User manual

FIBRE-to-SAS/SATA RAID SUBSYSTEM
User Manual
141
available.
Disk
(RAID
Level 1, 5
or 10)
Drive
removed or
drive failure
No effect.
RAID
volume
degraded.
Loss of high
availability.
System will
become
unavailable on
second failure
Performance
may drop
Event log
and E-mail
Disk
(RAID
Level 0)
Drive
removed or
drive failure
RAID is
inaccessible
RAID
unavailable
N/A
Event log
and E-mail
Disk
(RAID
Level 1, 5
or 10)
Medium
Error
No effect
Stripe will be
rebuilt on
alternate
sectors.
Performance
may drop
Disk
statistics
updated in
controller
If threshold
met, Event
log and E-
mail
Disk
(RAID
Level 0)
Medium
Error
Data loss
None except
for the data
loss
None
Disk
statistics
updated in
controller
If threshold
met, Event
log and E-
mail
Cable
SCSI cable
total failure
No effect
System
unavailable
unless
alternate SCSI
path is used in
cluster
configuration.
N/A
Event log
and E-mail
Cable
SCSI cable
transient
parity errors
No effect
System
remains
available
Performance
will drop as
command
timeouts, bus
resets and
retries occur
Event log
and E-mail