[FZH] fedora14的mdadm更新疑问

[Tommy He]

其实没什么风险的……另外经过个人检验不生成 ramdisk 也可以的……

注意现在需要用 dracut 生成 ramdisk，而不是原先的 mkinitrd 命令。

所谓的 ramdisk 就是 /boot 分区里的 initramfs 开头的一系列文件，每个内核 vmlinuz 有自己的 initramfs 对应。

如果要重建当前内核的 ramdisk 的话，参考使用如下命令：

mv initramfs-$(uname -r).img initramfs-$(uname -r).img.bak // 首先备份
dracut initramfs-$(uname -r).img $(uname -r) //然后创建新的

2010/12/11 alick <alick9188 at gmail.com>:
> Hi all
>
> 最近mdadm有更新，更新信息里面写道，
> It is recommended that users remake their initramfs images they boot
> from after installing this update and then reboot their machine to
> verify that the new mdadm package does not prevent proper booting of
> their computer. For safety sake, it's possible to create a totally new
> initramfs, modify your boot loader configuration to add a test boot
> instance that uses the new initramfs image as the initrd, and then boot
> to that test image before updating their known working initramfs images.
> This update brings mdadm to the latest upstream git repo plus a number
> of specific bug fixes. It addresses far more issues than the short bug
> list here depicts.
> In order to fully test this update, users need to not only install the
> package, but also rebuild their initramfs images using dracut and then
> reboot their machine to test that the newly generated initramfs images
> still work properly on reboot (this obviously only applies to systems
> that have their root partition on an md handled raid device). This
> update brings mdadm to the latest upstream git repo plus a number of
> specific bug fixes. It addresses far more issues than the short bug list
> here depicts.
>
> 我还没有尝试过remake initramfs，不知是否有风险。
> 另外，mdadm是不是raid相关的软件。我不用raid是不是可以不去更新mdadm，
> 甚至可以删除相关软件？
>
> alick
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