Sample Initialization And Replication Times - HP StorageWorks 12000 - Virtual Library System EVA Gateway Manual

Table 7 shows the typical ongoing replication times depending on link speeds and how long the
initialization process will take depending on if initialization is done via co-location or the WAN link.
Use this table as a reference guide.
Table 7 Sample Initialization and Replication Times
Initial Link Backup
backup speed in time at
size in Mb/sec 25
GB MB/sec
in hours
50 0.6
100 1.1
2
500 5.6
1000 11.1
100 1.1
10
500 5.6
1000 11.1
100 1.1
15
500 5.6
1000 11.1
100 1.1
30
500 5.6
1000 11.1
100 50 1.1
Initial. Initial. Ongoing
time via time via replica-
WAN in co-loca- tion time
hours tion in in hours
(66% effi- hours, (1% Data
ciency replica- change
unconten- tion on rate)
ded), GbE unconten-
compres- ded link
sion at (100%
1.5:1, utiliza-
deduplic- tion)
ation at
1.5:1,
local
backups
in pro-
gress
37.1 0.5 1.5
74.2 1.0 3.1
370.9* 5.0 15.3*
741.8* 9.9 30.6*
14.8 1.0 0.6
74.2 5.0 3.1
148.4* 9.9 6.1
9.9 1.0 0.4
49.5 5.0 2.1
98.9* 9.9 4.3
4.9 1.0 0.4
24.7 5.0 2.1
49.5 9.9 4.3
3.0 1.0 0.4
HP StorageWorks VLS and D2D Solutions Guide
Limiting Ongoing Limiting
factor in replica- factor in
replica- tion time replica-
tion in hours tion
(1% data
change
rate) —
25% util-
ization
link
WAN WAN
6.1
link link
12.3
61.3*
122.6*
WAN WAN
2.5
link link
12.3
24.5
WAN
WAN
link/D2D 1.6
link
appliance
8.2
16.3
D2D ap- WAN
0.8
pliance link
4.1
8.2
WAN
D2D ap-
0.5 link/D2D
pliance
appliance
89