Re: USB Live and UnionFS

Top Page
Attachments:
Message as email
+ (text/plain)
+ signature.asc (application/pgp-signature)
+ (text/plain)
Delete this message
Reply to this message
Author: Joseph Sinclair
Date:  
To: Main PLUG discussion list
Old-Topics: Re: USB Live Ubuntu Persistence
Subject: Re: USB Live and UnionFS
Eric Shubert wrote:
> Joseph Sinclair wrote:

<<TRIM>>
>> Most mixed live/persistent distros use a single file loopback mounted as the overlay filesystem (via overlayfs or unionfs), including IIRC Ubuntu live/USB. As such, the entire persistent partition is, indeed, limited to the *file* size limit of the host partition.
>> Most virtual machine systems have similar problems (which is one more reason why it's good to *not* put virtual disk files on systems using FAT or NTFS, poor windows users...).
>>
>
> Thanks for chiming in on this, Joseph. I'm not terribly familiar with
> unionfs/aufs, just enough to be dangerous. ;)
>
> Can you say then, whether this single-file aspect is true for all
> union/aufs implementations, or is it only because of the way it's used
> by persistent distros? TIA.
>


I've mostly seen it with loop mounted files. I think (not sure) that UnionFS allows other filesystem combinations, but I've never seen that in practice.

---------------------------------------------------
PLUG-discuss mailing list -
To subscribe, unsubscribe, or to change your mail settings:
http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss