文章目录1.fru读1.1 fru格式1.2 fru-device扫描读取解析推送1.3 entity-managerrun函数processDbusObjects函数system.json推上dbus1.4 phosphor-ipmi-host1.5 phosphor-ipmi-fru2.fru写2.1 phosphor-ipmi-host1.fru读eeprom24c04是4Kbit即4000/8=512字节容量。MX25U51293G容量是512Mbit即512/8 = 64MB，参考【19】单位换算。NAND flash：SSD固态硬盘/u盘/存储卡，NOR Flash：适用于快速读取和执行如bmc flash。/sys/bus/i2c/devices/i2c-14/14-0050# cat eeprom | wc -c32768/sys/bus/i2c/devices/i2c-14/14-0050# dd if=/dev/zero bs=1 count=32768 | tr '\0' '\377' eeprom# ipmitool -I lanplus -H 17