HP MSA 1040 HP MSA 1040 SMU Reference Guide (762784-001, March 2014) - Page 181

Power-On Self Test, Partner Firmware - iscsi direct connect

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metadata MIB mount network port network time protocol NTP object identifier OID orphan data Partner Firmware Update PCBA PFU PGR PHY physical layer point-to-point POST Power-On Self Test power supply unit primary volume proxy volume PSU recovery remote replication remote syslog support replication image replication set Data in the first sectors of a disk drive that stores all disk-, vdisk-, and volume-specific information including vdisk membership or spare identification, vdisk ownership, volumes and snapshots in the vdisk, host mapping of volumes, and results of the last media scrub. Management Information Base. A database used for managing the entities in SNMP. To enable access to a volume from a host OS. Synonyms for this action include present and map. See also host, map/mapping, and volume. The Ethernet port on a controller module through which its Management Controller is connected to the network. See NTP. Network time protocol. See OID. Object Identifier. In SNMP, an identifier for an object in a MIB. See unwritable cache data. See PFU. Printed circuit board assembly. Partner firmware update. The automatic update of the partner controller when the user updates firmware on one controller. Persistent group reservations. One of two hardware components that form a physical connection between devices in a SAS network that enables transmission of data. See PHY. Fibre Channel Point-to-Point topology, where two ports are directly connected. Power-on self test. Tests that run immediately after a device is powered on. See POST. See PSU. The volume that is the source of data in a replication set and that can be mapped to hosts. For disaster recovery purposes, if the primary volume goes offline, a secondary volume can be designated as the primary volume. The primary volume exists in a primary vdisk in the primary (or local) storage system. A virtual volume in the local system that represents a volume in a remote system. Proxy volumes are used internally by the controllers to perform actions such as transferring replication data. Power supply unit. The power supply FRU. In an active-active configuration, recovery is the act of returning ownership of controller resources to a controller (which was offline) from its partner controller. The resources include volumes, cache data, host ID information, and LUNs and WWNs. See also failover. Asynchronous (batch) replication of block-level data from a volume in a primary system to a volume in one or more secondary systems by creating a replication snapshot of the primary volume and copying the snapshot data to the secondary systems via Fibre Channel or iSCSI links. The capability to perform remote replication is a licensed feature (Remote Snap). See syslog. A conceptual term for replication snapshots that have the same image ID in primary and secondary systems. These synchronized snapshots contain identical data and can be used for disaster recovery. Associated primary and secondary volumes that are enabled for replication and that typically reside in two physically or geographically separate storage systems. See primary volume and secondary volume. Glossary 181

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Glossary
181
metadata
Data in the first sectors of a disk drive that stores all disk-, vdisk-, and volume-specific
information including vdisk membership or spare identification, vdisk ownership, volumes
and snapshots in the vdisk, host mapping of volumes, and results of the last media scrub.
MIB
Management Information Base. A database used for managing the entities in SNMP.
mount
To enable access to a volume from a host OS. Synonyms for this action include present and
map.
See also
host, map/mapping, and volume.
network port
The Ethernet port on a controller module through which its Management Controller is
connected to the network.
network time protocol
See
NTP.
NTP
Network time protocol.
object identifier
See
OID.
OID
Object Identifier. In SNMP, an identifier for an object in a MIB.
orphan data
See
unwritable cache data.
Partner Firmware
Update
See
PFU.
PCBA
Printed circuit board assembly.
PFU
Partner firmware update. The automatic update of the partner controller when the user
updates firmware on one controller.
PGR
Persistent group reservations.
PHY
One of two hardware components that form a physical connection between devices in a
SAS network that enables transmission of data.
physical layer
See
PHY.
point-to-point
Fibre Channel Point-to-Point topology, where two ports are directly connected.
POST
Power-on self test. Tests that run immediately after a device is powered on.
Power-On Self Test
See
POST.
power supply unit
See
PSU.
primary volume
The volume that is the source of data in a replication set and that can be mapped to hosts.
For disaster recovery purposes, if the primary volume goes offline, a secondary volume can
be designated as the primary volume. The primary volume exists in a primary vdisk in the
primary (or local) storage system.
proxy volume
A virtual volume in the local system that represents a volume in a remote system. Proxy
volumes are used internally by the controllers to perform actions such as transferring
replication data.
PSU
Power supply unit. The power supply FRU.
recovery
In an active-active configuration, recovery is the act of returning ownership of controller
resources to a controller (which was offline) from its partner controller. The resources include
volumes, cache data, host ID information, and LUNs and WWNs.
See also
failover.
remote replication
Asynchronous (batch) replication of block-level data from a volume in a primary system to a
volume in one or more secondary systems by creating a replication snapshot of the primary
volume and copying the snapshot data to the secondary systems via Fibre Channel or iSCSI
links. The capability to perform remote replication is a licensed feature (Remote Snap).
remote syslog support
See
syslog.
replication image
A conceptual term for replication snapshots that have the same image ID in primary and
secondary systems. These synchronized snapshots contain identical data and can be used
for disaster recovery.
replication set
Associated primary and secondary volumes that are enabled for replication and that
typically reside in two physically or geographically separate storage systems.
See
primary
volume and secondary volume.