AW: only 8 LUNs on MPT

[d_elbracht]

adding 

kern.cam.cam_srch_hi=1

to /boot/loader.conf did not change anything.
still da52 remains the highest device. I would expect da53 to show up.

did I miss something ?

Dieter

 

> -----Ursprüngliche Nachricht-----
> Von: owner-freebsd-scsi at freebsd.org 
> [mailto:owner-freebsd-scsi at freebsd.org] Im Auftrag von Scott Long
> Gesendet: Freitag, 7. März 2008 15:36
> An: d_elbracht
> Cc: freebsd-scsi at freebsd.org
> Betreff: Re: only 8 LUNs on MPT
> 
> d_elbracht wrote:
> > we are using LSIs 3801E HBA to connect Infortrends S16S-G1030+JBOD 
> > (e.g. 32 disks, 16 x RAID0, 16 LUNs) to an AMD64 machine.
> > 
> > the Infortrend Box is momentarily configured with 9 LUNs.
> > 
> > When booting only 8 LUNs (da45 to da52) show up
> > 
> > da45 at mpt0 bus 0 target 10 lun 0
> > da45: <IFT S16S-G1030 361F> Fixed Direct Access SCSI-4 device
> > da45: 300.000MB/s transfers
> > da45: Command Queueing Enabled
> > da45: 1430288MB (2929229824 512 byte sectors: 255H 63S/T 182336C)
> > da46 at mpt0 bus 0 target 10 lun 1
> > .....
> > da52 at mpt0 bus 0 target 10 lun 7
> > da52: <IFT S16S-G1030 361F> Fixed Direct Access SCSI-4 device
> > da52: 300.000MB/s transfers
> > da52: Command Queueing Enabled
> > da52: 1430288MB (2929229824 512 byte sectors: 255H 63S/T 182336C)
> > 
> > "camcontrol reportluns 2:10"
> > shows: "9 LUNs found"
> > 
> > how to get more that 8 LUNs to map?
> > 
> > May be, some limitation somewhere in the code for MPT ?
> > 
> > any help would be appreciated.
> > 
> 
> The following sysctl/tunable must be set:
> 
> kern.cam.cam_srch_hi=1
> 
> This can be set via either /boot/loader.conf, 
> /etc/sysctl.conf, or directly by running the sysctl command.
> 
> Scott
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