Dell POWEREDGE R710 - Manual (Page 16)

Dell HPC Tiered Storage Solution
Page 14
Single large file
The second test uses a large number of files in an HSM migration for a larger total data size. The
results are tabulated in Table 5.2
Many small files for large total size data set
The third test measured the amount of time to migrate small files. Because the files are small, the
migration is fairly quick, but there is additional time to load the tape in the drive and write the data.
The results are summarized in Table 5.3
0
10
20
30
40
50
60
1GB 10GB 100GB 1TB 5TB 10TB
T
ime (
h
o
u
rs)
File Size
Migrate and verify a single Large file from Primary tier (NSS) to LTS
tier (Tape)
Native (no compression)
Compressed 2:1 ratio
0
10
20
30
40
50
60
70
1,024 5,120 10,241
T
ime (
h
o
u
rs)
Number of 1GB files in data set
Migrate and verify many small files from Primary tier (NSS) to LTS tier
(Tape)
Native (no compression)
Compressed 2:1 ratio