- Notes, cautions, and warnings
- CLI Command Updates
- About The Command Line Interface
- About The Script Commands
- Configuring A Storage Array
- Using The Snapshot
Feature
- Before Using Snapshot CLI Commands
- Snapshot Images And Groups
- Snapshot Groups And Snapshot Consistency Groups
- Understanding Snapshot Repositories
- Consistency Groups And Remote Replication
- Creating Snapshot
Images
- Creating A Snapshot Image
- Deleting A Snapshot Image
- Creating A Consistency Group Snapshot Virtual Disk
- Creating A Consistency Group Snapshot Image
- Deleting A Snapshot Virtual Disk Or A Consistency Group Snapshot Virtual Disk
- Deleting A Consistency Group Snapshot Image
- Scheduling Snapshot Images
- Starting, Stopping And Resuming A Snapshot Rollback
- Creating A Snapshot Group
- Deleting A Snapshot Group
- Reviving A Snapshot Group
- Creating A Consistency Group
- Deleting A Consistency Group
- Setting Consistency Group Attributes
- Adding A Member Virtual Disk To A Consistency Group
- Removing A Member Virtual Disk From A Consistency Group
- Changing The Pre-read Consistency Check Setting Of An Overall Repository Virtual Disk
- Setting Snapshot Virtual Disk Repository Virtual Disk Capacity
- Setting Snapshot Group Repository Virtual Disk Capacity
- Reviving Disk Groups, Physical Disks, Snapshot Groups, And Snapshot Virtual Disks
- Using The Snapshot
(Legacy) Feature
- Using Host Servers To Create An Initial Snapshot Virtual Disk
- Creating A Snapshot
Virtual Disk
- Enabling The Snapshot Virtual Disk Feature
- Creating A Snapshot Virtual Disk With User-Assigned Physical Disks
- Preparing Host Servers To Create An Initial Snapshot Virtual Disk
- Creating The Initial Snapshot Virtual Disk
- Creating A Snapshot Virtual Disk With Software-Assigned Physical Disks
- Creating A Snapshot Virtual Disk By Specifying A Number Of Physical Disks
- User-Defined Parameters
- Names Of Snapshot Virtual Disks And Repository Virtual Disks
- Changing Snapshot Virtual Disk Settings
- Stopping And Deleting A Snapshot Virtual Disk
- Using The Virtual
Disk Copy Feature
- About Virtual Disk Copy
- Virtual Disk Copy Types
- Creating A Virtual Disk Copy
- Viewing Virtual Disk Copy Properties
- Changing Virtual Disk Copy Settings
- Recopying A Virtual Disk
- Stopping A Virtual Disk Copy
- Removing Copy Pairs
- Interaction With Other Features
- About Snapshot (Legacy) Premium Features With Virtual Disk Copy
- Using The Remote
Replication Premium Feature
- How Remote Replication Works
- Replication Pairs And Replication Repositories
- Differences Between Remote Replication And Remote Replication (Legacy) Features
- Link Interruptions Or Secondary Virtual Disk Errors
- Resynchronization
- Remote Replication Group
- Previous Users Of Remote Replication (Legacy) Premium Feature
- Remote Replication Requirements And Restrictions
- Primary And Secondary Virtual Disks
- Setting Up Remote Replication
- Enabling The Remote Replication Premium Feature
- Activating The Remote Replication Premium Feature
- Creating A Remote Replication Group
- Adding Primary Virtual Disk To Remote Replication Group
- Changing Remote Replication Group Settings
- Adding Secondary Virtual Disk To Remote Replication Group
- Suspending A Remote Replication Group
- Deleting A Remote Replication Group
- Removing A Virtual Disk Or Repository Virtual Disk From A Remote Replication Group
- Disabling The Remote Replication Premium Feature
- Deactivating The Remote Replication Premium Feature
- Interaction With Other Premium Features
- Standard Remote Replication Commands
- Using The Remote
Replication (Legacy) Premium Feature
- How Remote Replication (Legacy) Works
- Creating A Remote Replicated Pair
- Changing Remote Replication (Legacy) Settings
- Suspending And Resuming A Replication Relationship
- Removing A Replication Relationship
- Deleting A Primary Virtual Disk Or A Secondary Virtual Disk
- Disabling The Remote Replication (Legacy) Premium Feature
- Deactivating The Remote Replication (Legacy) Premium Feature
- Interaction With Other Premium Features
- Maintaining A Storage Array
- Script Commands
- Commands Listed Alphabetically
- Activate Remote Replication Feature
- Activate Storage Array Firmware
- Add Member To Consistency Group
- Add Physical Disks To SSD Cache
- Add Virtual Disk To Remote Replication Group
- Autoconfigure Storage Array
- Autoconfigure Storage Array Hot Spares
- Blink SSD Cache
- Cancel Remote Replication Group Role Reversal
- Change SSD Cache Application Type
- Check Remote Replication Status
- Check Remote Replication Group Consistency
- Check Repository Consistency
- Check Storage Array Connectivity
- Check Virtual Disk Consistency
- Clear Physical Disk Port Statistics
- Clear Remote Replication Fault
- Clear Storage Array Configuration
- Set Storage Array Controller Health Image
- Clear Storage Array Event Log
- Clear Storage Array Firmware Pending Area
- Clear Storage Array Recovery Mode
- Clear Virtual Disk Reservations
- Clear Virtual Disk Unreadable Sectors
- Configure Automatic Support Bundle Collection
- Convert Snapshot (Legacy) Virtual Disk To Snapshot Group
- Create Consistency Group
- Create Consistency Group Snapshot Image
- Create Consistency Group Snapshot Virtual Disk
- Create Consistency Group Snapshot Virtual Disk Mapping
- Create Disk Group
- Create Disk Pool
- Create Host
- Create Host Group
- Create Host Port
- Create iSCSI Initiator
- Create RAID Virtual Disk (Automatic Physical Disk Select)
- Create RAID Virtual Disk (Free Extent Base Select)
- Create RAID Virtual Disk (Manual Physical Disk Select)
- Create RAID Virtual Disk On A Disk Pool
- Create Read-Only Snapshot Virtual Disk
- Create Remote Replication
- Create Remote Replication Group
- Create Snapshot Group
- Create Snapshot Image
- Create Snapshot (Legacy) Virtual Disk
- Create Snapshot Virtual Disk
- Create SSD Cache
- Create Storage Array Security Key
- Create Virtual Disk Copy
- Deactivate Remote Replication (Legacy)
- Delete Consistency Group
- Delete Consistency Group Snapshot Image
- Delete Consistency Group Snapshot Virtual Disk
- Delete Disk Group
- Delete Disk Pool
- Delete Host
- Delete Host Group
- Delete Host Port
- Delete iSCSI Initiator
- Delete Snapshot Group
- Delete Snapshot Image
- Delete Snapshot (Legacy) Virtual Disk
- Delete Snapshot Virtual Disk
- Delete Snapshot Virtual Disk or Delete Snapshot Virtual Disk Schedule
- Delete SSD Cache
- Delete Virtual Disk
- Delete Virtual Disk On A Disk Pool
- Diagnose RAID Controller Module
- Diagnose RAID Controller Module iSCSI Host Cable
- Diagnose Remote Replication
- Disable Storage Array Feature
- Display Automatic Support Bundle Collection Configuration
- Display Support Bundle Collection Schedule
- Download Enclosure Management Module Firmware
- Download Physical Disk Firmware
- Download Storage Array Firmware/NVSRAM
- Download Storage Array Physical Disk Firmware
- Download Storage Array NVSRAM
- Enable Disk Group Security
- Enable Disk Pool Security
- Enable or Disable ODX
- Enable Or Disable SSD Cache For A Virtual Disk
- Enable or Disable VAAI
- Enable RAID Controller Module Data Transfer
- Enable Storage Array Feature
- Establish Remote Replicated Pair
- Increase Virtual Disk Capacity On A Disk Pool
- Load Storage Array DBM Database
- Modify Disk Pool
- Recopy Virtual Disk Copy
- Recover RAID Virtual Disk
- Re-Create Remote Replication Repository Virtual Disk
- Re-Create Snapshot
- Reduce Disk Pool Capacity
- Register SNMP Community
- Register SNMP Trap Destination
- Reinitialize Thin Virtual Disk
- Remove Incomplete Remote Replicated Pair From Remote Replication Group
- Remove Member Virtual Disk From Consistency Group
- Remove Physical Disks From SSD Cache
- Remove Remote Replication
- Remove Virtual Disk Copy
- Remove Virtual Disk From Remote Replication Group
- Remove Virtual Disk LUN Mapping
- Rename A Snapshot Virtual Disk
- Rename SSD Cache
- Repair Virtual Disk Consistency
- Replace Physical Disk
- Reset iSCSI IP Address
- Reset Physical Disk
- Reset RAID Controller Module
- Reset Remote Replication Group Statistics
- Reset Storage Array Battery Install Date
- Reset Storage Array iSCSI Baseline
- Reset Storage Array SAS PHY Baseline
- Reset Storage Array Virtual Disk Distribution
- Resume Consistency Group Snapshot Virtual Disk
- Resume Remote Replication
- Resume Remote Replication Group
- Resume Snapshot Image Rollback
- Resume Snapshot (Legacy) Rollback
- Resume Snapshot Virtual Disk
- Resume SSD Cache
- Revive Disk Group
- Revive Disk Pool
- Revive Physical Disk
- Revive Snapshot Group
- Revive Snapshot Virtual Disk
- Save Enclosure Log Data
- Save Input Output RAID Controller Module (IOC) Dump
- Save Physical Disk Log
- Save RAID Controller Module NVSRAM
- Save Remote Replication Group Statistics
- Save Storage Array Configuration
- Save Storage Array Controller Health Image
- Save Storage Array DBM Database
- Save Storage Array DBM Validator Information File
- Save Storage Array Events
- Save Storage Array iSCSI Statistics
- Save Storage Array Performance Statistics
- Save Storage Array SAS PHY Counts
- Save Storage Array State Capture
- Save Storage Array Support Data
- Schedule Support Bundle Collection Configuration
- Scheduling Snapshots
- Set Consistency Group Attributes
- Set Consistency Group Snapshot Virtual Disk
- Set Disk Group
- Set Disk Group Forced State
- Set Disk Pool
- Set Disk Pool Complete
- Set Enclosure Attribute
- Set Enclosure Identification
- Set Event Alert Filtering
- Set Foreign Physical Disk to Native
- Set Host
- Set Host Channel
- Set Host Group
- Set Host Port
- Set iSCSI Initiator
- Set iSCSI Target Properties
- Set Physical Disk Channel Status
- Set Physical Disk Hot Spare
- Set Physical Disk State
- Set RAID Controller Module
- Set Read-Only Snapshot Virtual Disk To A Read/Write Virtual Disk
- Set Remote Replication
- Set Remote Replication Group
- Set Session
- Set Snapshot Group Attributes
- Set Snapshot Group Media Scan
- Set Snapshot Group Repository Virtual Disk Capacity
- Set Snapshot Group Schedule
- Set Snapshot (Legacy) Virtual Disk
- Set Snapshot Virtual Disk Media Scan
- Set Snapshot Virtual Disk Repository Virtual Disk Capacity
- Set Storage Array
- Set Storage Array Enclosure Positions
- Set Storage Array ICMP Response
- Set Storage Array iSNS Server IPv4 Address
- Set Storage Array iSNS Server IPv6 Address
- Set Storage Array iSNS Server Listening Port
- Set Storage Array Learn Cycle
- Set Storage Array Consistency Mode
- Set Storage Array Security Key
- Set Storage Array Time
- Set Storage Array Unnamed Discovery Session
- Set Thin Virtual Disk Attributes
- Set Virtual Disk
- Set Virtual Disk Attributes For A Disk Pool
- Set Virtual Disk Copy
- Set Virtual Disk Mapping
- Show Blocked Events
- Show Consistency Group Snapshot Image
- Show Current iSCSI Sessions
- Show Disk Group
- Show Disk Group Export Dependencies
- Show Disk Group Import Dependencies
- Show Disk Pool
- Show Host Ports
- Show Physical Disk
- Show Physical Disk Channel Statistics
- Show Physical Disk Download Progress
- Show RAID Controller Module
- Show RAID Controller Module NVSRAM
- Show Remote Replication Group
- Show Remote Replication Group Synchronization Progress
- Show Remote Replication Virtual Disk Candidates
- Show Remote Replication Virtual Disk Synchronization Progress
- Show SNMP Communities
- Show SNMP MIB II System Group Variables
- Show Snapshot Group
- Show Snapshot Image
- Show Snapshot Virtual Disks
- Show SSD Cache
- Show SSD Cache Statistics
- Show Storage Array
- Show Storage Array Auto Configure
- Show Storage Array Controller Health Image
- Show Storage Array DBM Database
- Show Storage Array Host Topology
- Show Storage Array LUN Mappings
- Show Storage Array Negotiation Defaults
- Show Storage Array ODX Setting
- Show Storage Array Power Information
- Show Storage Array Unconfigured iSCSI Initiators
- Show Storage Array Unreadable Sectors
- Show String
- Show Thin Virtual Disk
- Show Virtual Disk
- Show Virtual Disk Action Progress
- Show Virtual Disk Copy
- Show Virtual Disk Copy Source Candidates
- Show Virtual Disk Copy Target Candidates
- Show Virtual Disk Performance Statistics
- Show Virtual Disk Reservations
- Start Configuration Database Diagnostic
- Start Consistency Group Snapshot Rollback
- Start Disk Group Blink
- Start Disk Group Defragment
- Start Disk Group Export
- Start Disk Group Import
- Start Disk Pool Locate
- Start Enclosure Blink
- Start Input Output RAID Controller Module (IOC) Dump
- Start iSCSI DHCP Refresh
- Start Physical Disk Blink
- Start Physical Disk Channel Blink
- Start Physical Disk Initialize
- Start Physical Disk Reconstruction
- Start Remote Replication Synchronization
- Start Remote Replication (Legacy) Synchronization
- Start SED Secure Physical Disk Erase
- Start Snapshot Rollback
- Start Snapshot Image Rollback
- Start SSD Cache Performance Modeling
- Start Storage Array Blink
- Start Storage Array Configuration Database Diagnostic
- Start Storage Array iSCSI Refresh
- Start Virtual Disk Initialization
- Stop Configuration Database Diagnostic
- Stop Consistency Group Snapshot Rollback
- Stop Consistency Group Snapshot Virtual Disk
- Stop Disk Group Blink
- Stop Disk Pool Locate
- Stop Enclosure Blink
- Stop Pending Snapshot Images On Consistency Group
- Stop Physical Disk Blink
- Stop Physical Disk Channel Blink
- Stop Physical Disk Replace
- Stop Snapshot Group Image
- Stop Snapshot Group Pending Snapshot Images
- Stop Snapshot (Legacy)
- Stop Snapshot (Legacy) Rollback
- Stop Snapshot Rollback
- Stop Snapshot Image Rollback
- Stop Snapshot Virtual Disk
- Stop SSD Cache Performance Modeling
- Stop Storage Array Blink
- Stop Storage Array Configuration Database Diagnostic
- Stop Storage Array iSCSI Session
- Stop Storage Array Physical Disk Firmware Download
- Stop Virtual Disk Copy
- Suspend Remote Replication
- Suspend Remote Replication Group
- Suspend SSD Cache
- Test Remote Replication Group Connectivity
- Test SNMP Trap Destination
- Unregister SNMP Community
- Unregister SNMP Trap Destination
- Update SNMP Community
- Update SNMP MIB II System Group Variables
- Update SNMP Trap Destination
- Validate Storage Array Security Key
- Sample Script Files
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Dell PowerVault MD 32XX/36XX Series Storage Arrays CLI Guide
Using The Snapshot Feature
The following
types of virtual disk snapshot premium features are supported on the
MD storage array:
- Snapshot Virtual Disks using multiple point-in-time (PiT) groups
- Snapshot Virtual Disks (Legacy) using a separate repository for each snapshot
- NOTE: This section describes the Snapshot Virtual Disk using PiT groups. If you are using the Snapshot Virtual Disk (Legacy) premium feature, see Using The Snapshot (Legacy) Feature.
A snapshot image is a logical image of the content of an associated base virtual disk created at a specific point-in-time, often known as a restore point. This type of image is not directly readable or writable to a host since the snapshot image is used to save data from the base virtual disk only. To allow the host to access a copy of the data in a snapshot image, you must create a snapshot virtual disk. This snapshot virtual disk contains its own repository, which is used to save subsequent modifications made by the host application to the base virtual disk without affecting the referenced snapshot image.
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