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From: "d_elbracht" <d_elbracht@ecngs.de>
To: "'Scott Long'" <scottl@samsco.org>
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Date: Fri, 7 Mar 2008 15:55:03 +0100
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Cc: freebsd-scsi@freebsd.org
Subject: AW: only 8 LUNs on MPT
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adding=20

kern.cam.cam_srch_hi=3D1

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

=20

> -----Urspr=FCngliche Nachricht-----
> Von: owner-freebsd-scsi@freebsd.org=20
> [mailto:owner-freebsd-scsi@freebsd.org] Im Auftrag von Scott Long
> Gesendet: Freitag, 7. M=E4rz 2008 15:36
> An: d_elbracht
> Cc: freebsd-scsi@freebsd.org
> Betreff: Re: only 8 LUNs on MPT
>=20
> d_elbracht wrote:
> > we are using LSIs 3801E HBA to connect Infortrends S16S-G1030+JBOD=20
> > (e.g. 32 disks, 16 x RAID0, 16 LUNs) to an AMD64 machine.
> >=20
> > the Infortrend Box is momentarily configured with 9 LUNs.
> >=20
> > When booting only 8 LUNs (da45 to da52) show up
> >=20
> > 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)
> >=20
> > "camcontrol reportluns 2:10"
> > shows: "9 LUNs found"
> >=20
> > how to get more that 8 LUNs to map?
> >=20
> > May be, some limitation somewhere in the code for MPT ?
> >=20
> > any help would be appreciated.
> >=20
>=20
> The following sysctl/tunable must be set:
>=20
> kern.cam.cam_srch_hi=3D1
>=20
> This can be set via either /boot/loader.conf,=20
> /etc/sysctl.conf, or directly by running the sysctl command.
>=20
> Scott
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