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05-29-2013, 02:58 PM
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#1
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Member
Registered: Feb 2013
Location: Bangalore
Distribution: Rhel
Posts: 86
Rep: 
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what is fastboot option
Hi team,
Please let me know what is the usage of fastboot of while starting editing kernal like this.
kernel /vmlinuz-2.6.18-92.1.22.el5 ro root=LABEL=/ rhgb quiet fastboot
thanks
abdul
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05-29-2013, 04:09 PM
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#2
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LQ Guru
Registered: Jul 2003
Location: Birmingham, Alabama
Distribution: SuSE, RedHat, Slack,CentOS
Posts: 27,607
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Quote:
Originally Posted by a.abdulna
Hi team,
Please let me know what is the usage of fastboot of while starting editing kernal like this.
kernel /vmlinuz-2.6.18-92.1.22.el5 ro root=LABEL=/ rhgb quiet fastboot
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It's well documented on the Red Hat knowledgebase...did you look there, since you're paying for access to it, right?
https://access.redhat.com/site/docum...xec-tools.html |
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05-29-2013, 06:06 PM
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#3
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Moderator
Registered: Dec 2009
Location: Germany
Distribution: Whatever fits the task best
Posts: 17,148
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TB0ne, since the OP does not state which distribution he uses we can't know if that is in fact RHEL, it can also be CentOS or Scientific Linux, they all use the same naming scheme for their kernels.
@a.abdulna: The fastboot option was introduced with the 2.6.29 kernels, although it is possible that Red Hat ported them back to their version of the 2.6.18 kernel. Basically, it tries to speed up boot time by starting some functions asynchronously, which may have an effect, but doesn't have to.
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1 members found this post helpful.
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05-30-2013, 07:56 AM
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#4
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LQ Guru
Registered: Jul 2003
Location: Birmingham, Alabama
Distribution: SuSE, RedHat, Slack,CentOS
Posts: 27,607
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Quote:
Originally Posted by TobiSGD
TB0ne, since the OP does not state which distribution he uses we can't know if that is in fact RHEL, it can also be CentOS or Scientific Linux, they all use the same naming scheme for their kernels.
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True, but since most all of the OP's other threads indicate they're using RHEL, it seemed safe to assume, especially when they mentioned the kernel with "el5" in it.
Quote:
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@a.abdulna: The fastboot option was introduced with the 2.6.29 kernels, although it is possible that Red Hat ported them back to their version of the 2.6.18 kernel. Basically, it tries to speed up boot time by starting some functions asynchronously, which may have an effect, but doesn't have to.
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That's why I told the OP to call Red Hat, and look in their knowledgebase, since they'd know about which things were in which kernels. |
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