FreeBSD multi Lun detection query

Desai, Kashyap Kashyap.Desai at lsi.com
Wed Apr 4 05:33:12 UTC 2012


Hi,

Our test team has one test case, where they need to verify multi lun detection by FreeBS8.2 OS.
Here are the steps to reproduce.

Step 1: Configured Multi-Luns in RBOD (DOTHILL) and map to controller which is booted with FreeBSD
Step 2: Issue the command "camcontrol rescan all" and "camcontrol dev"

Expected Result: the command should display all the configured luns

Actual Result: Only the first Lun is discovered

Note: When we issue explicit scan using "camcontrol rescan bus:target:lun", it detects that specific lun.

Query: How does FreeBSD detect multi luns ? Driver issue XPT_BUS_RESCAN and expect OS should detect both the luns.
Is there any limitation associated with multi lun in FreeBSD ?


Thanks, Kashyap


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