Re: FreeBSD and iSCSI for disks.

2009-04-16 Thread Ключников А . С .
* Danny Braniss da...@cs.huji.ac.il [2009-04-08 15:54:25 +0300]:

 
  Garance A Drosihn wrote:
   Some friends of mine are looking at the new DroboPro, which makes a
   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
   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 iSCSI
  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.html
  
  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

I install this to freebsd 7.1 i386.
Target from zfs solaris 10 sparc64


iscontrol -c /etc/iscsi.conf -n myiscsi
Get loop creating da devices
kill iscontrol don`t work, kill -9 don`t work too.
kldunload -f iscsi_initiator.ko
fail system after 10-15 second (celeron 2000)

What can i do to get more info or solve problem?



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Re: FreeBSD and iSCSI for disks.

2009-04-16 Thread Ключников А . С .
* Danny Braniss da...@cs.huji.ac.il [2009-04-08 15:54:25 +0300]:

 
  Garance A Drosihn wrote:
   Some friends of mine are looking at the new DroboPro, which makes a
   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
   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 iSCSI
  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.html
  
  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

I install this to freebsd 7.1 i386.
Target from zfs solaris 10 sparc64


iscontrol -c /etc/iscsi.conf -n myiscsi
Get loop creating ad devices
kill iscontrol don`t work, kill -9 don`t work too.
kldunload -f iscsi_initiator.ko
fail system after 10-15 second (celeron 2000)

What can i do to get more info or solve problem?



-- 
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Re: FreeBSD and iSCSI for disks.

2009-04-16 Thread Ключников А . С .
* Danny Braniss da...@cs.huji.ac.il [2009-04-08 15:54:25 +0300]:

 
  Garance A Drosihn wrote:
   Some friends of mine are looking at the new DroboPro, which makes a
   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
   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 iSCSI
  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.html
  
  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

I install this to freebsd 7.1 i386.
Target from zfs solaris 10 sparc64


iscontrol -c /etc/iscsi.conf -n myiscsi
Get loop creating ad devices
kill iscontrol don`t work, kill -9 don`t work too.
kldunload -f iscsi_initiator.ko
fail system after 10-15 second (celeron 2000)

What can i do to get more info or solve problem?



-- 
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Re: FreeBSD and iSCSI for disks.

2009-04-09 Thread Danny Braniss
 This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
 --enig90DADA8437A99D893FB775F8
 Content-Type: text/plain; charset=UTF-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=
 
  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=
 
  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 iSCSI=
 
  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.html=
 
 
  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.

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.

cheers,
danny



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Re: FreeBSD and iSCSI for disks.

2009-04-09 Thread Goran Lowkrantz

Trying to build 2.1.1 on a CURRENT results in this:
=== iscsi/initiator (all)
cc -O2 -pipe -fno-strict-aliasing -Werror -D_KERNEL -DKLD_MODULE -nostdinc 
-DHAVE_KERNEL_OPTION_HEADERS -include 
/usr/obj/usr/src/sys/GENERIC/opt_global.h -I. -I@ -I@/contrib/altq 
-finline-limit=8000 --param inline-unit-growth=100 --param 
large-function-growth=1000 -fno-common -g -fno-omit-frame-pointer 
-I/usr/obj/usr/src/sys/GENERIC -mcmodel=kernel -mno-red-zone  -mfpmath=387 
-mno-sse -mno-sse2 -mno-sse3 -mno-mmx -mno-3dnow  -msoft-float 
-fno-asynchronous-unwind-tables -ffreestanding -fstack-protector 
-std=iso9899:1999 -fstack-protector -Wall -Wredundant-decls 
-Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith 
-Winline -Wcast-qual  -Wundef -Wno-pointer-sign -fformat-extensions -c 
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c: 
In function 'iscsi_open':
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c:120: 
error: invalid operands to binary 
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c:122: 
error: invalid operands to binary 
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c:126: 
error: invalid operands to binary 
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c: 
In function 'iscsi_close':
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c:149: 
error: invalid operands to binary 
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c:154: 
error: invalid operands to binary 
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c: 
In function 'iscsi_ioctl':
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c:184: 
error: invalid operands to binary 
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c:210: 
error: invalid operands to binary 
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c: 
In function 'iscsi_read':
/usr/src/sys/modules/iscsi/initiator/../../../dev/iscsi/initiator/iscsi.c:290: 
error: invalid operands to binary 


/glz

--On April 9, 2009 10:43:06 +0300 Danny Braniss da...@cs.huji.ac.il wrote:


This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
--enig90DADA8437A99D893FB775F8
Content-Type: text/plain; charset=UTF-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=

 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=

 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
 iSCSI=

 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.htm
 l=


 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.

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.

cheers,
danny



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... the future isMobile

 Goran Lowkrantz goran.lowkra...@ismobile.com
 System Architect, isMobile AB
 Sandviksgatan 81, PO Box 58, S-971 03 Luleå, Sweden
 Mobile: +46(0)70-587 87 82
http://www.ismobile.com ...
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Re: FreeBSD and iSCSI for disks.

2009-04-09 Thread Ivan Voras
Robert Blayzor wrote:
 On Apr 7, 2009, at 5:43 PM, Garance A Drosihn wrote:
 Some friends of mine are looking at the new DroboPro, which makes a
 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
 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?
 
 
 
 If you're looking for production ready iSCSI initiator support in
 FreeBSD, do yourself a favor, save some time, and look into something
 else.  Seriously, we went down this road just recently testing both
 FreeBSD 7.0/7.1 amd64 on various Dell servers with Intel (em) Gig-E
 NIC's and it was very easy to basically get the box to lock up solid
 and/or panic.  Our targets were both Netapp and Equallogic iSCSI SAN's. 
 We didn't have a lot of time to debug it, our setup was pretty simple..
 yet when we tried to run various simulated real world load on it the
 boxes just caved.  Even with jumbo frames enabled on the NIC's the
 performance was mediocre at best.  Unfortunately due a time constraint
 we had to move the clients to CentOS 5.2/5.3 and things have been very
 good so far.  I was hoping that FreeBSD's iSCSI support was a bit more
 solid, or at least hoping that the (isp) driver had support for the
 QLogic iSCSI HBA's...  no luck.

I have a feeling this is because the ISCSI initiator in FreeBSD hasn't
been updated since 2007. There have been patches and new development but
nothing committed and/or MFC-ed.

I'm just starting to evaluate it, so I can't say anything about its
stability yet.



signature.asc
Description: OpenPGP digital signature


Re: FreeBSD and iSCSI for disks.

2009-04-09 Thread Ivan Voras
Danny Braniss wrote:
 This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
 --enig90DADA8437A99D893FB775F8
 Content-Type: text/plain; charset=UTF-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=
 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=
 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 iSCSI=
 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.html=
 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.
 
 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 entry
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 = 161.53.72.65
targetname = iqn.2007-09.jp.ne.peach:disk1
tags = 16
}




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Description: OpenPGP digital signature


Re: FreeBSD and iSCSI for disks.

2009-04-09 Thread Danny Braniss
 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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Re: FreeBSD and iSCSI for disks.

2009-04-09 Thread Ivan Voras
2009/4/9 Danny Braniss da...@cs.huji.ac.il:

 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?

7-STABLE AMD64.

 btw, without the camcontrol tags, is it working?

It appears it can be made to hang under some circumstances, possibly
if there is a spelling error in the configuration file.

After a reboot, both regular usage and camcontrol tags work.
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Re: FreeBSD and iSCSI for disks.

2009-04-09 Thread John Nielsen
On Thursday 09 April 2009 10:32:05 am Danny Braniss wrote:
  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/00383
  4.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?

From his previous message it looks like 7-STABLE amd64

 Q: what target?

From the targetname it looks like the recently committed net/istgt running 
on another FreeBSD machine.

 btw, without the camcontrol tags, is it working?

That one I can't infer. :)

JN

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Re: FreeBSD and iSCSI for disks.

2009-04-09 Thread Ivan Voras
2009/4/9 John Nielsen li...@jnielsen.net:

 Q: what kernel?

 From his previous message it looks like 7-STABLE amd64

 Q: what target?

 From the targetname it looks like the recently committed net/istgt running
 on another FreeBSD machine.

Correct on both :)
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Re: FreeBSD and iSCSI for disks.

2009-04-08 Thread Ivan Voras
Garance A Drosihn wrote:
 Some friends of mine are looking at the new DroboPro, which makes a
 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
 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 iSCSI
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.html

I can't find any more information on it.





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Re: FreeBSD and iSCSI for disks.

2009-04-08 Thread Danny Braniss

 Garance A Drosihn wrote:
  Some friends of mine are looking at the new DroboPro, which makes a
  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
  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 iSCSI
 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.html
 
 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
cheers,
danny


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Re: FreeBSD and iSCSI for disks.

2009-04-08 Thread Ivan Voras
Danny Braniss wrote:
 Garance A Drosihn wrote:
 Some friends of mine are looking at the new DroboPro, which makes a
 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
 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 iSCSI
 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.html

 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?



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Re: FreeBSD and iSCSI for disks.

2009-04-08 Thread Robert Blayzor

On Apr 7, 2009, at 5:43 PM, Garance A Drosihn wrote:

Some friends of mine are looking at the new DroboPro, which makes a
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
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?




If you're looking for production ready iSCSI initiator support in  
FreeBSD, do yourself a favor, save some time, and look into something  
else.  Seriously, we went down this road just recently testing both  
FreeBSD 7.0/7.1 amd64 on various Dell servers with Intel (em) Gig-E  
NIC's and it was very easy to basically get the box to lock up solid  
and/or panic.  Our targets were both Netapp and Equallogic iSCSI  
SAN's.  We didn't have a lot of time to debug it, our setup was pretty  
simple.. yet when we tried to run various simulated real world load on  
it the boxes just caved.  Even with jumbo frames enabled on the NIC's  
the performance was mediocre at best.  Unfortunately due a time  
constraint we had to move the clients to CentOS 5.2/5.3 and things  
have been very good so far.  I was hoping that FreeBSD's iSCSI support  
was a bit more solid, or at least hoping that the (isp) driver had  
support for the QLogic iSCSI HBA's...  no luck.


YMMV

--
Robert Blayzor, BOFH
INOC, LLC
rblay...@inoc.net
http://www.inoc.net/~rblayzor/



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FreeBSD and iSCSI for disks.

2009-04-07 Thread Garance A Drosihn

Some friends of mine are looking at the new DroboPro, which makes a
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
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?

--
Garance Alistair Drosehn=   g...@gilead.netel.rpi.edu
Senior Systems Programmer   or  g...@freebsd.org
Rensselaer Polytechnic Instituteor  dro...@rpi.edu
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Re: FreeBSD and iSCSI for disks.

2009-04-07 Thread Andrei Kolu

Garance A Drosihn wrote:

Some friends of mine are looking at the new DroboPro, which makes a
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
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 have some experience with net/istgt port and it looks solid compared 
to OpenBSD implementation net/iscsi-target. Of course your milage may 
wary.


net/istgt

This is an iSCSI target, it serves iSCSI protocol and provides
SCSI devices to the initiator (client).

WWW:http://shell.peach.ne.jp/aoyama/

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