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Subject: FW: Playing around with fdisk
Date: Tue, 3 Apr 2007 14:41:49 -0700
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E022156F0@onstor-exch02.onstor.net>
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Thread-Topic: Playing around with fdisk
Thread-Index: AcXFXzpIxqqi7QqoSm63TFYIYCLs+mw2QQpQ
From: "Larry Scheer" <larry.scheer@onstor.com>
To: "Andy Sharp" <andy.sharp@onstor.com>

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Andy,
  Here is some of my old email I sent to Dan regarding the compact
flash.

_____________________________________________
From: Larry Scheer=20
Sent: Thursday, September 29, 2005 6:35 PM
To: Dan Stein
Subject: Playing around with fdisk

Dan I was able change the system type of the flash for the various
partitions using fdisk:

		fdisk /dev/hda
		Command (m for help): p

		Disk /dev/hda: 512 MB, 512483328 bytes
		16 heads, 63 sectors/track, 993 cylinders
		Units =3D cylinders of 1008 * 512 =3D 516096 bytes

		   Device Boot      Start         End      Blocks   Id
System
		/dev/hda1   *           1         496      249952+  83
Linux
		/dev/hda2   *         497         993      250488   a6
OpenBSD

		Command (m for help): w
		The partition table has been altered!

But I cannot make a ufs filesystem:

		mkfs -t ufs /dev/hda2
		mkfs.ufs: No such file or directory

Perhaps LFS has a better mkfs and fdisk utility.

Just FYI,

Larry

-----Original Message-----
From: Larry Scheer
Sent: Fri 9/30/2005 5:55 PM
To: Dan Stein
Cc: Larry Scheer; 'larry@tarot.xs.com'
Subject: Flash loaded with Debian
=20
I populated a flash with Debian Linux and placed a copy of
vmlinux.stripped at /=20

I am unsure of the diskload syntax so I tried a bunch of combinations.
My results are below:

		SSC-PROM> diskload vmlinux.stripped /dev/wd0a
		Loading file vmlinux.stripped...
		SOCKET A: CIS info: SanDisk, SDP, 5/3 0.6
		open err: vmlinux.stripped
		usage: diskload=20
		SSC-PROM> diskload /dev/wd0a/vmlinux.stripped
		Loading file /dev/wd0a/vmlinux.stripped...
		disk model: SanDisk SDCFB-512                      =20
		disk geometry: cylinders=3D993 heads=3D16 sectors=3D63
		open err: /dev/wd0a/vmlinux.stripped
		usage: diskload=20
		SSC-PROM> diskload /dev/wd0a vmlinux.stripped
		Loading file /dev/wd0a...
		disk model: SanDisk SDCFB-512                      =20
		disk geometry: cylinders=3D993 heads=3D16 sectors=3D63
		seek end err: /dev/wd0a
		usage: diskload=20
		SSC-PROM> diskload ?
		Loading file ?...
		open err: ?
		usage: diskload=20
		SSC-PROM>

I logged out of the console If you want to give 10.2.41.3 a go at
getting the diskload to work.

Larry



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<TITLE>FW: Playing around with fdisk</TITLE>
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<!-- Converted from text/rtf format -->

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">Andy,</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">&nbsp; Here is</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">some</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial"> of my old email I sent to Dan regarding the =
compact flash.</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma">_____________________________________________<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">From:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Larry Scheer<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Sent:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Thursday, September 29, =
2005 6:35 PM<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">To:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Dan Stein<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Subject:</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma"> Playing around with fdisk</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">Dan I =
was able change the system type of the flash for the various partitions =
using fdisk:</FONT></SPAN></P>
<UL><UL>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">fdisk =
/dev/hda</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">Command (m for help): p</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">Disk =
/dev/hda: 512 MB, 512483328 bytes</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">16 =
heads, 63 sectors/track, 993 cylinders</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">Units =
=3D cylinders of 1008 * 512 =3D 516096 bytes</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp; Device Boot&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
Start&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
End&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Blocks&nbsp;&nbsp; Id&nbsp; =
System</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">/dev/hda1&nbsp;&nbsp; =
*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
496&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 249952+&nbsp; 83&nbsp; =
Linux</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">/dev/hda2&nbsp;&nbsp; =
*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
497&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
993&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 250488&nbsp;&nbsp; a6&nbsp; =
OpenBSD</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">Command (m for help): w</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">The =
partition table has been altered!</FONT></SPAN></P>
</UL></UL>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">But I =
cannot make a ufs filesystem:</FONT></SPAN></P>
<UL><UL>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">mkfs =
-t ufs /dev/hda2</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">mkfs.ufs: No such file or directory</FONT></SPAN></P>
</UL></UL>
<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">Perhaps LFS has a better mkfs and fdisk =
utility.</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">Just =
FYI,</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">Larry</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">-----Original Message-----</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">From: Larry Scheer</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">Sent: Fri 9/30/2005 5:55 PM</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">To: Dan Stein</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">Cc: Larry Scheer; 'larry@tarot.xs.com'</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">Subject: Flash loaded with Debian</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">&nbsp;</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">I populated a flash with Debian Linux and placed a copy of =
vmlinux.stripped at / </FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">I am unsure of the diskload syntax so I tried a bunch of =
combinations. My results are below:</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">SSC-PROM&gt; diskload vmlinux.stripped =
/dev/wd0a</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">Loading file vmlinux.stripped...</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">SOCKET A: CIS info: SanDisk, SDP, 5/3 =
0.6</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">open err: vmlinux.stripped</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">usage: diskload </FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">SSC-PROM&gt; diskload =
/dev/wd0a/vmlinux.stripped</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">Loading file =
/dev/wd0a/vmlinux.stripped...</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">disk model: SanDisk =
SDCFB-512&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">disk geometry: cylinders=3D993 heads=3D16 =
sectors=3D63</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">open err: =
/dev/wd0a/vmlinux.stripped</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">usage: diskload </FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">SSC-PROM&gt; diskload /dev/wd0a =
vmlinux.stripped</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">Loading file /dev/wd0a...</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">disk model: SanDisk =
SDCFB-512&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">disk geometry: cylinders=3D993 heads=3D16 =
sectors=3D63</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">seek end err: /dev/wd0a</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">usage: diskload </FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">SSC-PROM&gt; diskload ?</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">Loading file ?...</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">open err: ?</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">usage: diskload </FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN =
LANG=3D"en-us">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Courier New">SSC-PROM&gt;</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">I logged out of the console If you want to give 10.2.41.3 a go at =
getting the diskload to work.</FONT></SPAN></P>

<P ALIGN=3DLEFT><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Courier =
New">Larry</FONT></SPAN></P>
<BR>

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