Node : node99.setaoffice.com
Node Type : Intel/AMD x64(HTTPS)
Severity : critical
OM Server Time: 2016-12-14 10:28:03
Message : UXMON: file systems were remounted read-only
Msg Group : Hardware
Application : syslog
Object : hardware
Event Type :
not_foundInstance Name :
not_foundInstruction : No
This is a SAP Hana server and there are two filesystems that are giving an error saying they are mounted read-only.
node99:~ # df -hP /hana/data/LP0/mnt00002 /hana/log/LP0/mnt00002
df: `/hana/data/LP0/mnt00002′: Input/output error
df: `/hana/log/LP0/mnt00002′: Input/output error
df: no file systems processednode99:~ # mount | grep mnt00002
/dev/mapper/vg_data1_12-lvol1 on /hana/data/LP0/mnt00002 type xfs (rw,relatime,swalloc,attr2,delaylog,nobarrier,inode64,logbufs=8,logbsize=256k,sunit=32,swidth=32768,noquota)
/dev/mapper/vg_log1_12-lvol1 on /hana/log/LP0/mnt00002 type xfs (rw,relatime,swalloc,attr2,delaylog,nobarrier,inode64,logbufs=8,logbsize=256k,sunit=32,swidth=32768,noquota)
According to SAP team, these two filesystems are mounted read-only until a node from SAP Hana fails and then it is mounted read-write. In this case it is better to disable monitoring.
root@linux:~ # cp -p /var/opt/OV/bin/instrumentation/hw_mon.cfg /var/opt/OV/conf/OpC
Editing file and adding the string “file systems were remounted read-only”
root@linux:~ # vi /var/opt/OV/conf/OpC/hw_mon.cfg
#############################################################################
#@ $Id: hw_mon.cfg 2149 2015-03-03 08:45:34Z zhaofeif $
#@ $Rev: 2149 $
#@ $Author: zhaofeif $
#@ $Date: 2015-03-03 16:45:34 +0800 (Tue, 03 Mar 2015) $
#@ $LastChangedBy: zhaofeif $
##############################################################################
#[REARM = TRUE|FALSE]
#[disable = yes|no]
#[interval = ]
#[ignore string]
#
# rearm
#===============
# If set TRUE (or true), rearm function is enabled, default is disabled
# disable
#===============
# If set disable to YES (or yes), this module won’t run anytime
#
# interval
#===============
# The module will allow to run after the interval minutes every time# ignore string
#===============
# All the output got from command match the ignore string will not record to hw_mon.log that means this kind of hardware error will be ignored# The below lines are default predefined strings for selection as ignore string which user can uncomment out if he/she need ignore the kind of error
# Please don’t modify the below predefined strings which just need the operation of comment or uncomment for you.#REARM = true
#Power Supply Error
#FAN Error
#Thermal Sensor Error
#Memory Failed
#CPU Failed
#Physical Drive Failed
#Drive Array Accelerator Battery Failed
file systems were remounted read-only
setaOffice 
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