yum with recent soas builds on XO-1
mikus at bga.com
Fri Aug 14 07:55:39 EDT 2009
Martin Dengler wrote:
>> Not sure about *that* mountpoint in particular, but a forest of
>> "invisible" tmpfs mounts is present in the XO image because we use
>> "stateless" Fedora.
>> This allows olpc-update to work its magic.
> This thread segment is about SoaS now (a bit OT for devel@, I agree),
> which is not doing anything like the initrd /versions hardlinking.
I do not understand the intent of the sentence immediately above.
Recently on F11-on-XO1, *both* when I am running a soas-stream
build, and when I am running a fedoraproject-stream build --
/etc/cache/yum ends up being mounted as a tmpfs. So whether the
mount is done "invisibly" (soas livesys) or "visibly" (fedora
initrd) ought not affect the discussion of whether putting
/etc/cache/yum onto a tmpfs is desirable for a memory-limited
platform such as the XO-1.
The comment in livesys says this is being done to save writing to
the overlay for caches. [Yet another situation where "mother knows
best" (i.e., configuration decisions are being made by the developer
for the end user).]
To me the interesting thing is that on fedoraproject-builds yum
(with its cache on tmpfs) works for me so far, while on SoaS3-builds
yum (with its cache on tmpfs) often fails. Yes, that may be about
SoaS now -- but ought to serve as a caution to all F11-on-XO1
developers that "independent" functions (such as 'yum') can end up
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