[Fedora-livecd-list] Help: How to enable rootfs in rw mode?

[Lee Eric]

Alan,

Thanks your reply. And here's /etc/sysconfig/readonly-root file
contents I created.

# Set to 'yes' to mount the system filesystems read-only.
READONLY=no
# Set to 'yes' to mount various temporary state as either tmpfs
# or on the block device labelled RW_LABEL. Implied by READONLY
TEMPORARY_STATE=yes
# Place to put a tmpfs for temporary scratch writable space
RW_MOUNT=/var/lib/stateless/writable
# Label on local filesystem which can be used for temporary scratch space
RW_LABEL=stateless-rw
# Options to use for temporary mount
RW_OPTIONS=
# Label for partition with persistent data
STATE_LABEL=stateless-state
# Where to mount to the persistent data
STATE_MOUNT=/var/lib/stateless/state
# Options to use for peristent mount
STATE_OPTIONS=

So obviously STATE_MOUNT I have set up. In this file is there any
option I need to change? You mean I could change this option properly
then /etc can unmount cleanly? And could you show me a link for
ovirt-node? I didn't find that.

Thanks very much.

Regards,

Eric

On Wed, Jul 21, 2010 at 5:53 PM, Alan Pevec <apevec at gmail.com> wrote:
> On Wed, Jul 21, 2010 at 3:36 AM, Lee Eric <openlinuxsource at gmail.com> wrote:
>> Thanks your solution. It seems work but after unmounting all file
>> systems it will show
>> umount: /etc: device is busy.
>> these error messages.
>>
>> So what I think is is there any better way to ignore such error? I
>> mean I don't wanna just simply do ">/dev/null 2>&1" such thing.
>
> If you set TEMPORARY_STATE=yes, files and folders from rwtab are in
> tmpfs so it doesn't really matter if it is cleanly unmounted or not,
> it will be lost anyway - important is that it doesn't hang.
> If you need persistence for this stateless setup, you can set
> persistent storage partition, STATE_MOUNT in
> /etc/sysconfig/readonly-root.
> See again ovirt-node for an example how is this used.
>
> Regards,
> Alan
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