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be2iscsi: don't set set_host_ip
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be2iscsi can store its ip address in firmware/flash so there is no need to have to set one in a iface. Just use whatever is in firmware/flash.
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iSCSI latency issue
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...
TCP_NODELAY is always enabled in iSCSI-SCST. You can at any time have latency statistics on the target side by enabling CONFIG_SCST_MEASURE_LATENCY (see README). Better also enable CONFIG_PREEMPT_NONE to not count CPU scheduler latency.
...
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openiscsi 10gbe network
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Hello,
I'm writing in regards to the performance with open-iscsi on a
10gbe network. On your website you posted performance results
indicating you reached read and write speeds of 450 MegaBytes per
second.
In our environment we use Myricom dual channel 10gbe network cards on
a gentoo linux system connected via fiber to a 10gbe interfaced SAN... more »
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!!!!Help: Problem when I login the iscsi hard disk
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I use CentOS 5.3. When I login the iSCSI hard disk, it show the below
information. I am confusing about this.
Anyone can give me a help~~~Thanks~~~
iSCSI Target: Microsoft iSCSI Software Target
iSCSI Initiator: iscsi-initiator-utils-6.2.0.87 1-0.10.el5
[root@localhost /]# iscsiadm -m node -p 10.6.64.140 -l... more »
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Fix wrong logs in log.c
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"Up" and "Down" were wrongly used in semaphore operations.
Signed-off-by: guy keren <c...@actcom.co.il>
note: this patch must be applied on top of the previous patch (that fixes the semop race bug).
--guy
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do NOT perform illegal operations in a SIGSEGV handler
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if you get SIGSEGV - most likely we have some memory ocrruption - so catching this signal, flushing the log and then returning (letting the process continue execution) is a big no-no.
Signed-off-by: guy keren <c...@actcom.co.il>
--guy
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help iscsi-initiator discovery
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Hi all:
I a newbie of iscsi. Now I use two PC to test software iscsi.
My problem is how to fix connect of iscsi target?
The below are the detail:
SAN: iscsi target device ip: 192.168.3.2
master: iscsi initiator ip: 192.168.3.124
1. configure on SAN
1)install iscsi-target
[root@SAN ~]# yum -y install scsi-target-utils... more »
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Information about iSCSI pings that almost timed out
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open-iscsi sends nop-outs to the target. If the target responds quick
enough, we don't get a timeout. I'd like to know (for internal debug
purposes) how many times the ping timer almost expired. This sounds
like a useful feature also for other open-iscsi developers/users.
I was thinking about adding the following mechanism:... more »
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Poor read performance with IET
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I am currently running IET on a CentOS 5.4 server with the following
kernel:
Linux titan1 2.6.18-128.7.1.el5 #1 SMP Mon Aug 24 08:21:56 EDT 2009
x86_64 x86_64 x86_64 GNU/Linux
The server is a Dual quad core 2.8 GHz system with 16 GB ram. I am
also using Coraid disk shelves via AoE for my block storage that I am... more »
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Discussion on