THIN-SERVER-MIB

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Category: System Management

Description: Manages thin server hardware configuration, resource utilization, and operational status.

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What Is THIN-SERVER-MIB?

THIN-SERVER-MIB is an IBM MIB (under the ibmThinServer branch) managing thin-server functionality, where a device provides local file caching for client stations or passes connections through to a master server. It exposes configuration for the caching mode (enabled, passthru, disabled, or disabling-pending), cache refresh scheduling, and resource usage including memory, local hard-file space, and number of cached files. It is used to monitor both software service status and hardware resource consumption — specifically memory usage, disk (hard-file) space used versus available, and the count of cached files, which together indicate whether the caching service is healthy or running low on resources. It depends on IBM's broader networking station architecture, referencing a master server relationship (thinserverMasterServerIPAddress) and sync protocol rather than a shared IETF standard. It is deployed on IBM networking station/thin-client infrastructure where local caching offloads a central master file server. Engineers can download the THIN-SERVER-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in THIN-SERVER-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

IBM thin server / networking station

Monitoring Examples

thinserverMemory and thinserverHardFileSpace/thinserverHardFileUsed reveal current memory and disk utilization by the caching service, while thinserverNumFilesCached tracks how many files are currently cached locally. An administrator would alert when thinserverHardFileUsed approaches thinserverHardFileSpace, indicating the local cache disk is nearly full, and could invoke thinserverRefreshNow to force an immediate resync against thinserverMasterServerIPAddress if cached content appears stale under the configured thinserverSyncProtocol.

What Can Be Monitored

cache mode (enabled/passthru/disabled)
memory usage
hard-file disk space used vs. available
number of files cached
master server sync status
cache refresh interval/time

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

enterprises

From SNMPv2-SMI

Counter32
Gauge32
Integer32
IpAddress

From SNMPv2-TC

DisplayString
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
genInfo	1.3.6.1.4.1.2.6.119.2.3.1
genStat	1.3.6.1.4.1.2.6.119.2.3.2
ibmThinServer	1.3.6.1.4.1.2.6.119.2.3
msConnStats	1.3.6.1.4.1.2.6.119.2.3.3
nfsStat	1.3.6.1.4.1.2.6.119.2.3.6
rfsStat	1.3.6.1.4.1.2.6.119.2.3.4
tftpStat	1.3.6.1.4.1.2.6.119.2.3.5
I32 thinserverConfiguredMemory	1.3.6.1.4.1.2.6.119.2.3.1.18	Integer32	read-only	This is the amount of memory in kilobytes defined by the user to be reserved for caching files.
INT thinserverEnable	1.3.6.1.4.1.2.6.119.2.3.1.1	INTEGER	read-write	This device provides thin server support. If enabled(1) then this device will provide local file caching of selected files. If passthru(2) then this device will have connections to the clients and pass any frames received on those connections to the master server and pass frames received from the master server to the appropriate client. If disabled(0) then the clients will contact the master server directly. If disabledpending(3), then thin server support is in the process of disabling.
G32 thinserverFilesOpenCurrently	1.3.6.1.4.1.2.6.119.2.3.2.1	Gauge32	read-only	This is the number of files currently in the open state because of the thin server function.
I32 thinserverHardFileSpace	1.3.6.1.4.1.2.6.119.2.3.1.6	Integer32	read-only	This is the total amount of hard file space, in kilobytes, which can be used for the files being cached for the thin server function.
G32 thinserverHardFileUsed	1.3.6.1.4.1.2.6.119.2.3.1.7	Gauge32	read-only	This is the total amount of hard file space, in kilobytes, which is currently being used for the files related to the thin server function.
STR thinserverLastFileUpdate	1.3.6.1.4.1.2.6.119.2.3.3.4	DisplayString	read-only	This is the date and time of day (02/03/1998 23:08:09) that the most recent file refresh occurred.
IP thinserverMasterServerIPAddress	1.3.6.1.4.1.2.6.119.2.3.1.9	IpAddress	read-only	This is the IP address of the server for which this device is staging files.
I32 thinserverMaxRetries	1.3.6.1.4.1.2.6.119.2.3.1.14	Integer32	read-only	This is the maximum number of times defined by the user that the TFTP daemon will try to resend a packet.
I32 thinserverMaxSegSize	1.3.6.1.4.1.2.6.119.2.3.1.15	Integer32	read-only	This is the maximum segment block size defined by the user.
I32 thinserverMemory	1.3.6.1.4.1.2.6.119.2.3.1.5	Integer32	read-only	This is the amount of memory in kilobytes calculated at runtime to be reserved for caching files. This may be the same amount as the configured memory.
STR thinserverMountPointsDescr	1.3.6.1.4.1.2.6.119.2.3.1.12.1.2	DisplayString	read-only	A textual string containing the name of a mount point (NFS). This name can be 1024 bytes long, but only the last 255 bytes will be displayed.
thinserverMountPointsEntry	1.3.6.1.4.1.2.6.119.2.3.1.12.1		not-accessible	An entry containing objects that define which directories are to be included for the mount point.
I32 thinserverMountPointsIndex	1.3.6.1.4.1.2.6.119.2.3.1.12.1.1	Integer32	not-accessible	A unique value for each mount point.
INT thinserverMountPointsScope	1.3.6.1.4.1.2.6.119.2.3.1.12.1.3	INTEGER	read-only	If include(1), then that directory is included in the mount point. If exclude(2), then that directory is excluded from the mount point.
thinserverMountPointsTable	1.3.6.1.4.1.2.6.119.2.3.1.12		not-accessible	When NFS is used as the synchronization protocol, then this table lists the directories to be included in the mount point from which files will be cached.
G32 thinserverNFSDCurrentClients	1.3.6.1.4.1.2.6.119.2.3.6.7	Gauge32	read-only	The current number of clients that have active mounts to the NFS Server Mount Daemon.
G32 thinserverNFSDCurrentMounts	1.3.6.1.4.1.2.6.119.2.3.6.5	Gauge32	read-only	The number of currently active mounts.
C32 thinserverNFSDReadDirRequests	1.3.6.1.4.1.2.6.119.2.3.6.2	Counter32	read-only	The total number of READDIR requests received from NFS clients.
C32 thinserverNFSDReadRequests	1.3.6.1.4.1.2.6.119.2.3.6.1	Counter32	read-only	The total number of READ requests received from NFS clients.
INT thinserverNFSDResetCounters	1.3.6.1.4.1.2.6.119.2.3.6.8	INTEGER	read-write	Reset the NFSD counters to zero. A read of this object will always return noaction(1).
C32 thinserverNFSDTotalClients	1.3.6.1.4.1.2.6.119.2.3.6.6	Counter32	read-only	The total number of clients that have successfully mounted to the NFS Server Mount Daemon.
C32 thinserverNFSDTotalMounts	1.3.6.1.4.1.2.6.119.2.3.6.4	Counter32	read-only	This is the total number of succesful mount requests received from NFS clients.
C32 thinserverNFSDUnsupportedRequests	1.3.6.1.4.1.2.6.119.2.3.6.3	Counter32	read-only	This is the total number of requests for unsupported procedures received by NFS clients.
C32 thinserverNoRoomOnHardFile	1.3.6.1.4.1.2.6.119.2.3.2.6	Counter32	read-only	Number of times the thin server function attempted to cache a file but could not because there was no more thin server space available on the hard disk.
C32 thinserverNum449Accepts	1.3.6.1.4.1.2.6.119.2.3.4.5	Counter32	read-only	The number of port 449 (port mapper) accepts.
G32 thinserverNum449ConnsActive	1.3.6.1.4.1.2.6.119.2.3.4.6	Gauge32	read-only	The number of port 449 (port mapper) connections currently active.
C32 thinserverNum8473Accepts	1.3.6.1.4.1.2.6.119.2.3.4.7	Counter32	read-only	The number of port 8473 (RFS server) accepts.
G32 thinserverNum8473ConnsActive	1.3.6.1.4.1.2.6.119.2.3.4.8	Gauge32	read-only	The number of port 8473 (RFS server) connections currently active.
C32 thinserverNum8476Accepts	1.3.6.1.4.1.2.6.119.2.3.4.9	Counter32	read-only	The number of port 8476 (Login server) accepts.
G32 thinserverNum8476ConnsActive	1.3.6.1.4.1.2.6.119.2.3.4.10	Gauge32	read-only	The number of port 8476 (Login server) connections currently active.
G32 thinserverNumFilesCached	1.3.6.1.4.1.2.6.119.2.3.1.8	Gauge32	read-only	This is the total number of files being cached by the thin server function.
C32 thinserverNumFilesRefreshed	1.3.6.1.4.1.2.6.119.2.3.3.3	Counter32	read-only	Number of files which have been refreshed in the cache.
C32 thinserverNumRefreshes	1.3.6.1.4.1.2.6.119.2.3.3.1	Counter32	read-only	Number of times the cache has been successfully refreshed.
C32 thinserverNumRefreshFail	1.3.6.1.4.1.2.6.119.2.3.3.2	Counter32	read-only	Number of times the cache has failed to refresh because the connection to the master server could not be established.
C32 thinserverNumRFSWrites	1.3.6.1.4.1.2.6.119.2.3.4.11	Counter32	read-only	The number of attempts to write to a file being cached. The write and all future accesses to that file (until it is closed) will be relayed to the server.
C32 thinserverOpenFailsFileLocked	1.3.6.1.4.1.2.6.119.2.3.2.5	Counter32	read-only	Number of times a read was relayed to the server because this device cannot serve the desired file because it is locked.
I32 thinserverPacketTimeout	1.3.6.1.4.1.2.6.119.2.3.1.13	Integer32	read-only	This is the number of seconds defined by the user until a packet will time out.
STR thinserverPreloadListName	1.3.6.1.4.1.2.6.119.2.3.1.11	DisplayString	read-only	This is the fully-qualified name of the file which contains the pre-load list. This name can be 1024 bytes long but only the last 255 bytes will be displayed.
C32 thinserverReadMissesDirty	1.3.6.1.4.1.2.6.119.2.3.2.3	Counter32	read-only	Number of times a read was relayed to the server because the file on this device is different than the version on the master server.
C32 thinserverReadMissesNotPresent	1.3.6.1.4.1.2.6.119.2.3.2.4	Counter32	read-only	Number of times a read was relayed to the server because this device does not have the desired file.
I32 thinserverRefreshInterval	1.3.6.1.4.1.2.6.119.2.3.1.2	Integer32	read-only	This is the number of days between refreshes of this devices cache.
INT thinserverRefreshNow	1.3.6.1.4.1.2.6.119.2.3.1.4	INTEGER	read-write	This flag indicates that the device should immediately refresh all files which it is caching. A read of this object will always return noaction(1).
STR thinserverRefreshTime	1.3.6.1.4.1.2.6.119.2.3.1.3	DisplayString	read-only	This is the time of day (12:01:00) at which this device will verify that it has the same version of the files as the master server, and will download any files which are not the same version.
INT thinserverResetGenCounters	1.3.6.1.4.1.2.6.119.2.3.2.7	INTEGER	read-write	Reset the general counters to zero. A read of this object will always return noaction(1).
INT thinserverResetMSConnStats	1.3.6.1.4.1.2.6.119.2.3.3.5	INTEGER	read-write	Reset the MS connection counters to zero. A read of this object will always return noaction(1).
INT thinserverResetRFSCounters	1.3.6.1.4.1.2.6.119.2.3.4.12	INTEGER	read-write	Reset the RFS counters to zero. A read of this object will always return noaction(1).
INT thinserverResetTFTPCounters	1.3.6.1.4.1.2.6.119.2.3.5.5	INTEGER	read-write	Reset the TFTP counters to zero. A read of this object will always return noaction(1).
INT thinserverRestartNow	1.3.6.1.4.1.2.6.119.2.3.1.17	INTEGER	read-write	This flag indicates that the device should immediately restart the thinserver feature. A read of this object will always return noaction(1).
G32 thinserverRFSCurrentClients	1.3.6.1.4.1.2.6.119.2.3.4.2	Gauge32	read-only	The number of clients currently connected to this device using RFS/400 protocol.
C32 thinserverRFSFilesServed	1.3.6.1.4.1.2.6.119.2.3.4.3	Counter32	read-only	This is the number of open requests for which this device opened a cached file.
C32 thinserverRFSFilesServedByMS	1.3.6.1.4.1.2.6.119.2.3.4.4	Counter32	read-only	This is the number of open requests for which this device has passed the request thru to the master server because the local copy either does not exist, is out-of-date, or is not accessable.
C32 thinserverRFSTotalClients	1.3.6.1.4.1.2.6.119.2.3.4.1	Counter32	read-only	The number of clients which have connected to this device using RFS/400 protocol.
INT thinserverSyncProtocol	1.3.6.1.4.1.2.6.119.2.3.1.10	INTEGER	read-only	This is the protocol which will be used to determine whether or not the cache needs to be updated and if so, this protocol will be used to retrieve the new version of the file(s).
G32 thinserverTFTPCurrentClients	1.3.6.1.4.1.2.6.119.2.3.5.2	Gauge32	read-only	The number of clients currently connected to this device using TFTP protocol.
C32 thinserverTFTPFileisServed	1.3.6.1.4.1.2.6.119.2.3.5.3	Counter32	read-only	This is the number of open requests for which this device opened a cached file.
C32 thinserverTFTPFilesServedByMS	1.3.6.1.4.1.2.6.119.2.3.5.4	Counter32	read-only	This is the number of open requests for which this device has passed the request thru to the master server because the local copy either does not exist, is out-of-date, or is not accessable.
C32 thinserverTFTPTotalClients	1.3.6.1.4.1.2.6.119.2.3.5.1	Counter32	read-only	The number of clients which have connected to this device using TFTP protocol.
C32 thinserverTotalFileOpens	1.3.6.1.4.1.2.6.119.2.3.2.2	Counter32	read-only	This is the total number of files that have been opened since the last reset of the genStat counters because of the thin server function.
T/F thinserverUseHardFile	1.3.6.1.4.1.2.6.119.2.3.1.16	TruthValue	read-only	This tells whether or not we are to use the hardfile when caching.

RFC description

IBM thin server MIB for managing client caching and transparent server support for network file services.

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Download THIN-SERVER-MIB

What Is THIN-SERVER-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description