some thoughts about gmirror
R. B. Riddick
arne_woerner at yahoo.com
Sat Apr 7 06:32:25 UTC 2007
--- Mike Wolman <mike at nux.co.uk> wrote:
> It could also be used for asynchronous mirrors over slow links, if the log
> device was always written to first then the write latency for long distant
> links could be removed. Im not sure if it would be possible to achieve
> this using just a modified ggatec instead which has a local device used
> as a write cache.
Sounds like rsync can already do that (I am not sure right now, if rsync can
find updated areas within a large file, or if it just copies the while updated
file even if it is a large one)...
Furthermore the remote consumer of that gmirror couldnt be mounted RW, if it
uses UFS, because UFS doesnt allow multiple RW mounts at the same time...
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