Re: [storage-discuss] ISCI Network Hang - Lun becomes unavailable

Tue, 13 Jan 2009 20:06:55 -0800 

Hi Marc,
Thanks for the response. I'm using the default port 3260 and native iscsitgt (not Comstar). What other details would you like? Im running OpenSolaris 2008.11 snv_101b_rc2 X86 Thinkpad T60p laptop with 3GB of memory, a 2.1Ghz core duo proc, with 2 500gb mirriored USB drives. 
I did notice that when I do an ifconfig -a I see my NIC twice.



Your e1000g0 is listed twice, since it is configured as both IPv4 and  
IPv6.



The resolution to these defect actually lies within the e1000g, a fix  
not available to snv_104. http://bugs.opensolaris.org/view_bug.do?bug_id=6713032


Jim





r...@opensolaris:~# ifconfig -a

lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL>  
mtu 8232 index 1

    inet 127.0.0.1 netmask ff000000

e1000g0:  
flags=201004843<UP,BROADCAST,RUNNING,MULTICAST,DHCP,IPv4,CoS> mtu  
1500 index 12

    inet 10.0.1.200 netmask ffffff00 broadcast 10.0.1.255
    ether 0:15:58:2e:af:8f
wpi0: flags=201000802<BROADCAST,MULTICAST,IPv4,CoS> mtu 1500 index 13
    inet 0.0.0.0 netmask 0
    ether 0:13:2:b9:86:27

lo0: flags=2002000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv6,VIRTUAL>  
mtu 8252 index 1

    inet6 ::1/128

e1000g0: flags=202004841<UP,RUNNING,MULTICAST,DHCP,IPv6,CoS> mtu  
1500 index 12

    inet6 fe80::215:58ff:fe2e:af8f/10
    ether 0:15:58:2e:af:8f
r...@opensolaris:~#


Rgds,
Marc

Date: Mon, 12 Jan 2009 22:37:41 +0800
From: [email protected]
To: [email protected]; [email protected]

Subject: Re: [storage-discuss] ISCI Network Hang - Lun becomes  
unavailable


Hi,M


What does iscsi port you use now ? Comstar or iscsitgt before? Could  
you please give more details about it .



2009-01-12
daiwj
发件人： M
发送时间： 2009-01-12  12:17:55
收件人： storage-discuss
抄送：

主题： [storage-discuss] ISCI Network Hang - Lun becomes  
unavailable
I am sharing out ZFS ISCSI luns to my Mac. When copying large files,  
the network will hang in the middle of the transfer and the LUN will  
become unavailable until I plumb the NIC. This issue appears to only  
occur only when I am reading files (ie..syncing an ipod) and not  
writing (I'm not 100% sure though). When I snoop the interface I  
notice a bunch of ARP lookups. Any ideas? Thanks in advanced.

Solaris Build:    OpenSolaris 2008.11 snv_101b_rc2 X86
           Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
                        Use is subject to license terms.
                           Assembled 19 November 2008

Below is the output from snoop. 10.0.1.200 is the Solaris server and  
10.0.1.4 is the Mac client.



10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072298406 Len=2352 Win=64240
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072300758 Len=4390 Win=64240
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072305148 Len=2920 Win=64240
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072308068 Len=1700 Win=64240
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072309768 Len=2920 Win=64240
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072312688 Len=5320 Win=64240
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072318008 Len=2920 Win=64240
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Ack=1072195178  
Seq=405482834 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Ack=1072198098  
Seq=405482834 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Ack=1072203178  
Seq=405482834 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Ack=1072206098  
Seq=405482834 Len=0 Win=65535
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072320928 Len=5320 Win=64240
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072326248 Len=2920 Win=64240
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072329168 Len=5080 Win=64240
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Push Ack=405482834  
Seq=1072334248 Len=2920 Win=64240
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Ack=1072209958  
Seq=405482834 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Ack=1072212878  
Seq=405482834 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Ack=1072215278  
Seq=405482834 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 362)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 362)
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51699 Push Ack=133176904  
Seq=1610109515 Len=48 Win=65535 Options=<nop,nop,tstamp 628354654  
67148>
  10.0.1.200 -> 10.0.1.4     TCP D=51699 S=3260 Ack=1610109563  
Seq=133176952 Len=0 Win=65160 Options=<nop,nop,tstamp 67569 628354643>
  10.0.1.200 -> 10.0.1.4     TCP D=51699 S=3260 Push Ack=1610109563  
Seq=133176904 Len=48 Win=65160 Options=<nop,nop,tstamp 67582  
628354643>
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Ack=405483698  
Seq=1073633082 Len=1460 Win=64240
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 363)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 363)
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 364)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 364)
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51699 Push Ack=133176904  
Seq=1610109515 Len=48 Win=65535 Options=<nop,nop,tstamp 628354670  
67148>
  10.0.1.200 -> 10.0.1.4     TCP D=51699 S=3260 Ack=1610109563  
Seq=133176952 Len=0 Win=65160 Options=<nop,nop,tstamp 67729 628354643>
  10.0.1.200 -> 10.0.1.4     TCP D=51699 S=3260 Push Ack=1610109563  
Seq=133176904 Len=48 Win=65160 Options=<nop,nop,tstamp 67753  
628354643>
  10.0.1.200 -> 10.0.1.1     DNS C 250.255.255.239.in-addr.arpa.  
Internet PTR ?
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 365)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 365)
  10.0.1.200 -> 10.0.1.1     DNS C _nfsv4idmapdomain.nyc.rr.com.  
Internet TXT ?
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 366)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 366)
  10.0.1.200 -> 10.0.1.4     TCP D=51683 S=3260 Ack=405483698  
Seq=1073633082 Len=1460 Win=64240
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 367)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 367)
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51699 Push Ack=133176904  
Seq=1610109515 Len=48 Win=65535 Options=<nop,nop,tstamp 628354702  
67148>
  10.0.1.200 -> 10.0.1.4     TCP D=51699 S=3260 Ack=1610109563  
Seq=133176952 Len=0 Win=65160 Options=<nop,nop,tstamp 68050 628354643>
  10.0.1.200 -> 10.0.1.4     TCP D=51699 S=3260 Push Ack=1610109563  
Seq=133176904 Len=48 Win=65160 Options=<nop,nop,tstamp 68094  
628354643>
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 368)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 368)
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 369)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 369)
  10.0.1.200 -> 10.0.1.1     DNS C 250.255.255.239.in-addr.arpa.  
Internet PTR ?
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 370)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 370)

  10.0.1.200 -> 10.0.1.1     DNS C _nfsv4idmapdomain. Internet TXT ?
    10.0.1.4 -> 10.0.1.255   UDP D=631 S=631 LEN=140

  10.0.1.200 -> 10.0.1.1     DNS C 255.1.0.10.in-addr.arpa. Internet  
PTR ?
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 371)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 371)

    10.0.1.4 -> 10.0.1.255   UDP D=631 S=631 LEN=175

    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 372)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 372)
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 373)
  10.0.1.200 -> 10.0.1.4     ICMP Echo reply (ID: 40450 Sequence  
number: 373)

  10.0.1.200 -> (broadcast)  ARP C Who is 10.0.1.4, 10.0.1.4 ?

    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51699 Push Ack=133176904  
Seq=1610109515 Len=48 Win=65535 Options=<nop,nop,tstamp 628354766  
67148>
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 374)

  10.0.1.200 -> (broadcast)  ARP C Who is 10.0.1.4, 10.0.1.4 ?

    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Fin Ack=1073633082  
Seq=405483698 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51734 Syn Seq=3476025541  
Len=0 Win=65535 Options=<mss 1460,nop,wscale 1,nop,nop,tstamp  
628354778 0,sackOK,eol>
  10.0.1.200 -> 10.0.1.1     DNS C 250.255.255.239.in-addr.arpa.  
Internet PTR ?
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Fin Ack=1073633082  
Seq=405483698 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 375)

  10.0.1.200 -> (broadcast)  ARP C Who is 10.0.1.4, 10.0.1.4 ?

    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Fin Ack=1073633082  
Seq=405483698 Len=0 Win=65535

  10.0.1.200 -> 10.0.1.1     DNS C _nfsv4idmapdomain. Internet TXT ?

    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Fin Ack=1073633082  
Seq=405483698 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51734 Syn Seq=3476025541  
Len=0 Win=65535 Options=<mss 1460,nop,wscale 1,nop,nop,tstamp  
628354787 0,sackOK,eol>
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 376)
  10.0.1.200 -> 10.0.1.1     DNS C 255.1.0.10.in-addr.arpa. Internet  
PTR ?

  10.0.1.200 -> (broadcast)  ARP C Who is 10.0.1.4, 10.0.1.4 ?

    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Fin Ack=1073633082  
Seq=405483698 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51734 Syn Seq=3476025541  
Len=0 Win=65535 Options=<mss 1460,nop,wscale 1,nop,nop,tstamp  
628354797 0,sackOK,eol>
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 377)

  10.0.1.200 -> (broadcast)  ARP C Who is 10.0.1.4, 10.0.1.4 ?

    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51734 Syn Seq=3476025541  
Len=0 Win=65535 Options=<mss 1460,sackOK,eol>
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Fin Ack=1073633082  
Seq=405483698 Len=0 Win=65535
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 378)

  10.0.1.200 -> (broadcast)  ARP C Who is 10.0.1.4, 10.0.1.4 ?

    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51734 Syn Seq=3476025541  
Len=0 Win=65535 Options=<mss 1460,sackOK,eol>
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 379)
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51734 Syn Seq=3476025541  
Len=0 Win=65535 Options=<mss 1460,sackOK,eol>

  10.0.1.200 -> (broadcast)  ARP C Who is 10.0.1.4, 10.0.1.4 ?

  10.0.1.200 -> 10.0.1.1     DNS C 250.255.255.239.in-addr.arpa.  
Internet PTR ?
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 380)

  10.0.1.200 -> (broadcast)  ARP C Who is 10.0.1.4, 10.0.1.4 ?

    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 381)
  10.0.1.200 -> 10.0.1.1     DNS C 255.1.0.10.in-addr.arpa. Internet  
PTR ?
    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51683 Fin Ack=1073633082  
Seq=405483698 Len=0 Win=65535

  10.0.1.200 -> (broadcast)  ARP C Who is 10.0.1.4, 10.0.1.4 ?

    10.0.1.4 -> 10.0.1.200   TCP D=3260 S=51734 Syn Seq=3476025541  
Len=0 Win=65535 Options=<mss 1460,sackOK,eol>
    10.0.1.4 -> 10.0.1.200   ICMP Echo request (ID: 40450 Sequence  
number: 382)

  10.0.1.200 -> (broadcast)  ARP C Who is 10.0.1.4, 10.0.1.4 ?
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