Hp MSA 2040 SAN Storage Manuel d'utilisateur Page 27
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Testing enclosure connections 27
Testing enclosure connections
NOTE: Once the power-on sequence for enclosures succeeds, the storage system is ready to be
connected to hosts, as described in "Connecting the enclosure to data hosts" (page 31).
Powering on/powering off
Before powering on the enclosure for the first time:
• Install all disk drives in the enclosure so the controller can identify and configure them at power-up.
• Connect the cables and power cords to the enclosures as explained in the quick start instructions.
NOTE: MSA 2040 controller enclosures and drive enclosures do not have power switches (they are
switchless). They power on when connected to a power source, and they power off when disconnected.
• Generally, when powering up, make sure to power up the enclosures and associated data host in the
following order:
•Drive enclosures first
This ensures that disks in each drive enclosure have enough time to completely spin up before being
scanned by the controller modules within the controller enclosure.
While enclosures power up, their LEDs blink. After the LEDs stop blinking—
if no LEDs on the front
and back of the enclosure are amber—
the power-on sequence is complete, and no faults have been
detected. See "LED descriptions" (page 73) for descriptions of LED behavior.
• Controller enclosure next
Depending upon the number and type of disks in the system, it may take several minutes for the
system to become ready.
• Data host last (if powered down for maintenance purposes)
TIP: Generally, when powering off, you will reverse the order of steps used for powering on.
Power cycling procedures vary according to the type of power supply unit included with the enclosure. For
controller and drive enclosures configured with the switchless AC power supplies, refer to the procedure
described under AC power supply below. For procedures pertaining to a) controller enclosures configured
with DC power supplies, or b) previously installed drive enclosures featuring power switches, see "DC and
AC power supplies equipped with a power switch" (page 28).
IMPORTANT: See "Power cord requirements" (page 86) and QuickSpecs for more information about
power cords supported by MSA 2040 enclosures.
AC power supply
Enclosures equipped with switchless power supplies rely on the power cord for power cycling. Connecting
the cord from the power supply power cord connector to the appropriate power source facilitates power
on; whereas disconnecting the cord from the power source facilitates power off.
- HP MSA 2040 1
- User Guide 1
- Contents 3
- 4Contents 4
- Contents 5 5
- 6Contents 6
- 8Figures 8
- Tables 9 9
- 10 Tables 10
- 1Overview 11
- Features and benefits 12
- 2Components 13
- SERVICE−1SERVICE−2 14
- PORT 1 PORT 2 PORT 3 PORT 4 15
- Drive enclosures 16
- Transportable CompactFlash 17
- Supercapacitor pack 18
- Upgrading to MSA 2040 18
- 3Installing the enclosures 19
- 20 Installing the enclosures 20
- Testing enclosure connections 27
- Powering on/powering off 27
- Power cycle 29
- 30 Installing the enclosures 30
- 4 Connecting hosts 31
- 10GbE iSCSI protocol 32
- 1 Gb iSCSI protocol 32
- MSA 2040 SAS 33
- One server/one HBA/dual path 34
- Dual controller configuration 35
- Cabling for replication 37
- Host ports and replication 38
- Updating firmware 41
- 42 Connecting hosts 42
- Device description 43
- Obtaining IP values 43
- Host Interface 45
- Not Shown 45
- IP-address 46
- Workaround 47
- 6 Basic operation 49
- 50 Basic operation 50
- 7Troubleshooting 51
- Performing basic steps 52
- Stopping I/O 53
- Diagnostic steps 54
- Transporting cache 58
- 60 Troubleshooting 60
- Can you replicate a volume? 64
- Can you view remote systems? 64
- Sensor locations 65
- Power supply sensors 65
- Cooling fan sensors 65
- Temperature sensors 66
- 8 Support and other resources 67
- Websites 68
- Prerequisites 68
- Troubleshooting resources 68
- Typographic conventions 69
- Rack stability 69
- Customer self repair 70
- Product warranties 70
- 9 Documentation feedback 71
- 72 Documentation feedback 72
- A LED descriptions 73
- Disk drive LEDs 75
- Rear panel LEDs 76
- = FC LEDs 77
- = iSCSI LEDs 77
- SAS 1 SAS 2 79
- SAS 3 SAS 4 79
- Power supply LEDs 80
- D2700 6Gb drive enclosure 81
- 82 LED descriptions 82
- Safety requirements 83
- Management host requirements 84
- Physical requirements 85
- Environmental requirements 86
- Electrical requirements 86
- C Electrostatic discharge 87
- 88 Electrostatic discharge 88
- D SFP option for host ports 89
- Verify component operation 90
- Index 91 91
- 92 Index 92
- HP MSA 2040 User Guide 93 93
- 94 Index 94
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