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Date:      Mon, 30 Jun 1997 17:04:24 -0500
From:      Tom Jackson <toj@gorilla.net>
To:        Philipp Reichmuth <chokepnt@prima.ruhr.de>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: EZ230 removable drive
Message-ID:  <19970630170424.37013@peeper.my.domain>
In-Reply-To: <33B76B4E.41C67EA6@prima.ruhr.de>; from Philipp Reichmuth on Mon, Jun 30, 1997 at 10:16:14AM +0200
References:  <33B76B4E.41C67EA6@prima.ruhr.de>

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On Mon, Jun 30, 1997 at 10:16:14AM +0200, Philipp Reichmuth wrote:
> Hi everyone!
> 
> I've got an EZflyer removable SCSI drive, and I seem to be unable to
> initialize it for use with FreeBSD.
> 
> /stand/sysinstall (from 2.1.7 since I ctm'ed to 2.2-stable) says "No
> disks found, check if your controller is configured aat boot time". I
> happen to know that it is because otherwise I wouldn't be able to boot
> my fs'es on sd0, and in fact it says:
> 

I have a ez230 and have found preparing a disk for fbsd troublesome.
First, for the sysinstall problem, grab a boot.flp for 2.2-stable. I'd
get the fixit.flp also and make sure they work for you (ftp.freebsd.org).
This will give you a uptodate sysinstall. (you will have to boot the
floppy and start an install on the ez230 disk only, quit once it is
labeled and newfs'd) this covers #1 below.
> 
Here's my disklabel (btw I'm running 3.0-current):

# /dev/rsd2c:
Type: SCSI
disk: ez230
label: 
flags: removeable
bytes/sector: 512
sectors/track: 32
tracks/cylinder: 64
sectors/cylinder: 2048
cylinders: 220
sectors/unit: 450560
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0		# milliseconds
track-to-track seek: 0	# milliseconds
drivedata: 0 

3 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:   450560        0    4.2BSD      512  4096     0 	# (Cyl.    0 - 219)
  c:   450560        0    unused        0     0       	# (Cyl.    0 - 219)

> Three Questions:
> 
> (1) What's Wrong with /stand/sysinstall?
> (2) What am I doing wrong with disklabel? (i.e. Do I have reason to feel
> silly?)

Make a disktab entry for your ez230 drive. Here's mine:



ez230|ezflyer 230MB Removable Cartridge :\
	:ty=removable:dt=SCSI:rm#3600:\
	:se#512:nt#64:ns#32:nc#220:sc#2048:su#450560:\
	:pa#450560:oa#0:ba#4096:fa#512:ta=4.2BSD:\
	:pc#450560:oc#0:

ez135|ez135 135MB Removable Cartridge :\
	:ty=removable:dt=SCSI:rm#3600:\
	:se#512:nt#64:ns#32:nc#128:sc#2048:su#262144:\
	:pa#262144:oa#0:ba#4096:fa#512:ta=4.2BSD:\
	:pc#262144:oc#0:

Sometimes disklabel works, other times not (haven't figured this out
yet). When it doesn't, use your boot disk/sysinstall to get a good
label on the disk, then redisklabel using your disktab entry, newfs
and your in business.

> (3) If /stand/sysinstall can't be fixed: is there any other way to
> quick'n'dirty initialize a disk for FreeBSD?
> 
> Oh, and BTW: Can I use 4.4LFS filesystems, what is the
> difference/advantage over 4.2BSD and what consequences do I have to
> dread? ;)
> 
> Hoping I specified my problem in enough detail...
> 
> Philipp
> 
> 
I have no idea about #3 ;-/

Hope this helps,

Tom



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