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Oracle® Secure Backup Reference
Release 10.1

Part Number B14236-03
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lssnap

Purpose

Use the lssnap command to list snapshots on NDMP hosts.

See Also:

"Snapshot Commands" for related commands

Prerequisites

You must have the right to query and display information about devices to use the lssnap command.

Syntax

lssnap::=

lssn•ap [ --short/-s | --long/-l ] [ --noheader/-H ] [ --reserve/-r ]
[ --host/-h hostname[,hostname]... ]
[ --fs/-f filesystem-name[,filesystem-name]... ]
[ --numberformat/-n numberformat ] [ snapshot-name ]...

Semantics

--short/-s

Displays snapshot data in short form. This option is the default.

--long/-l

Displays snapshot data in long form.

--noheader/-H

Suppresses columns headers when listing data.

--reserve/-r

Displays the reserved space.

--host/-h hostname ...

Specifies the NDMP host. If you do not specify a host name, then Oracle Secure Backup uses the value from the host variable.

--fs/-f filesystem-name

Specifies the file system of which the snapshot was taken.

--numberformat/-n numberformat

Specifies the format in which to display large numbers. Refer to "numberformat" for a description of the numberformat placeholder.

snapshot-name ...

Specifies the name of the snapshot to list.

Output

Table 2-18 describes the output of the lssnap command.

Table 2-18 lssnap Output

Label Indicates

File system

File system captured in the snapshot

Max snapshots

Maximum number of snapshots permitted on this volume

Reserved space

Total reserved space for all snapshots

% reserved space

Percentage of reserved space currently used by all snapshots

Snapshot

Name of the snapshot

Of

Name of the file system

Taken at

Date and time of the snapshot

Used %

Space consumed by this snapshot as a percentage of reserved disk space being used on the volume. This value is calculated by: snapshot size x 100% / reserved space.

Total %

Space consumed by this snapshot as a percentage of total disk space on the volume. This value is calculated by: snapshot size x 100% / total disk space in this volume.

Busy

Whether the snapshot is busy; values are yes and no

Dependency

Whether the snapshot has a dependency on another processing entity (such as snapmirror); values are yes and no


Example

Example 2-74 displays snapshots on the NDMP-accessed host br_filer. In this example, the lucy.0 snapshot has used 3% of the space allocated to snapshots on /vol/vol0 (3% of 44.8 GB) and 1% of the total disk space for the volume /vol/vol0 (1% of 104 GB).

Example 2-74 Displaying Snapshots

ob> lssnap --long --host br_filer
File system /vol/vol0:
    Max snapshots:          255
    Reserved space:           44.8 GB
    % reserved space:       30
    Snapshot:               lucy.0
        Of:                 /vol/vol0
        Taken at:           2005/03/28.20:52
        Used %:               3
        Total %:              1
        Busy:               no
        Dependency:         no
    Snapshot:               myhost_snap1
        Of:                 /vol/vol0
        Taken at:           2004/08/21.11:30
        Used %:              12
        Total %:              7
        Busy:               no
        Dependency:         no