Solaris 10 Failsafe mode advantages and disadvantages


 
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Operating Systems Solaris Solaris 10 Failsafe mode advantages and disadvantages
# 1  
Old 09-19-2016
Solaris 10 Failsafe mode advantages and disadvantages

Hi Guys,

Have you tried running Solaris 10 on Failsafe mode? What are their advantages and disadvantages?

What would you recommend for a roll-back plan in case something happens after failsafe mode?

I need to run on failsafe mode to be able to execute fsck.

Appreciate your kind inputs.

Thanks
# 2  
Old 09-19-2016
You cannot fsck a mounted filesystem so when possible (subject to running applications and users) you would simply 'umount' a filesystem (provided it's not / (root) or /usr) and then fsck it.

If it's the root filesystem then I'd normally take the system down and boot from DVD

Code:
boot cdrom -s

into single user. Then fsck root and/or usr filesystems. Booting this way means the hard disk root filesystem is not mounted when running fsck as the system root is the DVD.

Doing a read-only fsck "-n" is recommended to see how much damage there is.
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