Administrator Guide
Table Of Contents
- Dell EMC PowerVault ME4 Series Storage System Administrator’s Guide
- Contents
- Getting started
- New user setup
- Configure and provision a new storage system
- Using the PowerVault Manager interface
- System concepts
- About virtual and linear storage
- About disk groups
- About RAID levels
- About ADAPT
- About SSDs
- About SSD read cache
- About spares
- About pools
- About volumes and volume groups
- About volume cache options
- About thin provisioning
- About automated tiered storage
- About initiators, hosts, and host groups
- About volume mapping
- About operating with a single controller
- About snapshots
- About copying volumes
- About reconstruction
- About quick rebuild
- About performance statistics
- About firmware updates
- About managed logs
- About SupportAssist
- About CloudIQ
- About configuring DNS settings
- About replicating virtual volumes
- About the Full Disk Encryption feature
- About data protection with a single controller
- Working in the Home topic
- Guided setup
- Provisioning disk groups and pools
- Attaching hosts and volumes in the Host Setup wizard
- Overall system status
- Configuring system settings
- Managing scheduled tasks
- Working in the System topic
- Viewing system components
- Systems Settings panel
- Resetting host ports
- Rescanning disk channels
- Clearing disk metadata
- Updating firmware
- Changing FDE settings
- Configuring advanced settings
- Changing disk settings
- Changing system cache settings
- Configuring partner firmware update
- Configuring system utilities
- Using maintenance mode
- Restarting or shutting down controllers
- Working in the Hosts topic
- Working in the Pools topic
- Working in the Volumes topic
- Viewing volumes
- Creating a virtual volume
- Creating a linear volume
- Modifying a volume
- Copying a volume or snapshot
- Abort a volume copy
- Adding volumes to a volume group
- Removing volumes from a volume group
- Renaming a volume group
- Remove volume groups
- Rolling back a virtual volume
- Deleting volumes and snapshots
- Creating snapshots
- Resetting a snapshot
- Creating a replication set from the Volumes topic
- Initiating or scheduling a replication from the Volumes topic
- Manage replication schedules from the Volumes topic
- Working in the Mappings topic
- Working in the Replications topic
- About replicating virtual volumes in the Replications topic
- Replication prerequisites
- Replication process
- Creating a virtual pool for replication
- Setting up snapshot space management in the context of replication
- Replication and empty allocated pages
- Disaster recovery
- Accessing the data while keeping the replication set intact
- Accessing the data from the backup system as if it were the primary system
- Disaster recovery procedures
- Viewing replications
- Querying a peer connection
- Creating a peer connection
- Modifying a peer connection
- Deleting a peer connection
- Creating a replication set from the Replications topic
- Modifying a replication set
- Deleting a replication set
- Initiating or scheduling a replication from the Replications topic
- Stopping a replication
- Suspending a replication
- Resuming a replication
- Manage replication schedules from the Replications topic
- About replicating virtual volumes in the Replications topic
- Working in the Performance topic
- Working in the banner and footer
- Banner and footer overview
- Viewing system information
- Viewing certificate information
- Viewing connection information
- Viewing system date and time information
- Viewing user information
- Viewing health information
- Viewing event information
- Viewing capacity information
- Viewing host information
- Viewing tier information
- Viewing recent system activity
- Other management interfaces
- SNMP reference
- Using FTP and SFTP
- Using SMI-S
- Using SLP
- Administering a log-collection system
- Best practices
- System configuration limits
- Glossary of terms
System configuration limits
The following table lists the system configuration limits for ME4 Series storage systems:
Table 42. ME4 Series system configuration limits
Feature Value
Enclosures and disks
Maximum enclosures and disks per system 2U12 Supported configurations:
● 2U12 controller enclosure + nine 2U12 expansion enclosures =
120
● 2U12 controller enclosure + nine 2U24 expansion enclosures
= 228
● 2U12 controller enclosure + three 5U84 expansion enclosures
= 264
● 2U24 controller enclosure + nine 2U12 expansion enclosures
= 132
● 2U24 controller enclosure + nine 2U24 expansion enclosures
= 240
● 2U24 controller enclosure + three 5U84 expansion enclosures
= 276
● 5U84 controller enclosure + three 5U84 expansion enclosures
= 336
Disk groups and pools
Maximum virtual pools per controller module 1
Maximum usable virtual pool size per controller module 512 TiB with the large pools feature disabled in the CLI; 1 PB with
the large pools feature enabled in the CLI
Maximum disk-group size Unlimited (non-ADAPT); 1 PB (ADAPT)
Maximum disk groups per pool 16
Maximum virtual disk groups per controller module 16
Maximum linear disk groups per controller module 32
Minimum/maximum disks per virtual disk group
● NRAID (non-RAID): 1/1 (read cache only)
● RAID 0: 2/2 (read cache only)
● RAID 1: 2/2
● RAID 3: Not supported
● RAID 5: 3/16
● RAID 6: 4/16
● RAID 10: 4/16
● RAID 50: Not supported
● ADAPT: 12/128
Minimum/maximum disks per linear disk group
● NRAID (non-RAID): 1/1
● RAID 0: 2/16
● RAID 1: 2/2
● RAID 3: 3/16
● RAID 5: 3/16
● RAID 6: 4/16
● RAID 10: 4/16
● RAID 50: 6/32
D
System configuration limits 179