On 01.06.11 09:34, TJ Varghese wrote:
SuperMicro AOC-USAS2-L8i works exceptionally well. These are 8-port HBAs
using the LSI1068 chipset, supported by the mpt(4) driver. Support 3 Gpbs
SATA/SAS, using multi-lane cables (2 connectors on the card, each connector
supports 4 SATA ports), hot-plug, hot-swap.
The USAS2 (6Gbps) is supported by the mps driver (on -CURRENT, not sure if
it's in 8-STABLE yet). Perhaps you're referring to the earlier USAS which
does 3Gbps and is supported by the mpt driver.
One should also bear in mind, that the 1068e based controllers
(AOC-USAS-L8i) apparently have 2TB drive size limitation, therefore
cannot be used with current 3TB (and who knows what capacities by the
end of the year) drives. Otherwise, this is an well supported, high
performance, stable and relatively cheap HBA to consider. The SAS2 (LSI
2008 based) HBAs are also good, despite some firmware issues (mostly are
related to use with SAS expanders) and do not have obvious limitations
yet. These might be just a bit more expensive, but my Supermicro
supplier advised delivery times for the older SAS (3Gbps) versions would
be much longer.
Daniel
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