Date: Sat, 22 Apr 2000 02:18:24 -0400 From: Neill Robins <freebsd@nc.rr.com> To: freebsd-newbies@freebsd.org Subject: Re: Newbie Question Message-ID: <1396.000422@nc.rr.com> In-Reply-To: <20000422080748.A263@alanis.mini.net> References: <20000422080748.A263@alanis.mini.net>
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Correct, it is the bootable extension. Here is some good info on El Torito, if you would like to find out more. http://www.ptltd.com/products/specs-cdrom.pdf Neill Saturday, April 22, 2000, 2:07:48 AM, you wrote: PH> On Fri, Apr 21, 2000 at 11:47:58PM -0600, Ryan Thompson wrote: >> Delmar W. Van Tassell, Jr. wrote to Questions@FreeBSD.ORG: >> >> > Hi there, >> > In the process of bringing up the latest build of FreeBSD, I ran across >> > the term "ElTorito" format re: CDroms. What does this mean? >> >> Someone may correct me on this, but I *belive* the ElTorito format is an >> extension on ISO9660 (which may or may not be compatible with the ISO9660 >> spec) that allows for Windows' long filenames. However, to my knowledge, >> the ISO9660 is the ONLY recommended format for cross-platform CDROMS (not >> necessarily a limitation of FreeBSD). PH> ok, i'll correct you ;) the thing you mean is joliet. the unix pendant is called rockridge. PH> anyway el torito is an extesnsion, which emulates a floppy drive from cd, so the cd is bootable. so if you want to burn a bootable cd, the burning software will ask you for a boot floppy image. >> >> >> > Also, how >> > does one mount CD's without getting "Illegal Superblock" >> > >> > Many Thanks, Del >> >> "Illegal superblock" means the filesystem format being mounted (or, more >> correctly, the block device being mounted) was not recognized. If you get >> this error mounting one of those ElTorrito discs, and NOT when mounting >> genuine ISO discs, chances are ElTorrito is a Bad Idea :-) Again, I don't >> consider myself an expert on CD-ROM formats, but I DO know how to practice >> common sense :-) >> >> Or, you may be mounting your disc incorrectly. Assuming you have an empty >> /mnt directory, and that you are using an ATAPI CD-ROM (connected on your >> IDE controller), try something like this: >> >> mount -t cd9660 /dev/acd0a /mnt PH> i think this should solve the problem. in my first freebsd days i was used to the auto-regocnition of filesystems by linux, and i often got this error. :-) PH> btw. could alsao be mount_cd9660 .... PH> mine was automatically configured for mount /cdrom. how nice :) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-newbies" in the body of the message
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