Re: [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no management

From: Lee Duncan
Date: Mon Nov 16 2015 - 16:47:47 EST


On 11/16/2015 04:10 AM, Hannes Reinecke wrote:
> On 11/13/2015 10:54 PM, Martin K. Petersen wrote:
>>>>>>> "Lee" == Lee Duncan <lduncan@xxxxxxxx> writes:
>>
>>>> Well, I'm a bit worried about the loss of a monotonically increasing
>>>> host number from the debugging perspective. Right now, if you look
>>>> at any log, hostX always refers to one and only one incarnation
>>>> throughout the system lifetime for any given value of X.
>>
>> That's a feature that I would absolutely hate to lose. I spend a huge
>> amount of time looking at system logs.
>>
> Right. Then have it enabled via a modprobe parameters.
>
> We actually had customers running into a host_no overflow due to
> excessive host allocations and freeing done by iSCSI.
>
> Cheers,
>
> Hannes
>

Martin: I will be glad to update the patch, creating a modprobe
parameter as suggested, if you find this acceptable.
--
Lee Duncan
SUSE Labs
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