CISCO-FC-SDV-MIB: View SNMP OID List / Download MIB

VENDOR: CISCO


 Home MIB: CISCO-FC-SDV-MIB
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Object Name OID Type Access Info
 ciscoFcSdvMIB 1.3.6.1.4.1.9.9.593
This MIB instrumentation is for managing Fibre Channel (FC) SAN Device Virtualization (SDV) solution on Cisco Fibre Channel devices. Glossary of the terms used in this MIB: --------------------------------------- Config Commit - User initiated action that triggers commiting of configuration to local device/fabric. Eg. CFS based config 'commit' as described in CISCO-CFS-MIB. Domain - The highest or most significant hierarchical level in the three-level FC addressing hierarchy. Device Aias - is a string which can be used to alias a World Wide Name (WWN). FCID - Fibre Channel Address ID. A 24 bit Fabric unique address identifier. FCNS - Fibre Channel Name Server. Initiator - The system component that originates an I/O command over an I/O bus or network. NWWN - WWN associated with FC node. PWWN - WWN associated with FC port. Real Device - A hardware entity which includes Link Control facility. It is directly connected to a FC fabric and acts as originator/responder or both. RSCN - Registered State Change Notification. RSCN Notifications are sent to Nx_ports and other switches to notify that an event has occurred. SW_RSCN - Switch Registered State Change Notification. SW_RSCN Notifications are sent to neighbouring switches in a fabric to notify that an event has occurred. SCSI - Acronym for Small Computer System Interface. Target - The system component that receives a SCSI I/O command command. Virtual Device - The virtual initiator/target having its (VD) own device identity and proxies a Real Device (Initiator/Target) in a FC fabric. VT - Virtual Target. VI - Virtual Initiator. Virtual Domain - A logical Domain partition in a FC fabric within which a Virtual Device exists. VSAN - Virtual Storage Area Network, similar to a VLAN. WWN - Wide Name (WWN) associated with a Fibre Channel (FC) entity. A 64 bit identifier, with a 60 bit value preceded with a four bit Network_Address_Authority_Identifier, used to identify physical entities in Fibre Channel. The primary motivation for SAN Device Virtualization is the High availability of storage disk arrays with no downtime. Redundancy is achieved by duplication of information and hardware to ensure secondary device can take over the function of a primary device when the latter fails. The initiators (servers) perform I/O to the primary target. The secondary target is kept in sync to have a mirrored copy of the primary target by a replication mechanism. In the event of a disruption to primary target, all I/O must be immediately re-routed to secondary target so that services running on initiators remain un-interrupted. The SDV solution resides on a Cisco FC Switching Device. The target failover is achieved by presenting a virtual proxy target to initiator with the SDV acting as a conduit for creating and deleting the proxy (virtual) target on demand. The Virtual Target or in general Virtual Device can virtualize (proxy) set of Real Devices with one Real Device actively mapped as the primary mapping and the rest as secondary mappings. WWN2,FCID2 _____ | | [Switch Fabric] /| RT1 | ''''''''''''''' / |_____| WWN1,FCID1 ' ' / [Primary Real ____ ' WWN4,FCID4 ' / Target Device] | | ' +~~~~~~~+__'_/ | I |->--->'->| VT |__'_ |____| ' +~~~~~~~+ ' \ [Real Host ' ' \{On Fail-Over} (Initiator)] ' ' \ WWN3,FCID3 ''''''''''''''' \ _____ [VT: Virtual Target] \| | | RT2 | |_____| [Secondary Real Target Device] -<< Fig 1 >>- In the above figure (Fig 1), 'Switch Fabric' presents the Virtual Target 'VT' as a proxy device for real targets 'RT1' and 'RT2'. The Host/Initiator 'I' can discover a virtual target VT and does not see real targets RT1 and RT2 as accessible targets. The Virtual Target VT is configured on the switch and maps to one real target as a primary mapping. The Initiator performs I/O with VT. When the primary target RT1 fails, the secondary real target RT2 can take over. For the Initiator, failover/migration is transparent and continues to perform I/O with VT. ___ ____ ____ | |-->--[I->VT]-----[ ]---->--[I->T]---| | | I | [ VT ] | RT | | | [ ] | | |___|--<--[I<-VT]-----[____]----<--[I<-T]---|____| [Initiator] [Virtualized [Real Target] Target] -<< Fig 2 >>- When the Initiator 'I' performs I/O with VT, the SDV enabled switch performs FCID address translation to route FC frames to the real target RT (refer Fig 2). The I->VT frames are translated as I->T. The T->I frames are translated as VT->I. The SDV manages VT so that other devices (in the same zone) perceive it as just another device in the fabric. The cFcSdvVirtDeviceTable is table of Virtual Devices. The cFcSdvVirtRealDevMapTable is a table of mapping elements. A Virtual Device is represented by a row in the cFcSdvVirtDeviceTable, and if its value of cFcSdvVdRealDevMapList has the value of zero, then the Virtual Device is not currently mapped to any Real Devices. Otherwise, the Virtual Device is mapped to the set of Real Devices with each Real Device identified by the instance indentifier value of cFcSdvVirtRealDevMapIndex.
         ciscoFcSdvMIBNotifs 1.3.6.1.4.1.9.9.593.0
         ciscoFcSdvMIBObjects 1.3.6.1.4.1.9.9.593.1
             cFcSdvConfig 1.3.6.1.4.1.9.9.593.1.1
                 cFcSdvVirtDeviceTable 1.3.6.1.4.1.9.9.593.1.1.1 no-access
This table lists all the virtual devices configured on this device. The successful creation of a row in this table, through the use of the cFCSDMVdRowStatus object, followed by the 'Config Commit' will also cause the creation of rows in other tables. Specifically: - The Creation of Device Alias: An entry in the 'cfdaConfigTable' of CISCO-FC-DEVICE-ALIAS-MIB gets created by the agent with the value of the cFcSdvVdName as the instance identifier value of cfdaConfigDeviceAlias, 'pwwn' as the value of cfdaConfigDeviceType and the value of cFcSdvVdPwwn as the value of cfdaConfigDeviceId. An attempt to create an already existing Device Alias entry mapping to different Real Device would fail and hence results in failure to add Virtual Device entry in this table. In general, any failure in Device Alias creation/deletion will have corresponding effect of Virtual Device creation /deletion respectively. Similarly the deletion of a row in this table causes deletion of corresponding rows in other tables. Specifically: - An entry in the 'cfdaConfigTable' of CISCO-FC-DEVICE-ALIAS-MIB that corresponding to the value of cFcSdvVdName is deleted. Once a Virtual Device gets created successfully, such a device is available for zone configuration. The Virtual Device added as Device Alias can be used to create the zones and zoneSets using CISCO-ZS-MIB. The Device Alias is identified as the 'deviceAlias' type of ZoneMemberType in all occurrences of usage of ZoneMemberType in the zoning tables.
                     cFcSdvVirtDeviceEntry 1.3.6.1.4.1.9.9.593.1.1.1.1 no-access
An entry (conceptual row) in the cFcSdvVirtDeviceTable. Each entry represents a Virtual Device in a specific VSAN. +-------+---------+--- |VdIndex| +-------+---------+---- | maps to | +--|----+-------------------+--------------------+-----------------+-- | |____|VirtRealDevMapIndex|VirtRealDeviceIdType| VirtRealDeviceId|.. |vdIndex| | | | +-------+-------------------+--------------------+-----------------+-- -<< Fig 3 >>- The above figure (Fig 3) depicts the relationship that this conceptual row has with conceptual rows of the other tables for configuring the virtual device. The deletion of a row in this table also causes the deletion of all the Real Device mapping entries for the same combination of vsanIndex and cFcSdvVdIndex in the cFcSdvVirtRealDevMapTable.
                         cFcSdvVdIndex 1.3.6.1.4.1.9.9.593.1.1.1.1.1 unsigned32 no-access
An arbitrary index number of a Virtual Device. This instance value uniquely identifies a Virtual Device within the context of a particular VSAN and in the agent where an instance of this MIB instrumentation is running.
                         cFcSdvVdName 1.3.6.1.4.1.9.9.593.1.1.1.1.2 snmpadminstring read-only
A human readable string representing the name of this Virtual Device. The value of cFcSdvVdName should be unique in the system.
                         cFcSdvVdVirtDomain 1.3.6.1.4.1.9.9.593.1.1.1.1.3 domainidorzero read-only
The user preference for a persistent Domain Id for this Virtual Device to indicate a specific partition (domain) of the Fabric that this Virtual Device should belong to. If the value of this object is not explicitly set by the user, the system generates and uses a Virtual Domain from the allowed domains. The value of '0' indicates no user preference.
                         cFcSdvVdFcId 1.3.6.1.4.1.9.9.593.1.1.1.1.4 fcaddressid read-only
The user preference for a persistent 'FCID' for this Virtual Device. The value of the corresponding instance of cFcSdvVdVirtDomain specifies the Domain identifier part of the FCID. When the values for both cFcSdvVdVirtDomain and cFcSdvVdFcId are specified during row creation, the Domain ID part of cFcSdvVdFcId value should exactly match the value of cFcSdvVdVirtDomain. If the value of this object is not explicitly set by the user, the system generates and uses a FCID for this Virtual Device. The value of '000000'h indicates no user preference.
                         cFcSdvVdPwwn 1.3.6.1.4.1.9.9.593.1.1.1.1.5 fcnameidorzero read-only
The assigned 'PWWN' for this Virtual Device. The agent assigns this value when the configuration is committed.
                         cFcSdvVdNwwn 1.3.6.1.4.1.9.9.593.1.1.1.1.6 fcnameidorzero read-only
The assigned 'NWWN' for this Virtual Device. The agent assigns this value when the configuration is committed.
                         cFcSdvVdAssignedFcId 1.3.6.1.4.1.9.9.593.1.1.1.1.7 fcaddressid read-only
The assigned 'FCID' of this Virtual Device. The agent assigns this value when the configuration is committed and the Real Device that this Virtual Device virtualizes (corresponding entry in the cFcSdvVirtRealDevMapTable where the value of cFcSdvVirtRealDevMapType is 'primaryDevMap') is on-line.
                         cFcSdvVdRealDevMapList 1.3.6.1.4.1.9.9.593.1.1.1.1.8 fclist read-only
The set of Real Device(s) that this Virtual Device virtualizes in this VSAN. The Real Devices are identified by the instance identifier object cFcSdvVirtRealDevMapIndex in the cFcSdvVirtRealDevMapTable. If a particular bit has a value of '1', then the corresponding Real Device (indicated by the position of bit and represented by cFcSdvVirtRealDevMapIndex) is mapped for virtualization for this Virtual Device. The bit value of '0' indicates that particular Real Device is not mapped for virtualization in this Virtual Device. This object is read-only; changes to its value are made by the agent as and when associated entries are created/deleted in the cFcSdvVirtRealDevMapTable. The default value is the zero length string.
                         cFcSdvVdStorageType 1.3.6.1.4.1.9.9.593.1.1.1.1.9 storagetype read-only
The storage type for this conceptual row. Conceptual rows having the value of this object as 'readOnly' can not be deleted by the user by setting the value of cFcSdvVdRowStatus to 'destroy'.
                         cFcSdvVdRowStatus 1.3.6.1.4.1.9.9.593.1.1.1.1.10 rowstatus read-only
The status of this conceptual row. The value of this object can not be set to 'active' unless the value of the corresponding instance of cFcSdvVdName is unique across all the VSANs in the system. Once value of this object is set to 'active', the value of the corresponding instance of cFcSdvVdName can not be modified. Once value of this object is set to 'active', the setting the values of the corresponding instance of cFcSdvVdVirtDomain and cFcSdvVdFcId will take effect and results into FCID/Domain allocation only after the Virtual Device comes on-line the next time.
                 cFcSdvVirtRealDevMapTable 1.3.6.1.4.1.9.9.593.1.1.2 no-access
This table provides list of Real Devices which are mapped to Virtual Device for Device Virtualization.
                     cFcSdvVirtRealDevMapEntry 1.3.6.1.4.1.9.9.593.1.1.2.1 no-access
An entry (conceptual row) in the cFcSdvVirtRealDevMapTable. Each entry represents a Real Device(s) mapped to a Virtual Device for virtualization within the scope of a VSAN. When the Real Device represented by an entry in this table whose instance of cFcSdvVirtRealDevMapType is 'primaryDevMap' comes on-line, the corresponding Virtual Device that virtualizes such Real Device also comes on-line and registers itself as one of logged-in devices in the FCNS database - an entry into 'fcNameServerTable' of CISCO-NS-MIB and SW_RSCN and RSCN are appropriately generated.
                         cFcSdvVirtRealDevMapIndex 1.3.6.1.4.1.9.9.593.1.1.2.1.1 unsigned32 no-access
An arbitrary index number to identify a Real Device(s) mapped to a Virtual Device. This instance value uniquely identifies a Real Device mapping entry for Virtual Device within the context of a particular VSAN and in the agent where an instance of this MIB instrumentation is running. When an entry is successfully created in this table, the agent uses this instance identifier value to update the value of cFcSdvVdRealDevMapList of cFcSdvVirtDeviceTable to indicate that this Real Device(s) entry is mapped for virtualization in a Virtual Device (represented by cFcSdvVdIndex).
                         cFcSdvVirtRealDeviceIdType 1.3.6.1.4.1.9.9.593.1.1.2.1.2 ciscofcsdvdevidtype read-only
The type of Real Device identifier represented by the value of the corresponding instance of 'cFcSdvVirtRealDeviceId' that this Virtual Device virtualizes to.
                         cFcSdvVirtRealDeviceId 1.3.6.1.4.1.9.9.593.1.1.2.1.3 ciscofcsdvdevid read-only
This object represents a Real Device(s) identifier that this Virtual Device virtualizes. A Real Device element represented by the combination of value of this object preceded by the value of corresponding instance of cFcSdvVirtRealDeviceIdType should be unique for a Virtual Device within a VSAN. When the value of the corresponding instance of cFcSdvVirtRealDeviceIdType is 'singleDevDevAlias', the value of this object is the name of a Device Alias pointing to a specific entry identified by the instance identifier value of 'cfdaConfigDeviceAlias' of cfdaConfigTable in the CISCO-FC-DEVICE-ALIAS-MIB.
                         cFcSdvVirtRealDevMapType 1.3.6.1.4.1.9.9.593.1.1.2.1.4 ciscofcsdvrealdevmaptype read-only
The mapping association type of the Real Device(s) (Initiator/Target). There can only be one instance of this object within a context of a vsan, virtual device and MapID that can be marked as 'primaryDevMap'. The rest of the instances can only be 'secondaryDevMap'.
                         cFcSdvVirtRealDevMapStorageType 1.3.6.1.4.1.9.9.593.1.1.2.1.5 storagetype read-only
The storage type for this conceptual row. Conceptual rows having a value of 'readOnly' need not allow write-access to any of the columnar objects of the same row.
                         cFcSdvVirtRealDevMapRowStatus 1.3.6.1.4.1.9.9.593.1.1.2.1.6 rowstatus read-only
The status of this conceptual row. The value of this object can not be set to 'active' unless the value of the corresponding instance of cFcSdvVirtRealDeviceIdType and cFcSdvVirtRealDeviceId is unique for a virtual device within a VSAN. Once value of this object is set to 'active', the values of the corresponding instance of cFcSdvVirtRealDeviceIdType and cFcSdvVirtRealDeviceId can not be modified.
         ciscoFcSdvMIBConform 1.3.6.1.4.1.9.9.593.2
             ciscoFcSdvMIBCompliances 1.3.6.1.4.1.9.9.593.2.1
                 ciscoFcSdvMIBCompliance 1.3.6.1.4.1.9.9.593.2.1.1
The compliance statement for entities which implement CISCO-FC-SDV-MIB.
             ciscoFcSdvMIBGroups 1.3.6.1.4.1.9.9.593.2.2
                 ciscoFcSdvConfigGroup 1.3.6.1.4.1.9.9.593.2.2.1
A collection of objects for FC SDV configuration.