My background is z/OS so please excuse me....
Question:
We have recently taken many hits (paths being lost, chip,ids etc
see below) for some of our DASD which z/VM sits on and Redhat, we are
looking into why. Each time we take such a hit we have lost different
instances of zLinux. Now I understand the concept the OS z/Vm does the I/O
and recovery through MIH etc. I am to assume then Redhat or SUSE any linux
running under z/VM is dependant on the operating system for recovery. So
it normal when taking a hit like the one below to loose a zLinux instance?
To me this sounds normal but wanted to make sure it wasn't something we
missed. We are going to try to set up something in TSA to better monitor
it but again just checking.
for example
10:24:23 HCPERP602I DASD 9DA1 AN INTERFACE CONTROL CHECK OCCURRED
10:24:23 HCPERP6303I SENSE = INVALID
10:24:23 HCPERP6304I IRB = 04C24017 46B22670 00020000 0010E480
10:24:23 HCPERP6305I USERID = LINUX1
10:24:23 HCPERP2216I CHANNEL PATH ID = C4
10:24:23 HCPERP2220I PHYSICAL CHANNEL PATH ID = 0403
10:24:31 HCPERP2252I DEV 6A42 PATH 6D NOT OPERATIONAL
10:24:31 HCPERP602I DEV 6A42 AN INTERFACE CONTROL CHECK OCCURRED
10:24:31 HCPERP6303I SENSE = 00000000 00000000 00000000 00000000 0000000
10:24:31 HCPERP6303I 00000000 00000000 00000000
10:24:31 HCPERP6304I IRB = 04824017 00000000 00020000 00084000
10:24:31 HCPERP6305I USERID = SYSTEM
10:24:31 HCPERP2216I CHANNEL PATH ID = 6D
10:24:31 HCPERP2220I PHYSICAL CHANNEL PATH ID = 0240
10:24:49 HCPERP2252I DEV F2B1 PATH 65 NOT OPERATIONAL
10:24:49 HCPERP2252I DEV F2B1 PATH 65 NOT OPERATIONAL
Thanks
Andy
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