Product specifications

180
E ISIS | 5500 Media Drive LED Functions
This section describes the ISIS | 5500 media drive LED functions. Each media drive has a blue and red LED on the
bottom front of the drive. The left LED (blue) is on when a drive has power and flashes when the drive is in use. The
right LED (red) is lit when an error is detected with the drive and the drive needs to be replaced. Details on the
media drive LED indicators are in the following table.
c
The following media drive LED functions have changed for systems with the 6 Gb SAS expander board.
These changes have been incorporated into Engine shipments starting in September 2011.
6 Gb SAS Expander — Media Drive LED Functions
Drive State Blue LED Red LED
Management Console
Messaging Comments
Online Inactive On solid Off No Special Status Healthy online drive, no disk I/O
On-line Active Activity Off No Special Status Healthy online drive, with disk
I/O
Healthy Spare On solid Off No Special Status Healthy Global Hot Spare disk
Online Disk in a
Degraded Set
On solid/
Activity
Fast flashing Error – Disk Performance
Degraded
Nothing needs to be done to
these online drives, but failed
drive should be replaced
Spare Rebuilding Activity Slow flashing Error – Disk Performance
Degraded – Rebuilding x%
Rebuild automatically occurs on
drive failure by using Hot Spare
disk
Data Rebuilding Activity Fast flashing Error – Disk Performance
Degraded – Rebuilding x%
Rebuild automatically occurs on
drive failure by using Hot Spare
disk
Consistency Check Activity Off Checking Raid Set – x% No user intervention required
Initializing Activity Off Initializing Raid Set – x% Happens on initial array creation
Failed Data Disk On solid On solid Error – Disk Performance
Degraded
Should replace disk
Failed Spare Disk On solid On solid Missing Spare Should replace disk
Unused Disk On solid Off No Special Status No user intervention required
Non-Branded On solid Slow flashing Warning – Unapproved spare
disk attempting to be added
as a hot spare
Should replace disk