Software Specifications

Maximum number of connected application servers

• Fibre Channel and IB ports: 2048
• iSCSI ports: 256

• Fibre Channel and IB ports: 4096
• iSCSI ports:
  • Versions earlier than V300R006C60: 256
  • V300R006C60 and later versions: 512

• Fibre Channel and IB ports: 8192
• iSCSI ports:
  • Versions earlier than V300R006C60: 256
  • V300R006C60 and later versions: 2048

Maximum number of hosts per host group

64

Maximum number of LUNs^a

4096

8192

16,384

65,536

Maximum number of LUN groups

2048

4096

8192

Maximum number of LUNs that can be mapped to a host

255

511

Minimum capacity of a LUN

512 KB

Maximum capacity of a LUN

256 TB

Maximum number of Fibre Channel initiators (WWN initiators)

2048

4096

8192

Maximum number of iSCSI initiators

256

512

2048

Maximum number of mapping views

2047

4095

8191

Maximum number of iSCSI connections per controller

512

• V300R006C50 and earlier versions: 512
• V300R006C60 and later versions: 1024

• V300R006C50 and earlier versions: 512
• V300R006C60 and later versions: 4096

Maximum number of iSCSI connections per port

• V300R006C50 and earlier versions: 128
• V300R006C60 and later versions: 256

• V300R006C50 and earlier versions: 128
• V300R006C60 and later versions: 512

Maximum number of Fibre Channel connections per controller

2048

4096

8192

Maximum number of Fibre Channel connections per port

2048

Maximum number of PE LUNs

64

Maximum number of VVol LUNs^a

4096

8192

16,384

65,536

Maximum number of disk domains

32

64

128

Maximum number of disks in a disk domain

500

750

1200

1500

3200 (2000 per engine)

Minimum number of disks in a disk domain per engine

4

Maximum number of storage pools

32

64

128

Maximum number of LUNs in a storage pool

4096

8192

16,384

16,384

65,536

RAID level

0, 1, 3, 5, 6, 10, 50

Maximum number of file systems

1024

The maximum number of clone file systems, file systems, LUNs, and writable LUN snapshots cannot exceed 4096.

2048

The maximum number of clone file systems, file systems, LUNs, and writable LUN snapshots cannot exceed 8192.

2048

The maximum number of clone file systems, file systems, LUNs, and writable LUN snapshots cannot exceed 16,384.

4096

The maximum number of clone file systems, file systems, LUNs, and writable LUN snapshots cannot exceed 16,384.

4096

The maximum number of clone file systems, file systems, LUNs, and writable LUN snapshots cannot exceed 65,536.

Minimum capacity of a file system

1 GB

Maximum capacity of a file system

16 PB

Maximum number of files per file system

2 billion

Maximum capacity of a file

256 TB

Maximum number of sub-directories and files per directory

30 million

Maximum number of SMB shares

12,000

Maximum number of NFS shares

10,000

Maximum number of CIFS and NFS connections per controller

11,000

16,000

21,000

26,000

31,000

Maximum number of FTP connections per controller

32

128

192

Maximum number of HTTP connections per controller

32

64

128

256

Maximum NDMP flows per controller

8

16

32

Maximum number of local users

1000

2000

2000

2000

4000

Maximum number of local user groups

20,000

50,000

50,000

50,000

70,000

Maximum number of users in a user group

80,000

150,000

150,000

150,000

250,000

Maximum file path length

4096 bytes

Maximum length of a single file name or directory name

1024 bytes

Maximum directory depth of a file system

256

Maximum number of files that can be opened at a time on a controller

100,000

150,000

200,000

300,000

400,000

Maximum number of logical ports per controller

64

128

256

Maximum number of VLANs per controller

64

128

256

a: Maximum total number of clone file systems, file systems, LUNs, and writable LUN snapshots, plus the number of PE LUNs and VVol LUNs.

HyperSnap

Maximum number of LUN snapshots

2048

4096

8192

32,768

Maximum number of read-only snapshots in a file system

32,000

64,000

128,000

Maximum number of source LUNs

1024

2048

4096

16384

Maximum number of snapshots for a source LUN

256

512

1024

Maximum number of read-only snapshots for a source file system

2048

Maximum number of LUNs that can be batch activated

64

512

8192

Minimum interval of periodic snapshots for a file system

1 minute

Recovery time of a file system snapshot

< 10 seconds

LUN copy

Maximum number of LUN copies

64

256

Maximum number of target LUNs for each source LUN

64

128

LUN clone

Maximum number of primary LUNs

128

256

1024

Maximum number of secondary LUNs

256

1024

2048

Maximum number of secondary LUNs in a clone group

8

Maximum number of consistent split pairs

64

512

File system clone

Maximum number of clone file systems

1024

The maximum number of clone file systems, file systems, LUNs, and writable LUN snapshots cannot exceed 4096.

2048

The maximum number of clone file systems, file systems, LUNs, and writable LUN snapshots cannot exceed 8192.

2048

The maximum number of clone file systems, file systems, LUNs, and writable LUN snapshots cannot exceed 16,384.

4096

The maximum number of clone file systems, file systems, LUNs, and writable LUN snapshots cannot exceed 16,384.

4096

The maximum number of clone file systems, file systems, LUNs, and writable LUN snapshots cannot exceed 65,536.

Maximum levels of cascading clones

8

HyperReplication

Maximum number of HyperReplication pairs (synchronous + asynchronous)^a

256

1024

2048

Maximum number of secondary LUNs in a pair

• Synchronous: 1
• Asynchronous: 2

Maximum number of secondary file systems in a pair

Asynchronous: 1

Maximum number of connected remote storage devices

64

Maximum number of HyperReplication consistency groups

64 (synchronous+asynchronous)

512 (synchronous+asynchronous)

Maximum number of pairs in a HyperReplication consistency group

64

512

SmartQoS

Maximum number of SmartQoS policies

512

• Versions earlier than V300R006C50: 1024
• V300R006C50 and later versions: 4096

4096

Maximum number of LUNs supported by a policy

64

Number of priority levels

3

SmartPartition

Maximum cache partitions for every two controllers

8

Minimum size of a cache partition

256 MB

Maximum size of a cache partition

2 GB

• 3 GB (24 GB memory)
• 4 GB (48 GB memory)
• 5 GB (64 GB memory)

• 4 GB (32 GB memory)
• 5 GB (64 GB memory)
• 5 GB (128 GB memory)

• 8 GB (64 GB memory)
• 10 GB (128 GB memory)
• 10 GB (256 GB memory)

20 GB

SmartTier

Maximum number of tiers

• SAN: 3 (SSD/SAS/NL-SAS)
• NAS: 2 (SSD/HDD, HDD including SAS and NL-SAS)

Migration granularity (configurable)

• SAN: 512 KB, 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, 32 MB, or 64 MB (4 MB by default)
• NAS: file size

Data migration speed

• SAN: High/Medium/Low
• NAS: automatically (unconfigurable)

SmartMotion

Granularity

64 MB

SmartThin

Maximum number of thin LUNs (same as the maximum number of thick LUNs)

4096

8192

16,384

65,536

Maximum capacity of a thin LUN

256 TB

Conversion between thin and thick LUNs

Supported (Implemented through LUN migration)

Granularity of a thin LUN

• When SmartDedupe&SmartCompression is not enabled, the value is fixed at 64 KB.
• When SmartDedupe&SmartCompression is enabled, the default value is 16 KB. The value can be set to 4 KB, 8 KB, 16 KB, 32 KB, or 64 KB on the CLI.

Space reclamation

Supported

SmartMigration (SAN)

Maximum number of LUNs that can be simultaneously migrated for each controller

8

Maximum number of LUNs for which migration can be configured at a time

512

1024

SmartMigration (NAS)^b

Maximum number of file systems that can be migrated simultaneously by each controller

32

64

Number of file systems for which migration can be configured at a time

64

128

256

SmartErase

Maximum number of LUNs whose data can be simultaneously destructed on each controller

8

16

SmartMulti-Tenant

Maximum number of tenants

63

127

127

255

255

Maximum number of tenant administrators

128

256

256

512

512

Maximum number of tenant administrators for a tenant

32

SmartVirtualization

Maximum number of external LUNs

256

2048

4096

Maximum number of external storage arrays

32

128

256

Maximum number of paths for each external LUN

8

32

Maximum number of masqueraded LUNs

512

2048

4096

8192

HyperMirror

Maximum number of volume mirrors

128

256

512

Number of copies per volume mirror

2

SmartQuota

Number of quota directory trees per file system

4096

User quota per file system

1000

2000

3000

User group quota per file system

20,000

30,000

40,000

50,000

60,000

SmartCompression

Granularity of data block compression

• File system: 8 KB/16 KB/32 KB/64 KB auto-adjust
• LUN: 4 KB/8 KB/16 KB/32 KB/64 KB auto-adjust

SmartDedupe

Granularity of data block deduplication (configurable)

4 KB, 8 KB, 16 KB, 32 KB, or 64 KB self-adaptable

SmartCache

Total SSD cache capacity per controller

• 400 GB (16 GB per controller)
• 1600 GB (32 GB per controller)

• 600 GB (24 GB per controller)
• 2400 GB (48 GB per controller)
• 4800 GB (64 GB per controller)

• 1600 GB (32 GB per controller)
• 4800 GB (64 GB per controller or 128 GB per controller)

• 2400 GB (64 GB per controller)
• 9600 GB (128 GB per controller or 256 GB per controller)

• 4800 GB (128 GB per controller)
• 9600 GB (256 GB per controller)
• 9600 GB (512 GB per controller, applicable to versions earlier than V300R006C10)
• 16 TB (512 GB per controller, applicable to V300R006C10)

Number of SSD cache partitions for every two controllers

Eight user partitions and one default cache partition

Data block granularity of SSD cache

4 KB, 8 KB, 16 KB, 32 KB, 64 KB, or 128 KB self-adaptable

NAS antivirus

Virus-scanning mode

CIFS share (scanning starts when files are closed)

Maximum number of antivirus servers

128

256

512

Maximum number of file systems that can be monitored

1024

2048

4096

Maximum number of virus scanning policies

256

512

1024

Maximum number of antivirus servers per vStore

32

HyperMetro (SAN)

Maximum number of HyperMetro domains

1

The number of NAS and SAN HyperMetro domains cannot exceed 1.

• 1 for versions earlier than V300R006C10. The number of NAS and SAN HyperMetro domains cannot exceed 1.
• 2 for V300R006C10 and later versions. The number of NAS and SAN HyperMetro domains cannot exceed 2.

2

The number of NAS and SAN HyperMetro domains cannot exceed 2.

2

The number of NAS and SAN HyperMetro domains cannot exceed 2.

2

The number of NAS and SAN HyperMetro domains cannot exceed 2.

Maximum number of HyperMetro LUN pairs in a consistency group

32

128

256

Maximum number of HyperMetro pairs

128

512

1024

Maximum number of pairs in a consistency group

128

512

1024

Maximum number of pairs in a HyperMetro domain

128

512

1024

Maximum number of physical links that connect to a controller

• Versions earlier than V300R006C20: 8
• V300R006C20 and later versions: 256

Maximum distance

< 300 km

Supported physical link types

8 Gbit/s Fibre Channel, 16 Gbit/s Fibre Channel, or 10GE

Supported protocol types

iSCSI or Fibre Channel

Arbitration mode

Static priority mode

Quorum server mode

HyperMetro (NAS)

Maximum number of HyperMetro domains

1

The number of NAS and SAN HyperMetro domains cannot exceed 1.

• Applicable to versions earlier than V300R006C10:

  1

  The number of NAS and SAN HyperMetro domains cannot exceed 1.

• Applicable to V300R006C10 and later versions:

  2

  The number of NAS and SAN HyperMetro domains cannot exceed 2.

2

The number of NAS and SAN HyperMetro domains cannot exceed 2.

2

The number of NAS and SAN HyperMetro domains cannot exceed 2.

2

The number of NAS and SAN HyperMetro domains cannot exceed 2.

Maximum number of tenant pairs

63

127

127

255

255

Maximum number of file system pairs

64

256

512

1024

2048

Maximum number of physical links that connect to a controller

• Versions earlier than V300R006C20: 8
• V300R006C20 and later versions: 256

Maximum distance

< 300 km

Supported physical link types

8 Gbit/s Fibre Channel, 16 Gbit/s Fibre Channel, or 10GE

Supported protocol types

SMB3.0/NFSv3/NFSv4.0/NFSv4.1

Arbitration mode

Static priority mode

Quorum server mode

Quorum client (on the server side)

Maximum number of quorum servers that can be connected to an array

• 1 (applicable to versions earlier than V300R006C10)
• 2 (applicable to V300R006C10 and later versions)

• 1 (applicable to versions earlier than V300R006C10)
• 4 (applicable to V300R006C10 and later versions)

• 2 (applicable to versions earlier than V300R006C10)
• 8 (applicable to V300R006C10 and later versions)

• 2 (applicable to versions earlier than V300R006C10)
• 16 (applicable to V300R006C10 and later versions)

• 2 (applicable to versions earlier than V300R006C10)
• 32 (applicable to V300R006C10 and later versions)

Maximum number of quorum servers that can be connected to a HyperMetro domain

• 1 (applicable to versions earlier than V300R006C10)
• 2 (applicable to V300R006C10)

Maximum number of IP addresses that can be added to a quorum server

2

Maximum number of links that can be connected from each controller of an array to the same quorum server

2

Quorum server (on the server side)

Maximum number of HyperMetro arrays supported by a quorum server

8

Maximum number of quorum IP addresses that can be configured for each quorum server

4

HyperVault

Maximum number of backup pairs

128

512

1024

Maximum number of backup copies

2048

4096

8192

Backup speed

Fast, high, medium, low

Backup period

5 minutes to 1 month

Maximum number of backup policies per pair

Local backup policy: 4

Remote backup policy: 4

Maximum number of backup copies per pair

Local backup policy: 256

Remote backup policy: 256

a: total number of SAN HyperReplication pairs, NAS HyperReplication pairs, SAN HyperMetro pairs, NAS HyperMetro pairs, HyperVault pairs, and doubled NAS SmartMigration tasks

b: supported in V300R006C60 and later versions

Windows

Mainstream Windows operating systems are supported, including but not limited to the following:

• Windows Server 2003 R2 Standard SP2
• Windows Server 2003 R2 Datacenter SP2
• Windows Server 2003 R2 Enterprise Edition SP2
• Windows Server 2008 R2 Standard SP1
• Windows Server 2008 R2 Datacenter SP1
• Windows Server 2008 R2 Enterprise Edition SP1
• Windows Server 2012 Standard
• Windows Server 2012 Datacenter
• Windows Server 2012 Essentials
• Windows Server 2012 Foundation X64 Edition

Linux

Mainstream Linux operating systems, including but not limited to the following:

• SUSE Linux Enterprise Server 10
• SUSE Linux Enterprise Server 11
• Red Hat Enterprise Server AS 5
• Red Hat Enterprise Server AS 6

Other mainstream operating systems

• HP-UX 11i v2
• HP-UX 11i v3
• AIX 6.1
• AIX 7.1
• Solaris 10 for Sparc
• Solaris 11 for Sparc
• VMware ESXi 4.1
• VMware ESXi 5.0
• Citrix XenServer 5.6
• Citrix XenServer 6.0
• MAC OS X 10.7
• Other common operating systems

HyperSnap (Snapshot)

Yes^a

HyperClone (Clone)

Yes

HyperCopy (LUN Copy)

Yes

HyperReplication (Remote replication)

Yes^b

SmartQoS

Yes

SmartTier

Yes

SmartMotion

Yes

SmartThin

Yes

SmartPartition

Yes

SmartMigration

Yes

SmartErase

Yes

SmartMulti-Tenant

Yes

SmartVirtualization

Yes

HyperMirror

Yes

SmartCompression (for LUN)

Yes

SmartDedupe (for LUN)

Yes

SmartCompression (for FS)

Yes

SmartDedupe (for FS)

Yes

SmartQuota

Yes

CIFS

Yes

NFS

Yes

SmartCache

Yes

WORM (HyperLock)

Yes

NDMP

Yes

HyperMetro (for LUN)

Yes

HyperMetro (for FS)

Yes

HyperVault

Yes

a: HyperSnap for block and file services requires the same license. After importing the license file for the HyperSnap feature, a user can create snapshots for both block and file services.

b: HyperReplication for block and file services requires the same license. After importing the license file for the HyperReplication feature, a user can create remote replications for both block and file services.