Dell 760N, 720N, 740N manual 122#

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122#

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This chapter provides information about how to troubleshoot the PowerVault 720N, 740N, or 760N hardware based on the filer’s light-emitting diode (LED) status indica- tors and system error messages displayed on the liquid crystal display (LCD) panel. It also describes the startup messages that appear when you first start up the system.

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This chapter does not describe the specific steps necessary to replace expansion cards or internal components of the filer. Refer all servicing of components inside the filer to trained service technicians.

This chapter does not describe system problems related to software configuration, NFS, CIFS, or HTTP. Refer to the Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide for information about troubleshooting software problems.

Troubleshooting the Filer Hardware 3-1

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Contents Page Page Observe the following warnings while servicing this system 006 Vii Viii #$% #-%% #+%$ Page Xiii Xiv Monospaced font Xvi Xvii Xviii Xix Page Xxi Xxii $%$%*$+ Activity LED Status LED Power LED Nostic messages up to 32 characters Describes the back panel features 10/100Base-T Ethernet Disk-Array Enclosure DAE storage system with 18-GB #$!% Slot 9 dedicated to Nvram card $&# $%&#Introduction Page Installing a Filer System 145 +,+=1.75 inch DAA1% 24769!8 Shows the rack adapter rails properly positioned in the rack +6939 Page Installing a Filer System Select any two holes #,,#6233 +-0%$#./$&&# FC-AL1 loop FC-AL0 loop FC-AL adapter in slot $&$2 77% Installing a Filer System $!1 #,+Built-in Ethernet connector 33!# 13 shows the location of the Console port $&&# 14 shows two power suppliesAC LED Page 122# Shows the LEDs on the front panel +$ 1# Off-AC signal is not good #1&21 41&21 Quad-port Ethernet card #=# Troubleshooting the Filer Hardware 37# Startup failed Scsi Host Adapter 0b Administrator and Command Reference Storage enclosure address number. Setup Page Filer’s /etc/passwd and /etc/group Mode. Refer to the Dell PowerVault 720N This message appears in these situations Guide System Administrator and Command Ref Page Getting Help Ftp.dell.com Info@dell.com Support@us.dell.comSales@dell.com Page Getting Help Diagnostics Checklist 1344 Page Belgium AustraliaAustria Canada BruneiChile ChinaFrance DenmarkFinland Hong Kong GermanyIreland ItalyLatin America JapanKorea Macau LuxembourgMalaysia MexicoNew Zealand NetherlandsNorway PolandSouth Africa SingaporeSoutheast Asian Pacific CountriesSwitzerland SwedenTaiwan ThailandDell Home and Small Business Group Index Message FC-AL See also Dimms Index Nics Scsi

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