On 07/08/2010 06:56 PM, Laurent wrote:
Hello,
Thank you for the work. This is my 1st post here.
Under a Debian OS, i try to acces by two different paths an Equallogic
PS 6000.
On the server i configured two NICs
eth1 Link encap:Ethernet HWaddr b8:ac:6f:12:38:c9
inet adr:192.168.15.11 Bcast:192.168.15.255 Masque:
255.255.255.0
eth2 Link encap:Ethernet HWaddr b8:ac:6f:12:38:cb
inet adr:192.168.15.12 Bcast:192.168.15.255 Masque:
255.255.255.0
On the same vlan than the SAN
First, the discovery works fine:
iscsiadm -m discovery -t st -I eth1 -I eth2 -p 192.168.15.1 -P 1 -o
delete -o new
Target: iqn.2001-05.com.equallogic:
0-8a0906-0dd652407-00e000e7b254c345-testdeb
Portal: 192.168.15.1:3260,1
Iface Name: eth2
Iface Name: eth1
With EQL, there is only one IP address for the portal, regardless of
how many times i have to access it.
I try to connect via the two nics:
First one:
#iscsiadm -m node --targetname iqn.2001-05.com.equallogic:
0-8a0906-0dd652407-00e000e7b254c345-testdeb -I eth1 --portal
192.168.15.1:3260,13 --login
Logging in to [iface: eth1, target: iqn.2001-05.com.equallogic:
0-8a0906-0dd652407-00e000e7b254c345-testdeb, portal:
192.168.15.1,3260]
Logging in to [iface: eth1, target: iqn.2001-05.com.equallogic:
0-8a0906-0dd652407-00e000e7b254c345-testdeb, portal:
192.168.15.1,3260]
Login to [iface: eth1, target: iqn.2001-05.com.equallogic:
0-8a0906-0dd652407-00e000e7b254c345-testdeb, portal:
192.168.15.1,3260]: successful
#
All is fine with the first one.
ls /dev/sdb
/dev/sdb
mount /dev/sdb /media/testDB/
Jul 9 00:42:10 sx1 kernel: [ 3318.053517] scsi 9:0:0:0: Direct-
Access EQLOGIC 100E-00 4.3 PQ: 0 ANSI: 5
Jul 9 00:42:10 sx1 kernel: [ 3318.057042] sd 9:0:0:0: [sdb] 209725440
512-byte hardware sectors (107379 MB)
Jul 9 00:42:10 sx1 kernel: [ 3318.057042] sd 9:0:0:0: [sdb] Write
Protect is off
Jul 9 00:42:10 sx1 kernel: [ 3318.057379] sd 9:0:0:0: [sdb] Write
cache: disabled, read cache: enabled, doesn't support DPO or FUA
Jul 9 00:42:10 sx1 kernel: [ 3318.057734] sd 9:0:0:0: [sdb] 209725440
512-byte hardware sectors (107379 MB)
Jul 9 00:42:10 sx1 kernel: [ 3318.058035] sd 9:0:0:0: [sdb] Write
Protect is off
Jul 9 00:42:10 sx1 kernel: [ 3318.059480] sd 9:0:0:0: [sdb] Write
cache: disabled, read cache: enabled, doesn't support DPO or FUA
Jul 9 00:42:10 sx1 kernel: [ 3318.059527] sdb: unknown partition
table
Jul 9 00:42:10 sx1 kernel: [ 3318.060635] sd 9:0:0:0: [sdb] Attached
SCSI disk
Jul 9 00:42:10 sx1 kernel: [ 3318.060686] sd 9:0:0:0: Attached scsi
generic sg3 type 0
Jul 9 00:43:51 sx1 kernel: [ 3419.896300] kjournald starting. Commit
interval 5 seconds
Jul 9 00:43:51 sx1 kernel: [ 3419.915116] EXT3 FS on sdb, internal
journal
Jul 9 00:43:51 sx1 kernel: [ 3419.915116] EXT3-fs: recovery complete.
Jul 9 00:43:51 sx1 kernel: [ 3419.915396] EXT3-fs: mounted filesystem
with ordered data mode.
With eth2,, nothing happens.
iscsiadm -m node --targetname iqn.2001-05.com.equallogic:
0-8a0906-0dd652407-00e000e7b254c345-testdeb -I eth2 --portal
192.168.15.1:3260,13 --login
Logging in to [iface: eth2, target: iqn.2001-05.com.equallogic:
0-8a0906-0dd652407-00e000e7b254c345-testdeb, portal:
192.168.15.1,3260]
Logging in to [iface: eth2, target: iqn.2001-05.com.equallogic:
0-8a0906-0dd652407-00e000e7b254c345-testdeb, portal:
192.168.15.1,3260]
iscsiadm: Could not login to [iface: eth2, target: iqn.
2001-05.com.equallogic:0-8a0906-0dd652407-00e000e7b254c345-testdeb,
portal: 192.168.15.1,3260]:
iscsiadm: initiator reported error (8 - connection timed out)
I don't have any log line
Is anyone an idea of what could happen ?
Thank you very much, i am stuck
Can you try changing the following /etc/sysctl.conf parameter
net.ipv4.conf.default.rp_filter = 0
Run "sysctl -p" after changing this to have the change reflected in the
kernel.
Mike Christie elucidated in an earlier post that the strict source
routing requirement that some distributions impose can cause the login
through multiple ifaces to fail.
-Shyam
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