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Bug 13173 - LiveCD should be able to boot entirely into tmpfs as an option
Summary: LiveCD should be able to boot entirely into tmpfs as an option
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Release Media
Classification: Unclassified
Component: Everything (show other bugs)
Hardware: x86 Linux
: Lowest enhancement (vote)
Assignee: Daniel Robbins (RETIRED)
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2003-01-03 12:26 UTC by Dirk Steinberg
Modified: 2003-02-04 19:42 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Dirk Steinberg 2003-01-03 12:26:15 UTC
Is there any option to boot gentoo-basic-x86-1.4_rc2.iso
entirely into tmpfs instead of using cloop?

I find cloop to be quite inconvenient, at least for the basic CD with 40MB.
I don't think it's worth the trouble just for a 27 MB cloop file. It's OK for
things like KNOPPIX, where you have to fit an entire live filesystem onto
a single CD.

root@cheetah:pts/1 /export # ls -l /mnt/cdrom/livecd.cloop
-rw-r--r-- 1 1008 users 28321920 Jan 1 07:25 /mnt/cdrom/livecd.cloop

All my bigger computers have at least 1 Gig of RAM, and even the smaller
ones have 256-512 MB. Should be plenty to load everything into tmpfs.

/dws

PS: Background: I wanted to read an updated EVMS tarball from another
    CD and wanted to free the CD drive....see following text

I think the kernel portion was updated to EVMS 1.2.1, but
the user space part was not.

Since I want to install even root onto EVMS RAID5, this is very
inconvenient, especially since most stuff in /sbin, /lib, /usr ...
is read-only because of cloop. I managed to copy /mnt/cloop
into / (tmpfs) and to rearrange some symlinks to point to the
RW copy, but I cannot get the CDROM free to insert another
CD to read some updated stuff into the boot environment.
This is expected, of course, since the are tons of open libraries and stuff.

My question: How can I rebuild the bootcd with another version of the
EVMS utilities. Is there an ebuild for the boot cd?
Comment 1 Daniel Robbins (RETIRED) gentoo-dev 2003-01-03 22:31:39 UTC
At the boot prompt, type "gentoo cdcache". You can now umount /mnt/cdrom and
insert another CD. :)
Comment 2 Dirk Steinberg 2003-01-05 01:18:59 UTC
Thanks a lot. Works as advertised. That helps.

But maybe this option should be documented in the boot screen
and in the inistall guide. Did I miss something there?

/dws
Comment 3 Daniel Robbins (RETIRED) gentoo-dev 2003-01-13 23:29:17 UTC
On the 13 Jan 2003 livecd it is now documented. Thanks.