Compaq StorageWorks HSG60 ACS Solution Software V8.6 for Compaq Tru64 UNIX Installation and Configuration Guide

Planning Storage 2–7
Figure 2–5. Container types
Table 2–1 compares the different kinds of containers to help you determine which ones
satisfy your requirements.
Table 2–1 A Comparison of Container Types
Container Name Relative
Availability
Request Rate
(Read/Write)
I/O per second
Transfer Rate
(Read/Write) MB
per second
Applications
Independent disk
drives (JBOD)
Equal to number of
JBOD disk drives
Comparable to
single disk drive
Comparable to
single disk drive
−
Stripeset
(RAID 0)
Proportionate to
number of disk
drives; worse than
single disk drive
Excellent if used
with large chunk
size
Excellent if used
with small chunk
size
High performance
for non-critical
data
Mirrorset
(RAID1)
Excellent Good/Fair Good/Fair System drives;
critical files
Partition
Striped mirrorset
(R0+1)
Stripeset
(R0)
RAIDset
(R3/5)
Mirrorset
(R1)
Single
devices
(JBOD)
Storagesets
Containers
CXO6677A