On Tuesday 08 December 2009 17:41:45 Jeff Blank wrote:
> Hi,
>
> I'm having a little trouble using the "virtual media" function of
> Dell's PowerEdge R-series (R710 in this case) iDRAC6 under FreeBSD
> (7.1, 8.0). This is presented as /dev/cd0, a USB/"SCSI" device, I
> guess. This is in the dmesg buffer when I boot up the existing 7.1
> installation with the virtual optical drive mapped to the 8.0-RELEASE
> amd64 DVD image:
>
> umass0: <Avocent USB Composite Device-1, class 0/0, rev 2.00/0.00, addr 2>
> on uhub6 [...]
> cd0 at umass-sim0 bus 0 target 0 lun 0
> cd0: <iDRAC Virtual CD 0323> Removable CD-ROM SCSI-0 device
> cd0: 40.000MB/s transfers
> cd0: cd present [1058105 x 2048 byte records]
> GEOM_LABEL: Label for provider cd0 is iso9660/FreeBSD_Install.
>
> However,
> # mount -t cd9660 /dev/cd0 /mnt
> mount_cd9660: /dev/cd0: Invalid argument
I see exactly the same problem, also on an R710 (very annoying - I had to walk
all the way down the corridor to install 8.0 on it :-)
Messing around with it a bit more post-install, I did discover one interesting
thing:
(501) ~ $ sudo mount_cd9660 -v /dev/cd0 /mnt
Password:
using starting sector 512
mount_cd9660: /dev/cd0: Invalid argument
(502) ~ $ sudo mount_cd9660 -s0v /dev/cd0
(503) ~ $ ls /mnt
8.0-RELEASE/ README.TXT dev/ packages/ sys@
COPYRIGHT RELNOTES.HTM docbook.css proc/ tmp/
ERRATA.HTM RELNOTES.TXT etc/ rescue/ usr/
ERRATA.TXT bin/ lib/ root/ var/
HARDWARE.HTM boot/ libexec/ rr_moved/
HARDWARE.TXT boot.catalog media/ sbin/
README.HTM cdrom.inf mnt/ stand@
So it appears to work if I force the starting sector to be zero. I see the
same result with an RHEL5 DVD image:
(504) ~ $ sudo umount /mnt
(505) ~ $ sudo mount_cd9660 -v /dev/cd0 /mnt
using starting sector 512
mount_cd9660: /dev/cd0: Invalid argument
(506) ~ $ sudo mount_cd9660 -s0 /dev/cd0 /mnt
(507) ~ $ ls /mnt
Cluster/ RELEASE-NOTES-U2-de.html
ClusterStorage/ RELEASE-NOTES-U2-en.html
EULA RELEASE-NOTES-U2-es.html
GPL RELEASE-NOTES-U2-fr.html
README-as.html RELEASE-NOTES-U2-gu.html
README-bn.html RELEASE-NOTES-U2-hi.html
README-de.html RELEASE-NOTES-U2-it.html
README-en RELEASE-NOTES-U2-ja.html
[...]
RELEASE-NOTES-U1-ta.html Server/
RELEASE-NOTES-U1-te.html TRANS.TBL
RELEASE-NOTES-U1-zh_CN.html VT/
RELEASE-NOTES-U1-zh_TW.html eula.en_US
RELEASE-NOTES-U2-as.html images/
RELEASE-NOTES-U2-bn.html isolinux/
(508) ~ $ sudo umount /mnt
Also the same result with a CD (as opposed to DVD) image.
I've no idea if the problem lies in the virtual media driver or in FreeBSD,
but maybe someone who understands these things would like to investigate?
This machine is going into production in a couple of weeks time. I can run
reasonable experiments on it until then, time permitting.
Thanks,
Scott
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