[Owncloud] ideas for ownloud

[cloudfreak@mighty.co.za]

hi!

in the light of the recent incident with megaupload
owncloud should become more than only a interface to 
files on only one server.

i think owncloud need this features to become the best
cloud software ever ;) 

1) replicated back-storage:

additional to the (serverside) local storage, store
every file to other remote servers/services
(via webdav, ... )

this way a killed cloud service provider can not harm
your data anymore :) 

if the files are only stored remote the fingerprint
of the owncloud server will be very small.

2) hashing of (remote) stored files

add a hash of every remote stored file to the database
and verify it at loading it back

3) bundling of storage

bundle multiple remote services to a bigger one
for example use 10 (possible free) 1GB accounts
for a owncloud with 10GB storage

4) blockdevice(s)

this is a service primary for backup and not for
filesharing. to get the ideam somthing like
Amazon Elastic Block Store
(http://aws.amazon.com/ebs/)

this service should export a blockdevice via iscsi
(nbd, ...)

for example a 1GB blockdevice is splited in 1000 files
with filenames 0000000.blk to 0001000.blk and this
files are stored on the server/s.

every write to an area in the blockdevice is mapped
to one of the backing files transparently.

you can encrypt the blockdevice with a luks (dmcrypt)
partition and get a very secure storage for a
private backup.

such a device could/should only be accessed from
one client a time.

i hope this will start some discussions!

cloudfreak

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