[tahoe-dev] [jbglaw at lug-owl.de: [linux-lvm] Distributed LVM/filesystem/storage]

[Jan-Benedict Glaw]

Hi!

I initially started this as a thread on linux-lvm at redhat.com, but the
more I read and think about the topic, I get the impression that a
more P2P-alike approach fits my needs the most. It would be nice if
you'd comment on that as well.

Thanks a lot, JBG

----- Forwarded message from Jan-Benedict Glaw <jbglaw at lug-owl.de> -----
Date: Fri, 30 May 2008 01:12:13 +0200
From: Jan-Benedict Glaw <jbglaw at lug-owl.de>
To: linux-lvm at redhat.com
Subject: [linux-lvm] Distributed LVM/filesystem/storage

Hi!

I'm just thinking about using my friend's overly empty harddisks for a
common large filesystem by merging them all together into a single,
large storage pool accessible by everybody.

However I still fail to find a good approach. One initial idea was to
export all physical volumes (partitions or full disks) vie NBD, join
them all on a single machine into one VG/LV, create a filesystem and
re-export that via NFS/SMB/...  However, all data would need to go
through the net twice. While speed isn't the most important thing here
(but storage is!), that's way suboptimal.

I also thought about something like tahoe (www.allmydata.org), or
other P2P based approaches like Freenet, but I'm not sure if that's a
good start.

It would be nice to see if anybody of you did the same before (merging
the free space from a lot computers into one commonly used large
filesystem), if it was successful and what techniques
(LVM/NBD/DM/MD/iSCSI/Tahoe/Freenet/Other P2P/...) you used to get there,
and how well that worked out in the end.

Thanks, JBG

-- 
      Jan-Benedict Glaw      jbglaw at lug-owl.de              +49-172-7608481
Signature of:               http://www.eyrie.org/~eagle/faqs/questions.html
the second  :



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----- End forwarded message -----

-- 
      Jan-Benedict Glaw      jbglaw at lug-owl.de              +49-172-7608481
Signature of: 23:53 <@jbglaw> So, ich kletter' jetzt mal ins Bett.
the second  : 23:57 <@jever2> .oO( kletter ..., hat er noch Gitter vorm Bett, wie früher meine Kinder?)
              00:00 <@jbglaw> jever2: *patsch*
              00:01 <@jever2> *aua*, wofür, Gedanken sind frei!
              00:02 <@jbglaw> Nee, freie Gedanken, die sind seit 1984 doch aus!
              00:03 <@jever2> 1984? ich bin erst seit 1985 verheiratet!
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