Eternus Dx Storage Systems [Rec]); Table 130 Guidelines For Snapshot Configurable Nas Volume Capacity (When Quickopc And Rec Are Used) - Fujitsu ETERNUS DX S5 Series Design Manual

C. Snapshot Configurable NAS Volume Capacity (Guideline)
●
When a Secondary Backup Is Performed Using a Backup between ETERNUS DX Storage Systems (REC)
The values in the table are calculated based on the requirements when the following copy sessions are set
for the NAS user volume.
Requirements described in
•
330) and requirements when a secondary backup is performed using a backup between ETERNUS DX
storage systems (REC)
Figure 194

ETERNUS DX Storage Systems [REC])

ETERNUS DX (on the operation side)
NAS volume backup
(QuickOPC)
NAS backup volume
*1: A NAS user volume is not required when the ETERNUS DX (on the backup side) does not conduct NAS operations.
Table 130
ETERNUS DX
DX100 S5 (Copy
table size: 512MB)
DX200 S5 (Copy
table size: 512MB)
"● When a Backup Is Performed Using QuickOPC with OPC Restoration" (page
Operational Configuration (When a Secondary Backup Is Performed Using a Backup between
Snapshots
SDV#0
NAS user volume
SDV#1
SDV#255
NAS volume restoration
(OPC)
NAS volume backup
between storage systems (REC)
Guidelines for Snapshot Configurable NAS Volume Capacity (When QuickOPC and REC Are Used)
Number Resolution
of
snapshot
´1 ´2
generatio
ns
16 1,724 3,448
(1.7) (3.4)
32 935 1,871
(0.9) (1.8)
64 488 977
(0.5) (1.0)
16 1,724 3,448
(1.7) (3.4)
32 935 1,871
(0.9) (1.8)
64 488 977
(0.5) (1.0)
128 249 499
(0.2) (0.5)
ETERNUS DX (on the backup side)
Restoration (OPC)
NAS volume backup
(QuickOPC)
REC
destination volume
´4 ´8
6,896 13,793
(6.7) (13.5)
3,742 7,485
(3.7) (7.3)
1,954 3,908
(1.9) (3.8)
6,896 13,793
(6.7) (13.5)
3,742 7,485
(3.7) (7.3)
1,954 3,908
(1.9) (3.8)
998 1,997
(1.0) (2.0)
332
NAS user volume
(*1)
(if necessary)
NAS backup volume
´16 ´32 ´64
27,586 55,172 110,344
(26.9) (53.9) (107.8)
14,971 29,943 59,886
(14.6) (29.2) (58.5)
7,817 15,634 31,268
(7.6) (15.3) (30.5)
27,586 55,172 110,344
(26.9) (53.9) (107.8)
14,971 29,943 59,886
(14.6) (29.2) (58.5)
7,817 15,634 31,268
(7.6) (15.3) (30.5)
3,994 7,988 15,976
(3.9) (7.8) (15.6)
Design Guide