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Bug 1680052 - "INFO libstratis::engine::strat_engine::thinpool::thinpool:" messages are noisy
Summary: "INFO libstratis::engine::strat_engine::thinpool::thinpool:" messages are noisy
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: stratisd
Version: 8.0
Hardware: x86_64
OS: Linux
unspecified
low
Target Milestone: rc
: 8.2
Assignee: mulhern
QA Contact: guazhang@redhat.com
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-02-22 15:57 UTC by Corey Marthaler
Modified: 2021-09-06 15:32 UTC (History)
2 users (show)

Fixed In Version: 1.0.6
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2020-04-28 15:41:56 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-23137 0 None None None 2021-09-06 15:32:38 UTC
Red Hat Product Errata RHBA-2020:1634 0 None None None 2020-04-28 15:42:06 UTC

Description Corey Marthaler 2019-02-22 15:57:16 UTC 
Description of problem:
I could see if the percent used has reached a critical threshold level then maybe start reporting this over and over but if it remains at 1% then it seems like noise. Also "libstratis::engine::strat_engine::thinpool::thinpool" is a bit cryptic for anyone monitoring logs. 

Feb 22 09:21:39 hayes-01 stratisd[970]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 1
Feb 22 09:21:39 hayes-01 stratisd[970]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 1
Feb 22 09:21:39 hayes-01 stratisd[970]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 1
Feb 22 09:21:39 hayes-01 stratisd[970]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 1


[root@hayes-01 ~]# grep "INFO libstratis::engine" /var/log/messages  | wc -l
171

Also, is it possible to get this "data percent used" bit of information from the stratis cmdline? I see "Used" in 'fs list', but then I'd have to do division in my head.

[root@hayes-01 ~]# stratis pool list -h
usage: stratis pool list [-h]

optional arguments:
  -h, --help  show this help message and exit
[root@hayes-01 ~]# stratis pool list 
Name        Total Physical Size  Total Physical Used
my_pool1               1.82 TiB            66.57 GiB
my_pool2               5.46 TiB            33.17 GiB
my_pool3               1.82 TiB             2.43 GiB
my_pool4               3.64 TiB             4.29 GiB
my_pool5               1.82 TiB             2.43 GiB
[root@hayes-01 ~]# stratis fs list -h
usage: stratis filesystem list [-h] [pool_name]

positional arguments:
  pool_name   Pool name

optional arguments:
  -h, --help  show this help message and exit
[root@hayes-01 ~]# stratis fs list 
Pool Name  Name  Used       Created            Device                 UUID                              
my_pool1   fs1   64.68 GiB  Feb 21 2019 14:10  /stratis/my_pool1/fs1  d9fbf3d0e9c44e69bc33e69862efa655  
my_pool2   fs2   27.55 GiB  Feb 21 2019 16:02  /stratis/my_pool2/fs2  041acd0d91bd4fa79bf10457b6369c24  
my_pool3   fs2   545 MiB    Feb 21 2019 16:04  /stratis/my_pool3/fs2  092e282222244aa0bce3c6b1a56e20e0  
my_pool4   fs2   546 MiB    Feb 21 2019 16:04  /stratis/my_pool4/fs2  7a10d4f7b3b24d4aadc65cd8bb5612f2  
my_pool5   fs2   545 MiB    Feb 21 2019 16:13  /stratis/my_pool5/fs2  a9606e209a2b4963b3092fc3bc8c7018  



Version-Release number of selected component (if applicable):
stratisd-1.0.3-1.el8.x86_64
stratis-cli-1.0.2-1.el8.noarch
Comment 1 Corey Marthaler 2019-02-22 16:14:26 UTC 
Also, the messages don't indicate which pool they're referring to. I have 5 pools/fs, so the messages aren't descriptive enough to be helpful in this scenario. 

[root@hayes-01 ~]# stratis fs list
Pool Name   Name  Used       Created            Device                   UUID                              
my_pool100  fs1   64.68 GiB  Feb 21 2019 14:10  /stratis/my_pool100/fs1  d9fbf3d0e9c44e69bc33e69862efa655  
my_pool2    fs2   27.55 GiB  Feb 21 2019 16:02  /stratis/my_pool2/fs2    041acd0d91bd4fa79bf10457b6369c24  
my_pool3    fs2   545 MiB    Feb 21 2019 16:04  /stratis/my_pool3/fs2    092e282222244aa0bce3c6b1a56e20e0  
my_pool4    fs2   546 MiB    Feb 21 2019 16:04  /stratis/my_pool4/fs2    7a10d4f7b3b24d4aadc65cd8bb5612f2  
my_pool5    fs2   545 MiB    Feb 21 2019 16:13  /stratis/my_pool5/fs2    a9606e209a2b4963b3092fc3bc8c7018  

[root@hayes-01 ~]# df -h
Filesystem                                                                                       Size  Used Avail Use% Mounted on
/dev/mapper/stratis-1-3354bab7fa444f1294b7fd807127781c-thin-fs-d9fbf3d0e9c44e69bc33e69862efa655  1.0T   67G  958G   7% /mnt/stratis1
/dev/mapper/stratis-1-14b9879b40c2497187b0c76c446804d0-thin-fs-041acd0d91bd4fa79bf10457b6369c24  1.0T   33G  992G   4% /mnt/stratis2
/dev/mapper/stratis-1-8d7300e29a4c46048b00e059efe3a2e3-thin-fs-092e282222244aa0bce3c6b1a56e20e0  1.0T  7.2G 1017G   1% /mnt/stratis3
/dev/mapper/stratis-1-d76c5196f2e8492092a48ef2e2ed89ff-thin-fs-7a10d4f7b3b24d4aadc65cd8bb5612f2  1.0T  7.2G 1017G   1% /mnt/stratis4
/dev/mapper/stratis-1-36a22ef6d12347dfb0d58590e0a19de4-thin-fs-a9606e209a2b4963b3092fc3bc8c7018  1.0T  7.2G 1017G   1% /mnt/stratis5

[...]
Feb 22 09:44:21 hayes-01 stratisd[970]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 3
Feb 22 09:45:01 hayes-01 stratisd[970]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 3
Feb 22 09:45:42 hayes-01 stratisd[970]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 4
Feb 22 09:46:16 hayes-01 stratisd[970]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 4
Feb 22 09:46:52 hayes-01 stratisd[970]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 4
Feb 22 09:47:30 hayes-01 stratisd[970]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 4
Feb 22 10:07:50 hayes-01 stratisd[2677]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 1
Feb 22 10:07:50 hayes-01 stratisd[2677]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 4
Feb 22 10:07:51 hayes-01 stratisd[2677]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 1
Feb 22 10:07:51 hayes-01 stratisd[2677]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 1
Feb 22 10:07:51 hayes-01 stratisd[2677]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 1
Feb 22 10:07:52 hayes-01 stratisd[2677]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 1
Feb 22 10:07:52 hayes-01 stratisd[2677]: INFO libstratis::engine::strat_engine::thinpool::thinpool: Data tier percent used: 1
Comment 2 mulhern 2019-02-22 16:44:09 UTC 
Some notes:

* That INFO level message is more appropriately a DEBUG level message. We can make it so.
* All messages should give the information that is readily and cheaply available at the
point that they are generated. This one is probably giving less than that and that could be
improved.
* There is also a suggested enhancement to the CLI. This is sort of orthogonal. I don't believe
that the data tier percent is derived directly from the values displayed in the CLI. We could
consider enhancing the table display in the CLI to show percentage proportions. But we might want to consider
displaying proportions, by whatever means, including percentages, as an optional thing, rather
than the default. The table may be enhanced with other values and the percentages interposed
at various places might become awkward clutter.
Comment 3 mulhern 2019-04-17 15:13:38 UTC 
https://github.com/stratis-storage/stratisd/issues/1485
Comment 4 mulhern 2019-06-17 12:51:13 UTC 
https://github.com/stratis-storage/stratisd/pull/1558
Comment 5 mulhern 2019-06-17 14:36:53 UTC 
Note that we can anticipate possible putting some additional information in the structured format, that which is not intended to be human readable where formatting issues are less troublesome. See upstream issue:
https://github.com/stratis-storage/stratis-cli/issues/292
Comment 6 Jakub Krysl 2019-10-15 14:49:05 UTC 
Mass migration to Guangwu.
Comment 8 guazhang@redhat.com 2019-11-25 10:16:16 UTC 
Hello

test passed with fixed version.

#stratis  pool create  pool{1..5} /dev/sd{b..f}

#  stratis  pool list
Name                    Total Physical
pool1  5.46 TiB / 53.77 MiB / 5.46 TiB
pool2  5.46 TiB / 53.77 MiB / 5.46 TiB
pool3  5.46 TiB / 53.77 MiB / 5.46 TiB
pool4  5.46 TiB / 53.77 MiB / 5.46 TiB
pool5  5.46 TiB / 53.77 MiB / 5.46 TiB

#stratis filesystem create pool{1..5} fs{1..5}

#  stratis fs list
Pool Name  Name  Used     Created            Device              UUID                            
pool1      fs1   546 MiB  Nov 25 2019 05:04  /stratis/pool1/fs1  117bf9f2ed304dfa8394d612c666e640
pool2      fs2   546 MiB  Nov 25 2019 05:04  /stratis/pool2/fs2  c123a465fc0e4fdbb8d6a8580f487553
pool3      fs3   546 MiB  Nov 25 2019 05:04  /stratis/pool3/fs3  fe66f98098ee46ffb979fae8d4c4297c
pool4      fs4   546 MiB  Nov 25 2019 05:04  /stratis/pool4/fs4  4b68305a98674c508ed2072460bbd19a
pool5      fs5   546 MiB  Nov 25 2019 05:04  /stratis/pool5/fs5  1fdee08cc4724df68081b66c1f1eff99
Comment 10 errata-xmlrpc 2020-04-28 15:41:56 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:1634
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