Newsgroups: comp.sys.sgi
Path: utzoo!censor!geac!maccs!apcah2!root
From: root@apcah2.Eng.McMaster.CA (Apcah2 Super-User)
Subject: Re: slow boot-time fsck -y -D, invoked by mount(!)
Message-ID: <1990Nov9.203004.473@maccs.dcss.mcmaster.ca>
Reply-To: root@apcah2.eng.mcmaster.ca (Apcah2 Super-User)
Organization: Dept. of Chem. Eng.,  McMaster University, Hamilton, Ontario
References: <1990Oct28.073438.8627@utstat.uucp> <73531@sgi.sgi.com> <1990Nov1.102132.19777@maccs.dcss.mcmaster.ca> <74515@sgi.sgi.com>

In article <74515@sgi.sgi.com> daveh@xtenk.asd.sgi.com (David A Higgen) writes:
>> In article <73531@sgi.sgi.com> daveh@xtenk.asd.sgi.com (David A Higgen) writes:
>> >I'm currently in the midst of a major overhaul of fsck which will appear
>> >in the next release. I've been able to make a speed improvement of a factor
>> >2 to 2.5 in the program itself, and there will be logic added to do
>> >parallel fsck's during bootup.
>> 
>> How about a -p option, instead of -y?  Is there a good reason to have fsck
>> run with -y always?
[ ... chop chop ...]
>Yes, a -p type option will be available. Unlike BSD, this will NOT be 
>hardwired to parallel behaviour (a rotton design decision, IMHO), but will
>be an independant option.

I thought the -p meant "preen", and the parallelism was invoked through
careful arrangement of the fsck pass number in /etc/fstab.  In any case
I'm glad to see the -p option.

>We will probably still ship systems with -y behaviour by default, the reason
>being that for the non-UNIX-experienced, you want the system to just
>COME UP, not require cryptic messing with some scary fsck-thing!
>
>But -p type behaviour will be available for those who want it.

Sounds reasonable to me.  The more choice I have the better (and the more
work I have to do :-(

E. John Benjamins                                      BITNET: JOHNB@MCMASTER
Computer and Information Services,     Internet: johnb@sscvax.cis.mcmaster.ca
ABB 131, McMaster University, 
Hamilton, Ontario, Canada    "You can't chop down a symmetry" -- Jane Siberry