From: Hannes Reinecke <hare@suse.de>
To: "Martin K. Petersen" <martin.petersen@oracle.com>,
Lee Duncan <lduncan@suse.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
Tejun Heo <tj@kernel.org>, Hannes Reinecke <hare@suse.com>,
Johannes Thumshirn <jthumshirn@suse.de>,
Christoph Hellwig <hch@infradead.org>
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 [thread overview]
Message-ID: <5649C79E.9070603@suse.de> (raw)
In-Reply-To: <yq1ziyhy38c.fsf@sermon.lab.mkp.net>
On 11/13/2015 10:54 PM, Martin K. Petersen wrote:
>>>>>> "Lee" == Lee Duncan <lduncan@suse.com> 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
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
next prev parent reply other threads:[~2015-11-16 12:10 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-07 23:51 [PATCHv4 0/1] Update SCSI hosts to use ida for host number mgmt Lee Duncan
2015-10-07 23:51 ` [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no management Lee Duncan
2015-10-14 12:22 ` Johannes Thumshirn
2015-10-14 13:55 ` James Bottomley
2015-10-14 18:34 ` Lee Duncan
2015-10-14 18:53 ` James Bottomley
2015-10-14 21:21 ` Lee Duncan
2015-10-15 5:52 ` Hannes Reinecke
2015-10-16 20:03 ` Lee Duncan
2015-10-16 20:03 ` Lee Duncan
2015-10-16 20:14 ` Greg KH
2015-10-16 20:14 ` Greg KH
2015-11-12 16:31 ` Lee Duncan
2015-11-13 21:54 ` Martin K. Petersen
2015-11-16 12:10 ` Hannes Reinecke [this message]
2015-11-16 21:47 ` Lee Duncan
2015-11-17 23:20 ` Martin K. Petersen
2015-12-10 21:48 ` Lee Duncan
2015-12-11 15:31 ` Ewan Milne
2015-12-13 19:16 ` Lee Duncan
2015-12-14 15:07 ` Ewan Milne
2015-12-14 15:29 ` Hannes Reinecke
2015-12-14 15:29 ` Hannes Reinecke
2015-12-15 1:55 ` Martin K. Petersen
2015-12-17 19:24 ` Lee Duncan
2016-01-04 19:45 ` Lee Duncan
2016-01-05 23:53 ` Martin K. Petersen
2016-01-20 19:49 ` Lee Duncan
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