We had SAN issues. A system running with Veritas got unusable and was crashed with a coredump.

Issue

• We had SAN issues. A system running with Veritas got unusable and was crashed with a coredump.
• Could you please give us feedback on the points that Symantec have raised below?

crash> bt 25329 
PID: 25329 TASK: ffff883fa6492040 CPU: 15 COMMAND: "vxconfigd" 
#0 [ffff883ce927b878] schedule at ffffffff8150db42 
#1 [ffff883ce927b940] io_schedule at ffffffff8150e323 
#2 [ffff883ce927b960] sync_page at ffffffff81119ded 
#3 [ffff883ce927b970] __wait_on_bit_lock at ffffffff8150eb8a 
#4 [ffff883ce927b9c0] __lock_page at ffffffff81119d87 
#5 [ffff883ce927ba20] truncate_inode_pages_range at ffffffff81130f23 
#6 [ffff883ce927bb10] truncate_inode_pages at ffffffff81130fd5 
#7 [ffff883ce927bb20] kill_bdev at ffffffff811bb9ba 
#8 [ffff883ce927bb40] __blkdev_put at ffffffff811bcb00 
#9 [ffff883ce927bb90] blkdev_put at ffffffff811bcb40 
#10 [ffff883ce927bba0] blkdev_close at ffffffff811bcb83 
#11 [ffff883ce927bbd0] __fput at ffffffff81182825 
#12 [ffff883ce927bc20] fput at ffffffff81182965 
#13 [ffff883ce927bc30] filp_close at ffffffff8117ddbd 
#14 [ffff883ce927bc60] put_files_struct at ffffffff810712cf 
#15 [ffff883ce927bcb0] exit_files at ffffffff81071393 
#16 [ffff883ce927bce0] do_exit at ffffffff8107340d 
#17 [ffff883ce927bd60] do_group_exit at ffffffff81073b48 
#18 [ffff883ce927bd90] get_signal_to_deliver at ffffffff81088e36 
#19 [ffff883ce927be30] do_signal at ffffffff8100a265 
#20 [ffff883ce927bf30] do_notify_resume at ffffffff8100aa80 
#21 [ffff883ce927bf50] int_signal at ffffffff8100b341 
RIP: 0000000000a17430 RSP: 00000000e3d7f3d4 RFLAGS: 00000296 
RAX: fffffffffffffffc RBX: 0000000000000015 RCX: 00000000e3d7f400 
RDX: 0000000000000200 RSI: 0000000000000015 RDI: 00000000ce002fc0 
RBP: 00000000e3d7f608 R8: 0000000000000000 R9: 0000000000000000 
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 
ORIG_RAX: 0000000000000003 CS: 0023 SS: 002b