40
Critical: OCE/ORLM Rebuild
The expanding/migrating array requires a rebuild.
Table 2: RAID Reference Level
Each drive can be accessed
as a single volume
No fault tolerance - failure of
one drive results in complete
data loss
Offers the highest
performance
No fault tolerance - failure of
one drive results in complete
data loss
Temporary file,
performance driven
application.
Provides convenient low-
cost data redundancy for
smaller systems and servers
Useable storage space is 50%
of total available capacity.
Can handle 1 disk failure.
Operating system, backup,
and transaction database.
Disk
Mirroring
followed by
stripe
High read performance and
medium write performance
with data protection for up
to 2-drive failures
Useable storage capacity
equals total capacity of all
drives in the array minus two
Fast database and
application servers which
need performance and
data protection
Disk
Striping
with
Rotating
parity
High read performance, and
medium write performance
with data protection with a
single drive failure
Not recommended for
database applications that
require frequent/heavy write
sessions. Can handle 1 disk
failure.
Data archives, and ideal
for application that require
data protection
Disk
Mirroring
followed by
RAID5
High read performance,
and medium write
performance with data
protection in case of up to
two drives failure
Not recommended for
applications that require
frequent/heavy write
sessions.
Data archives and ideal for
application that requires
data protection
Disk
Striping
with dual
rotating
parity
High read performance,
and medium write
performance with data
protection in case of up to
two drives failure
Not recommended for
applications that require
frequent/heavy write
sessions.
Data archives and ideal for
application that requires
data protection
Contacting Technical Support
For any help and support, please submit the following
Support ticket online at http://www.highpoint-tech.com/websupport/
Configuration record
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