3
Monitoring System Status
3-7
Servicing and Upgrading a Deskside DPE
Table 3-4
Status Lights Visible on the DAE Front Panel
If the DPE or DAE Check light is on, you should look at the other
Check lights to determine which CRU is faulty. If the Check light on a
CRU remains on, you should replace that CRU as soon as possible.
If a non-redundant CRU fails in a deskside DPE, the system may be
inoperable while you replace the CRU. If a redundant CRU fails, high
availability and any write cache functionality will be compromised
until you replace the faulty CRU.
Light
Quantity
Color
Meaning
DAE Power
1
Green
On when the deskside DPE is powered up.
DAE System Check
1
Amber
On when any fault condition exists.
Drive Active
1 per disk module slot
Green
Off when the disk module slot is empty or contains a filler
module.
Flashing (mostly off) when the drive is powered up but not
spinning; a normal part of the spin
-
up sequence, occurring
during the spin-up delay of the slot.
Flashing (at a constant rate) when the disk drive is spinning up
or spinning down normally.
On when the drive is spinning but not handling any I/O activity
(the ready state).
Flashing (mostly on) when the disk drive is spinning and
handling I/O activity.
Disk Check
1 per disk module slot
Amber
On when the disk module is faulty, or as an indication to remove
the drive.
Enclosure Address
12
Green
One of twelve is lit to indicate the enclosure address.
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