Mailing List Archive

max_loop
I notice that I can only start up 8 guest domains from VBDs. When I try
to add a ninth:

Error: vbd: Segment not found: uname=file:/path/to/image

Perhaps this is the problem? From dmesg:

loop: loaded (max 8 devices)

According to drivers/block/loop.c, this can be changed by passing
max_loop=<1-255> to the kernel on boot. Should this be added to the FAQ?

--
Robert Edmonds


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RE: max_loop [ In reply to ]
> I notice that I can only start up 8 guest domains from VBDs.
> When I try to add a ninth:
>
> Error: vbd: Segment not found: uname=file:/path/to/image
> According to drivers/block/loop.c, this can be changed by
> passing max_loop=<1-255> to the kernel on boot. Should this
> be added to the FAQ?

I've added this to the FAQ -- thanks!

Mark: Any chance your script could spot when the kernel is out of loop
devices and cause a more useful error message to be generated?

Thanks,
Ian


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