quoted

quoted

quoted

255 data disks is the theoretical limit for GF(2⁸). [ ... ]

quoted

quoted

The reason to use many disks is in case of geo-redundant RAID,
for example with iscsi.  In this situation you want to have a
lot of redundance, in parities, not mirror.

quoted

[ ... ] extreme requirements implied by that why not use self
repairing coding similarly to Parchive style storage formats,
[ ... ]

it depends on other requirements, for example if you want to
control your file or let the control to the "cloud".  In case
of RAID, the cloud sees only raw bytes and the local host sees
the files too. In case of par2, the cloud must see the
files. [ ... ]

Perhaps it was not clear that "use self repairing coding
similarly to Parchive" does not mean the same as "use Parchive".

Applying self repairing coding to RAID might be easier to
imagine considering of a RAID volume as a directory of
stripe-sized files.
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