Tag: lsi

Not-so random thoughts on LSI HBAs again (#P34F1)

A couple months ago I scraped on the surface of the topic of LSI debranding/crossflashing. Now’s a good time to visit that again, since I got another branded LSI card that I wanted free of the manufacturers old firmware and the “hey look at meeee, I’m a veeeery special controller” look in any device tree. Yes, we know you’re special, but the annoying kind of special. You’ve likely been the default card in tens of thousands of servers or the only (supported) choice people had when opting for external SAS. […]


Random thoughts on Supermicro Risers, LSI LBAs, power supplies, ZFS and other fun server things (#P34)

With the failed 450W SFX power supply separated into a regular post last week, now’s the time to waffle on about what happened besides that.

Well, Solaris 11.4 (evil developer/home use licensing, so no current service packs) still uses minimal ashift as default instead of a fixed value of 12. ashift is the exponent of the power of 2 that is used as smallest assignable portion of data, so basically sector size. “Old” default is 9, as 2^9 is the well known 512 byte sector size that most old hard disks had as both logical and physical size, and which they reported as such. […]