Enclosures and disks
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Maximum enclosures and disks per system 2U12
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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
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Disk groups and pools
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Maximum virtual pools per controller module
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1
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Maximum usable virtual pool size per controller module
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512 TiB with the large pools feature disabled in the CLI; 1 PB with the large pools feature enabled in the CLI
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Maximum disk-group size
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Unlimited (non-ADAPT); 1 PB (ADAPT)
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Maximum disk groups per pool
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16
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Maximum virtual disk groups per controller module
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16
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Maximum linear disk groups per controller module
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32
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Minimum/maximum disks per virtual disk group
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- 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
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Minimum/maximum disks per linear disk group
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- 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
- ADAPT:12/128
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Maximum dedicated spares per linear disk group
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4
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Maximum global spares per system
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64
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Maximum ADAPT groups per controller module
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4
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Maximum ADAPT single disk size
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64 TiB
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Maximum ADAPT disk group size
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1 PiB
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ADAPT stripe width
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8+2
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Volumes, initiators, hosts, and mapping
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Maximum virtual volumes per system
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1024
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Maximum linear volumes per system
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512 (recommended)
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Maximum volume size of a virtual volume
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128 TiB (approximately 140 TB)
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Maximum volume size of a linear volume
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Equal to the maximum size limit of the disk group
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Maximum mappable volumes (LUNs) per disk group
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128
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Maximum mappable virtual volumes (LUNs) per pool
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512
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Maximum mappable linear volumes (LUNs) per pool
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128
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Maximum mappable volumes (LUNs) per controller module
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512
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Maximum virtual volumes per pool
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1024 (512 base volumes and 512 snapshots)
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Maximum linear volumes per pool
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1024
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Maximum virtual volumes per volume group
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1024
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Maximum volume groups per controller module
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256
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Maximum volumes per replication volume group
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16
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Maximum volumes per host port
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1024 (Microsoft Windows limits access to 256)
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Maximum initiators per volume
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128
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Maximum initiators per host port
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1024
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Maximum initiators per controller module
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4096
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Maximum initiators per host
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128
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Maximum hosts per host group
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256
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Maximum host groups per system
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32
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Maximum commands per LUN (preferred path)
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4096
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Maximum queue depth per host port
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1024
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Maximum host-port link speed
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- 16 Gb FC with capable, qualified SFP+ transceiver
- 10 GbE iSCSI with capable, qualified SFP + transceiver (CNC only)
- 12 Gb SAS
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Supported FC/iSCSI module host-port configurations, per controller module
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- 4 ports FC
- 4 ports iSCSI
- 2 ports FC and 2 ports iSCSI
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Virtual volume snapshots
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Maximum snapshots per pool
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512
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Maximum base volumes per system
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1024
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Maximum base snapshots per snappable volume
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- 254 in the volume snapshot tree with the large pools feature disabled in the CLI
- 8 in the volume snap shot tree with the large pools feature enabled in the CLI
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Maximum mappable snapshots per system
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1024
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Virtual volume replication
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Maximum number of peer connections per system
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4
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Maximum number of replicated volumes per system
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32
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Maximum number of replication sets for a volume
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1
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Maximum number of volumes for a replicated volume group
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16, if no other volumes belong to a replication set
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Minimum replication frequency that can be scheduled
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1
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Embedded SMI-S provider
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Maximum mapping paths (where a path is a volume presented through a host port to an initiator)
NOTE:SMI-S is not supported for a system with 5U84 enclosures.
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250
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Miscellaneous
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Maximum SCSI reservations
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- Per controller module: 1024
- Per LUN: 1
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Maximum SCSI registrations for virtual storage
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- Per system: 32768
- Per LUN: 4096
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Maximum SCSI registrations for linear storage
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- Per system: 32768
- Per FC LUN: 128
- Per iSCSI LUN: 85–128 depending on IQN length
- Per SAS LUN: 128
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