Broadcom 9308 IT vs IR

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gtech1

Member
May 27, 2019
79
7
8
I just realized a few of my servers fitted with 9308 cards are in IR mode instead of IT yet they work just as fine.

I always thought/knew that IR made meant the HBA doesn't present the drives directly to the OS, etc but that doesn't appear to be the case. The OS sees the drives directly/individually, despite the cards running IR firmware.

Am I missing something ?
 
G

Goose

New Member
Jan 16, 2019
21
7
3
Nope. There was a lot of FUD about IR vs IT mode.

Unless you configure an array in IR mode it just passes them through.

One distinction is that people flash their controllers not only to IT mode but they also remove the BIOS. It makes it boot quicker and wont hangup and wait if there is a configuration change.

I actually prefer to see what's going on preOS but each to their own.
 
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