Re: max_scsi_luns and 2.4.19-pre10.

From: Kurt Garloff (
Date: Wed Jun 26 2002 - 11:07:45 EST

Hi Austin,

On Wed, Jun 26, 2002 at 09:18:45AM -0500, Austin Gonyou wrote:
> On Wed, 2002-06-26 at 07:33, Kurt Garloff wrote:
> > enough guesses have been there not answering your questions ...
> Sure I hear that. But I posted an earlier question about QLA2200 and a

You don't think that somebody who reads your message and tries to post a
helpful comment scans the list for earlier messages of yours, do you?

> PV 660F and not seeing > 8 luns with 2.4.19-pre10.

This device needs BLIST_LARGELUN.

> I'll take a look at that, and see if I can merge it into -aa4.

The patch should be in there, just not the additional devices that need

> > The flag does allow a device to use more than 8 LUNs despite it reporting
> > as SCSI Version 2 devices (which can not support more than 8 LUNs normally
> > ...)
> > The flag also needs to be set for some more devices, look for DGC, DELL, CMD
> > and CNSi/CNSI devices that already have the BLIST_SPARSELUN flag.
> This would be a DELL device, so I'll see about changing it from


> > But as you did not post the output of /proc/scsi/scsi nor the syslog
> > meesages from your SCSI subsystem nobody knows what devices you're using or
> > what actually happens. Just speculations ...
> There's nothing to post from /proc/scsi/scsi or the syslog other than
> there's no more than 8 devices on my FC chain. I guess the real point
> here is that if you're using FC, you're probably going to use more than
> 8 luns, even if not immediately. Especially for large Databases.

People could have seen what SCSI device you're using.
So I could have told you instead of guessing and risking to add to the noise


Kurt Garloff  <>                          Eindhoven, NL
GPG key: See mail header, key servers         Linux kernel development
SuSE Linux AG, Nuernberg, DE                            SCSI, Security

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