笔者新购了一台华为 RH 2288H V2 服务器，此服务器自带的SAS卡为RAID阵列卡（1GB版本+电池），由于习惯了使用直通卡，但又不想直接刷IT固件（这样会无法使用RAID模式，白白浪费掉1GB缓存+电池），因此想为部分硬盘启用JBOD模式（相当于直通）。
由于LSI 2208阵列卡默认关闭JBOD模式，因此需在命令行手动开启，实际在操作时发现命令行开启JBOD模式报错，查阅文档后发现可能是固件版本过低，遂先升级固件后再次尝试开启JBOD。
升级固件：
LSI阵列卡的固件升级可通过Windows下的MSM软件、多平台通用的MegaCli软件、以及DOS。为了节约时间，决定使用笔者最熟悉的Windows+MegaCli进行固件升级。
注：笔者本打算在此服务器上使用ESXi系统，事实上使用ESXi+MegaCli进行固件升级会更快。
安装前需先创建一个RAID，作为Windows的安装位置（单盘可直接用RAID0）
踩坑：
1.此服务器安装Windows10会蓝屏，无法安装Windows10。
2.Windows7官方镜像无LSI 2208渠道，会出现不认盘现象，无法安装Windows7.(自行外接硬盘或使用WTG可解决此问题)
最终笔者选择安装Windows Server 2016，并安装成功。
安装完成后，下载以下文件：
1.MegaCli 软件：https://docs.broadcom.com/docs/12351587
另附LSI 2208阵列卡相关所有下载（官网链接）：https://www.broadcom.com/support/download-search?pg=Legacy+Products&pf=Legacy+RAID+Controllers&pn=MegaRAID+SAS+9270-8i&pa=&po=&dk=&pl=&l=false
下载完成后，解压。
将MegaCli文件夹下的“Windows”文件夹中的文件：MegaCli.exe 放置到目录： C:\Windows\System32\ 下
将下载的固件文件夹解压后，记录下（或复制） mr2208fw.rom这个文件所处的文件夹路径。
打开cmd
cd “mr2208fw.rom这个文件所处的文件夹路径” #具体路径依据实际情况而定
MegaCli -adpfwflash -f mr2208fw.rom -a0
然后等待执行完成即可。
重启后，进行如下两步骤：
1.出现提示时按下 Crtl+H 进入阵列卡图形化设置页面，删除当前所有虚拟磁盘（VD）配置，重启
2.出现提示时按下 Ctrl+Y 进入命令行页面。
AdpGetProp enablejbod -aALL #查看JBOD模式是否启用
AdpSetProp EnableJBOD 1 -aALL #启用JBOD模式
q #退出命令行
然后所有未配置的磁盘（未加入磁盘组DG、未创建虚拟磁盘VD的硬盘）将会自动转换为JBOD模式，也可以在配置页面手动关闭某块硬盘的JBOD模式。
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