EC2实例初始化只有1/2检查,因此无法login到我的Linux服务器

你好朋友,

在我分离并重新连接我的卷之后,我们的EC2实例正在初始化,只有“1/2通过检查” (我做了一些特定的debugging目的)。 因此,我现在无法login到我的Linux服务器 (使用putty ..它显示networking错误),我有一些复杂的脚本,我们需要检索,如果我们决定终止实例。

我不太了解EC2编程,因为我们只用它来进行SAP HANA云访问。我已经生成了如下所示的实例的系统日志:

souvenir Xen Minimal OS! start_info: 0x9248000(VA) nr_pages: 0x1117000 shared_inf: 0x7e68b000(MA) pt_base: 0x924b000(VA) nr_pt_frames: 0x4d mfn_list: 0x990000(VA) mod_start: 0x0(VA) mod_len: 0 flags: 0x0 cmd_line: root=/dev/sda1 ro 4 stack: 0x94f860-0x96f860 MM: Init _text: 0x0(VA) _etext: 0x6000d(VA) _erodata: 0x78000(VA) _edata: 0x80b00(VA) stack start: 0x94f860(VA) _end: 0x98fe68(VA) start_pfn: 929b max_pfn: 1117000 Mapping memory range 0x9400000 - 0x1117000000 setting 0x0-0x78000 readonly skipped 0x1000 MM: Initialise page allocator for 11b4d000(11b4d000)-1117000000(1117000000) MM: done Demand map pfns at 1117001000-3117001000. Heap resides at 3117002000-5117002000. Initialising timer interface Initialising console ... done. gnttab_table mapped at 0x1117001000. Initialising scheduler Thread "Idle": pointer: 0x3117002010, stack: 0x1113680000 Initialising xenbus Thread "xenstore": pointer: 0x31170027c0, stack: 0x1113690000 Dummy main: start_info=0x96f960 Thread "main": pointer: 0x3117002f70, stack: 0x11136a0000 "main" "root=/dev/sda1" "ro" "4" vbd 2049 is hd0 ******************* BLKFRONT for device/vbd/2049 ********** backend at /local/domain/0/backend/vbd/390/2049 Failed to read /local/domain/0/backend/vbd/390/2049/feature-barrier. Failed to read /local/domain/0/backend/vbd/390/2049/feature-flush-cache. 41943040 sectors of 512 bytes ************************** vbd 2144 is hd1 ******************* BLKFRONT for device/vbd/2144 ********** backend at /local/domain/0/backend/vbd/390/2144 Failed to read /local/domain/0/backend/vbd/390/2144/feature-barrier. Failed to read /local/domain/0/backend/vbd/390/2144/feature-flush-cache. 41943040 sectors of 512 bytes ************************** vbd 2160 is hd2 ******************* BLKFRONT for device/vbd/2160 ********** backend at /local/domain/0/backend/vbd/390/2160 Failed to read /local/domain/0/backend/vbd/390/2160/feature-barrier. Failed to read /local/domain/0/backend/vbd/390/2160/feature-flush-cache. 41943040 sectors of 512 bytes ************************** vbd 2176 is hd3 ******************* BLKFRONT for device/vbd/2176 ********** backend at /local/domain/0/backend/vbd/390/2176 Failed to read /local/domain/0/backend/vbd/390/2176/feature-barrier. Failed to read /local/domain/0/backend/vbd/390/2176/feature-flush-cache. 41943040 sectors of 512 bytes ************************** vbd 2192 is hd4 ******************* BLKFRONT for device/vbd/2192 ********** backend at /local/domain/0/backend/vbd/390/2192 Failed to read /local/domain/0/backend/vbd/390/2192/feature-barrier. Failed to read /local/domain/0/backend/vbd/390/2192/feature-flush-cache. 20971520 sectors of 512 bytes ************************** vbd 2208 is hd5 ******************* BLKFRONT for device/vbd/2208 ********** backend at /local/domain/0/backend/vbd/390/2208 Failed to read /local/domain/0/backend/vbd/390/2208/feature-barrier. Failed to read /local/domain/0/backend/vbd/390/2208/feature-flush-cache. 41943040 sectors of 512 bytes ************************** vbd 2224 is hd6 ******************* BLKFRONT for device/vbd/2224 ********** backend at /local/domain/0/backend/vbd/390/2224 Failed to read /local/domain/0/backend/vbd/390/2224/feature-barrier. Failed to read /local/domain/0/backend/vbd/390/2224/feature-flush-cache. 41943040 sectors of 512 bytes ************************** [H[J GNU GRUB version 0.97 (71680000K lower / 0K upper memory) [ Minimal BASH-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists the possible completions of a device/filename. ] grubdom> [9;10HXen Minimal OS! start_info: 0x9248000(VA) nr_pages: 0x1117000 shared_inf: 0x7e692000(MA) pt_base: 0x924b000(VA) nr_pt_frames: 0x4d mfn_list: 0x990000(VA) mod_start: 0x0(VA) mod_len: 0 flags: 0x0 cmd_line: root=/dev/sda1 ro 4 stack: 0x94f860-0x96f860 MM: Init _text: 0x0(VA) _etext: 0x6000d(VA) _erodata: 0x78000(VA) _edata: 0x80b00(VA) stack start: 0x94f860(VA) _end: 0x98fe68(VA) start_pfn: 929b max_pfn: 1117000 Mapping memory range 0x9400000 - 0x1117000000 setting 0x0-0x78000 readonly skipped 0x1000 MM: Initialise page allocator for 11b4d000(11b4d000)-1117000000(1117000000) MM: done Demand map pfns at 1117001000-3117001000. Heap resides at 3117002000-5117002000. Initialising timer interface Initialising console ... done. gnttab_table mapped at 0x1117001000. Initialising scheduler Thread "Idle": pointer: 0x3117002010, stack: 0x1113680000 Initialising xenbus Thread "xenstore": pointer: 0x31170027c0, stack: 0x1113690000 Dummy main: start_info=0x96f960 Thread "main": pointer: 0x3117002f70, stack: 0x11136a0000 "main" "root=/dev/sda1" "ro" "4" vbd 2049 is hd0 ******************* BLKFRONT for device/vbd/2049 ********** backend at /local/domain/0/backend/vbd/391/2049 Failed to read /local/domain/0/backend/vbd/391/2049/feature-barrier. Failed to read /local/domain/0/backend/vbd/391/2049/feature-flush-cache. 41943040 sectors of 512 bytes ************************** vbd 2144 is hd1 ******************* BLKFRONT for device/vbd/2144 ********** backend at /local/domain/0/backend/vbd/391/2144 Failed to read /local/domain/0/backend/vbd/391/2144/feature-barrier. Failed to read /local/domain/0/backend/vbd/391/2144/feature-flush-cache. 41943040 sectors of 512 bytes ************************** vbd 2160 is hd2 ******************* BLKFRONT for device/vbd/2160 ********** backend at /local/domain/0/backend/vbd/391/2160 Failed to read /local/domain/0/backend/vbd/391/2160/feature-barrier. Failed to read /local/domain/0/backend/vbd/391/2160/feature-flush-cache. 41943040 sectors of 512 bytes ************************** vbd 2176 is hd3 ******************* BLKFRONT for device/vbd/2176 ********** backend at /local/domain/0/backend/vbd/391/2176 Failed to read /local/domain/0/backend/vbd/391/2176/feature-barrier. Failed to read /local/domain/0/backend/vbd/391/2176/feature-flush-cache. 41943040 sectors of 512 bytes ************************** vbd 2192 is hd4 ******************* BLKFRONT for device/vbd/2192 ********** backend at /local/domain/0/backend/vbd/391/2192 Failed to read /local/domain/0/backend/vbd/391/2192/feature-barrier. Failed to read /local/domain/0/backend/vbd/391/2192/feature-flush-cache. 20971520 sectors of 512 bytes ************************** vbd 2208 is hd5 ******************* BLKFRONT for device/vbd/2208 ********** backend at /local/domain/0/backend/vbd/391/2208 Failed to read /local/domain/0/backend/vbd/391/2208/feature-barrier. Failed to read /local/domain/0/backend/vbd/391/2208/feature-flush-cache. 41943040 sectors of 512 bytes ************************** vbd 2224 is hd6 ******************* BLKFRONT for device/vbd/2224 ********** backend at /local/domain/0/backend/vbd/391/2224 Failed to read /local/domain/0/backend/vbd/391/2224/feature-barrier. Failed to read /local/domain/0/backend/vbd/391/2224/feature-flush-cache. 41943040 sectors of 512 bytes ************************** [H[J GNU GRUB version 0.97 (71680000K lower / 0K upper memory) [ Minimal BASH-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists the possible completions of a device/filename. ] grubdom> [9;10H 

希望你的专家能帮助我解决这个问题。

感谢名单

我也遇到过这种情况 – 第二次健康状况检查是networking连接,直到获得整理后,SSH才会起作用(显然)。 我会build议

  1. 从AWS控制台或AWS CLI内完整重新引导实例。
  2. 您可能还想分离实例的弹性IP,等待几秒钟,然后重新连接。

您也可以在同一个AZ中启动一个新的EC2实例,将卷从不健康的实例中分离出来,并将其作为二级/三级卷挂载到新实例中 – 要么检查它,要么取出脚本/文件你需要。

对不起,我不能给出更多的具体build议,但我想知道如果你的/本地/分区已变得不可读?