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As follows, iSM defines the status in disk array component mentioned in the previous section.
Level definition of status value corresponds to the level that output to event log. If transition from other
status is detected, the status is output to system according to this status level.
Status value
Level
Normal
info
(ready)
Attention
notice
(attn)
Fault (fault)
warning/error
Offline
notice
(offline)
o
m
p
o
n
e
n
t
o
m
p
o
n
e
n
t
o
m
p
o
n
e
n
t
Table 2-2 Status Value List
Description
All component functions operate normally.
Some component functions do not operate
normally and requires attention. (Data access
from operation host is possible).
Component stops functioning because of fault. If
data access from operation host is possible (=
single fault), the level is "warning", and if data
access from operation host is impossible (=
double fault), it is "error".
Component is separated.
I-15
Chapter 2 Storage Overview
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Maintenance
--
Maintenance is required if
trouble occurred except
during maintenance work
Maintenance is required
immediately.
Maintenance is required if
trouble occurred except
during maintenance work
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