What is the output of 'iscsiadm -m session -P 3'? You should see something like:
************************
Attached SCSI devices:
************************
Host Number: 29 State: running
scsi29 Channel 00 Id 0 Lun: 0
Attached scsi disk sdb State: running
If you have a session without an attached device, maybe your iSCSI
target exposes a target (e.g. iqn.something) but there is no device
attached to that target. Which target do you use?
Erez
On Mon, Dec 21, 2009 at 10:31 AM, Xintao Zhang
<zhangxintaofi...@gmail.com> wrote:
> Hi Erez
> I can see the target disk in dmesg -c,but where is not device in /dev/
> can you can help me ?
>
> 2009/12/21 Xintao Zhang <zhangxintaofi...@gmail.com>
>>
>> Hi Erez
>> I do it with you method,I can see the target disk.
>> I want know what tools I can use if I use the ib_iSER module or I don't
>> want see the error prompt in the screen.
>> Do you have good idae ?
>>
>> 2009/12/20 Erez Zilber <erezzi.l...@gmail.com>
>>>
>>> Please do the following:
>>> 1. Stop open-iscsi: make sure that 'lsmod | grep iscsi' & 'ps aux |
>>> grep iscsi' return nothing.
>>> 2. Make sure that no other version of open-iscsi is installed: run
>>> 'rpm -qa | grep iscsi'.
>>> 2. Run 'dmesg -c'.
>>> 3. Start open-iscsi: /etc/init.d/open-iscsi start
>>> 4. Send the output of 'lsmod | grep iscsi' & 'dmesg -c'.
>>>
>>> Erez
>>>
>>> On Thu, Dec 17, 2009 at 4:23 AM, Xintao Zhang
>>> <zhangxintaofi...@gmail.com> wrote:
>>> > I start open-iscsi with you method,but appear a problem.
>>> > I use the tail -f /var/log/messages can't find iscis device.
>>> > can you help me?
>>> > 2009/12/17 Xintao Zhang <zhangxintaofi...@gmail.com>
>>> >>
>>> >> Thanks Erez
>>> >>
>>> >> 2009/12/16 Erez Zilber <erezzi.l...@gmail.com>
>>> >>>
>>> >>> I guess that you want to run open-iscsi over iscsi_tcp which is the
>>> >>> default open-iscsi transport. Assuming that all other modules were
>>> >>> loaded successfully (libiscsi, iscsi_tcp, scsi_transport_iscsi and
>>> >>> libiscsi_tcp (depends on the version of open-iscsi that you use)),
>>> >>> you
>>> >>> don't need to do anything. open-iscsi has multiple transport
>>> >>> (iscsi_tcp, ib_iser, bnx2i, cxgb3i). The error that you got means
>>> >>> that
>>> >>> the ib_iser transport could not be loaded, but you don't need iSER
>>> >>> anyway.
>>> >>>
>>> >>> Erez
>>> >>>
>>> >>> On Wed, Dec 16, 2009 at 11:47 AM, Xintao Zhang
>>> >>> <zhangxintaofi...@gmail.com> wrote:
>>> >>> > I don't want use th "iser"
>>> >>> > I want the open-iscsi run normally run,can you help me?
>>> >>> >
>>> >>> > 2009/12/16 Erez Zilber <erezzi.l...@gmail.com>
>>> >>> >>
>>> >>> >> On Tue, Dec 15, 2009 at 12:26 PM, DeepBlue
>>> >>> >> <zhangxintaofi...@gmail.com>
>>> >>> >> wrote:
>>> >>> >> > There is a error with I inserting the ib_iser.ko module as
>>> >>> >> > following:
>>> >>> >> > ====================================================
>>> >>> >> > [r...@localhost init.d]# insmod
>>> >>> >> > /lib/modules/2.6.18-8.el5/kernel/
>>> >>> >> > drivers/infiniband/ulp/iser/ib_iser.ko
>>> >>> >> > insmod: error inserting
>>> >>> >> > '/lib/modules/2.6.18-8.el5/kernel/drivers/
>>> >>> >> > infiniband/ulp/iser/ib_iser.ko': -1 Unknown symbol in module
>>> >>> >> > ====================================================
>>> >>> >> > my linux kernel 2.6.18-8.el5
>>> >>> >> > who can help me?
>>> >>> >> >
>>> >>> >>
>>> >>> >> This is because your ib_iser module was built against open-iscsi
>>> >>> >> from
>>> >>> >> the redhat kernel (2.6.18-8.el5). You are currently running
>>> >>> >> open-iscsi
>>> >>> >> modules that you took from open-iscsi.org. If you run 'dmesg -c',
>>> >>> >> you'll see the list of symbols that it disagrees on.
>>> >>> >>
>>> >>> >> What can you do? Assuming that you want to use iSER, use the
>>> >>> >> open-iscsi kernel modules from kernel + open-iscsi userspace tools
>>> >>> >> from open-iscsi.org. Another (easier) option is to install OFED
>>> >>> >> that
>>> >>> >> has open-iscsi with iSER support.
>>> >>> >>
>>> >>> >> Erez
>>> >>> >>
>>> >>> >> --
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