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From: klink@clouddancer.com (Colonel)
To: linux-kernel@vger.kernel.org
Subject: Re: Kernel Startup Delay
Date: Tue, 21 Aug 2001 12:01:22 -0700 (PDT)	[thread overview]
Message-ID: <20010821190122.E5A107840B@mail.clouddancer.com> (raw)
In-Reply-To: <9lu1js$s3o$1@ns1.clouddancer.com>
In-Reply-To: <027001c12a5b$e5d29be0$160e10ac@hades> <9lu1js$s3o$1@ns1.clouddancer.com>

In clouddancer.list.kernel, you wrote:
>
>Hello!
>
>I am setting up a server with 4 SCSI hard disks, two of which I will jumper
>to have a delayed spin up as to not bake the power supply.  These two drives
>will contain a striping RAID.  I am concerned that the kernel will load off
>of the other drives and attempt to start this RAID before the disks have
>even spun up - is there a way to have the kernel delay its startup for a
>certain number of seconds while all the drives spin up?
>
>Any hints are greatly appreciated.


You will find that the BIOS will wait for the drive spin up.  I use 9
drives and power 'on' takes a few minutes.  Additionally, the control
electronics is active on the drives, which would delay any attempt to
start RAID.



-- 
Windows 2001: "I'm sorry Dave ...  I'm afraid I can't do that."


  parent reply	other threads:[~2001-08-21 19:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <9lu1js$s3o$1@ns1.clouddancer.com>
2001-08-21 16:11 ` Mark Cuss
2001-08-21 17:02   ` Ignacio Vazquez-Abrams
2001-08-21 19:01   ` Colonel [this message]
2001-08-22  6:00   ` Jim Roland
     [not found] <no.id>
2001-08-21 16:26 ` Alan Cox

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