.4.3 lustre mounted as /lustre2
Lfs df --h shows
filesystem summary: 335.4T 1.8T 330.2T 1% /lustre2
I am using the changelogs and tmpfs for robinhood using a very very
basic configuration but not seeing what I think I should be seeing..
Rbh-report shows 0 entries!
[root@hous0162 ~]# rbh-report -D -P /lustre2
Using config file '/etc/robinhood.d/tmpfs/tmpfs_detailed.conf'.
filter path: /lustre2
type, size, user, group, purge
class, path
Total: 0 entries, 0 bytes (0)
Rbh-report --D by itself shows
Total: 1445 entries, 1921316123 bytes (1.79 GB)
How can this be since lfs df shows us using 1.8 TB of 330.2TB. I have
no idea where rbh-report is getting this number from.
Another thing which is odd is that the rbh-report --D show a bunch of
files with a strange path
file, 13.59 KB, l0413591, rt, [ignored],
0x20000373c:0xc2f0:0x0/WEM_migration_ffd_kernel_iso+pat+27365-12t/000079.xf
file, 13.59 KB, l0413591, rt, [ignored],
0x20000373c:0xc2f0:0x0/WEM_migration_ffd_kernel_iso+pat+27365-12t/000077.xf
Shouldn't this be
/lustre2/WEM_migration_ffd_kernel_iso+pat+27365-12t/000077.xf ??
My log file also shows some things which I do not know if they are
'normal' or not...
2014/07/24 14:49:11 robinhood@hous0162[32245/7] EntryProc | Parent dir
for entry [0x2000036fc:0xd1:0x0] is unknown (parent:
[0x20000373c:0xc2ef:0x0], child name: 'image_1.H@'): updating entry
path info
2014/07/24 14:49:11 robinhood@hous0162[32245/9] ListMgr | Entry has
incomplete path in DB: parent_id='0x20000373c:0xc2ef:0x0',
relative_path='illum_s_1.H@'
2014/07/24 14:49:11 robinhood@hous0162[32245/6] ListMgr | Entry has
incomplete path in DB: parent_id='0x20000373c:0xc2ef:0x0',
relative_path='illum_r_1.H@'
2014/07/24 14:49:11 robinhood@hous0162[32245/9] EntryProc | Parent dir
for entry [0x2000036fc:0xd2:0x0] is unknown (parent:
[0x20000373c:0xc2ef:0x0], child name: 'illum_s_1.H@'): updating entry
path info
2014/07/24 14:49:11 robinhood@hous0162[32245/6] EntryProc | Parent dir
for entry [0x2000036fc:0xd3:0x0] is unknown (parent:
[0x20000373c:0xc2ef:0x0], child name: 'illum_r_1.H@'): updating entry
path info
I have dropped and recreated the databases after changing the classes
as well.
Any suggestion as to what could be going on and why robinhood is not
showing the same or even remotely close information that we see in a
simple df?
Thanks!
*Matt Bettinger*
Technical Computing
Total E&P Research & Technology USA, LLC
1201 Louisiana St., Suite 1800, Houston TX 77002
Phone: 713-647-3352
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