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kvm: sending std output to dev/null to prevent garbage output (#4123) 

When scripts/vm/hypervisor/kvm/kvmvmactivity.sh is called with an incorrect file name, an error is printed which is then interpreted as output from the script.

When an incorrect file name is passed the script prints out:

stat: cannot stat ‘b51d7336-d964-44ee-be60-bf62783dabc’: No such file or directory
=====> DEAD <======
The KVMHAVMActivityChecker.java checkingHB() process is expecting just
=====> DEAD <======
but gets the unexpected error message and interprets the file as alive.
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Spaceman1984 2020-06-04 04:47:59 +02:00 committed by GitHub
parent 74cf326d3b
commit 23fa647985
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scripts/vm/hypervisor/kvm/kvmvmactivity.sh
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@ -99,7 +99,7 @@ fi
# Second check: disk activity check
cd $MountPoint
latestUpdateTime=$(stat -c %Y $(echo $UUIDList | sed 's/,/ /g') | sort -nr | head -1)
latestUpdateTime=$(stat -c %Y $(echo $UUIDList | sed 's/,/ /g') 2> /dev/null | sort -nr | head -1)
if [ ! -f $acFile ]; then
echo "$SuspectTime:$latestUpdateTime:$MSTime" > $acFile