查看磁盘IO
sudo timeout 60 dd if=/dev/zero of=/root/a.dat bs=8k count=20K oflag=direct
查看内存是否损坏
grep "[0-9]" /sys/devices/system/edac/mc/mc*/csrow*/ch*_ce_count
# count不为0表示有错误
或
yum -y install install memtester
memtester 700M 1
标签:count,mc,dd,内存,install,磁盘,健康检查 From: https://www.cnblogs.com/libruce/p/17005175.html