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2947490 - Alert ID 2 "Alert Disk usage" triggers even through there is enough free space on OS

Symptom

  • Alerts having ID 2 "Alert Disk usage" 
  • You got alert like below:

<host_name>: disk <number> (/hana/log/<SID>/) has a disk usage of 100.000000%. Total disk size: 2048.0000000000000000GB, used disk size 2048.0000000000000000GB, storage type: LOG, previous percentage usage 100.000000%

  • check with "df -h" on OS level, "/hana" has enough free space.

<host_name>:~ # df -hT
Filesystem Type Size Used Avail Use% Mounted on
...

/dev/bcache0 xfs 12T 3.6T 8.5T 30% /hana
...


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Environment

  • SAP HANA 1.0
  • SAP HANA 2.0

Product

SAP HANA 1.0, platform edition ; SAP HANA, platform edition 2.0

Keywords

XFS, xfs_quota, ID 2, Alert Disk usage, df, /hana/log , KBA , HAN-DB-MON , SAP HANA Monitoring , Problem

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