From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Duncan Subject: Re: [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no management Date: Mon, 16 Nov 2015 13:47:08 -0800 Message-ID: <564A4EDC.8060805@suse.com> References: <1444830904.2220.28.camel@HansenPartnership.com> <561EA018.7020700@suse.com> <1444848835.2220.50.camel@HansenPartnership.com> <5644BEE1.3010208@suse.com> <5649C79E.9070603@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5649C79E.9070603@suse.de> Sender: linux-kernel-owner@vger.kernel.org To: Hannes Reinecke , "Martin K. Petersen" Cc: James Bottomley , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Tejun Heo , Hannes Reinecke , Johannes Thumshirn , Christoph Hellwig List-Id: linux-scsi@vger.kernel.org On 11/16/2015 04:10 AM, Hannes Reinecke wrote: > On 11/13/2015 10:54 PM, Martin K. Petersen wrote: >>>>>>> "Lee" == Lee Duncan 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