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. […]
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