From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: Re: [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no management Date: Mon, 16 Nov 2015 13:10:06 +0100 Message-ID: <5649C79E.9070603@suse.de> References: <1444830904.2220.28.camel@HansenPartnership.com> <561EA018.7020700@suse.com> <1444848835.2220.50.camel@HansenPartnership.com> <5644BEE1.3010208@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: "Martin K. Petersen" , Lee Duncan 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 11/13/2015 10:54 PM, Martin K. Petersen wrote: >>>>>> "Lee" =3D=3D Lee Duncan writes: >=20 >>> Well, I'm a bit worried about the loss of a monotonically increasin= g >>> 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. >=20 > That's a feature that I would absolutely hate to lose. I spend a huge > amount of time looking at system logs. >=20 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 --=20 Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N=FCrnberg GF: F. Imend=F6rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N=FCrnberg)