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05-25-2010 07:08 PM
05-25-2010 07:08 PM
BOOT SEQUENCE
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05-25-2010 07:35 PM
05-25-2010 07:35 PM
Re: BOOT SEQUENCE
The swapper process is part of the kernel.It should have PID 0 and is in charge of scheduling processes. Please find the URL (boot sequence)
http://forums11.itrc.hp.com/service/forums/questionanswer.do?admit=109447626+1274843768268+28353475&threadId=1359863.
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05-25-2010 07:39 PM
05-25-2010 07:39 PM
Re: BOOT SEQUENCE
http://forums11.itrc.hp.com/service/forums/questionanswer.do?admit=109447626+1274843768268+28353475&threadId=1359863
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05-25-2010 07:41 PM
05-25-2010 07:41 PM
Re: BOOT SEQUENCE
BOOT SEQUENCE of HPUX:
Boot Sequence:
1. Poweron.
2. PDC Activates and checks for cpu and memory and other peripheral connected to it.
3. Checks if AUTOBOOT Flag is on. If yes , its try to locate the Primary boot path, and loads Initial system loader , from Primary boot path.
4. ISL Loads the secondery loader called hp-ux.
5. hpux loads the kernel /stand/vmunix
6. kernel starts first process swapper , and then init
7. Shell /sbin/pre_init_rc executes
8. init locates /etc/inittab
9. /etc/inittab starts the system the default run level , mentioned with "initdefault" parameter.
10. Then executes /sbin/bcheckrc and activates LVM ,
It does following:
1. activates LVM (if appplicable).
2. runs eisa_config in automatic mode
3. checks the file systems before mounting
4. checking reside in /sbin/fs/
5. mounting any file systems.
6. It checks for the file /sbin/lvmrc and , /etc/lvmrc activates the LVM , if AUTO_VG_ACTIVATE=1 mentioned.
7. Then it spawns getty process , cons:123456:respawn:/usr/sbin/getty console console and it gives login : prompt...
Rgds-Kranti
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05-25-2010 08:31 PM
05-25-2010 08:31 PM
Re: BOOT SEQUENCE
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05-26-2010 12:32 AM
05-26-2010 12:32 AM