February 24, 2023 – Dan Langille's Other Diary

Dan makes another zpool

I spent my lunch, and most of my mortgage payment, on 4 x 4TB Blue 4TB SSD 3D NAND (WDS400T2B0A). In this post: FreeBSd 13.1 smartctl output partition creation zpool creation In they go This is them, being inserted into the system: I am concerned by that 150.000MB/s transfers smartctl Let’s look at the smartctl output, just in cases there are returns. What speed can that drive do? I was concerned about that […]

Feb 24 2023

booting without mrsas driver – lots of errors

Leave a Comment / FreeBSD, ZFS / By Dan Langille / February 24, 2023

Today I noticed that all the drives in the R730 host had 150MB/s speeds mentioned in the boot messages. They are all SSDs on an SAS bus. They should be at 600.000MB/s. The HBA in question is a AVAGO MegaRAID SAS FreeBSD (aka PERC H730P Mini). It can use either the mfi driver (default) or the mrsas driver (by setting hw.mfi.mrsas_enable=”1″ in /boot/loader.conf This is an SSD in a PCIe slot: This is

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