FreeBSD and iSCSI for disks.

Danny Braniss danny at cs.huji.ac.il
Thu Apr 9 14:32:09 UTC 2009


> Danny Braniss wrote:
> >> This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
> >> --------------enig90DADA8437A99D893FB775F8
> >> Content-Type: text/plain; charset=3DUTF-8
> >> Content-Transfer-Encoding: quoted-printable
> >>
> >> Danny Braniss wrote:
> >>>> Garance A Drosihn wrote:
> >>>>> Some friends of mine are looking at the new "DroboPro", which makes=
>  a=3D
> >>>>> lot of disk space available via iSCSI (in addition to firewire 800)=
> ,
> >>>>> and they were wondering how well iSCSI works with FreeBSD.  I haven=
> 't=3D
> >>>>> paid attention to iSCSI support.  Is there anyone using it heavily
> >>>>> for disk-storage under FreeBSD?  Has there been much changed for
> >>>>> iSCSI support in the 8.x branch, or is 7.x support working fine?
> >>>> I suppose you are interested in the "client" (initiator) side of iSC=
> SI=3D
> >>>> support. It hasn't changed much between 7.x and 8.x but there are
> >>>> apparently some announcements of a newer version:
> >>>>
> >>>> http://lists.freebsd.org/pipermail/freebsd-scsi/2009-March/003834.ht=
> ml=3D
> >>>> I can't find any more information on it.
> >>> the latest is in:
> >>> 	http://www.cs.huji.ac.il/~danny/ftp/freebsd/iscsi-2.1.1.tar.gz
> >> Thanks!
> >>
> >> Is there anything in particular you'd like to get tested in the new
> >> version, any significant changes or improvements?
> > mainly fixed some bugs, and some code cleanup.
> >=20
> > give it a spin, and let me know what target you are testing.
> > btw, the default tag opening is a bit concervative (1), you might want =
> to
> > change it to somewhat larger, say 64 or 128.
> 
> Hi,
> 
> "camcontrol tags" hangs:
> 
> Apr  9 15:36:36 terminator kernel: da3 at iscsi0 bus 0 target 1 lun 0
> Apr  9 15:36:36 terminator kernel: da3: <FreeBSD iSCSI DISK 0001> Fixed
> Direct Access SCSI-5 device
> Apr  9 15:36:38 terminator kernel: (da2:iscsi0:0:0:0): lost device
> Apr  9 15:36:38 terminator kernel: (da2:iscsi0:0:0:0): removing device en=
> try
> terminator:~ivoras/temp/sbin/iscontrol# ls /dev/da*
> /dev/da0     /dev/da0s1   /dev/da0s1a  /dev/da0s1b  /dev/da0s1c
> /dev/da1     /dev/da3
> terminator:~ivoras/temp/sbin/iscontrol# camcontrol tags da3
> 
> 
> The configuration is:
> 
> target0 {
>         targetaddress =3D 161.53.72.65
>         targetname =3D iqn.2007-09.jp.ne.peach:disk1
>         tags =3D 16
> }
> 

Q: what kernel?
Q: what target?

btw, without the camcontrol tags, is it working?

danny




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