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Search, upload, browse, or download from a database of over 11,000 SNMP MIBs. MIB Viewer lets you look up any MIB object by name, OID, or number, view its syntax, access level, and description, trace its place in the MIB tree, and generate ready-to-run SNMP commands — all in your browser.

What's a MIB?

A MIB (Management Information Base) is a structured document that defines the data a device exposes over SNMP — things like interface counters, system uptime, or CPU load. Each module declares a set of named objects, organized into a tree.

What's SNMP?

SNMP (Simple Network Management Protocol) is how network devices — routers, switches, servers — report status and statistics to monitoring tools. It's the protocol; MIBs are the vocabulary it uses to describe what's being asked for.

What's an OID?

An OID (Object Identifier) is the numeric address of one piece of data in a MIB — a dotted sequence like 1.3.6.1.2.1.1.1, read from the root of a global tree down to one specific object. Names are easier to read; OIDs are what's actually sent over the wire.

Try it: sysDescr (1.3.6.1.2.1.1.1) →

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iso/org/dod/internet/private/enterprises/.6574/synoRaid/raidTable/raidEntry/raidStatus

raidStatus

OBJECT-TYPE

1.3.6.1.4.1.6574.3.1.1.3

Access

read-only

Status

current

Source

SYNOLOGY-RAID-MIB

Sub-identifiers

Description

Synology Raid status Each meanings of status represented describe below. Normal(1): The raid functions normally. Degrade(11): Degrade happens when a tolerable failure of disk(s) occurs. Crashed(12): Raid has crashed and just uses for read-only operation. ** 2018/6/15 add ** DataScrubbing(13): Raid status is DATASCRUBBING RaidDeploying(14) : Deploying Single volume on pool RaidUnDeploying(15): Undeploying Single volume on pool RaidMountCache(16): Mounting SSD cache RaidUnmountCache(17): Unmounting SSD cache RaidExpandingUnfinishedSHR(18): Continue expand SHR if interrupted RaidConvertSHRToPool(19): Converting Single volume on SHR to mutiple volume on SHR RaidMigrateSHR1ToSHR2(20): Migrating SHR1 to SHR2 RaidUnknownStatus(21): Unknown raid status ** END ** Note: Other status will be showed when creating or deleting raids, including below status, Repairing(2), Migrating(3), Expanding(4), Deleting(5), Creating(6), RaidSyncing(7), RaidParityChecking(8), RaidAssembling(9) and Canceling(10).

Syntax

Integer32(1..12)