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Data Domain: Required hardware configurations for upgrading a Data Domain appliance to Cloud Tier or Cache Tier

Summary: In order to upgrade Data Domain appliances with additional storage tiers, such as Cloud Tier (LTR) , Extended Retention, or Cache Tier, minimum platform hardware requirements must be met, prior to installing licenses or allocating capacity to a new tier. When required hardware or licenses are missing or misconfigured, the license for the desired feature cannot be installed or the creation/expansion of a tier will be blocked. ...

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Instructions

There are some requirements that are often overlooked, and could cause some confusion when expanding a Data Domain with an additional tier:
  • Some models have a Minimum SAS card count required to enable a feature.
  • Extended Retention and Cloud tier cannot co-exist on the same Data Domain system.
  • Maximum metadata storage is required regardless of licensed Cloud capacity.
  • Cloud MetaData disk units are groups of 15 disks in an ES30 or a DS60 enclosure.
  • Improper total memory size will block creation of an expanded tier when you execute the command #filesys expand.

Missing or improperly sized licenses can block creation or expansion of a tier such as Extended Retention Tier (E.R.), Cloud Tier (L.T.R), or Cache tier.
Execute the following commands to view installed feature licenses, as well as tier specific capacity licenses, which are currently applied to the Data Domain.
  
# elicense show
  (older models may use #license show)   -will detail what licenses are installed, and what licenses may be missing or undersized:
System locking-id: APM0xxxxxxxxxxxxxxxx
Capacity licenses:
##   Feature              Shelf Model   Capacity    Mode              Expiration Date
--   ------------------   -----------   ---------   ---------------   ---------------
1    CAPACITY-ACTIVE      ES30          65.48 TiB   permanent (int)   n/a
2    CAPACITY-RETENTION   ES30          32.74 TiB   permanent (int)   n/a
--   ------------------   -----------   ---------   ---------------   ---------------
Licensed Active Tier capacity: 65.48 TiB*
Licensed Archive Tier capacity 32.74 TiB*
* Depending on the hardware platform, usable filesystem capacities may vary.

Feature licenses:
##   Feature                                    Count   Mode              Expiration Date
--   ----------------------------------------   -----   ---------------   ---------------
1    REPLICATION                                                                       1   permanent (int)   n/a
2    VTL                                                                                     1   permanent (int)   n/a
3    DDBOOST                                                                           1   permanent (int)   n/a
4    RETENTION-LOCK-GOVERNANCE                                     1   permanent (int)   n/a
5    EXTENDED-RETENTION                                                       1   permanent (int)   n/a
6    STORAGE-MIGRATION-FOR-DATADOMAIN-SYSTEMS       5   permanent (int)   n/a
--   ----------------------------------------   -----   ---------------   ---------------

  
# storage show all
 -will detail current tier sizes; which storage groups belong to a tier; as well as maximum allowable tier sizes based upon the applied licenses. partially used license capacity are also displayed for each tier.

Active tier details:
Disk      Disks      Count   Disk       Additional
Group                        Size       Information
-------   --------   -----   --------   -----------
dg1       2.1-2.14   14      2.7 TiB
dg2       3.1-3.14   14      2.7 TiB
(spare)   2.15       1       2.7 TiB
(spare)   3.15       1       2.7 TiB
-------   --------   -----   --------   -----------

Current active tier size: 65.4 TiB
Active tier maximum capacity: 261.9 TiB

Archive tier details:
Disk      Disks      Count   Disk       Additional
Group                        Size       Information
-------   --------   -----   --------   -----------
dg3       4.1-4.14   14      2.7 TiB
(spare)   4.15       1       2.7 TiB
-------   --------   -----   --------   -----------
Current archive tier size: 32.7 TiB

Shelf Capacity License:
License            Model   Total      Used       Remaining
----------------   -----   --------   --------   ---------
CAPACITY-ACTIVE    ES30    65.4 TiB   65.4 TiB   0.0 TiB
CAPACITY-ARCHIVE   ES30    32.7 TiB   32.7 TiB   0.0 TiB
----------------   -----   --------   --------   ---------
  
#Enclosure Show Misconfiguration
 -can reveal some missing or improperly installed hardware components which are required to configure a new tier:
-------------------------------
Memory DIMMs:
    No misconfiguration found.
IO Cards:
    No misconfiguration found.
CPUs:
    No misconfiguration found.
Disks:
Slot   Size(GiB)   Type   Media   Status
----   ---------   ----   -----   -------
12     745         SAS       SSD        missing 
----   ---------   ----   -----   -------
 
For DDVE 3.0 specific requirements, run the following commands to determine what Cloud Tier configuration is required:
  
# system vresource show requirements

   Active Tier       Cloud Tier    vCPU   Memory

Capacity (TiB)   Capacity (TiB)   Count    (GiB) 

          --------------   --------------   -----   ------

             4                  n/a              2            6

             8                  n/a              2            8

            16                  n/a             4           16

            32                  n/a              4           24

            48                  n/a              4           36

            64                  n/a              8           48

            96                  n/a              8           64

            16                   32              4           32

            64                  128              8           60

            96                  192              8           80

          --------------   --------------   -----   ------

  
# system vresource show 
- will detail the current configuration for a DDVE:
CPU sockets:        1
Cores per socket:   8
Memory:             80 GiB
Cloud feature is supported with this configuration.
It supports Data Domain Filesystem (DDFS) capacity up to 96 TiB for active tier
and up to 192 TiB for cloud tier.

Included here are charts detailing the requirements for configuring a tier, based on the DD model and memory size.
  • Required memory configuration.
  • Required SAS card count. (verify SAS card installation slots based on model).
  • Allowable Cloud Tier size, type & location.
  • Allowable Cache Tier size, type & location.
  • Allowable Extended Retention Tier size, type & location.
 
DD6300 Config. Memory Raw Storage SAS HBA Count
1		 SSD enclosure type SSD Count Cloud MetaData Shelves
 
Base 48GB 48TB 0 Rear Chassis 1 NA
Base 48GB 48TB int + 60TB ext 1 Rear Chassis 1 NA
Expanded 96GB 48TB int + 192TB ext 1 Rear Chassis 2 NA
  • Cloud Tier feature is not supported on this model
 
DD6800 config. Memory Raw Storage SAS HBA Count
1		 SSD enclosure type SSD Count Cloud MetaData disk units
2,3
Base 192GB 192TB 2 Front Chassis 2 N/A
Expanded ER 192GB 360TB 2 FS15 4 N/A
Expanded HA 192GB 360TB 2 FS15 4 2 x 4TB
Expanded CT 192GB 360TB 2 Front Chassis 4 2 x 4TB
1 Minimum SAS count required to enable feature.
2 Maximum metadata storage is required regardless of licensed Cloud capacity.
3 Cloud MetaData disk units are groups of 15 disks in an ES30 or a DS60 enclosure.
 
DD9300 Config Memory Raw Storage SAS HBA Count
1		 SSD enclosure type SSD Count Cloud MetaData disk units
2,3
Base 192GB 480TB 2 Front Chassis 5 N/A
Expanded ER 384GB 900TB 2 FS15 8 N/A
Expanded HA 384GB 900TB 2 FS15 8 4 x 4TB
Expanded CT 384GB 900TB 2 Front Chassis 8 4 x 4TB
1 Minimum SAS count required to enable feature.
2 Maximum metadata storage is required regardless of licensed Cloud capacity.
3 Cloud MetaData disk units are groups of 15 disks in an ES30 or a DS60 enclosure.
 
DD9500 Config. Memory Raw Storage SAS HBA Count
1		 SSD enclosure type SSD Count Cloud MetaData disk units
2,3
Base 256GB 432TB 3 FS15 8 N/A
Expanded ER 512GB 864TB 4 FS15 15 N/A
Expanded HA 512GB 864TB 4 FS15 15 5 x 4TB
Expanded CT 512GB 864TB 4 FS15 15 5 x 4TB
1 Minimum SAS count required to enable feature.
2 Maximum metadata storage is required regardless of licensed Cloud capacity.
3 Cloud MetaData disk units are groups of 15 disks in an ES30 or a DS60 enclosure.
 
DD4200 Config. Memory Raw Storage SAS HBA Count
1		 SSD enclosure type SSD Count Cloud MetaData disk units
2,3
Base 128GB 120TB 2 N/A N/A N/A
Expanded ER 128GB 120TB 2 N/A N/A N/A
Expanded Cloud 128GB 240TB 3 N/A N/A 2 x 3TB
1 Minimum SAS count required to enable feature.
2 Maximum metadata storage is required regardless of licensed Cloud capacity.
3 Cloud MetaData disk units are groups of 15 disks in an ES30 or a DS60 enclosure.
 
DD4500 Config Memory Raw Storage SAS HBA Count
1		 SSD enclosure type SSD Count Cloud MetaData disk units
2,3
Base 192GB 180TB 2 N/A N/A N/A
Expanded ER 192GB 360TB 3 N/A N/A N/A
Expanded CT 192GB 360TB 3 N/A N/A 2 x 4TB
1 Minimum SAS count required to enable feature.
2 Maximum metadata storage is required regardless of licensed Cloud capacity.
3 Cloud MetaData disk units are groups of 15 disks in an ES30 or a DS60 enclosure.
 
DD7200 Config. Memory Raw Storage SAS HBA Count
1		 SSD enclosure type SSD Count Cloud MetaData disk units
2,3
Base 128GB 360TB 2 N/A N/A N/A
Expanded ER 256GB 540TB 4 N/A N/A N/A
Expanded CT 256GB 540TB 4 N/A N/A 4 x 4TB
1 Minimum SAS count required to enable feature.
2 Maximum metadata storage is required regardless of licensed Cloud capacity.
3 Cloud MetaData disk units are groups of 15 disks in an ES30 or a DS60 enclosure.
 
DD990 Config. Memory Raw Storage SAS HBA Count
1		 SSD enclosure type SSD Count Cloud MetaData disk units
2,3
Base 128GB 360TB 3 N/A N/A N/A
Expanded ER 265GB 720TB 4 N/A N/A N/A
Expanded CT 256GB 720TB 4 N/A N/A 4 x 3TB (ES30 only)
1 Minimum SAS count required to enable feature.
2 Maximum metadata storage is required regardless of licensed Cloud capacity.
3 Cloud MetaData disk units are groups of 15 disks in an ES30 or a DS60 enclosure.

Affected Products

Data Domain