Synology RAID Status Check

The RAID Status (Synology) Check monitors the RAID (Redundant Array of Independent Disks) health of a Synology device.

Basic Check information

Check Type SNMP
Supported Systems/Application SNMP-enabled devices that support the Synology MIB
Supported Device Class Storage


Issue Corrective Action
Failed Please check that the correct SNMP community string is configured in Network Discovery for the device
201 Exception OID_TYPE_NOSUCHOBJECT Missing OID object on the device for specific metric


Name Default Thresholds
RAID Status

Normal: 1

Warning: 2

Failed: 3

RAID Status Description No Thresholds
RAID Name No Thresholds

SNMP Properties Queried

Variable Name SNMP OID
raidStatus table=
raidName table=

Calculations Performed

Variable Name Calculation
RAID Status

raidStatus value mapped:

1 to 1

2-11,13-20 to 2

12,21 to 3

RAID Status Description

raidStatus value mapped:

1 to Normal

2 to Repairing

3 to Migrating

4 to Expanding

5 to Deleting

6 to Creating

7 to RaidSyncing

8 to RaidParityChecking

9 to RaidAssembling

10 to Canceling

11 to Degrade

12 to Crashed

13 to DataScrubbing

14 to RaidDeploying

15 to RaidUnDeploying

16 to RaidMountCache

17 to RaidUnmountCache

18 to RaidExpandingUnfinishedSHR

19 to RaidConvertSHRToPool

20 to RaidMigrateSHR1ToSHR2

21 to RaidUnknownStatus