Originally posted by: Premek

Hi,

 

we have continuous problems with our FC. We have multipath environment so there is no impact on system, but errpt log is filling with PATH HAS FAILED errors, followed PATH HAS RECOVERED and sometimes between those two are also DISK OPERATION ERROR or LINK ERROR. It is usually with same timestamp so it maybe happen all in one second ...

Our FC guys investigated, that sometimes not configured ports on other machines sending false data into infrastructure  and causing this .. but we would like to get rid of those false alerts which are flooding our logs ...

Do you know some APAR or some setting that we could extend timeout for such events and system would stop reporting them ?

Thank you,

Premysl Krcmar

Unix support

Originally posted by: matekamoris

Hi,

 

I have the same problem ! Our SAN team -with the colloboration of EMC- says that these problems can comes from old powerpath versions. We are upgrading all powerpath. Maybe this problem will be resolved.

# errpt | grep "DISK OPERATION ERROR"
B6267342   0602140113 P H hdisk19        DISK OPERATION ERROR
B6267342   0602140113 P H hdisk19        DISK OPERATION ERROR
B6267342   0602085213 P H hdisk16        DISK OPERATION ERROR
B6267342   0602085213 P H hdisk16        DISK OPERATION ERROR
B6267342   0602085213 P H hdisk7         DISK OPERATION ERROR
B6267342   0602085213 P H hdisk7         DISK OPERATION ERROR
B6267342   0602085213 P H hdisk12        DISK OPERATION ERROR
B6267342   0602085213 P H hdisk12        DISK OPERATION ERROR
B6267342   0602085213 P H hdisk14        DISK OPERATION ERROR
B6267342   0602085213 P H hdisk14        DISK OPERATION ERROR
B6267342   0602085213 P H hdisk19        DISK OPERATION ERROR
B6267342   0602085213 P H hdisk19        DISK OPERATION ERROR
DCB47997   0527120513 T H hdisk65        DISK OPERATION ERROR
DCB47997   0527120513 T H hdisk48        DISK OPERATION ERROR
DCB47997   0318164313 T H hdisk8         DISK OPERATION ERROR
DCB47997   0318164313 T H hdisk8         DISK OPERATION ERROR
DCB47997   0315021913 T H hdisk57        DISK OPERATION ERROR
 

Please let me know if you find a solution.

Best.

Benoît.

Originally posted by: LaurentOliva

what are the value of SENSE DATA field ?

I recommend you to read this great document :

http://publibfp.dhe.ibm.com/epubs/pdf/c2343293.pdf

 

Sometimes, you have to cleanup the fiber optic cable because of the dust..

 

Originally posted by: rwong

Hi Benoit,

 

I have the similar issue and it happens every time when an lspv command is executed and all the hdisk errors are on non-owning hdisks.

Did you find the solution for your problem?

Thanks

 

Ren

 

 

Originally posted by: Rpat

Hi Team,

 

We are also facing the same problem, but LUNS are not visible on storage array also.

 

# lsdev -Cc adapter | grep fcs

fcs0    Available 01-08 FC Adapter

fcs1    Available 01-09 FC Adapter

fcs2    Available 02-08 FC Adapter

fcs3    Available 02-09 FC Adapter

fcs4    Available 07-00 4Gb FC PCI Express Adapter (df1000fe)

fcs5    Available 07-01 4Gb FC PCI Express Adapter (df1000fe)

fcs6    Available 05-00 4Gb FC PCI Express Adapter (df1000fe)

fcs7    Available 05-01 4Gb FC PCI Express Adapter (df1000fe)

# uname -a

AIX localhost 1 6 00C75D644C00

#

 

IDENTIFIER TIMESTAMP  T C RESOURCE_NAME  DESCRIPTION

B6267342   1231162515 P H hdisk7         DISK OPERATION ERROR

B6267342   1231162515 P H hdisk7         DISK OPERATION ERROR

B6267342   1231162515 P H hdisk5         DISK OPERATION ERROR

B6267342   1231162515 P H hdisk5         DISK OPERATION ERROR

B6267342   1231162515 P H hdisk6         DISK OPERATION ERROR

B6267342   1231162515 P H hdisk6         DISK OPERATION ERROR

B6267342   1231162515 P H hdisk6         DISK OPERATION ERROR

 

if anyone have idea it would be very helpful.. :)