On Thu, Mar 04, 2021 at 08:09:46AM -0500, Greg Wooledge wrote: > to...@tuxteam.de (to...@tuxteam.de) wrote: > > > 1x 4TB, single drive, 3.7 TB, w=108MB/s , rw=50MB/s , > > > r=204MB/s > > > 2x 4TB, mirror (raid1), 3.7 TB, w=106MB/s , rw=50MB/s , r=488MB/s > > > Thanks. Real data :) > > > > The doubling in read throughput is somewhat surprising to me. Some > > learning to do, it seems. > > There are two copies of everything. So, if you need to read a big > file, you can read half of it from disk 1 and the other half from disk 2, > roughly simultaneously.
Makes sense, thanks. Cheers - t
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