On Wed, Sep 21, 2011 at 07:28:26AM -0400, Justin Piszcz wrote: > Hi, > > Incase anyone is wondering the same thing, I contacted Highpoint and they > said (confirmed) the 620 support (which I am using now) is built-in to > the kernel and the 640 is not, so unless you like compiling kernel > modules/out of tree drivers for a _boot_ volume and want a regular SATA > 6.0gbps controller that supports TRIM, I'd go for the 620 even though it > maxes out around 390-420MiB/s read where a real SAS controller supports > 490-500MiB/s for an Intel 510 SSD, but remember, SAS controllers (at > least the one I tested with does not support TRIM and there is no Intel > SSD optimizer for Linux. > Hmm.. does SAS "SCSI UNMAP" automatically get translated to ATA TRIM if you hook up SATA disk to SAS HBA ? Is the ATA<->SCSI translation being done by the HBA firmware, or is it handled in the driver? -- Pasi (who is too lazy to grep in the driver right now ;) > Justin. > > On Mon, 19 Sep 2011, Justin Piszcz wrote: > >> Hi, >> >> I have a HighPoint RocketRaid 620 and it works fine with 3.0+. >> The HighPoint RocketRaid 640 also has a Marvell 88SE9128, can anyne >> confirm whether this (x4) PCI-e 2.0 card works in Linux with the >> built-in kernel driver? >> >> Justin. >> > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html