Hi all, I have the following LUN which is showing OK with its two paths:
Code:
DEVICE PROPERTIES for disk: /dev/rdsk/c23t500507630A3BC579d123s2
Vendor: IBM
Product ID: 2107900
Revision: 3010
Serial Num: 75WB0114900
Unformatted capacity: 30720.000 MBytes
Write Cache: Enabled
Read Cache: Enabled
Minimum prefetch: 0x0
Maximum prefetch: 0x16
Device Type: Disk device
Path(s):
/dev/rdsk/c23t500507630A3BC579d123s2
/devices/pci@700/pci@2/pci@0/pci@3/pci@0/pci@2/SUNW,qlc@0,1/fp@0,0/ssd@w500507630a3bc579,7b:c,raw
LUN path port WWN: 500507630a3bc579
Host controller port WWN: 21000024ff45d3d7
Path status: O.K.
/dev/rdsk/c14t500507630A1BC579d123s2
/devices/pci@600/pci@1/pci@0/pci@4/pci@0/pci@2/SUNW,qlc@0,1/fp@0,0/ssd@w500507630a1bc579,7b:c,raw
LUN path port WWN: 500507630a1bc579
Host controller port WWN: 21000024ff45d2bd
Path status: O.K.
Now, I have instead this LUN, on the same server, which is a strange state:
Code:
root@MYHOST# luxadm display /dev/rdsk/c14t500507630A1BC579d124s2
DEVICE PROPERTIES for disk: /dev/rdsk/c14t500507630A1BC579d124s2
Vendor: IBM
Product ID: 2107900
Revision: 3010
Serial Num: 75WB0116146
Unformatted capacity: 512000.000 MBytes
Write Cache: Enabled
Read Cache: Enabled
Minimum prefetch: 0x0
Maximum prefetch: 0x16
Device Type: Disk device
Path(s):
/dev/rdsk/c14t500507630A1BC579d124s2
/devices/pci@600/pci@1/pci@0/pci@4/pci@0/pci@2/SUNW,qlc@0,1/fp@0,0/ssd@w500507630a1bc579,7c:c,raw
LUN path port WWN: 500507630a1bc579
Host controller port WWN: 21000024ff45d2bd
Path status: O.K.
root@MYHOST# luxadm display /dev/rdsk/c23t500507630A3BC579d124s2
DEVICE PROPERTIES for disk: /dev/rdsk/c23t500507630A3BC579d124s2
Vendor: IBM
Product ID: 2107900
Revision: 3010
Serial Num: 75WB0116146
Unformatted capacity: 512000.000 MBytes
Write Cache: Enabled
Read Cache: Enabled
Minimum prefetch: 0x0
Maximum prefetch: 0x16
Device Type: Disk device
Path(s):
/dev/rdsk/c23t500507630A3BC579d124s2
/devices/pci@700/pci@2/pci@0/pci@3/pci@0/pci@2/SUNW,qlc@0,1/fp@0,0/ssd@w500507630a3bc579,7c:c,raw
LUN path port WWN: 500507630a3bc579
Host controller port WWN: 21000024ff45d3d7
Path status: O.K.
Basically the paths are not aggregated as the LUN above, and I cannot understand why, to be honest. As you can see the Serial Number for that LUN is identical on both paths.
Any help is very welcome, thanks!
--
Diego
Please post entire format output for one disk without grep (working and not working)
Multipath enabled devices will have under the number and device name /scsi_vhci/... while other will have hardware path /pci ... or similar.
Hi Peasant, here the output you asked:
Code:
working LUN
501. c23t500507630A3BC579d123 <IBM-2107900-.166 cyl 3838 alt 2 hd 64 sec 256>
/pci@700/pci@2/pci@0/pci@3/pci@0/pci@2/SUNW,qlc@0,1/fp@0,0/ssd@w500507630a3bc579,7b
203. c14t500507630A1BC579d123 <IBM-2107900-.166 cyl 3838 alt 2 hd 64 sec 256>
/pci@600/pci@1/pci@0/pci@4/pci@0/pci@2/SUNW,qlc@0,1/fp@0,0/ssd@w500507630a1bc579,7b
not working LUN
204. c14t500507630A1BC579d124 <IBM-2107900-3010 cyl 63998 alt 2 hd 64 sec 256>
/pci@600/pci@1/pci@0/pci@4/pci@0/pci@2/SUNW,qlc@0,1/fp@0,0/ssd@w500507630a1bc579,7c
502. c23t500507630A3BC579d124 <IBM-2107900-3010 cyl 63998 alt 2 hd 64 sec 256>
/pci@700/pci@2/pci@0/pci@3/pci@0/pci@2/SUNW,qlc@0,1/fp@0,0/ssd@w500507630a3bc579,7c
The path are physical, as multipathing is done using Veritas software on those controllers.
Quote:
Originally Posted by Peasant
Are you sure you presented the LUN on both paths ?
Have in installed additional FC cards in the meantime ?
Yes, as I can enquiry them via luxadm. No additional FC cards added in the meantime
Quote:
Originally Posted by Peasant
Does :
Code:
mpathadm list lu
for the specified (no working) disk one path or there is no output for that disk ?
Hope that helps.
Best regards
Peasant.
There is not output for none of the disks I listed (both working and not working), as MPXIO is not enabled on those controllers.
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