HP P2000 HP P2000 G3 MSA System SMU Reference Guide - Page 97

Snapshot properties, Mapping properties, Serial Number. Snapshot serial number.

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Snapshot properties When you select the Snapshot component, the Properties for Snapshot table shows: • Vdisk Name. • Serial Number. Snapshot serial number. • Name. Snapshot name. • Creation Date/Time. • Status. • Status-Reason. • Source Volume. Name of the volume that the snapshot was taken of. • Snap-pool Name. • Snap Data. The total amount of data associated with the specific snapshot (data copied from a source volume to a snapshot and data written directly to a snapshot). • UniqueData. The amount of data that has been written to the snapshot since the last snapshot was taken. If the snapshot has not been written or is deleted, this value is zero bytes. • SharedData. The amount of data that is potentially shared with other snapshots and the associated amount of space that will be freed if the snapshot is deleted. This represents the amount of data written directly to the snapshot. It also includes data copied from the source volume to the storage area for the oldest snapshot, since that snapshot does not share data with any other snapshot. For a snapshot that is not the oldest, if the modified data is deleted or if it had never been written to, this value is zero bytes. • Priority. Retention priority for the snapshot, based on the snapshot attributes and the user-defined priority for the snapshot type. • User Priority. User-defined priority for the snapshot type. • Type. • Standard snapshot: Snapshot of a master volume that consumes a snapshot license. • Replication snapshot: For a primary or secondary volume, a snapshot that was created by a replication operation but is not a sync point. • Replication snapshot (Replicating): For a primary volume, a snapshot that is being replicated to a secondary system. • Replication snapshot (Current sync point): For a primary or secondary volume, the latest snapshot that is copy-complete on any secondary system in the replication set. • Replication snapshot (Common sync point): For a primary or secondary volume, the latest snapshot that is copy-complete on all secondary systems in the replication set. • Replication snapshot (Old Common sync point): For a primary or secondary volume, a common sync point that has been superseded by a new common sync point. • Replication snapshot (Only sync point): For a primary or secondary volume, the only snapshot that is copy-complete on any secondary system in the replication set. • Replication snapshot (Queued): For a primary volume, a snapshot associated with a replication operation that is waiting for a previous replication operation to complete. • Replication snapshot (Awaiting replicate): For a primary volume, a snapshot that is waiting to be replicated to a secondary system. Mapping properties When you select the Maps component, the Maps for Volume table shows: • Type. Explicit or Default. Settings for an explicit mapping override the default mapping. • Host ID. WWPN or IQN. • Name. Host name. • Ports. Controller host ports through which the volume is mapped to the host. • LUN. Volume identifier presented to the host. • Access. Volume access type: read-write, read-only, no-access (masked), or not-mapped. HP P2000 G3 MSA System SMU Reference Guide 97

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HP P2000 G3 MSA System SMU Reference Guide
97
Snapshot properties
When you select the Snapshot component, the Properties for Snapshot table shows:
•
Vdisk Name.
•
Serial Number. Snapshot serial number.
•
Name. Snapshot name.
•
Creation Date/Time.
•
Status.
•
Status-Reason.
•
Source Volume. Name of the volume that the snapshot was taken of.
•
Snap-pool Name.
•
Snap Data. The total amount of data associated with the specific snapshot (data copied from a source
volume to a snapshot and data written directly to a snapshot).
•
UniqueData. The amount of data that has been written to the snapshot since the last snapshot was
taken. If the snapshot has not been written or is deleted, this value is zero bytes.
•
SharedData. The amount of data that is potentially shared with other snapshots and the associated
amount of space that will be freed if the snapshot is deleted. This represents the amount of data written
directly to the snapshot. It also includes data copied from the source volume to the storage area for the
oldest snapshot, since that snapshot does not share data with any other snapshot. For a snapshot that
is not the oldest, if the modified data is deleted or if it had never been written to, this value is zero
bytes.
•
Priority. Retention priority for the snapshot, based on the snapshot attributes and the user-defined
priority for the snapshot type.
•
User Priority. User-defined priority for the snapshot type.
•
Type.
•
Standard snapshot: Snapshot of a master volume that consumes a snapshot license.
•
Replication snapshot:
For a primary or secondary volume, a snapshot that was created by a
replication operation but is not a sync point.
•
Replication snapshot (Replicating): For a primary volume, a snapshot that is being replicated to a
secondary system.
•
Replication snapshot (Current sync point): For a primary or secondary volume, the latest snapshot
that is copy-complete on any secondary system in the replication set.
•
Replication snapshot (Common sync point): For a primary or secondary volume, the latest snapshot
that is copy-complete on all secondary systems in the replication set.
•
Replication snapshot (Old Common sync point): For a primary or secondary volume, a common
sync point that has been superseded by a new common sync point.
•
Replication snapshot (Only sync point): For a primary or secondary volume, the only snapshot that
is copy-complete on any secondary system in the replication set.
•
Replication snapshot (Queued): For a primary volume, a snapshot associated with a replication
operation that is waiting for a previous replication operation to complete.
•
Replication snapshot (Awaiting replicate): For a primary volume, a snapshot that is waiting to be
replicated to a secondary system.
Mapping properties
When you select the Maps component, the Maps for
Volume
table shows:
•
Type. Explicit or Default. Settings for an explicit mapping override the default mapping.
•
Host ID. WWPN or IQN.
•
Name. Host name.
•
Ports. Controller host ports through which the volume is mapped to the host.
•
LUN. Volume identifier presented to the host.
•
Access. Volume access type: read-write, read-only, no-access (masked), or not-mapped.