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Thank you for your comments. &nbsp;I have a case now open with IBM Tech support. &nbsp; I will try the power recycle procedure.
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Thank you for your comments.  I have a case now open with IBM Tech support.   I will try the power recycle procedure.

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Both proposed solutions were helpful.
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Hi<br />
<br />
Our system x 3650 is displaying a DASD error. &nbsp;There is an amber light on Disk 2. ( The server has 3 hds in RAID 5). The AMber Exclamation Mark light is also on and the system is not booting. &nbsp;Can anyone advise?<br />
<br />
Thank you
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Hi

Our system x 3650 is displaying a DASD error.  There is an amber light on Disk 2. ( The server has 3 hds in RAID 5). The AMber Exclamation Mark light is also on and the system is not booting.  Can anyone advise?

Thank you

IBM Systemx 3650: DASD Error and system not booting

Servers are computing devices that are similar to desktop computers in that they have the same basic components, but are significantly different in size, configuration and purpose. Servers are usually accessed over a network, and many run unattended, without a computer monitor, input device, audio hardware or USB interfaces. Many servers do not have a graphical user interface (GUI), and are configured and managed remotely. Servers typically include hardware redundancy such as dual power supplies, RAID disk systems, and ECC memory, along with extensive pre-boot memory testing and verification. Critical components might be hot swappable, and to guard against overheating, servers might have more powerful fans or use water cooling.