[gpfsug-discuss] Change pool-[meta]data_high_warn thresholds

[Norbert Schuld]

Hi,

assuming 4.2.3 code level this can be done by deleting and recreating the
rule with changed settings:

# mmhealth thresholds list
### Threshold Rules ###
rule_name                metric                error  warn
direction  filterBy  groupBy
sensitivity
--------------------------------------------------------------------------------------------------------------------------------------------------------
InodeCapUtil_Rule        Fileset_inode         90.0   80.0
high                 gpfs_cluster_name,gpfs_fs_name,gpfs_fset_name      300
MetaDataCapUtil_Rule     MetaDataPool_capUtil  90.0   80.0
high                 gpfs_cluster_name,gpfs_fs_name,gpfs_diskpool_name  300
DataCapUtil_Rule         DataPool_capUtil      90.0   80.0
high                 gpfs_cluster_name,gpfs_fs_name,gpfs_diskpool_name  300
MemFree_Rule             mem_memfree           50000  100000            low
node                                               300

# mmhealth thresholds delete MetaDataCapUtil_Rule
The rule(s) was(were) deleted successfully


# mmhealth thresholds add MetaDataPool_capUtil --errorlevel 95.0
--warnlevel 85.0 --direction high --sensitivity 300 --name
MetaDataCapUtil_Rule --groupby
gpfs_cluster_name,gpfs_fs_name,gpfs_diskpool_name


#  mmhealth thresholds list
### Threshold Rules ###
rule_name                metric                error  warn
direction  filterBy  groupBy
sensitivity
--------------------------------------------------------------------------------------------------------------------------------------------------------
InodeCapUtil_Rule        Fileset_inode         90.0   80.0
high                 gpfs_cluster_name,gpfs_fs_name,gpfs_fset_name      300
MemFree_Rule             mem_memfree           50000  100000            low
node                                               300
DataCapUtil_Rule         DataPool_capUtil      90.0   80.0
high                 gpfs_cluster_name,gpfs_fs_name,gpfs_diskpool_name  300
MetaDataCapUtil_Rule     MetaDataPool_capUtil  95.0   85.0
high                 gpfs_cluster_name,gpfs_fs_name,gpfs_diskpool_name  300


Mit freundlichen Grüßen / Kind regards


Norbert Schuld

IBM Deutschland Research & Development GmbH / Vorsitzender des
Aufsichtsrats: Martina Koederitz /Geschäftsführung: Dirk Wittkopp
Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart,
HRB 243294



From:	"Caubet Serrabou Marc (PSI)" <marc.caubet at psi.ch>
To:	"gpfsug-discuss at spectrumscale.org"
            <gpfsug-discuss at spectrumscale.org>
Date:	05/06/2018 13:45
Subject:	[gpfsug-discuss] Change pool-[meta]data_high_warn thresholds
Sent by:	gpfsug-discuss-bounces at spectrumscale.org



Dear all,

we have a small cluster which is reporting the following alarm:

# mmhealth event show pool-metadata_high_warn
Event Name:              pool-metadata_high_warn
Event ID:                999719
Description:             The pool reached a warning level.
Cause:                   The pool reached a warning level.
User Action:             Add more capacity to pool or move data to
different pool or delete data and/or snapshots.
Severity:                WARNING
State:                   DEGRADED

# mmhealth event show pool-data_high_warn
Event Name:              pool-data_high_warn
Event ID:                999722
Description:             The pool reached a warning level.
Cause:                   The pool reached a warning level.
User Action:             Add more capacity to pool or move data to
different pool or delete data and/or snapshots.
Severity:                WARNING
State:                   DEGRADED

Warning threshold for both alarms is 80%, we are at 81%, so alarm is
correct. However, I would like to definmmhealth different limits. Is
possible to increase it? 'mmhealth thresholds' did not help as these are
not supported metrics (unless I am doing something wrong). Another way is
to hide this alarm, but I would like to avoid it.

Thanks a lot and best regards,
_________________________________________
Paul Scherrer Institut
High Performance Computing
Marc Caubet Serrabou
WHGA/019A
5232 Villigen PSI
Switzerland

Telephone: +41 56 310 46 67
E-Mail: marc.caubet at psi.ch_______________________________________________
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