Disabling Zoning Using Linux - Western Digital Ultrastar ScaleUp SE4U102 User Manual

User Guide
smp_discover_list /dev/bsg/expander-9:39
c. Zone group 9 can be identified by the
above example displays PHYs 0-13 as being in zone group 9. All other devices are labeled
as
inaccessible
can be repeated on other hosts to see what zone group each host has access to.
d. Issue the following command to access all hosts smp_discover_list:
smp_discover_list --ignore /dev/bsg/expander-9:39
e. Zone group 9, 10, 11, 12, 13, and 14 can be identified by the
group in each of their respective zones. The above example displays PHYs 0-13 as being in
zone group 9, PHYs 14-27 as being in zone group 10, and so on.
4.7.5 Disabling Zoning using Linux
Step 1 : From the host server, identify the sg devices that are associated with the Ultrastar Data102
IOMs.
a. Issue the following command:
sg_scan -i | grep -i H4102-J -B 1
b. Identify the sg devices from the output. The devices can be identified by the <dev>. The
devices appear as /dev/sg3 and /dev/sg106 bolded in the example below.
/dev/sg3: scsi9 channel=0 id=43 lun=0
'--
/dev/sg106: scsi9 channel=0 id=196 lun=0
c. Record the sg device numbers for use in a later step.
Step 2 : Identify the IOM SAS Address for both IOMs sg_ses page 7h.
a. Issue the following command:
sg_ses <dev> -p7 | grep -i esce
b. Identify the IOM SAS address for both IOMs from the output. Each address appears before
the IP Address as bolded in the example below.
Element 0 descriptor: ESCE IOMA,1EB0246-B2
Element 1 descriptor: ESCE IOMB,1EB0246
c. Record the IOM SAS Addresses for use in a later step.
Step 3 : Verify the IOM SAS Address that matches each sg_device that is linked to each IOM using
sg_vpd page 83h.
a. Issue the following command:
because the host is displaying the only devices it has access to. The step
HGST H4102-J 0101 [rmb=0 cmdq=1 pqual=0 pdev=0xd]
HGST H4102-J 0101 [rmb=0 cmdq=1 pqual=0 pdev=0xd]
,5000CCAB0300003C,10.202.238.225
,5000CCAB0300007C,10.202.239.201
located at the end of each line in zone 9. The
ZG:9
located at the end of each
ZG
,THCLS03517EL0091
,THCLS03517EL0052
4. Management
4.7 Zoning
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