Dell EqualLogic PS6610E EqualLogic PS6610 Storage Arrays Hardware Owners Manua - Page 26

Enable, Standby, Feature, On/Off, Button

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PS6610 Hardware Owner's Manual 3 Control Module Maintenance Figure 13: Standby Button Location Enable the Standby Feature To use the standby button, a group administrator must enable the feature in the Group Manager GUI or CLI. Enabling the use of the button applies groupwide; that is, it allows you to press the button to shut down any member (array) that has the standby button (PS4100, PS4110, PS6100, PS6110, PS6210, and PS6610 array models). You do not need to enable use of the button on each member separately. Note: Only a user with group administrator privileges can enable the standby feature on the group. However, anyone can press the button, and the group cannot determine who put the array into standby on/off mode. Therefore, group administrators should consider their environment's security concerns before enabling this feature. Use the Standby On/Off Button After the feature is enabled groupwide, you can use the Standby On/Off button on either control module of any applicable member to shut down the array quickly without using the Group Manager GUI or CLI. • To shut down the member to the standby state, press in and hold the Standby On/Off button for at least two (2) seconds. • To fully shut down the array, turn off the switches on the power supplies. • To turn the member back on, press and hold the Standby On/Off button again (and ensure the power supply switches are turned back to the on position). Important Considerations Use the Standby On/Off button only when you must shut down a member quickly, in situations where you do not have access to the Group Manager GUI or CLI. For example, you discover a problem in your lab environment, such as high temperature or a water leak, that might damage the array. Caution: In standby mode, all volumes that use space on that member or that are bound to that member become unavailable. All operations on the member are suspended, no I/O activity to or from the member occurs, and the member's firmware is not running. Caution: When replacing a failed control module, do not shut down the array with the standby on/off button or by any other method. If the member is shut down, the array automatically returns to fullpower mode when a control module is inserted. 20

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PS6610
Hardware
Owner's
Manual
3
Control
Module
Maintenance
Figure
13:
Standby
Button
Location
Enable
the
Standby
Feature
To
use
the
standby
button,
a
group
administrator
must
enable
the
feature
in
the
Group
Manager
GUI
or
CLI.
Enabling
the
use
of
the
button
applies
groupwide;
that
is,
it
allows
you
to
press
the
button
to
shut
down
any
member
(array)
that
has
the
standby
button
(PS4100,
PS4110,
PS6100,
PS6110,
PS6210,
and
PS6610
array
models).
You
do
not
need
to
enable
use
of
the
button
on
each
member
separately.
Note:
Only
a
user
with
group
administrator
privileges
can
enable
the
standby
feature
on
the
group.
However,
anyone
can
press
the
button,
and
the
group
cannot
determine
who
put
the
array
into
standby
on/off
mode.
Therefore,
group
administrators
should
consider
their
environment's
security
concerns
before
enabling
this
feature.
Use
the
Standby
On/Off
Button
After
the
feature
is
enabled
groupwide,
you
can
use
the
Standby
On/Off
button
on
either
control
module
of
any
applicable
member
to
shut
down
the
array
quickly
without
using
the
Group
Manager
GUI
or
CLI.
•
To
shut
down
the
member
to
the
standby
state,
press
in
and
hold
the
Standby
On/Off
button
for
at
least
two
(2)
seconds.
•
To
fully
shut
down
the
array,
turn
off
the
switches
on
the
power
supplies.
•
To
turn
the
member
back
on,
press
and
hold
the
Standby
On/Off
button
again
(and
ensure
the
power
supply
switches
are
turned
back
to
the
on
position).
Important
Considerations
Use
the
Standby
On/Off
button
only
when
you
must
shut
down
a
member
quickly,
in
situations
where
you
do
not
have
access
to
the
Group
Manager
GUI
or
CLI.
For
example,
you
discover
a
problem
in
your
lab
environment,
such
as
high
temperature
or
a
water
leak,
that
might
damage
the
array.
Caution:
In
standby
mode,
all
volumes
that
use
space
on
that
member
or
that
are
bound
to
that
member
become
unavailable.
All
operations
on
the
member
are
suspended,
no
I/O
activity
to
or
from
the
member
occurs,
and
the
member's
firmware
is
not
running.
Caution:
When
replacing
a
failed
control
module,
do
not
shut
down
the
array
with
the
standby
on/off
button
or
by
any
other
method.
If
the
member
is
shut
down,
the
array
automatically
returns
to
full-
power
mode
when
a
control
module
is
inserted.
20