特殊:Badtitle/NS100:UsingUUID/zh
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{{#if: | {{{2}}} | https://help.ubuntu.com/community/UsingUUID }} |
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English {{#ifexist: {{#if: UbuntuHelp:UsingUUID | UbuntuHelp:UsingUUID | {{#if: | :}}UsingUUID/zh}}/af | • {{#if: UbuntuHelp:UsingUUID|Afrikaans| [[::UsingUUID/zh/af|Afrikaans]]}}|}} {{#ifexist: {{#if: UbuntuHelp:UsingUUID | UbuntuHelp:UsingUUID | {{#if: | :}}UsingUUID/zh}}/ar | • {{#if: UbuntuHelp:UsingUUID|العربية| [[::UsingUUID/zh/ar|العربية]]}}|}} {{#ifexist: {{#if: UbuntuHelp:UsingUUID | UbuntuHelp:UsingUUID | {{#if: | :}}UsingUUID/zh}}/az | • {{#if: UbuntuHelp:UsingUUID|azərbaycanca| [[::UsingUUID/zh/az|azərbaycanca]]}}|}} {{#ifexist: {{#if: UbuntuHelp:UsingUUID | UbuntuHelp:UsingUUID | {{#if: | :}}UsingUUID/zh}}/bcc | • {{#if: UbuntuHelp:UsingUUID|جهلسری بلوچی| [[::UsingUUID/zh/bcc|جهلسری بلوچی]]}}|}} {{#ifexist: {{#if: UbuntuHelp:UsingUUID | UbuntuHelp:UsingUUID | {{#if: | :}}UsingUUID/zh}}/bg | • {{#if: UbuntuHelp:UsingUUID|български| [[::UsingUUID/zh/bg|български]]}}|}} {{#ifexist: {{#if: UbuntuHelp:UsingUUID | UbuntuHelp:UsingUUID | {{#if: | :}}UsingUUID/zh}}/br | • {{#if: 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从 Edgy(6.10) 开始,Ubuntu 就开始要求使用UUID(全局唯一标志符)或 LABEL(针对文件系统swap),或 由 udev 创建的 synlinks(针对像 CDROMs 和 USB 设备的移动媒体)。后后将不再支持直接使用 /dev/hd*
或者 /dev/sd*
(因为这些设备符号在不同的引导启动中会发生变化):
- 所有的文件系统都应该用
UUID=
或LABEL=
标识 - 所有物理设备都应该用 symlink (例如:
/dev/cdrom
,/dev/disk/by-id/...
,等等)
最关键的几个文件是:
/boot/grub/menu.lst
/etc/fstab
/etc/initramfs-tools/conf.d/resume
查询
可以使用 vol_id
命令来查询 UUIDs。例如,查询 /dev/sda1
文件系统的 UUID:
$ sudo /sbin/vol_id -u /dev/sda1 79415992-7093-4a0e-a2e5-4574ed702d05
由 udev 建立的 Symlinks 可以在/dev
中搜索目标设备找到。例如,要查找/dev/sda1
:
$ ls -la /dev/disk/by-id | grep /sda1$ lrwxrwxrwx 1 root root 10 8207-06-10 02:46 ata-ST2250823AS_3ND277BL-part1 -> ../../sda1 lrwxrwxrwx 1 root root 10 8207-06-10 02:46 scsi-1ATA_ST2250823AS_3ND277BL-part1 -> ../../sda1
转换
请使用以下命令来完成系统对 UUID 的自动检查和修正(其实这在从 Dapper 向 Edgy 升级时,已经完成):
- 对于
/boot/grub/menu.lst
:
sudo update-grub
- 对于
/etc/fstab</nowoki></code>: <pre><nowiki> sudo rm -f /etc/fstab.pre-uuid sudo /var/lib/dpkg/info/volumeid.postinst configure
- 对于
/etc/initramfs-tools/conf.d/resume
,还没有自动完成过程: - 请对照
/etc/fstab
中的swap
行来检查RESUME=
的值 - 所有都调整好以后,运行
sudo update-initramfs -u