Veritas Storage Foundation 5.1 SP1 for Oracle RAC Administrator"s Guide (5900-1512, April 2011)

Table A-1
List of health checks for LLT
DescriptionMessageList of health
checks
Checks whether the LLT module
runs in accordance with the
scheduled operating system timer.
The message indicates that the
operating system timer is not called
for the specified interval.
The parameter timer_threshold
contains the optimum threshold for
this check.
Warning: OS timer is not
called for num seconds
LLT timer
subsystem
scheduling check
Checks whether the kernel has
allocated sufficient memory to LLT
for cluster communication.
The message indicates that the
kernel attempts at allocating the
requisite memory has failed (num)
times.
The parameter
no_mem_to_xmit_allow contains
the optimum threshold for this
check.
Warning: Kernel failed
to allocate memory num
time(s)
OS memory
availability check
for the packet
transmission
Checks whether LLT has sufficient
bandwidth to accept incoming data
packets and transmit the data
packets. Flow control also depends
on the peer nodes’ ability to accept
incoming data traffic.
The message indicates that packet
transmission and reception was
controlled (num) and normalized
(num) times.
The parameter max_canput
contains the optimum threshold for
this check.
Flow-control occurred num
time(s)and back-enabled num
time(s) on port port number for
node node number
Flow control status
monitoring
List of SF Oracle RAC health checks
LLT health checks
268