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Dell PowerFlex v3.6.x CLI Reference Guide

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snapshot_volume

Creates a snapshot of one or more volumes.

When specifying more than one volume (a list), a consistency group is generated and the ID associated with it is displayed. The snapshots under the consistency group are taken simultaneously for all listed volumes, thus ensuring their consistency.

Secure snapshots, created using the --retention_period parameter, prohibit anyone from deleting the snapshot until the expiration time that is defined.

NOTE:The consistency group is for convenience purposes only. There are no protective measures to conserve the consistency group, and you can delete members from it.

Syntax

scli --snapshot_volume (--volume_id <ID>| --volume_name <NAME> | --volume_id_from_file <FILE> | --volume_name_from_file <FILE>) 
  [--snapshot_name <NAME> | --snapshot_name_from_file <FILE>] [--read_only] [--retention_period <PERIOD>] [--i_am_sure]

Parameters

--volume_id <ID>
Comma-separated list of Volume IDs. Omit the space after each comma.
--volume_name <NAME>
Comma-separated list of Volume names. Omit the space after each comma.
--volume_id_from_file <FILE>
File containing new, line-separated list of volume IDs
--volume_name_from_file <FILE>
File containing a new, line-separated list of volume names
--snapshot_name <NAME>
Comma-separated list of names to be associated with the created snapshots. The names in this list correspond to the names in the volume name or volume ID list. Omit the space after each comma.
--snapshot_name_from_file <FILE>
File containing a new, line-separated list of names to be associated with the created snapshots
--read_only
All mappings of the created volume will be limited to read-only access
--retention_period <PERIOD>
Use this parameter to create the snapshots as secure. The snapshots will not be editable or removable for the specified time period. To specify the time period, use m|h|D|W|M|Y respectively indicating minutes, hours, days, weeks, months, or years. Examples: 30m (thirty minutes), 5D (five days), 1M (one month, which equals 31 days)
--i_am_sure
Skip the safety questions for command execution. (For example: “This could damage the stored data. Are you sure?”)

Example

scli --mdm_ip 192.168.1.200 --snapshot_volume 
--volume_name vol_1 --snapshot_name snap_1 --retention_period 2Y

Snapshot names

Assign the snapshot a meaningful name. When a name has not been defined, the system may display default system-defined names that use the volume’s ID.

Assign snapshot names according to the following rules:

  1. Contains fewer than 32 characters
  2. Contains only alphanumeric and punctuation characters
  3. Is unique within the object type
NOTE:PowerFlex objects are assigned a unique ID that can be used to identify the object in CLI commands. You can retrieve the ID via a query or through the object’s property sheet in the PowerFlex GUI.

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