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echo: os2user-l
to: All
from: `Jon Harrison`
date: 2007-01-14 18:55:50
subject: Re: JFS use

On Sun, 14 Jan 2007 14:37:34 -0800, jmiranda wrote:

>
>
>Can I have a HPFS bootable drive and the other partition/volumes as JFS 
>drives?

Yes, I have C & Z as hpfs & D,E,F as JFS.

>Are there any config.sys order requirements (I read that unicode.sys 
>should precede jfs.ifs) ?

A snippet of the top of my config.sys:

DEVICE=C:\OS2\BOOT\UNICODE.SYS
IFS=C:\OS2\JFS.IFS /LW:5,20,4 /AUTOCHECK:DEF
IFS=C:\OS2\HPFS.IFS /CACHE:2048 /CRECL:4 /AUTOCHECK:CZ
rem IFS=C:\OS2\JFS.IFS /LW:5,20,4 /AUTOCHECK:*
REM IFS=C:\OS2\JFS.IFS /LW:5,20,4 /AUTOCHECK:DE
IFS=C:\OS2\BOOT\FAT32.IFS /CACHE:2048 /H /Q
IFS=C:\OS2\NTFS.IFS /AUTOCHECK:* /V
REM NTFS won't mount if dirty.  Use ntfschk, see doc's

Be sure to read the different options for running jfs.ifs.

Also, I just noticed that I have jfs loading before hpfs.  I had it
other way around, hpfs first and I am guessing the recent jfs patch
I applied turned it around for me.  Because I have jfs.ifs on a
hpfs drive, if I have a crash, when starting up the jfs partitions
may fail to load because they will not be able to run jfschk32
because the chkdsk for hpfs has not run first.  That would mean
rebooting after the hpfs chkdsk is run.  I'll turn this back around
and load hpfs.ifs first.  Maybe a more knowledgable person can
comment on this.

>Can I run Virtual PC in a JFS drive (is there some programs that could 
>not be run in a JFS drive)?

I run vpc on a jfs drive.  No problems in the several years I have
done it.  

Jon



 
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