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2x2
2009 Nov 17
13
ZFS storage server hardware
...r each expander.
Cases like the Supermicro 846E1-R900B have 24 hot swap bays accessible
via a single (4u) LSI SASX36 SAS expander chip, but I''m worried about
controller death and having the backplane as a single point of failure.
I guess, ideally, I''d like a 4u enclosure with 2x2u SAS expanders. If I
wanted hardware redundancy, I could then use mirrored vdevs with one
side of each mirror on one controller/expander pair and the other side
on a separate pair. This would allow me to survive controller or
expander death as well hard drive failure.
Replace motherboard: ~50...