Owners Manual
Table Of Contents
- Dell EMC PowerVault ME4 Series Storage System Owner’s Manual
- Contents
- Storage system hardware
- Troubleshooting and problem solving
- Module removal and replacement
- ESD precautions
- Dealing with hardware faults
- Firmware updates
- Continuous operation during replacement
- Shutting down attached hosts
- Shutting down a controller module
- Verifying component failure
- Customer-replaceable units (CRUs)
- Attach or remove the front bezel of a 2U enclosure
- Replacing a drive carrier module in a 2U enclosure
- Replacing a DDIC in a 5U enclosure
- Replacing a controller module or IOM in a 2U or 5U enclosure
- Replacing a power supply unit (PSU) in a 5U enclosure
- Replacing a fan cooling module (FCM) in a 5U enclosure
- Replacing a power cooling module (PCM) in a 2U enclosure
- Completing the component installation process
- Verifying component operation
- Performing updates in PowerVault Manager after replacing an FC or SAS HBA
- Events and event messages
- Connecting to the CLI port using a serial cable
- Technical specifications
- Standards and regulations
CAUTION: The sideplanes on the enclosure drawers are not hot swappable or customer serviceable.
5U84 enclosure drawer LEDs
See 5U84 enclosure drawers on page 20 for a visual description of the Drawer LED inserts located on each drawer bezel.
Table 18. Drawer LED states
LED Status/description
Sideplane
OK/Power
Good
Green if the sideplane is working and there are no power problems.
Drawer Fault Amber if a drawer component has failed. If the failed component is a disk, the LED on the failed DDIC will light
amber. Follow the procedure in Replacing a DDIC in a 5U enclosure on page 51. If the disks are OK, contact
your service provider to identify the cause of the failure, and resolve the problem.
CAUTION: The sideplanes on the enclosure drawers are not hot swappable or customer
serviceable.
Logical Fault Amber (solid) indicates a disk fault. Amber (blinking) indicates that one or more storage systems are in an
impacted state.
Cable Fault Amber indicates the cabling between the drawer and the back of the enclosure has failed. Contact your service
provider to resolve the problem.
Activity Bar
Graph
Displays the amount of data I/O from zero segments lit (no I/O) to all six segments lit (maximum I/O).
5U84 enclosure DDIC LEDs
The DDIC supports LFF 3.5" and SFF 2.5" disks. The following figure shows the top panel of the DDIC as viewed when the disk
is aligned for insertion into a drawer slot.
Figure 36. LEDs: DDIC – 5U enclosure disk slot in drawer
1. Slide latch (slides left)
2. Latch button (shown in the locked position)
3. Drive Fault LED
Table 19. DDIC LED states
Fault LED (Amber) Status/description*
Off Off (disk module/enclosure)
Off Not present
Blinking: 1s on/1s off Identify
Any links down: On Drive link (PHY lane) down
On Fault (leftover/failed/locked-out)
Off Available
Off Storage system: Initializing
Off Storage system: Fault-tolerant
Off Storage system: Degraded (non-critical)
Troubleshooting and problem solving 37