Fantom Drives MGD-16FC16A User Manual page 142

FIBRE-to-SAS/SATA RAID SUBSYSTEM
Backplane
SATA link
(RAID
failure
Level 1, 5
or 10)
Backplane
SATA link
(RAID
failure
Level 0)
Backplane
SATA link
(RAID
degraded
Level 1, 5
or 10)
Backplane
SATA link
(RAID
degraded
Level 0)
Enclosure Fan Failure
PSU module
Enclosure
failure
BBU BBU failure
142 User Manual
Loss of high
No effect
availability,
system may
RAID
become
volume
unavailable on
degraded
second failure
RAID is RAID
inaccessible unavailable
No effect No effect
No effect No effect
System
availability at
No effect
risk until fan
replaced
System
availability at
No effect risk until PSU
module
replaced
User data at
risk from
transient
No effect
power failure
if write
caching is
Performance Event log
may drop. and E-mail
Event log
N/A
and E-mail
Disk
statistics
updated in
controller
Performance
may drop.
If threshold
met, Event
log and E-
mail
Disk
statistics
updated in
controller
Performance
may drop.
If threshold
met, Event
log and E-
mail
Event log
No effect
and E-mail
Event log
No effect
and E-mail
Event log
No effect
and E-mail