Contents

Synology NAS DS 106e MIB Guide PDF

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Summary of Content for Synology NAS DS 106e MIB Guide PDF

1

Synology DiskStation

MIB Guide

Table of Contents

Introduction 01

Supported MIB files 03

Synology MIB files 05

Synology System MIB

Synology Disk MIB

Synology RAID MIB

Synology UPS MIB

Synology Smart MIB

Synology Services MIB

Synology StorageIO MIB

Synology SpaceIO MIB

Synology FlashCache MIB

Synology iSCSI LUN MIB

Synology Ebox MIB

Synology SHA MIB

Synology NFS MIB

Synology GPUInfo MIB

Synology Port MIB

Synology iSCSI Target MIB

Useful OIDs 18

Monitor Specific OIDs 21

Import MIB Files

Set up the NMS

Document Revision History 25

Copyright and Disclaimer Notices 26

THIS DOCUMENT CONTAINS PROPRIETARY TECHNICAL

INFORMATION WHICH IS THE PROPERTY OF SYNOLOGY

INCORPORATED AND SHALL NOT BE REPRODUCED, COPIED,

OR USED AS THE BASIS FOR DESIGN, MANUFACTURING, OR

SALE OF APPARATUS WITHOUT WRITTEN PERMISSION OF

SYNOLOGY INCORPORATED

01

Introduction

Synology DiskStation Manager (DSM) allows users to monitor the status of their Synology

servers through Network Management Systems (NMS) via Simple Network Management

Protocol (SNMP). However, Synology DSM does not provide SNMP trap capability.

This document introduces Management Information Base (MIB) files of Synology servers. It

focuses on which MIB files are supported by DSM, while also describes how Object Identifiers

(OIDs) in Synology MIBs are used with your preferred NMS software. Users are encouraged to

have experience and knowledge of NMS and SNMP before consulting this document.

Introduction

03

Supported MIB files

DSM and SRM supports numerous MIB files that can help users monitor different information

on their Synology NAS/IP SAN (hereinafter referred to as Synology servers). Table 1 shows the

MIBs supported by DSM and SRM.

These MIB files can be separated into two types: general SNMP MIB and Synology MIB. General

SNMP MIB files are equipped on NMS clients natively.

Synology MIB files can provide specific data about a Synology server system, disks, RAID, and

connected UPS devices. Please see the Synology MIB Files section below for more Synology

MIB information.

You can download the Synology MIB file here.

Note: For all tables in this document, unless otherwise noted, DSM denotes that this OID

is compatible with DSM 6.2.4 and above, and DSM UC denotes that this OID is compatible

with DSM UC 3.0.

Table 2 General MIB Files Supported by DSM

MIB Explanation DISMAN-EVENT-MIB For defining event triggers and actions for network

management purposes DISMAN-SCHEDULE-MIB For scheduling SNMP set operations periodically or at

specific points in time HOST-RESOURCES-MIB For use in managing host systems IF-MIB For describing network interface sub-layers IP-FORWARD-MIB For the management of CIDR multipath IP Routes IP-MIB For IP and ICMP management objects IPV6-ICMP-MIB For entities implementing the ICMPv6 IPV6-MIB For entities implementing the IPv6 protocol IPV6-TCP-MIB For entities implementing TCP over IPv6 IPV6-UDP-MIB For entities implementing UDP over IPv6 NET-SNMP-AGENT-MIB For monitoring structures for the Net-SNMP agent NET-SNMP-EXTEND-MIB For scripted extensions for the Net-SNMP agent NET-SNMP-VACM-MIB Defines Net-SNMP extensions to the standard VACM view

table NOTIFICATION-LOG-MIB For logging SNMP Notifications SNMP-COMMUNITY-MIB To help support coexistence between SNMPv1, SNMPv2c,

and SNMPv3 SNMP-FRAMEWORK-MIB The SNMP Management Architecture MIB SNMP-MPD-MIB For Message Processing and Dispatching SNMP-USER-BASED-SM-MIB For the SNMP User-based Security Model

Supported MIB files

04

Supported MIB files

SNMP-VIEW-BASED-ACM- MIB

For the View-based Access Control Model for SNMP

SNMPv2-MIB For SNMP entities SYNOLOGY-DISK-MIB For Synology disk information (Synology only) SYNOLOGY-EBOX-MIB For Synology ebox information (Synology only) SYNOLOGY-FLASHCACHE- MIB

For Synology FlashCache information (Synology only)

SYNOLOGY-GPUINFO-MIB For Synology GpuIO information (Synology only) SYNOLOGY-ISCSILUN-MIB For Synology iSCSI LUN information (Synology only) SYNOLOGY-ISCSITarget- MIB

For Synology iSCSI Target information (Synology only)

SYNOLOGY-NFS-MIB For Synology NFS information (Synology only) SYNOLOGY-PORT-MIB.txt For Synology Ethernet Port information (Synology only) SYNOLOGY-RAID-MIB For Synology RAID information (Synology only) SYNOLOGY-SERVICES-MIB For Synology services information (Synology only) SYNOLOGY-SHA-MIB For Synology High-Availability information (Synology only) SYNOLOGY-SMART-MIB For Synology smart information (Synology only) SYNOLOGY-SPACEIO-MIB For Synology SpaceIO information (Synology only) SYNOLOGY-STORAGEIO-MIB For Synology StorageIO information (Synology only) SYNOLOGY-SYSTEM-MIB For Synology system information (Synology only) SYNOLOGY-UPS-MIB For Synology UPS information (Synology only) TCP-MIB For managing TCP implementations UCD-DISKIO-MIB For disk IO statistics UCD-DLMOD-MIB For dynamic loadable MIB modules UCD-SNMP-MIB For private UCD SNMP MIB extensions UDP-MIB For managing UDP implementations

05

Synology MIB files

The following Synology MIB files are provided in DSM. These MIB files are the child-nodes of

OID (Object Identifier) 1.3.6.1.4.1.6574. Table 3-1 shows the exact OID of each MIB. Please

note that the MIB files are mutually dependent. Before your NMS can monitor any of the items

in these MIB files, please make sure that all of them have been imported together and use

SNMPv2c to obtain the complete Synology OID information.

Table 3-1 OID of Synology MIBs

OID Name File Name Last

updated version

.1.3.6.1.4.1.6574.1 synoSystem SYNOLOGY-SYSTEM-MIB.txt DSM 6.0.2

.1.3.6.1.4.1.6574.2 synoDisk SYNOLOGY-DISK-MIB.txt DSM 7.0

.1.3.6.1.4.1.6574.3 synoRaid SYNOLOGY-RAID-MIB.txt DSM 7.0

.1.3.6.1.4.1.6574.4 synoUPS SYNOLOGY-UPS-MIB.txt DSM 6.0.1

.1.3.6.1.4.1.6574.5 synologyDiskSMART SYNOLOGY-SMART-MIB.txt DSM 6.0.1

.1.3.6.1.4.1.6574.6 synologyService SYNOLOGY-SERVICES-MIB. txt

DSM 6.2.1

.1.3.6.1.4.1.6574.101 storageIO SYNOLOGY-STORAGEIO-MIB. txt

DSM 6.1.7

.1.3.6.1.4.1.6574.102 spaceIO SYNOLOGY-SPACEIO-MIB.txt DSM 6.0.1

.1.3.6.1.4.1.6574.103 flashCache SYNOLOGY-FLASHCACHE- MIB.txt

DSM 6.2.2

.1.3.6.1.4.1.6574.104 synologyiSCSILUN SYNOLOGY-ISCSILUN-MIB.txt DSM 6.1.7

.1.3.6.1.4.1.6574.105 synologyEbox SYNOLOGY-EBOX-MIB DSM 6.2.1

.1.3.6.1.4.1.6574.106 synologyHA SYNOLOGY-SHA-MIB DSM 6.2.2

.1.3.6.1.4.1.6574.107 NFS SYNOLOGY-NFS-MIB.txt DSM 7.0

.1.3.6.1.4.1.6574.108 GpuInfo SYNOLOGY-GPUINFO-MIB. txt

DSM 6.2.2

.1.3.6.1.4.1.6574.109 synoEthPort SYNOLOGY-PORT-MIB.txt SRM 1.2.5

.1.3.6.1.4.1.6574.110 synologyiSCSITarget SYNOLOGY-ISCSITarget-MIB DSM 7.0

Synology MIB files

06

Synology MIB files

Synology System MIB (OID: .1.3.6.1.4.1.6574.1)

The Synology System MIB displays all system statuses, including temperature and fan status.

Users can monitor this MIB for system functionality. Table 3-2 shows information provided in

the System MIB.

Table 3-2 System MIB

OID Name Type Status Type Explanation Supported OS

.1 systemStatus Integer Normal(1) Failed(2)

System partition status

DSM, DSM UC

.2 temperature Integer - Temperature of this NAS

DSM, DSM UC

.3 powerStatus Integer Normal(1) Failed(2)

Returns error if power supplies fail

DSM, DSM UC

.4.1 systemFanStatus Integer Normal(1) Failed(2)

Returns error if system fan fails

DSM, DSM UC

.4.2 cpuFanStatus Integer Normal(1) Failed(2)

Returns error if CPU fan fails

DSM, DSM UC

.5.1 modelName String - Model name of this NAS

DSM, DSM UC

.5.2 serialNumber String - Model serial number

DSM, DSM UC

.5.3 version String - The version of DSM DSM, DSM UC

.5.4 upgradeAvailable Integer Available(1) Unavailable(2) Connecting(3) Disconnected(4) Others(5)

Checks whether a new version or update of DSM is available

DSM, DSM UC

.6 controllerNumber Integer Controller A(0) Controller B(1)

The controller number

DSM UC

Synology Disk MIB (OID: .1.3.6.1.4.1.6574.2)

The Synology Disk MIB contains several types of information regarding hard drives, including

ID, type and so on, as listed in Table 3-3. This MIB is a table in SNMP. As such, it can increase

or decrease in size when disks are inserted or removed. For example, if a disk is inserted, an

additional row containing relevant information will emerge. The OID DiskIndex (.1) is reserved

for an index of table rows and cannot be accessed. Table 3-4 describes the contents of each

DiskStatus in detail.

Table 3-3 Disk MIB

OID Name Type Status Type

Explanation Supported OS

.1 diskIndex Integer - Used internally for SNMP table and not accessible

DSM, DSM UC

.2 diskID String - Disk name in DSM DSM, DSM UC

.3 diskModel String - Disk model DSM, DSM UC

.4 diskType String - Disk type, e.g. SATA, SSD DSM, DSM UC

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Synology MIB files

.5 diskStatus Integer Normal(1)* Current disk status DSM, DSM UC

.6 diskTemperature Integer - Disk temperature DSM, DSM UC

.7 diskRole String data * The role of the disk in system

DSM 7.0 and above

.8 diskRetry Integer - The count of each disk connection retries

DSM 7.0 and above

.9 diskBadSector Integer - The count of each disk I/ O bad sector

DSM 7.0 and above

.10 diskIdentifyFail Integer - The count of each disk identify fails

DSM 7.0 and above

.11 diskRemainLife Integer - The estimate remain life of each disk

DSM 7.0 and above

.12 diskName String - Disk name which will keep the same value in different DSM version

DSM 7.0 and above

* For DiskStatus details, please Table 3-4

* For DiskRole details, please see Table 3-5

Table 3-4 DiskStatus Explanation Status Explanation Supported OS

Normal(1) The disk is functioning normally DSM, DSM UC Initialized(2) The disk has system partitions but no

data DSM, DSM UC

NotInitialized(3) The disk is not partitioned DSM, DSM UC SystemPartitionFailed(4) Partitions on the disk are damaged DSM, DSM UC Crashed(5) The disk is damaged DSM, DSM UC

Table 3-5 DiskRole Explanation Status Explanation Supported OS

data Used by storage pool DSM 7.0 and above

hotspare Assigned as a hot spare disk DSM 7.0 and above

ssd_cache Used by SSD Cache DSM 7.0 and above

none Not used by storage pool, nor hot spare, nor SSD Cache

DSM 7.0 and above

unknown Some error occurred DSM 7.0 and above

Synology RAID MIB (OID: .1.3.6.1.4.1.6574.3)

In addition to the disk MIB, Synology also provides an MIB for monitoring RAID status. This

MIB is similar to the disk MIB in that rows will appear or disappear to reflect RAID creation and

deletion. Table 3-5 lists the contents of the RAID MIB. Table 3-6 describes each RAID status in

detail.

Table 3-6 RAID MIB OID Name Type Status

Type Explanation Supported

OS .1 raidIndex Integer - Used internally for

SNMP table and not accessible

DSM, DSM UC

.2 raidName String - The name of each RAID in DSM

DSM, DSM UC

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Synology MIB files

.3 raidStatus Integer Normal(1)* It shows the RAID status right now

DSM, DSM UC

.4 raidFreeSize Counter64 - The free size of volume / disk group

DSM, DSM UC

.5 raidTotalSize Counter64 - The total size of volume / disk group

DSM, DSM UC

.6 raidHotspareCnt Integer - Total hotspare disks count which can protected raid (smaller than 0 means something wrong)

DSM 7.0 and above

* For RAID status details, please Table 3-6

Table 3-7 RAID Status Explanation Status Explanation

Normal(1) RAID is functioning normally Repairing(2)

Migrating(3)

Expanding(4)

Deleting(5)

Creating(6)

RaidSyncing(7)

RaidParityChecking(8)

RaidAssembling(9)

Canceling(10)

These statuses are shown when RAID is created or deleted

Degrade(11) Degrade is shown when a tolerable failure of disk(s) occurs

Crashed(12) RAID has crashed and is now read-only DataScrubbing (13) RAID is DataScrubbing RaidDeploying (14) RAID is deploying Single volume on pool RaidUnDeploying (15) RAID is not deploying Single volume on pool RaidMountCache (16) RAID is mounting SSD cache RaidUnmountCache (17) RAID is not mounting SSD cache RaidExpandingUnfinishedSHR (18)

RAID continue expanding SHR if interrupted

RaidConvertSHRToPool (19) RAID is converting Single volume on SHR to multiple volume on SHR

RaidMigrateSHR1ToSHR2 (20) RAID is migrating SHR1 to SHR2 RaidUnknownStatus (21) RAID status is not included in the status above

Synology UPS MIB (OID: .1.3.6.1.4.1.6574.4)

The Synology UPS MIB provides the ability to monitor the status of a UPS device connected

to the Synology servers. Please note that the available OIDs of the UPS MIB depend on what

information is provided by the UPS device. If a UPS device does not provide data for a certain

OID, that OID will not appear in the NMS software. Table 3-7 shows a partial UPS MIB table

only. If you are interested in all OIDs, please refer to the MIB file SYNOLOGY-UPS-MIB.txt.

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Synology MIB files

Table 3-8 Partial UPS MIB OID Name Type Status

Type Explanation Supported

OS .1.1 upsDeviceModel String - UPS device

model DSM, DSM UC

.1.2 upsDeviceManufacturer String - UPS device manufacturer

DSM, DSM UC

.1.3 upsDeviceSerial String - UPS device serial number

DSM, DSM UC

.2.1 upsInfoStatus String - UPS device status DSM, DSM UC

.2.6.2 upsInfoMfrDate String - UPS device manufacturing date

DSM, DSM UC

.2.12.1 upsInfoLoadValue Float - Load on UPS device (percent)

DSM, DSM UC

.3.1.1 upsBatteryChargeValue Float - Battery charge DSM, DSM UC

.3.1.4 upsBatteryChargeWarning Float - Battery level at which UPS switches to Warning state (percent)

DSM, DSM UC

.3.12 upsBatteryType Float - Battery chemistry DSM, DSM UC

Synology Smart MIB (OID: .1.3.6.1.4.1.6574.5)

The Synology SMART MIB provides the SMART information of each disk same as Storage

Manager does. Because every disk may have different SMART attributes, one OID records one

SMART attribute and has diskSMARTInfoDevName to indicate which disk it belongs to.

Table 3-9 SMART MIB OID Name Type Status

Type Explanation Supported

OS .1 diskSMARTInfoIndex Integer - Used internally for

SNMP table and not accessible

DSM

.2 diskSMARTInfoDevName String - Describes the disk to which this SMART info belongs to

DSM

.3 diskSMARTAttrName String - The name of the SMART info attribute, e.g. Raw_ Read_Error_Rate

DSM

.4 diskSMARTAttrId Integer - SMART attribute ID number

DSM

.5 diskSMARTAttrCurrent Integer - SMART attribute current value

DSM

.6 diskSMARTAttrWorst Integer - SMART attribute worst value

DSM

.7 diskSMARTAttrThreshold Integer - SMART attribute threshold value

DSM

.8 diskSMARTAttrRaw Integer - SMART attribute raw value

DSM

.9 diskSMARTAttrStatus String - Status of this SMART info

DSM

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Synology MIB files

Synology Services MIB (OID: .1.3.6.1.4.1.6574.6)

The Synology Services MIB monitors the number of users logging in via HTTP, CIFS, AFP, NFS,

FTP, SFTP, TELNET, and SSH.

Table 3-10 Services MIB OID Name Type Status

Type Explanation

.1 serviceInfoIndex Integer - Used internally for services table and not accessible

.2 serviceName String - The name of the service

.3 serviceUsers Integer - The number of users using this service

Synology StorageIO MIB (OID: .1.3.6.1.4.1.6574.101)

The Synology StorageIO MIB has I/O information of disks.

Table 3-11 StorageIO MIB OID Name Type Status

Type Explanation Supported

OS .1 storageIOIndex Integer - Used internally for

storageio table and not accessible

DSM, DSM UC

.2 storageIODevice String - The name of the device we are counting/checking

DSM, DSM UC

.3 storageIONRead Counter32 - The number of bytes read from this device since boot

(32 bit VER.)

DSM, DSM UC

.4 storageIONWritten Counter32 - The number of bytes written to this device since boot

(32 bit VER.)

DSM, DSM UC

.5 storageIOReads Counter32 - The number of read accesses from this device since boot

DSM, DSM UC

.6 storageIOWrites Counter32 - The number of write accesses to this device since boot

DSM, DSM UC

.8 storageIOLA Integer - The load of disk (%) DSM, DSM UC

.9 storageIOLA1 Integer - The 1-minute average load of disk (%)

DSM, DSM UC

.10 storageIOLA5 Integer - The 5-minute average load of disk (%)

DSM, DSM UC

.11 storageIOLA15 Integer - The-15 minute average load of disk (%)

DSM, DSM UC

11

Synology MIB files

OID Name Type Status Type

Explanation Supported OS

.12 storageIONReadX Counter64 - The number of bytes read from this device since boot

(64 bit VER.)

DSM, DSM UC

.13 storageIONWrittenX Counter64 - The number of bytes written to this device since boot

(64 bit VER.)

DSM, DSM UC

.14 storageIODeviceSerial String The serial number of this device

DSM UC

Synology SpaceIO MIB (OID: .1.3.6.1.4.1.6574.102)

The Synology SpaceIO MIB has I/O information of volumes.

Table 3-12 SpaceIO MIB OID Name Type Status

Type Explanation Supported

OS .1 spaceIOIndex Integer - Used internally for spaceIO

table and not accessible DSM, DSM UC

.2 spaceIODevice String - The name of the device this volume mounted on

DSM, DSM UC

.3 spaceIONRead Counter32 - The number of bytes read from this volume since boot

(32 bit VER.)

DSM, DSM UC

.4 spaceIONWritten Counter32 - The number of bytes written to this volume since boot

(32 bit VER.)

DSM, DSM UC

.5 spaceIOReads Counter32 - The number of read accesses from this volume since boot

DSM, DSM UC

.6 spaceIOWrites Counter32 - The number of write accesses to this volume since boot

DSM, DSM UC

.8 spaceIOLA Integer - The load of disk in the volume (%)

DSM, DSM UC

.9 spaceIOLA1 Integer - The 1 minute average load of disk in the volume (%)

DSM, DSM UC

.10 spaceIOLA5 Integer - The 5 minute average load of disk in the volume (%)

DSM, DSM UC

.11 spaceIOLA15 Integer - The 15 minute average load of disk in the volume (%)

DSM, DSM UC

.12 spaceIONReadX Counter64 - The number of bytes read from this volume since boot

(64 bit VER.)

DSM, DSM UC

.13 spaceIONWrittenX Counter64 - The number of bytes written to this volume since boot

(64 bit VER.)

DSM, DSM UC

.14 spaceUUID String - The UUID of this volume DSM UC

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Synology MIB files

Synology FlashCache MIB (OID: .1.3.6.1.4.1.6574.103)

The Synology FlashCache MIB monitors the resource usage of SSD cache. The collection

frequency is 5 seconds.

Note: The MIB is only suitable for the model which support SSD cache. Otherwise, it will

return zero value for each OID path.

Table 3-13 FlashCache MIB OID Name Type Status

Type Explanation Supported

OS .1 flashCacheIndex Integer - Reference index

for each observed device

DSM, DSM UC

.2 flashCacheSSDDev String - The SSD device name on flashcache we are counting/ checking

DSM, DSM UC

.3 flashCacheSpaceDev String - The space device name on flashcache we are counting/ checking

DSM, DSM UC

.4 flashCacheReadHits Counter64 - The number of reads on flashcache

DSM, DSM UC

.5 flashCacheWriteHits Counter64 - The number of writes on flashcache 

DSM, DSM UC

.6 flashCacheDiskRead Counter64 - The number of reads on disk

DSM, DSM UC

.7 flashCacheDiskWrite Counter64 - The number of writes on disk

DSM, DSM UC

.8 flashCacheTotalRead Counter64 - The number of reads on volume with flashcache

DSM, DSM UC

.9 flashCacheTotalWrite Counter64 - The number of writes on volume with flashcache

DSM, DSM UC

.10 flashCacheReadHitRate Integer - The read hit rate of flashcache (%)

DSM, DSM UC

.11 flashCacheWriteHitRate Integer - The write hit rate of flashcache (%)

DSM, DSM UC

.12 flashCacheReadSeqSkip Counter64 - The number of skipped sequential reads on flashcache

DSM, DSM UC

.13 flashCacheWriteSeqSkip Counter64 - The number of skipped sequential writes on flashcache

DSM, DSM UC

.14 flashCacheWriteMissSsd Counter64 - The number of data writes to SSD for the first time

DSM, DSM UC

.15 flashCacheSsdUuid String - The SSD UUID on flashcache we are counting/checking

DSM, DSM UC

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Synology MIB files

Synology iSCSI LUN MIB (OID: .1.3.6.1.4.1.6574.104)

The Synology iSCSI LUN MIB can list all the loaded LUNs and show their running information. If

a LUN has been created but not loaded (e.g. when linked to a target), it will not appear in this

list. The 64-bit throughput is composed of two 32-bit integers; two int32 are used to record it.

Table 3-14 iSCSI LUN MIB OID Name Type Status

Type Explanation Supported

OS .1 iSCSILUNInfoIndex Integer - Used

internally for iSCSI LUN table and not accessible

DSM, DSM UC

.2 iSCSILUNUUID String - LUN uuid DSM, DSM UC

.3 iSCSILUNName String - LUN name DSM, DSM UC

.4 iSCSILUNThroughputReadHigh Integer - The higher 32 bit of read throughput

DSM, DSM UC

.5 iSCSILUNThroughputReadLow Integer - The lower 32 bit of read throughput

DSM, DSM UC

.6 iSCSILUNThroughputWriteHigh Integer - The higher 32 bit of write throughput

DSM, DSM UC

.7 iSCSILUNThroughputWriteLow Integer - The lower 32 bit of write throughput

DSM, DSM UC

.8 iSCSILUNIopsRead Integer - LUN read iops

DSM, DSM UC

.9 iSCSILUNIopsWrite Integer - LUN write iops

DSM, DSM UC

.10 iSCSILUNDiskLatencyRead Integer - LUN read disk latency

DSM, DSM UC

.11 iSCSILUNDiskLatencyWrite Integer - LUN write disk latency

DSM, DSM UC

.12 iSCSILUNNetworkLatencyTx Integer - LUN network tx latency

DSM, DSM UC

.13 iSCSILUNNetworkLatencyRx Integer - LUN network rx latency

DSM, DSM UC

.14 iSCSILUNIoSizeRead Integer - LUN read average i/o size

DSM, DSM UC

.15 iSCSILUNIoSizeWrite Integer - LUN write average i/o size

DSM, DSM UC

.16 iSCSILUNQueueDepth Integer - Number of iSCSI commands in LUN queue

DSM, DSM UC

.17 iSCSILUNType String - LUN type (advanced lun, block lun, etc.)

DSM, DSM UC

.18 iSCSILUNDiskLatencyAvg Integer - Average latency of LUN disk

DSM 7.0 and above

14

Synology MIB files

OID Name Type Status Type

Explanation Supported OS

.19 iSCSILUNThinProvisionVolFreeMBs Integer - Free space(MB) of thin provisioning lun's volume

DSM 7.0 and above

Synology Ebox MIB (OID: .1.3.6.1.4.1.6574.105)

The Synology Ebox MIB provides the power status of expansion unit connected to Synology

servers. Table 14 shows the information provided in ebox MIB. Table 15 describes the content

of each eboxPower and eboxRedundantPower status in detail.

Table 3-15 Ebox MIB OID Name Type Status

Type Explanation

.1 eboxIndex Integer - Expansion unit Index

.2 eboxModel String - Expansion unit model

.3 eboxPower Integer Normal (1)* Power status of expansion unit

.4 eboxRedundantPower Integer Normal (1)* Redundant power status of expansion unit (if the ebox has no redundant power interface, this OID will not appear)

* For eboxPower and eboxRedundantPower details, please see Table 3-15.

Table 3-16 Ebox Power and Redundant Power Status Explanation Status Explanation

Normal (1) The power supplies well Poor (2) The power supplies badly Disconnection (3) The power is not connected

Synology SHA MIB (OID: .1.3.6.1.4.1.6574.106)

The Synology SHA MIB provides basic cluster information and monitors cluster status and

heartbeat status.

Table 3-17 SHA MIB OID Name Type Status

Type Explanation Supported

OS .1 activeNodeName String - Hostname of active server DSM .2 passiveNodeName String - Hostname of passive server DSM .3 clusterAutoFailover Integer true (1)

false (2)

Whether cluster can failover once something went wrong

DSM

.4 clusterName String - Hostname of High-Availability cluster

DSM

.5 clusterStatus Integer * Status of High-Availability cluster

DSM

.6 heartbeatStatus Integer * Status of heartbeat connection DSM

.7 heartbeatTxRate Integer - Transfer speed of heartbeat in kilo-byte-per-second

DSM

.8 heartbeatLatency Integer - Heartbeat latency in microseconds (10^-6 seconds)

DSM

15

Synology MIB files

* For clusterStatus details, please see Table 3-17.

* For heartbeatStatus details, please see Table 3-18.

Table 3-18 Cluster Status Explanation Status Explanation Supported

OS normal (0) The High-Availability cluster is healthy DSM warning (1) The High-Availability cluster has something went wrong.

Action should be taken to resume High-Availability feature. Please refer to High-Availability Manager for more details.

DSM

critical (2) The High-Availability cluster is in danger, and should be resolved as soon as possible.

Please refer to High-Availability Manager for more details.

DSM

upgrading (3)

The High-Availability cluster is upgrading. DSM

processing (4)

The High-Availability cluster is undergoing some operation. DSM

Table 3-19 Heartbeat Status Explanation Status Explanation Supported

OS normal (0) The heartbeat connection is normal. DSM abnormal (1) Some information about heartbeat is not available. DSM disconnected (2)

The High-Availability cluster loses connection to passive server through heartbeat interface, or it is currently in split-brain mode.

DSM

empty (3) The High-Availability cluster has no passive server. DSM

Synology NFS MIB (OID: .1.3.6.1.4.1.6574.107)

The Synology NFS MIB monitors the maximum latency and operations of NFS. Every value will

be cached for 3 seconds. Therefore, if you access a value twice within 3 seconds, you will get

the same value. The maximum latency will always clear the cache and recount the value once

the value has been updated.

Table 3-20 NFS MIB OID Name Type Status

Type Explanation Supported

OS .1 nfsIndex Integer - Used internally for NFS

table and not accessible DSM 7.0 and above

.2 nfsName String - The name of NFS DSM 7.0 and above

.3 nfsTotalMaxLatency Integer - Maximum latency of all the NFS operations

DSM 7.0 and above

.4 nfsReadMaxLatency Integer - Maximum latency of the NFS read operations

DSM 7.0 and above

.5 nfsWriteMaxLatency Integer - Maximum latency of the NFS write operations

DSM 7.0 and above

.6 nfsTotalOPS Counter64 - Accumulated counts of all the NFS operations

DSM 7.0 and above

.7 nfsReadOPS Counter64 - Accumulated counts of the NFS read operations

DSM 7.0 and above

.8 nfsWriteOPS Counter64 - Accumulated counts of the NFS write operations

DSM 7.0 and above

16

Synology MIB files

Synology GPUInfo MIB (OID: .1.3.6.1.4.1.6574.108)

The Synology GPUInfo MIB monitors the resource usage of GPU card. The collection frequency

is 5 seconds.

Note: The MIB is only available on models which supports GPU card such as the DVA3221.

Otherwise, it will return zero value for each OID path.

Table 3-21 GPUInfo MIB OID Name Type Status Type Explanation Supported

OS .1 gpuInfoSupported Integer Supported

(0) Unsupported (1)

Supported GPU DSM

.2 gpuUtilization Integer - The percentage of GPU time spent on processing user space in last 1 second

DSM

.3 gpuMemoryUtilization Integer - The percentage of GPU memory usage in last 1 second

DSM

.4 gpuMemoryFree Integer - The amount of currently free GPU memory in kb

DSM

.5 gpuMemoryUsed Integer - The amount of currently used GPU memory in kb

DSM

.6 gpuMemoryTotal Integer - The total physical GPU memory size

DSM

Synology Port MIB (OID: .1.3.6.1.4.1.6574.109)

The Synology Port MIB defines the status of each Ethernet port, such as link status and link

speed, as listed in table 3-20. The cache interval is 5 seconds.

Note: The MIB is only available on models running SRM, such as RT2600ac.

Table 3-22 Port MIB OID Name Type Status Type Explanation Supported

OS .1 ethPortIndex Integer32 - Used internally for SNMP

table and not accessible SRM 1.2.5 and above

.2 ethPortStatus Integer unknown(1) up(2) down(3)

The link status of the Ethernet port

SRM 1.2.5 and above

.3 ethPortSpeed Gauge32 - The link speed of the Ethernet port in units of 1,000,000 bits per second

SRM 1.2.5 and above

17

Synology MIB files

Synology iSCSI Target MIB (OID: .1.3.6.1.4.1.6574.110)

The Synology iSCSI Target MIB can list all iSCSI targets and show their basic information, such

as target name, IQN and connection status.

Table 3-23 iSCSI Target MIB OID Name Type Status

Type Explanation Supported

OS .1 iSCSITargetInfoIndex Integer32 - Used

internally for SNMP table and not accessible

DSM 7.0 and above

.2 iSCSITargetName String - Name of the iSCSI target

DSM 7.0 and above

.3 iSCSITargetIQN String - IQN of the iSCSI target

DSM 7.0 and above

.4 iSCSITargetConnectionStatus String - Connection status of the iSCSI target

DSM 7.0 and above

18

Useful OIDs

Useful OIDs

Although there are many native MIB files supported by Synology, user may be interested in

specific information about the Synology servers, such as CPU, memory and so on. The tables

below list the native OIDs related to load, CPU, memory, network and disk for gathering useful

devices data easily.

Table 4-1 CPU-Related OID OID Name Explanation Supported

OS .1.3.6.1.4.1.2021.10.1.5.1 laLoadInt.1 System load average within

the last 1 minute DSM, DSM UC

.1.3.6.1.4.1.2021.10.1.5.2 laLoadInt.2 System load average within the last 5 minutes

DSM, DSM UC

.1.3.6.1.4.1.2021.10.1.5.3 laLoadInt.3 System load average within the last 15 minutes

DSM, DSM UC

.1.3.6.1.4.1.2021.11.9.0 ssCpuUser The percentage of CPU time spent processing user-level code

DSM, DSM UC

.1.3.6.1.4.1.2021.11.10.0 ssCpuSystem The percentage of CPU time spent processing system- level code, calculated over the last minute

DSM, DSM UC

.1.3.6.1.4.1.2021.11.11.0 ssCpuIdle The percentage of processor time spent idle, calculated over the last minute

DSM, DSM UC

Table 4-2 Memory-Related OID OID Name Explanation Supported

OS .1.3.6.1.4.1.2021.4.3.0 memTotalSwap The total amount of swap

space configured for this host

DSM, DSM UC

.1.3.6.1.4.1.2021.4.4.0 memAvailSwap The amount of swap space currently unused or available

DSM, DSM UC

.1.3.6.1.4.1.2021.4.5.0 memTotalReal The total amount of real/ physical memory

DSM, DSM UC

.1.3.6.1.4.1.2021.4.6.0 memAvailReal The amount of real/physical memory currently unused or available

DSM, DSM UC

.1.3.6.1.4.1.2021.4.11.0 memTotalFree The total amount of memory free or available for use on this host (This value typically covers both real memory and swap space or virtual memory.)

DSM, DSM UC

19

Useful OIDs

OID Name Explanation Supported OS

.1.3.6.1.4.1.2021.4.13.0 memShared The total amount of real or virtual memory currently allocated for use as shared memory

DSM, DSM UC

.1.3.6.1.4.1.2021.4.14.0 memBuffer The total amount of real or virtual memory currently allocated for use as memory buffers

DSM, DSM UC

.1.3.6.1.4.1.2021.4.15.0 memCached The total amount of real or virtual memory currently allocated for use as cached memory

DSM, DSM UC

Table 4-3 Network-Related OID OID Name Explanation Supported

OS .1.3.6.1.2.1.31.1.1.1.1 ifName The textual name of the

interface DSM, DSM UC

.1.3.6.1.2.1.31.1.1.1.6 ifHCInOctets The total number of octets received on the interface

DSM, DSM UC

.1.3.6.1.2.1.31.1.1.1.10 ifHCOutOctets The total number of octets transmitted out of the interface

DSM, DSM UC

Table 4-4 Disk-Related OID OID Name Explanation Supported

OS .1.3.6.1.2.1.25.2.3.1.3 hrStorageDescr A description of the

type and instance of the storage described by this entry

DSM, DSM UC

.1.3.6.1.2.1.25.2.3.1.4 hrStorageAllocationUnits The size, in bytes, of the data objects allocated from this pool

DSM, DSM UC

.1.3.6.1.2.1.25.2.3.1.5 hrStorageSize The size of the storage represented by this entry, in units of hrStorageAllocationUnits

DSM, DSM UC

.1.3.6.1.2.1.25.2.3.1.6 hrStorageUsed The amount of the storage represented by this entry

DSM, DSM UC

.1.3.6.1.4.1.2021.13.15.1.1.2 diskIODevice The name of the device we are counting/checking

DSM, DSM UC

.1.3.6.1.4.1.2021.13.15.1.1.12 diskIONReadX The number of bytes read from this device since boot

DSM, DSM UC

.1.3.6.1.4.1.2021.13.15.1.1.13 diskIONWrittenX The number of bytes written to this device since boot

DSM, DSM UC

.1.3.6.1.4.1.6574.2 synoDisk For Synology disk information (Synology only)

DSM, DSM UC

20

Useful OIDs

Table 4-5 System-Related OID OID Name Explanation Suported OS

.1.3.6.1.4.1.6574.1 synoSystem For Synology system information (Synology only)

DSM, DSM UC

Table 4-6 RAID-Related OID OID Name Explanation Suported OS

.1.3.6.1.4.1.6574.3 synoRaid For Synology RAID information (Synology only)

DSM, DSM UC

Table 4-7 UPS-Related OID OID Name Explanation Suported OS

.1.3.6.1.4.1.6574.4 synoUPS For Synology UPS information (Synology only)

DSM, DSM UC

21

Monitor Specific OIDs

Monitor Specific OIDs

In any NMS, particular MIB files are needed in order to capture data through SNMP. Users

need to import all MIB files to ensure that the NMS can resolve specific OIDs. Once imported,

data can be captured by setting up the NMS. Although the means of operating different kinds

of NMS may vary, the process of OID monitoring is similar. The overall procedure is as follows.

1. Import MIB file into NMS.

2. Set up the NMS to monitor specific OIDs.

The following guide demonstrates the usage of PRTG (a type of NMS) including how to import

MIB files and set up monitoring for the provided OIDs. For further help regarding PRTG, please

consult PRTG documentation, as the following is only intended to be a brief description of OID

monitoring.

Import MIB Files

As PRTG cannot import MIB files directly, Paessler MIB Importer is required to convert MIB files

into the PRTG format:

1. Download Paessler MIB Importer from http://www.paessler.com/tools/mibimporter and

install it on your computer.

2. Go to Import > MIB Files.

3. Choose all the Synology MIB file together and click Open File.

All MIB files (cf. Table 2) must be imported together as they are mutually dependent and

Paessler MIB Importer cannot load them individually. If the import is successful, a window as

shown in Figure 1 should appear. Detailed information is shown in Figure 2.

22

Monitor Specific OIDs

Figure 1. Import MIB: Successful

Figure 2. Detailed Information on MIB 4. Go to File > Save As to export to the PRTG-supported format.

A PRTG-supported library containing the MIB information will then be generated.

23

Monitor Specific OIDs

Set up the NMS

The PRTG-supported library containing the MIB files in question should be placed into the

folder: snmplibs. Once this has been done, specific OIDs can be set up for monitoring in

PRTG. This guide assumes that your Synology servers has already been added to the devices

list and focuses only on how to add OIDs for monitoring.

1. Enter the PRTG Network Monitor.

2. Go to Sensors > Add Sensor.

3. Click Add sensor to an existing device and choose a device.

24

Monitor Specific OIDs

4. Choose SNMP Library and the library exported in the previous section.

5. Select items for monitoring.

25

Document Revision History

Document Revision History

This table describes the revisions made to Synology servers MIB Guide.

Table 6-1 Document Revision History Date Note

2012-07-19 Document created 2013-10-29 Modified OID name and added UPS MIB 2013-11-04 Added more MIBs and useful OID 2016-10-31 Added more MIBs 2018-06-30 Added Ebox MIB

Added useful OIDs in RAID MIB 2018-12-18 Added GPUInfo MIB

Added FlashCache MIB 2018-12-24 Added SHA MIB 2020-01-10 Added information for Synology Unified Controller and eGPU

MIB 2021-02-23 Added PORT MIB for SRM 2021-05-25 Added NFS MIB and iSCSI Target MIB

26

Copyright and Disclaimer Notices

Copyright and Disclaimer Notices

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in any form or by any means, mechanical, electronic, photocopying, recording, or otherwise,

without prior written permission of Synology Inc., with the following exceptions: Any person

is hereby authorized to store documentation on a single computer for personal use only and

to print copies of documentation for personal use provided that the documentation contains

Synologys copyright notice.

The Synology logo is a trademark of Synology Inc.

No licenses, express or implied, are granted with respect to any of the technology described in

this document. Synology retains all intellectual property rights associated with the technology

described in this document. This document is intended to assist application developers to

develop applications only for Synology-labelled computers.

Every effort has been made to ensure that the information in this document is accurate.

Synology is not responsible for typographical errors.

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Synology and the Synology logo are trademarks of Synology Inc., registered in the United

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Other products and company names mentioned herein are trademarks of their respective

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27

Copyright and Disclaimer Notices

Even though Synology has reviewed this document, SYNOLOGY MAKES NO WARRANTY OR

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28

Copyright and Disclaimer Notices

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Manualsnet FAQs

If you want to find out how the DS 106e Synology works, you can view and download the Synology NAS DS 106e MIB Guide on the Manualsnet website.

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