Production server getting restarted automatically

  Hi All,

We have production server with SUSE 10.2 64 bit OS. We have installed oracle 10g (10.2.0.1.0) version (RAC) with 2 nodes.

Server often getting restarted automatically.

Here By i have enclosed alert log file

alert_node1:

Starting up ORACLE RDBMS Version: 10.2.0.1.0.

System parameters with non-default values:

  processes                = 2000

  __shared_pool_size       = 721420288

  __large_pool_size        = 16777216

  __java_pool_size         = 33554432

  __streams_pool_size      = 33554432

  spfile                   = +FLASH_RECOVERY_AREA/xxxxx/spfilexxxxx.ora

  trace_enabled            = FALSE

  sga_target               = 3741319168

  control_files            = +RUBIKON_DATA/xxxxx/controlfile/current.256.710355687, +FLASH_RECOVERY_AREA/xxxxx/controlfile/current.256.710355689

  db_block_size            = 8192

  __db_cache_size          = 2919235584

  compatible               = 10.2.0.1.0

  log_archive_dest_1       = LOCATION=+FLASH_RECOVERY_AREA/xxxxx/

  log_archive_format       = %t_%s_%r.dbf