iscsi offload on rh el based servers guide?

Gianluca Cecchi gianluca.cecchi at gmail.com
Fri May 14 10:48:18 CDT 2010


On Fri, May 14, 2010 at 5:40 PM, Gianluca Cecchi
<gianluca.cecchi at gmail.com>wrote:

> [snip]
>
> But actually I can connect only with one card and only to one node..... ;-(
> [snip]
>

Just a correction/clarification: the single interface that can connect to
the EQL, CAN see all the three volumes (in my latest test I ran a login to a
single target volume)
In fact the command:
[root at orasvi2 LINUX]# iscsiadm --mode node --portal 10.10.100.30:3260 -I
bnx2i.00:10:18:58:e8:f9 --login

now returns
Logging in to [iface: bnx2i.00:10:18:58:e8:f9, target:
iqn.2001-05.com.equallogic:0-8a0906-97d4b5e06-596000000264bc83-blg9-vol3,
portal: 10.10.100.30,3260]
Logging in to [iface: bnx2i.00:10:18:58:e8:f9, target:
iqn.2001-05.com.equallogic:0-8a0906-8904b5e06-b66000000204bc83-blg9-vol1,
portal: 10.10.100.30,3260]
Logging in to [iface: bnx2i.00:10:18:58:e8:f9, target:
iqn.2001-05.com.equallogic:0-8a0906-94c4b5e06-df9000000234bc83-blg9-vol2,
portal: 10.10.100.30,3260]
Login to [iface: bnx2i.00:10:18:58:e8:f9, target:
iqn.2001-05.com.equallogic:0-8a0906-97d4b5e06-596000000264bc83-blg9-vol3,
portal: 10.10.100.30,3260]: successful
Login to [iface: bnx2i.00:10:18:58:e8:f9, target:
iqn.2001-05.com.equallogic:0-8a0906-8904b5e06-b66000000204bc83-blg9-vol1,
portal: 10.10.100.30,3260]: successful
iscsiadm: Could not login to [iface: bnx2i.00:10:18:58:e8:f9, target:
iqn.2001-05.com.equallogic:0-8a0906-94c4b5e06-df9000000234bc83-blg9-vol2,
portal: 10.10.100.30,3260]:
iscsiadm: initiator reported error (15 - already exists)

and the other two volumes get connected (while the previous one correctly
gets the "already exists" error)
.
So that
# multipath -l
gives:

vol3 (36090a068e0b5d49783bc640200006059) dm-6 EQLOGIC,100E-00
[size=200G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=0][active]
 \_ 2:0:1:0 sdd 8:48  [active][undef]
vol2 (36090a068e0b5c49483bc3402000090df) dm-3 EQLOGIC,100E-00
[size=200G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=0][active]
 \_ 2:0:0:0 sdb 8:16  [active][undef]
vol1 (36090a068e0b5048983bc0402000060b6) dm-4 EQLOGIC,100E-00
[size=200G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=0][active]
 \_ 2:0:2:0 sdc 8:32  [active][undef]
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