熟悉谷歌云维护的请进来 - V2EX
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V2EX    问与答

熟悉谷歌云维护的请进来

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  • rankrank 2020-03-20 09:51:41 +08:00 2569 次点击
    这是一个创建于 2039 天前的主题,其中的信息可能已经有所发展或是发生改变。
    大佬好,我用的 google computer engine 实例重启后无法启动,报如下错误:
    [ 1.917614] md: Waiting for all devices to be available before autodetect
    [ 1.918978] md: If you don't use raid, use raid=noautodetect
    [ 1.920328] md: Autodetecting RAID arrays.
    [ 1.921028] md: autorun ...
    [ 1.921429] md: ... autorun DONE.
    [ 1.922029] List of all partitions:
    [ 1.922577] No filesystem could mount root, tried:
    [ 1.923603] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
    [ 1.924765] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-1062.18.1.el7.x86_64 #1
    [ 1.926040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
    [ 1.927731] Call Trace:
    [ 1.928142] [<ffffffff86b7b416>] dump_stack+0x19/0x1b
    [ 1.928889] [<ffffffff86b74a0b>] panic+0xe8/0x21f
    [ 1.929566] [<ffffffff87189790>] mount_block_root+0x291/0x2a0
    [ 1.930404] [<ffffffff871897f2>] mount_root+0x53/0x56
    [ 1.931107] [<ffffffff87189931>] prepare_namespace+0x13c/0x174
    [ 1.931913] [<ffffffff8718940e>] kernel_init_freeable+0x222/0x249
    [ 1.932797] [<ffffffff87188b1f>] ? initcall_blacklist+0xb0/0xb0
    [ 1.933693] [<ffffffff86b69c10>] ? rest_init+0x80/0x80
    [ 1.934502] [<ffffffff86b69c1e>] kernel_init+0xe/0x100
    [ 1.935271] [<ffffffff86b8dd37>] ret_from_fork_nospec_begin+0x21/0x21
    [ 1.936174] [<ffffffff86b69c10>] ? rest_init+0x80/0x80
    [ 1.938335] Kernel Offset: 0x5400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)

    数据没有备份,现在又无法进入系统,倍感着急,为表心意,愿意支付费用,感谢!
    14 条回复    2020-03-20 13:26:44 +08:00
    lxfxf
        1
    lxfxf  
       2020-03-20 09:53:13 +08:00
    换一个 Zone 试一试,GCP 真的别没事重启
    lxfxf
        2
    lxfxf  
       2020-03-20 09:55:25 +08:00
    没备份的话,这问题最好联系客服
    lukaz
        3
    lukaz  
       2020-03-20 09:56:03 +08:00 via Android
    [ 1.922577] No filesystem could mount root, tried:
    [ 1.923603] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)


    看起来是卷挂载有问题啊
    rankrank
        4
    rankrank  
    OP
       2020-03-20 10:09:40 +08:00
    @lxfxf 工单系统更是懵逼 还要先开设组织。。。balabala
    rankrank
        5
    rankrank  
    OP
       2020-03-20 10:10:59 +08:00
    @lukaz 可能是内核有问题,看网上也有好些人出现这个情况。但是答复我看的都有点懵,我谷歌云操作和 linux 运维都不熟 :(
    rankrank
        6
    rankrank  
    OP
       2020-03-20 10:12:02 +08:00
    @lxfxf 我用这个实例创建了一个新的实例 也不行
    podel
        7
    podel  
       2020-03-20 10:17:26 +08:00
    [ 1.917614] md: Waiting for all devices to be available before autodetect
    [ 1.918978] md: If you don't use raid, use raid=noautodetect
    [ 1.920328] md: Autodetecting RAID arrays.
    [ 1.921028] md: autorun ...
    [ 1.921429] md: ... autorun DONE.
    [ 1.922029] List of all partitions:
    [ 1.922577] No filesystem could mount root, tried:
    [ 1.923603] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

    同 3 楼。 根文件系统无法挂载。
    建议。新临时买一台。然后把这个磁盘 挂载到 新买的那台上去当做数据盘。看看是是咋回事。(如果是内核版本问题,也可以把启动的内核版本改回来)
    podel
        8
    podel  
       2020-03-20 10:19:46 +08:00
    另外 你打过快照没(或者说,有些 VPS 提供商也会有自动快照。可以用之前的快照创建一个 VPS 试试)
    podel
        9
    podel  
       2020-03-20 10:21:46 +08:00
    HEROic
        10
    HEROic  
       2020-03-20 10:54:09 +08:00 via Android
    赶紧先把这个问题磁盘保存一下。 然后从别的 vm 挂盘启动备份数据先。
    rankrank
        11
    rankrank  
    OP
       2020-03-20 11:10:13 +08:00
    @podel 嗯嗯,谢谢
    @HEROic 嗯嗯,谢谢
    mauve
        12
    mauve  
    PRO
       2020-03-20 11:58:50 +08:00
    提 Ticket 给 Google 呀,你交的钱也包括维护的
    xsen
        13
    xsen  
       2020-03-20 12:16:53 +08:00
    提 Ticket 给 Google 是最合适的做法,也最保险。数据最重要

    不过导致的原因呢,大致有如下几个,
    1. 中间内核或驱动有升级,导致 panic
    若确认是内核升级导致,可以进入 grub 修改引导,用原先的内核就可以

    2. 硬盘损坏
    某个分区或分区的某部分损坏。这个的话,可以创建新的实例,常识把这个硬盘(分区)挂靠到新的系统,若可以正常访问,则可以把数据备份出来

    3. 其他
    暂时没遇到过别的情况
    rankrank
        14
    rankrank  
    OP
       2020-03-20 13:26:44 +08:00
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