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Comments: In-reply-to Oliver Pinter <oliver.pntr@gmail.com>
	message dated "Sun, 04 Jul 2010 14:40:52 +0200."
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Date: Sun, 04 Jul 2010 16:50:04 +0300
From: Daniel Braniss <danny@cs.huji.ac.il>
Message-ID: <E1OVPa9-0000JS-1t@kabab.cs.huji.ac.il>
Cc: Alexander Motin <mav@freebsd.org>,
	FreeBSD-Current <freebsd-current@freebsd.org>,
	Daisuke Aoyama <aoyama@peach.ne.jp>
Subject: Re: [Need Help]isboot (iSCSI boot driver) version 0.2.1 
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> iscsi initiator paniced over 4 dev, and the code has limitations of
> devices, it is hardcoded to 4
> 
> 9f2ae5be (scottl 2007-07-24 15:35:02 +0000  39) #define ISCSIDEV        "iscsi"
> 9f2ae5be (scottl 2007-07-24 15:35:02 +0000  40)
> 9f2ae5be (scottl 2007-07-24 15:35:02 +0000  41) #define
> ISCSI_MAX_TARGETS      4 //64
> 9f2ae5be (scottl 2007-07-24 15:35:02 +0000  42)
> 9f2ae5be (scottl 2007-07-24 15:35:02 +0000  43) #define ISCSI_MAX_LUNS
>          4
> 
> when setting this to 64, than paniced the kernel
> 

get
    ftp://ftp.cs.huji.ac.il/users/danny/freebsd/iscsi-2.2.4.tar.gz

but what does this have to to with the Subject:?

danny

> 
> On 7/4/10, Alexander Motin <mav@freebsd.org> wrote:
> > Daisuke Aoyama wrote:
> >>>> Notes/Known Issues/Limitations:
> >>>> FreeBSD can't use transfer length > 64KB.
> >>>
> >>> Since 8.0 FreeBSD can use any transfer lengths. 64K is a safety limit
> >>> for CAM SIMs that do not report maximum transfer size. If your driver
> >>> supports bigger transactions (and even if not), you should fill maxio
> >>> field in XPT_PATH_INQ response.
> >>
> >> I set maxio=1024*1024 in version 0.2.2. As a result, the request (each
> >> ccb)
> >> have 256 blocks (128KB). I don't know why it is 128KB.
> >
> > 128KB is a default MAXPHYS value. You may rise it in your kernel if you
> > want. I am successfully using 1MB MAXPHYS now.