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IBM System Storage WWPN
Determination
Version 6.5
© 2012 IBM Corporation
2. IBM Storage Systems WWPN Determination Version 6.5
What are WWNNs and WWPNs?
A WWNN is a World Wide Node Name; used to uniquely identify a device in a Storage Area Network (SAN). Each IBM Storage device has its own
unique WWNN. For DS8000, each Storage Facility Image (SFI) has a unique WWNN. For SVC and Storwize V7000, each Node has a unique
WWNN.
A WWPN is a World Wide Port Name; a unique identifier for each Fibre Channel port presented to a Storage Area Network (SAN). Each port on an
IBM Storage Device has a unique and persistent WWPN.
IBM System Storage devices use persistent WWPN. This means if an HA (Host Adapter) in an IBM System Storage Device gets replaced, the new
HA will present the same WWPN as the old HA. IBM Storage uses a methodology whereby each WWPN is a child of the WWNN. This means that if
you know the WWPN of a port, you can easily match it to the WWNN of the storage device that owns that port.
A WWPN is always 16 hexadecimal characters long. This is actually 8 bytes. Three of these bytes are used for the vendor ID. The position of the
vendor ID within the WWPN varies based on the format ID of the WWPN. To determine more information we actually use the first character of the
WWPN to see which format it is (the vendor ID position is highlighted in red):
1 = IEEE 803.2 standard format (example 10:00:00:00:c9:2f:65:d6 this is an Emulex HBA WWPN since Emulex owns the 0000c9 company ID.
2 = IEEE 803.2 extended format (example: 21:00:00:e0:8b:90:90:04 this is a Qlogic HBA WWPN since Qlogic owns the 00e08b company ID.
5 = IEEE Registered Name format (example 50:05:07:63:00:c7:01:99 this is an IBM WWPN since IBM owns the 005076 company ID.
An example of a Registered Name Format WWPN is 50:05:07:63:00:c7:01:99. We know this WWPN uses the Registered Name Format because it
starts with a ‘5’. This format can be broken down into 3 sections:
Section 1 – Format ID Section 2 – Vendor ID Section 3 - Vendor Unique
5 0:05:07:6 3:00:c7:01:99
Vendor ID 001738 is registered to IBM (formerly registered to XIV).
Vendor ID 005076 is registered to IBM.
Vendor ID 00A0B8 is registered to Symbios Logic, now owned by NetApp, who manufacture the DS3000, DS4000 and DS5000.
Vendor ID 0080E5 is registered to LSI Logic, but is used by NetApp, who manufacture the DS3000, DS4000 and DS5000.
There are literally 1000’s of company IDs registered with the IEEE. The complete list is located at:
http://standards.ieee.org/regauth/oui/oui.txt
Page 2 © 2012 IBM Corporation
3. IBM Storage Systems WWPN Determination Version 6.5
IBM WWNN / WWPN range by type
Machine Type WWNN WWPN
DS3000/ DS4000/DS5000 20:0z:00:A0:B8:xx:xx:xy 20:yy:00:A0:B8:xx:xx:xy
20:0z:00:80:E5:xx:xx:xx 20:yz:00:80:E5:xx:xx:xx
1750 (DS6000) 50:05:07:63:0z:FE:xx:xx 50:05:07:63:0z:yy:xx:xx
2076 (Storwize V7000) 50:05:07:68:02:0x:xxxx 50:05:07:68:02:yx:xx:xx
2105 (ESS or Shark) 50:05:07:63:00:C0:xx:xx 50:05:07:63:00:yy:xx:xx
2107 (DS8000 – all models) 50:05:07:63:0z:FF:zx:xx 50:05:07:63:0z:yy:yx:xx
2145 (SVC) 50:05:07:68:01:0x:xxxx 50:05:07:68:01:yx:xx:xx
2810 (XIV) 50:01:73:8x:xx:xx:00:00 50:01:73:8x:xx:xx:yy:yy
x: Determined by manufacturing. Unique to each machine. On XIV it is the frame 5 digit serial number in hex.
y: Determined by physical position within the machine (see charts on following pages).
z: Determined by manufacturing.
Page 3 © 2012 IBM Corporation
4. IBM Storage Systems WWPN Determination Version 6.5
DS3400 WWPN Determination
WWNN is based on: 20:0Z:00:A0:B8:xx:xx:xx where xxxxxx is unique for each machine
WWPN is based on: 20:YZ:00:A0:B8:xx:xx:xx where xxxxxx is unique for each machine
The Y value is the port number. For DS3400 this will be 2 (port FC1) or 3 (port FC2)
If Z = 4 or 6 then the port is on controller A
If Z = 5 or 7 then the port is on controller B
In the examples below , the numbers shown in the boxes are YZ numbers (port/controller)
So if a port contains ‘24’ it means the WWPN for that port is 20:24:00:A0:B8:xx:xx:xx
24 34 25 35
Controller A Controller B
Page 4 © 2012 IBM Corporation
5. IBM Storage Systems WWPN Determination Version 6.5
DS3500 WWPN Determination
WWNN is based on: 20:0Z:00:80:E5:xx:xx:xx where xxxxxx is unique for each machine
WWPN is based on: 20:YZ:00:80:E5:xx:xx:xx where xxxxxx is unique for each machine
The Y value is the port number. For DS3500 this will be 3, 4, 5 or 6 (ports 1 to 4)
If Z = 4 or 6 then the port is on controller A
If Z = 5 or 7 then the port is on controller B
In the examples below , the numbers shown in the boxes are YZ numbers (port/controller) where Z is 6 and 7 (not 4 and 5)
So if a port contains ‘36’ it means the WWPN for that port is 20:36:00:80:E5:xx:xx:xx
Controller A Controller B
36 46 56 66 37 47 57 67
Page 5 © 2012 IBM Corporation
6. IBM Storage Systems WWPN Determination Version 6.5
DS4200 DS4400 DS4500 DS4700 WWPN Determination
WWNN Determination WWNN WWPN WWPN
WWNN is based on: 20:0Z:00:A0:B8:xx:xx:xY Port 1 Port 2
Where Z = 2, 4 or 6 or 8 and Y= 0 to D
0 1 2
xx:xx:x is unique for each machine
1 2 3
2 3 4
WWPN Determination 3 4 5
WWPN is based on: 20:0Z:00:A0:B8:xx:xx:xY 4 5 6
If Z = 2, 4, 6 or 8 then this port is on controller A 5 6 7
(this will be the same as the ’Z’ in WWNN)
6 7 8
If Z = 3, 5, 7 or 9 then this port is on controller B
(this will be 1 greater than the ‘Z’ in WWNN) 7 8 9
The Y value is based on the WWNN. 8 9 A
If in WWNN, Y=0 then port 1 = 1 and port 2 = 2 9 A B
If in WWNN, Y=D, then port 1= E and port 2 = F
A B C
B C D
The table to the left shows the pattern.
C D E
D E F
‘Y’ value table
Page 6 © 2012 IBM Corporation
7. IBM Storage Systems WWPN Determination Version 6.5
DS4800 WWPN Determination
WWNN is based on: 20:04:00:A0:B8:xx:xx:xx
WWPN is based on: 20:YZ:00:A0:B8:xx:xx:xx
The Y value is the port number. For DS4800 this is 1 to 4.
If Z = 4 then the port is on controller A
If Z = 5 then the port is on controller B 44 34 24 14
The numbers shown in the boxes are YZ numbers (port/controller)
So the top right hand port contains ‘14’ meaning the WWPN for that port
is 20:14:00:A0:B8:xx:xx:xx and the port is port 1 on Controller A
15 25 35 45
Page 7 © 2012 IBM Corporation
8. IBM Storage Systems WWPN Determination Version 6.5
DS5020 WWPN Determination
WWNN is based on: 20:0Z:00:80:E5:xx:xx:xx
WWPN is based on: 20:YZ:00:80:E5:xx:xx:xx
The Y value is the port number. For DS5020 this is 1 to 4 (note: ports 3 and 4 are an optional feature).
If Z = 4 or 6 then the port is on controller A
If Z = 5 or 7 then the port is on controller B
The numbers shown in the boxes are YZ numbers (port/controller)
So the upper right hand port on controller A contains ‘14’ meaning the WWPN for that port
is 20:14:00:80:E5:xx:xx:xx and it is port 1 on controller A
24 14
44 34
35 45
15 25
Page 8 © 2012 IBM Corporation
9. IBM Storage Systems WWPN Determination Version 6.5
DS5100 and DS5300 WWPN Determination
WWNN is based on: 20:0Z:00:A0:B8:xx:xx:xx where xxxxxx is unique for each machine
WWPN is based on: 20:YZ:00:A0:B8:xx:xx:xx where xxxxxx is unique for each machine
The Y value is the port number. For DS5000 this ranges from 1 to 8.
If Z = 4 or 6 then the port is on controller A
If Z = 5 or 7 then the port is on controller B
In the examples on the next page , the numbers shown in the boxes are YZ numbers (port/controller)
So the upper right hand port contains ‘16’ meaning the WWPN for that port is 20:16:00:A0:B8:xx:xx:xx and it is port 1 on
controller A
Page 9 © 2012 IBM Corporation
10. IBM Storage Systems WWPN Determination Version 6.5
DS5100 and DS5300 WWPN Determination - diagram
(Optional Card)
86 76 66 56 46 36 26 16
Controller A Controller A
Controller B Controller B
17 27 37 47 57 67 77 87
(Optional Card)
Page 10 © 2012 IBM Corporation
11. IBM Storage Systems WWPN Determination Version 6.5
DS6800 WWPN Determination
WWNN is based on either:
50:05:07:63:0Z:FE:xx:xx where the Z and xx:xx combination is unique for each machine
or
50:05:07:63:0Z:FF:xx:xx where the Z and xx:xx combination is unique for each machine
WWPN is based on: 50:05:07:63:0Z:YY:xx:xx where xx:xx is unique for each machine
The YY value is the port number..
When the WWNN is 50:05:07:63:0z:FE:xx:xx
then the WWPN will contain even YY numbers (00,02,04,06 and 80,82,84,86)
When the WWNN is 50:05:07:63:0z:FF:xx:xx
then the WWPN will contain odd YY numbers (01,03,05,07 and 81,83,85,87)
dscli> lssi
Name ID Storage Unit Model WWNN State ESSNet
============================================================================
- IBM.1750-1357580 IBM.1750-1357580 511 500507630EFF04C1 Online Enabled
dscli> lsioport
ID WWPN State Type topo portgrp
============================================================
I0000 500507630E0104C1 Online Fibre Channel SCSI-FCP 0
I0001 500507630E0304C1 Online Fibre Channel SCSI-FCP 0
I0002 500507630E0504C1 Online Fibre Channel SCSI-FCP 0
I0003 500507630E0704C1 Online Fibre Channel SCSI-FCP 0
I0100 500507630E8104C1 Online Fibre Channel SCSI-FCP 0
I0101 500507630E8304C1 Online Fibre Channel SCSI-FCP 0
I0102 500507630E8504C1 Online Fibre Channel SCSI-FCP 0
I0103 500507630E8704C1 Online Fibre Channel SCSI-FCP 0
Page 11 © 2012 IBM Corporation
12. IBM Storage Systems WWPN Determination Version 6.5
DS6800 WWPN Determination - diagram
If the WWNN is I0000 I0001 I0002 I0003
50:05:07:63:0z:FE:xx:xx
the WWPN will have even YY numbers:
50:05:07:63:0z:YY:xx:xx 00
00 02 04 06 Each port has a unique
where YY will be 00, 02, 04, 06, 80, 82, 84, 86 01
01 03 05 07 port ID.
In FICON mode
this is used as the SAID
It is also the SAID
for PPRC paths.
Upper Controller
Lower Controller
I0100 I0101 I0102 I0103
If the WWNN is
00
00
80 82 84 86 50:05:07:63:0z:FF:xx:xx
then the WWPN will have odd YY numbers:
0101
81 83 85 87 50:05:07:63:0z:YY:xx:xx
where YY will be 01, 03, 05, 07, 81, 83, 85, 87
Page 12 © 2012 IBM Corporation
13. IBM Storage Systems WWPN Determination Version 6.5
DS8000 WWPN Determination
DS8000 WWNN is on: 50:05:07:63:0z:FF:Cx:xx or 50:05:07:63:0z:FF:Dx:xx
The z and x:xx values will be a unique combination for each machine and each Storage Facility Image (SFI).
Each SFI has its own WWNN. The Storage Unit itself also has a unique WWNN.
Use lssi to get the SFI WWNN (don’t use lssu):
DS8000 WWPN is a child of the SFI WWNN, based on 50:05:07:63:0z:YY:Yx:xx
Take the z and x:xx value from the WWNN and use the YY:Y location derived from the port location as per the diagrams on
the next five pages.
All DS8000 diagrams are from a REAR view of the machine.
There are no differences for WWPN determination between DS8100, DS8300, DS8700 and DS8800
dscli> lssi IBM.2107-7503461
Name ID Storage Unit Model WWNN State ESSNet
============================================================================
- IBM.2107-7503461 IBM.2107-7503460 922 5005076303FFC08F Online Enabled
dscli> lsioport -dev IBM.2107-7503461
ID WWPN State Type topo portgrp
===============================================================
I0000 500507630300008F Online Fibre Channel-SW SCSI-FCP 0
I0001 500507630300408F Online Fibre Channel-SW SCSI-FCP 0
I0002 500507630300808F Online Fibre Channel-SW SCSI-FCP 0
I0003 500507630300C08F Online Fibre Channel-SW SCSI-FCP 0
Page 13 © 2012 IBM Corporation
14. IBM Storage Systems WWPN Determination Version 6.5
DS8000 diagram legend (also applies to DS8800)
HA means Host Adapter
DA means Device Adapter
IOPORT number (seen in lsioport)
Also used as the SAID for FICON
and PPRC path establishment.
See page 17 for additional information.
WWPN number.
If the number in the box is 04:C
then the WWPN will be:
50:05:07:6z:04:Cx:xx
The 'z' and 'x:xx' combination
are unique for each SFI
RIO connectors not present
on DS8700 or DS8800
Page 14 © 2012 IBM Corporation
15. IBM Storage Systems WWPN Determination Version 6.5
DS8100 DS8300 DS8700 Rack 1
WWPN / IOPORT / SAID
Page 15 © 2012 IBM Corporation
16. IBM Storage Systems WWPN Determination Version 6.5
DS8100 DS8300 DS8700 Rack 2
WWPN / IOPORT / SAID
Page 16 © 2012 IBM Corporation
17. IBM Storage Systems WWPN Determination Version 6.5
DS8800 Eight Port Host Adapters
The DS8800 is different to earlier models in that it supports host adapters with eight ports.
The DS8800 also supports host adapters with four ports.
The maximum port count for a DS8800 remains 128 ports (which is the same as earlier models).
The maximum host adapter count for a DS8800 is 16 (which is less than earlier models which support 32)
Only slots C1 and C4 in each enclosure are used for host adapters
Where a four port host adapter is used, only the top 4 ports will be present on that card.
Note that for the eight port card, when an ESS800/DS8100/DS8300 connects to the lower four ports of the eight port card, the
SAID it will report will NOT be the same as the IOport number. These special SAIDs are documented in Techdoc TD105862
which can be found here:
http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/TD105862
Page 17 © 2012 IBM Corporation
18. IBM Storage Systems WWPN Determination Version 6.5
DS8800 Rack 1 - Shipped before Dec 2011
I0000 I0030 I0100 I0130
000 030 080 0B0
I0001 I0031 I0101 I0131
004 034 084 0B4
I0002 I0032 I0102 I0132
008 038 088 0B8
WWPN / IOPORT / SAID* (see notes)
I0003 I0033 I0103 I0133
00C 03C 08C 0BC
I0004 I0034 I0104 I0134
400 430 480 4B0
I0005 I0035 I0105 I0135
404 434 484 4B4
I0006 I0036 I0106 I0136
408 438 488 4B8
I0007 I0037 I0107 I0137
40C 43C 48C 4BC
Location R1-XI1 Bay00 Location R1-XI2 Bay01
I0200 I0230 I0300 I0330
100 130 180 1B0
I0201 I0231 I0301 I0331
104 134 184 1B4
I0202 I0232 I0302 I0332
108 138 188 1B8
I0203 I0233 I0303 I0333
10C 13C 18C 1BC
I0204 I0234 I0304 I0334
500 530 580 5B0
I0205 I0235 I0305 I0335
504 534 584 5B4
I0206 I0236 I0306 I0336
508 538 588 5B8
I0207 I0237 I0307 I0337
50C 53C 58C 5BC
Location R1-XI3 Bay02 Location R1-XI4 Bay03
Page 18 © 2012 IBM Corporation
19. IBM Storage Systems WWPN Determination Version 6.5
I0400 I0430 I0500 I0530
DS8800 Rack 2 - Shipped before Dec 2011
200 230 280 2B0
I0401 I0431 I0501 I0531
204 234 284 2B4
I0402 I0432 I0502 I0532
208 238 288 2B8
WWPN / IOPORT / SAID* (see notes)
I0403 I0433 I0503 I0533
20C 23C 28C 2BC
I0404 I0434 I0504 I0534
600 630 680 6B0
I0405 I0435 I0505 I0535
604 634 684 6B4
I0406 I0436 I0506 I0536
608 638 688 6B8
I0407 I0437 I0507 I0537
60C 63C 68C 6BC
Location R2-XI1 Bay04 Location R2-XI2 Bay05
I0600 I0630 I0700 I0730
300 330 380 3B0
I0601 I0631 I0701 I0731
304 334 384 3B4
I0602 I0632 I0702 I0732
308 338 388 3B8
I0603 I0633 I0703 I0733
30C 33C 38C 3BC
I0604 I0634 I0704 I0734
700 730 780 7B0
I0605 I0635 I0705 I0735
704 734 784 7B4
I0606 I0636 I0706 I0736
708 738 788 7B8
I0607 I0637 I0707 I0737
70C 73C 78C 7BC
Location R2-XI3 Bay06 Location R2XI4 Bay07
Page 19 © 2012 IBM Corporation
20. IBM Storage Systems WWPN Determination Version 6.5
DS8800 WWPN changes
Machines built starting mid December 2011 will use slightly different WWPNs.
The three digit segment of the WWPN that identifies each port will be ‘1’ higher.
This means for instance where port I0300 on an older machine had a WWPN segment of 18:0 on a new machine it will be 18:1
This means for instance where port I0301 on an older machine had a WWPN segment of 18:4 on a new machine it will be 18:5
This means for instance where port I0302 on an older machine had a WWPN segment of 18:8 on a new machine it will be 18:9
This means for instance where port I0303 on an older machine had a WWPN segment of 18:C on a new machine it will be 18:D
This change will also affect DS8700s built after December 2011.
This change does not affect existing machines, only machines shipped new from plant after mid December 2011.
Page 20 © 2012 IBM Corporation
21. IBM Storage Systems WWPN Determination Version 6.5
I0000 I0030 I0100 I0130
001 031 081 0B1
DS8800 Rack 1 - Shipped after Dec 2011
I0001 I0031 I0101 I0131
005 035 085 0B5
I0002 I0032 I0102 I0132
009 039 089 0B9
WWPN / IOPORT / SAID* (see notes)
I0003 I0033 I0103 I0133
00D 03D 08D 0BD
I0004 I0034 I0104 I0134
401 431 481 4B1
I0005 I0035 I0105 I0135
405 435 485 4B5
I0006 I0036 I0106 I0136
409 439 489 4B9
I0007 I0037 I0107 I0137
40D 43D 48D 4BD
Location R1-XI1 Bay00 Location R1-XI2 Bay01
I0200 I0230 I0300 I0330
101 131 181 1B1
I0201 I0231 I0301 I0331
105 135 185 1B5
I0202 I0232 I0302 I0332
109 139 189 1B9
I0203 I0233 I0303 I0333
10D 13D 18D 1BD
I0204 I0234 I0304 I0334
501 531 581 5B1
I0205 I0235 I0305 I0335
505 535 585 5B5
I0206 I0236 I0306 I0336
509 539 589 5B9
I0207 I0237 I0307 I0337
50D 53D 58D 5BD
Location R1-XI3 Bay02 Location R1-XI4 Bay03
Page 21 © 2012 IBM Corporation
22. IBM Storage Systems WWPN Determination Version 6.5
I0400 I0430 I0500 I0530
201 231 281 2B1
DS8800 Rack 2 – Shipped after Dec 2011
I0401 I0431 I0501 I0531
205 235 285 2B5
I0402 I0432 I0502 I0532
209 239 289 2B9
WWPN / IOPORT / SAID* (see notes)
I0403 I0433 I0503 I0533
20D 23D 28D 2BD
I0404 I0434 I0504 I0534
601 631 681 6B1
I0405 I0435 I0505 I0535
605 635 685 6B5
I0406 I0436 I0506 I0536
609 639 689 6B9
I0407 I0437 I0507 I0537
60D 63D 68D 6BD
Location R2-XI1 Bay04 Location R2-XI2 Bay05
I0600 I0630 I0700 I0730
301 331 381 3B1
I0601 I0631 I0701 I0731
305 335 385 3B5
I0602 I0632 I0702 I0732
309 339 389 3B9
I0603 I0633 I0703 I0733
30D 33D 38D 3BD
I0604 I0634 I0704 I0734
701 731 781 7B1
I0605 I0635 I0705 I0735
705 735 785 7B5
I0606 I0636 I0706 I0736
709 739 789 7B9
I0607 I0637 I0707 I0737
70D 73D 78D 7BD
Location R2-XI3 Bay06 Location R2XI4 Bay07
Page 22 © 2012 IBM Corporation
23. IBM Storage Systems WWPN Determination Version 6.5
Enterprise Storage Server (ESS 2105) WWPN / SAID determination
An ESS WWNN is in the format: 50:05:07:63:00:C0:xx:xx
xx:xx is a unique value assigned by manufacturing
WWPN is 50:05:07:63:00:YY:xx:xx where YY is taken from the slot position of the card as per the following diagram:
C4 C3 C2 C1 CC CB CA C9 C8 C7 C6 C5 D0 CF CE CD
Slot 1 Slot 2 Slot 3 Slot 4 Slot 1 Slot 2 Slot 3 Slot 4 Slot 1 Slot 2 Slot 3 Slot 4 Slot 1 Slot 2 Slot 3 Slot 4
Host Bay 1 Host Bay 2 Host Bay 3 Host Bay 4
To establish PPRC paths using 2105s,we need an SAID which is ’00YY’ with the YY value as per the following diagram:
NOTE: Fibre channel HBAs only have one port (the upper box in each slot, the lower box will not exist.
ESCON adapters have two ports so both boxes apply.
00 04 08 0C 20 24 28 2C 80 84 88 8C A0 A4 A8 AC
01 05 09 0D 21 25 29 2D 81 85 89 8D A1 A5 A9 AD
Slot 1 Slot 2 Slot 3 Slot 4 Slot 1 Slot 2 Slot 3 Slot 4 Slot 1 Slot 2 Slot 3 Slot 4 Slot 1 Slot 2 Slot 3 Slot 4
Page 23 © 2012 IBM Corporation
24. IBM Storage Systems WWPN Determination Version 6.5
Enterprise Storage Server (ESS 2105) WWPN display
Here is an example of how to list the WWPNs of an ESS (2105).
This output was produced using an ESSCLI command, not a DSCLI command. To get a copy of ESSCLI contact your
SSR. You cannot download ESSCLI from a public internet site.
You need to change the IP address and user/password to match your machine
C:Program FilesibmESScli> esscli -u storwatch -p specialist -s 9.1.1.1 list port
Mon Jan 23 15:40:43 EST 2006 IBM ESSCLI 2.4.0
Port Loc Type Speed Protocol Topology WWN Status
---- ------ ----- ----- -------- -------- ---------------- -----------
00 B1A1PA FIBRE 2Gb FCP P2P 5005076300C49517 operational
04 B1A2PA FIBRE 2Gb FCP P2P 5005076300C39517 operational
08 B1A3PA FIBRE 2Gb FICON P2P 5005076300C29517 operational
0C B1A4PA FIBRE 2Gb FCP P2P 5005076300C19517 operational
20 B2A1PA FIBRE 2Gb FCP P2P 5005076300CC9517 operational
24 B2A2PA FIBRE 2Gb FCP P2P 5005076300CB9517 operational
28 B2A3PA FIBRE 2Gb FICON P2P 5005076300CA9517 operational
2C B2A4PA FIBRE 2Gb FCP P2P 5005076300C99517 operational
80 B3A1PA FIBRE 2Gb FCP P2P 5005076300C89517 operational
84 B3A2PA FIBRE 2Gb FCP P2P 5005076300C79517 operational
88 B3A3PA FIBRE 2Gb FCP P2P 5005076300C69517 operational
8C B3A4PA FIBRE 2Gb FCP P2P 5005076300C59517 operational
A0 B4A1PA FIBRE 2Gb FCP P2P 5005076300D09517 operational
A4 B4A2PA FIBRE 2Gb FCP P2P 5005076300CF9517 operational
A8 B4A3PA FIBRE 2Gb FCP P2P 5005076300CE9517 operational
AC B4A4PA FIBRE 2Gb FCP P2P 5005076300CD9517 operational
Page 24 © 2012 IBM Corporation
25. IBM Storage Systems WWPN Determination Version 6.5
SAN Volume Controller (SVC – 2145) WWPN determination
WWNN is based on 50:05:07:68:01:0x:xx:xx where x:xx:xx is unique for each machine
WWPN is based on: 50:05:07:68:01:Yx:xx:xx where x:xx:xx is unique for each machine and the Y value is taken from the
port position.
The number in each box is the Y value.
Port numbers (used for servicing) are always sequentially numbered left to right (viewed from the rear of the node)
So for example port 1 the left hand most port, contains a 4,
so a WWPN presented by this port would look like: 50:05:07:68:01:4x:xx:xx
4 3 1 2
Port 1 Port 2 Port 3 Port 4
2145-4F2 or 2145-8F2 (8F2 hardware shown)
Page 25 © 2012 IBM Corporation
26. IBM Storage Systems WWPN Determination Version 6.5
SAN Volume Controller (SVC – 2145) WWPN determination
The number in each box is the Y value.
Port numbers (used for servicing) are always sequentially numbered left to right (viewed from the rear of the node)
So for example port 1 contains a 4, so a WWPN presented by this port would look like: 50:05:07:68:01:4x:xx:xx
2145-8F4
4 3 1 2
Port 1 Port 2 Port 3 Port 4
2145-8A4 or 2145-8G4 or 2145-CF8 or 2145-CG8 (8G4 hardware shown)
Page 26 © 2012 IBM Corporation
27. IBM Storage Systems WWPN Determination Version 6.5
Storwize V7000 (2076-112/124/312/324) WWPN determination
The Storwize V7000 consists of two node canisters . The WWNN of each node canister will be based on
50:05:07:68:02:0x:xx:xx where x:xx:xx is unique for each node canister. It is unrelated to the WWNN of the other node
canister though the last number of the two WWNNs are normally sequential.
The WWPN is based on: 50:05:07:68:02:Yx:xx:xx where x:xx:xx is unique for each node canister and the Y value is taken
from the port position. Note that the lower canister is upside down in relation to the upper canister.
The number in each black box is the Y value. It is also the port number, This means the Y value and the port number are
the same number (unlike the SVC).
So for example, port 1 (the upper left hand most port), contains a 1, so a WWPN presented by this port would look like:
50:05:07:68:02:1x:xx:xx.
Upper node canister(1)
1 2
3 4
4 3
2 1
Lower node canister(2)
Page 27 © 2012 IBM Corporation
28. IBM Storage Systems WWPN Determination Version 6.5
XIV (2810/2812 - A14) WWPN Determination – Generation 2
WWNN Determination
WWNN format is 50:01:73:8x:xx:xx:00:00 where x:xx:xx is the 5 digit XIV serial
number in hexadecimal. This means if you know the XIV serial number, you can
convert it from the 5 digit decimal number to hexadecimal and determine the WWNN.
WWPN Determination
WWPNs will be in the format: 50:01:73:8x:xx:xx:RR:MP
where x:xx:xx is the 5 digit XIV serial number in hexadecimal and:
– RR: Rack ID (currently always 01)
M: Module ID (4 to 9)
P: Port ID (0 to 3)
In the diagram to the right, the MP value (Module/Port)
which make up the last two digits of the WWPN) is shown in red.
The diagram represents the patch panel found at the rear of rack 1.
Hardware Dependencies
There are two Fibre Channel HBAs in each XIV module.
Ports 1 and 2 are on the left hand HBA.
Ports 3 and 4 are on the right hand HBA.
Port 2 Port 4
C:>xcli –m 10.0.0.10 -u admin -p adminadmin fc_port_list
Component ID Status Currently Functioning WWPN
1:FC_Port:4:1 OK yes 5001738000350140
1:FC_Port:4:2 OK yes 5001738000350141 Port 1 Port 3
1:FC_Port:4:3 OK yes 5001738000350142
1:FC_Port:4:4 OK yes 5001738000350143
Page 28 © 2012 IBM Corporation
29. IBM Storage Systems WWPN Determination Version 6.5
XIV (2810/2812 - 114) WWPN Determination – Gen3
WWNN Determination
WWNN format is 50:01:73:8x:xx:xx:00:00 where x:xx:xx is the 5 digit XIV serial
number in hexadecimal. This means if you know the XIV serial number, you can
convert it from the 5 digit decimal number to hexadecimal and determine the WWNN.
WWPN Determination
WWPNs will be in the format: 50:01:73:8x:xx:xx:RR:MP
where x:xx:xx is the 5 digit XIV serial number in hexadecimal and:
– RR: Rack ID (currently always 01)
M: Module ID (4 to 9)
P: Port ID (0 to 3)
In the diagram to the right, you can see the module numbers and port numbers.
The diagram represents the patch panel found at the rear of rack 1 of an XIV Gen3.
You will note the ports are physically numbered 1 to 4 but the WWPN port numbers go from 0 to 3.
This means that:
- a WWPN that ends in 0140 is rack 1, module 4, port 1
- a WWPN that ends in 0143 is rack 1, module 4, port 4.
C:>xcli –m 10.0.0.10 -u admin -p adminadmin fc_port_list
Component ID Status Currently Functioning WWPN
1:FC_Port:4:1 OK yes 5001738000350140
1:FC_Port:4:2 OK yes 5001738000350141
1:FC_Port:4:3 OK yes 5001738000350142
1:FC_Port:4:4 OK yes 5001738000350143
Page 29 © 2012 IBM Corporation
30. IBM Storage Systems WWPN Determination Version 6.5
Version history
Version 2 Version 4.1 (November 2008)
Added DS4000 (FastT) Corrected XIV (ports were upside down) and added 2145-8A4
Version 4.2 (June 2009)
Changed DS8000 I/O enclosures from 0-7 to 1-8
Corrected DS8000 Rack 1 I/O enclosure 4 error with card slot 5 (thanks Dong Hai Yu)
Added DS8000 ioport numbers for enclosures 5-8
Minor textual corrections. Also changed ESS 2105 diagram colors to split WWPN from
Added DS6000 ioport numbers SAID.
Added examples of lsioport Version 4.3 (August 2009)
XIV updates, added 2812, changed XIV image
Version 3.1
Version 4.4 (December 2009)
Corrected DS8000 I/O Enclosure numbering
Added 2145-CF8 and DS8700
Added lsioport examples for DS6000 and DS8000 Version 4.5 (December 2009)
Added 2145-8F2 Added details on DS3400 and DS5000
General cleanup to improve appearance Version 4.6 (February 2010)
Version 3.2 Minor changes
Added more details on SAID Version 5.0 (March 2010)
Version 3.3 Complete re-write using Microsoft Visio based diagrams
Tidy up of the formatting Version 5.1 (September 2010)
Version 3.4 Note that XIV serial number is in WWNN and WWPN in hex (thanks Hannes Bellmer)
Added 2145-8F4 and minor edits Version 6.0 (October 2010)
Version 3.5 (July 4, 2006) Added DS8800 and Storwize V7000
Update to reflect wider WWNN range now being used by DS8000 Version 6.1 (December 2010)
Version 3.6 (January 2007) Updated DS5020. Added DS3500. Corrected naming in Storwize V7000
Update to reflect wider WWNN range now being used by DS8000 Version 6.2 (January 2011)
Additional text on WWPN and WWNN Corrected DS8800 Rack 2 Bay Numbers (thanks to Ray Koehler)
Version 3.7 Version 6.3 (August 2011)
Added details on DS4800 (contributed by Glen Routley) Added XIV Gen3, 2145-CG8
Version 3.8 (July 2007) Version 6.4 (November 2011)
Added 2145-8G4 Added reference to SAID special handling use cases
Version 3.9 Increased DS8000 WWNN range
Updated verbage and added Copyright to every page Minor corrections
Version 4.0 (August 2008) (with suggestions and proof reading corrections from Glen Version 6.5 (January 2012)
Routley) Increased DS8000 WWPN range
Collapsed down the number of pages from 33 to 17
Added XIV R2 product (2810-A14)
Page 30 © 2012 IBM Corporation
31. IBM Storage Systems WWPN Determination Version 6.5
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