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以下是基本信息：
操作系统：
[root@node1 ~]# cat /etc/redhat-release
CentOS release 5.8 (Final)
内核：2.6.18-308.11.1.el5 #1 SMP Tue Jul 10 08:48:43 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux
网卡：
[root@node1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth4
# Broadcom Corporation NetXtreme II BCM57711 10-Gigabit PCIe
网卡驱动信息：
[root@node1 ~]# modinfo bnx2
filename: /lib/modules/2.6.18-308.11.1.el5/updates/bnx2.ko
version: 2.2.1j
license: GPL
description: Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver
author: Michael Chan <mchan@broadcom.com>
srcversion: 92BB1824D1695C4AE860E5F
alias: pci:v000014E4d0000163Csv*sd*bc*sc*i*
alias: pci:v000014E4d0000163Bsv*sd*bc*sc*i*
alias: pci:v000014E4d0000163Asv*sd*bc*sc*i*
alias: pci:v000014E4d00001639sv*sd*bc*sc*i*
alias: pci:v000014E4d000016ACsv*sd*bc*sc*i*
alias: pci:v000014E4d000016AAsv*sd*bc*sc*i*
alias: pci:v000014E4d000016AAsv0000103Csd00003102bc*sc*i*
alias: pci:v000014E4d0000164Csv*sd*bc*sc*i*
alias: pci:v000014E4d0000164Asv*sd*bc*sc*i*
alias: pci:v000014E4d0000164Asv0000103Csd00003106bc*sc*i*
alias: pci:v000014E4d0000164Asv0000103Csd00003101bc*sc*i*
depends:
vermagic: 2.6.18-308.11.1.el5 SMP mod_unload gcc-4.1
parm: disable_msi isable Message Signaled Interrupt (MSI) (int)
parm: stop_on_tx_timeout:For debugging purposes, prevent a chip reset when a tx timeout occurs (int)
[root@node1 ~]# modinfo bnx2x
filename: /lib/modules/2.6.18-308.11.1.el5/updates/bnx2x.ko
version: 1.72.18
license: GPL
description: Broadcom NetXtreme II BCM57710/57711/57711E/57712/57712_MF/57800/57800_MF/57810/57810_MF/57840/57840_MF Driver
author: Eliezer Tamir
srcversion: F84292F58B1A38007566C38
alias: pci:v000014E4d000016ABsv*sd*bc*sc*i*
alias: pci:v000014E4d0000168Dsv*sd*bc*sc*i*
alias: pci:v000014E4d000016AEsv*sd*bc*sc*i*
alias: pci:v000014E4d0000168Esv*sd*bc*sc*i*
alias: pci:v000014E4d000016A5sv*sd*bc*sc*i*
alias: pci:v000014E4d0000168Asv*sd*bc*sc*i*
alias: pci:v000014E4d00001663sv*sd*bc*sc*i*
alias: pci:v000014E4d00001662sv*sd*bc*sc*i*
alias: pci:v000014E4d00001650sv*sd*bc*sc*i*
alias: pci:v000014E4d0000164Fsv*sd*bc*sc*i*
alias: pci:v000014E4d0000164Esv*sd*bc*sc*i*
depends: 8021q
vermagic: 2.6.18-308.11.1.el5 SMP mod_unload gcc-4.1
parm: pri_map: Priority to HW queue mapping (uint)
parm: num_queues: Set number of queues (default is as a number of CPUs) (uint)
parm: disable_iscsi_ooo: Disable iSCSI OOO support (uint)
parm: disable_tpa: Disable the TPA (LRO) feature (uint)
parm: int_mode: Force interrupt mode other than MSI-X (1 INT#x; 2 MSI) (uint)
parm: dropless_fc: Pause on exhausted host ring (uint)
parm: poll: Use polling (for debug) (uint)
parm: mrrs: Force Max Read Req Size (0..3) (for debug) (uint)
parm: debug: Default debug msglevel (uint)
parm: autogreeen: Set autoGrEEEn (0:HW default; 1:force on; 2:force off) (uint)
parm: tx_switching: Enable tx-switching (uint)
该网卡所使用的驱动：
[root@node1 ~]# ethtool -i eth4
driver: bnx2x
version: 1.72.18
firmware-version: 5.0.12 bc 5.0.13 phy aa0.406
bus-info: 0000:06:00.0
系统启动提示信息：（摘出关于该网卡连接iscsi的部分）
Aug 17 05:02:48 node1 kernel: iscsi: registered transport (cxgb3i)
Aug 17 05:02:48 node1 kernel: cnic: Broadcom NetXtreme II CNIC Driver cnic v2.5.9d (Mar 07, 2012)
Aug 17 05:02:48 node1 kernel: bnx2x 0000:06:00.0: eth4: Added CNIC device
Aug 17 05:02:48 node1 kernel: bnx2x 0000:06:00.1: eth5: Added CNIC device
Aug 17 05:02:48 node1 kernel: Broadcom NetXtreme II iSCSI Driver bnx2i v2.7.2.1k (Mar 06, 2012)
Aug 17 05:02:48 node1 kernel: iscsi: registered transport (bnx2i)
Aug 17 05:02:48 node1 kernel: scsi6 : Broadcom Offload iSCSI Initiator
Aug 17 05:02:48 node1 kernel: scsi7 : Broadcom Offload iSCSI Initiator
Aug 17 05:02:48 node1 kernel: iscsi: registered transport (tcp)
Aug 17 05:02:48 node1 kernel: iscsi: registered transport (iser)
Aug 17 05:02:48 node1 kernel: iscsi: registered transport (be2iscsi)
Aug 17 05:02:48 node1 kernel: NET: Registered protocol family 10
Aug 17 05:02:48 node1 kernel: lo: Disabled Privacy Extensions
Aug 17 05:02:48 node1 kernel: IPv6 over IPv4 tunneling driver
Aug 17 05:02:48 node1 kernel: sit0: Disabled Privacy Extensions
Aug 17 05:02:48 node1 kernel: 8021q: adding VLAN 0 to HW filter on device eth0
Aug 17 05:02:48 node1 kernel: ADDRCONF(NETDEV_UP): eth0: link is not ready
Aug 17 05:02:48 node1 kernel: igb: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
Aug 17 05:02:48 node1 kernel: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Aug 17 05:02:48 node1 kernel: bnx2x 0000:06:00.0: eth4: using MSI-X IRQs: sp 123 fp[0] 139 ... fp[14] 60
Aug 17 05:02:48 node1 kernel: bnx2i [06:00.00]: ISCSI_INIT passed
Aug 17 05:02:48 node1 kernel: ADDRCONF(NETDEV_UP): eth4: link is not ready
Aug 17 05:02:48 node1 kernel: bnx2x 0000:06:00.0: eth4: NIC Link is Up, 10000 Mbps full duplex, Flow control: none
Aug 17 05:02:48 node1 kernel: ADDRCONF(NETDEV_CHANGE): eth4: link becomes ready
Aug 17 05:02:51 node1 iscsid: connect to 192.168.3.253:3260 failed (No route to host)
Aug 17 05:03:04 node1 kernel: scsi8 : iSCSI Initiator over TCP/IP
Aug 17 05:03:04 node1 kernel: Vendor: SCST_BIO Model: 9RontQmniY7bZy4d Rev: 210
Aug 17 05:03:04 node1 kernel: Type: Direct-Access ANSI SCSI revision: 05
Aug 17 05:03:04 node1 kernel: sdb : very big device. try to use READ CAPACITY(16).
Aug 17 05:03:04 node1 kernel: SCSI device sdb: 14035845120 512-byte hdwr sectors (7186353 MB)
Aug 17 05:03:04 node1 kernel: sdb: Write Protect is off
Aug 17 05:03:04 node1 kernel: SCSI device sdb: drive cache: write back
Aug 17 05:03:04 node1 kernel: sdb : very big device. try to use READ CAPACITY(16).
Aug 17 05:03:04 node1 kernel: SCSI device sdb: 14035845120 512-byte hdwr sectors (7186353 MB)
Aug 17 05:03:04 node1 kernel: sdb: Write Protect is off
Aug 17 05:03:04 node1 kernel: SCSI device sdb: drive cache: write back
Aug 17 05:03:04 node1 iscsid: Connection1:0 to [target: iqn.2012-09:dss.target0, portal: 192.168.3.253,3260] through [iface:
default] is operational now
Aug 17 05:03:07 node1 udevd-event[5208]: wait_for_sysfs: waiting for '/sys/devices/platform/host8/session1/target8:0:0/8:0:0:
0/ioerr_cnt' failed
Aug 17 05:03:14 node1 kernel: sdb:<3> connection1:0: ping timeout of 5 secs expired, recv timeout 5, last rx 4294739679, las
t ping 4294744679, now 4294749679
Aug 17 05:03:14 node1 kernel: connection1:0: detected conn error (1011)
Aug 17 05:03:15 node1 iscsid: Kernel reported iSCSI connection 1:0 error (1011) state (3)
Aug 17 05:03:15 node1 iscsid: Could not online LUN 0 err 2.
Aug 17 05:03:15 node1 iscsid: connection1:0 is operational after recovery (1 attempts)
Aug 17 05:03:25 node1 kernel: connection1:0: ping timeout of 5 secs expired, recv timeout 5, last rx 4294750501, last ping 4
294755501, now 4294760501
Aug 17 05:03:25 node1 kernel: connection1:0: detected conn error (1011)
Aug 17 05:03:25 node1 iscsid: Kernel reported iSCSI connection 1:0 error (1011) state (3)
Aug 17 05:03:26 node1 iscsid: Could not online LUN 0 err 2.
Aug 17 05:03:26 node1 iscsid: connection1:0 is operational after recovery (1 attempts)
Aug 17 05:03:36 node1 kernel: connection1:0: ping timeout of 5 secs expired, recv timeout 5, last rx 4294761316, last ping 4
294766316, now 4294771316
Aug 17 05:03:36 node1 kernel: connection1:0: detected conn error (1011)
Aug 17 05:03:36 node1 iscsid: Kernel reported iSCSI connection 1:0 error (1011) state (3)
Aug 17 05:03:37 node1 iscsid: Could not online LUN 0 err 2.
Aug 17 05:03:37 node1 iscsid: connection1:0 is operational after recovery (1 attempts)
Aug 17 05:03:46 node1 kernel: connection1:0: ping timeout of 5 secs expired, recv timeout 5, last rx 4294772137, last ping 4
294777137, now 4294782137
这部分信息将无限重复，无法进入系统。
交换机环境：万兆博通的，开启巨型帧，存储也开启，并同时设置为mtu=9216，畅通。
部署需要：两台服务器需要开启巨型帧，默认1500完全OK，但是为了性能考虑设置9000.9216后无法进入系统，但是存储服务器使用的open-e设置值为9216完全OK，交换机也是9216.在Windows下测试没有问题，以上所安装的驱动已经是更新后的官方最新版本。特此寻找有经验的兄弟帮忙看看是什么问题导致的。
个人想到以下问题：内核原因，iscsi服务，或者使用的协议不对。具体还要看各位大神有什么好的办法没有。小弟在此谢过。
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发表于 2012-08-17 17:51
发表于 2012-08-19 12:47
