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检查交换空间: 可用的交换空间为 0 MB, 所需的交换空间为 150 MB。 未通过 <<<< [root@oracle11g-std ~]# swapon -s Filename Type Size Used Priority [root@oracle11g-std ~]#---结果为空 [root@oracle11g-std ~]# free -m total used free shared buffers cached Mem: 773 328 445 0 42 108 -/+ buffers/cache: 177 596 Swap: 0 0 0--------------------------------显示为空 [root@oracle11g-std ~]# lvdisplay --- Logical volume --- LV Name /dev/vg_oracle11gstd/lv_root VG Name vg_oracle11gstd LV UUID ICHlPw-t84Z-5CKo-dZmC-s9zV-65tB-Fowgyt LV Write Access read/write LV Status available # open 1 LV Size 19.00 GiB Current LE 4864 Segments 2 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 --- Logical volume --- LV Name /dev/vg_oracle11gstd/lv_swap VG Name vg_oracle11gstd LV UUID iVSDgb-BQc0-cZHP-1xCt-KZ91-vcdM-uW0y8g LV Write Access read/write LV Status available # open 0 LV Size 500.00 MiB Current LE 125 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:1 -------lv显示正常 [root@oracle11g-std ~]# mount -a 之后还是一样，没有mount上 [root@oracle11g-std ~]# ll -l /dev/vg_oracle11gstd/lv_swap lrwxrwxrwx. 1 root root 7 5月 10 20:02 /dev/vg_oracle11gstd/lv_swap -> ../dm-1 查看挂载点也正常 [root@oracle11g-std ~]# swapoff on /dev/vg_oracle11gstd/lv_swap swapoff: on: swapoff failed: 没有那个文件或目录--------------感觉这个提示的有问题啊 swapoff: /dev/vg_oracle11gstd/lv_swap: swapoff failed: 无效的参数 [root@oracle11g-std ~]# ll -l /dev/vg_oracle11gstd/lv_swap lrwxrwxrwx. 1 root root 7 5月 10 20:02 /dev/vg_oracle11gstd/lv_swap -> ../dm-1 [root@oracle11g-std ~]# swapon -v /dev/vg_oracle11gstd/lv_swap swapon on /dev/vg_oracle11gstd/lv_swap swapon: /dev/mapper/vg_oracle11gstd-lv_swap: found swap signature: version 1, page-size 4, same byte order swapon: /dev/mapper/vg_oracle11gstd-lv_swap: pagesize=4096, swapsize=1644167168, devsize=524288000 swapon: /dev/mapper/vg_oracle11gstd-lv_swap: last_page 0x62000000 is larger than actual size of swapspace swapon: /dev/vg_oracle11gstd/lv_swap: swapon failed: 无效的参数----------这个是关键，也就是说挂载文件本身是有问题的，需要重建 [root@oracle11g-std ~]# mkswap /dev/mapper/vg_oracle11gstd-lv_swap mkswap: /dev/mapper/vg_oracle11gstd-lv_swap: warning: don't erase bootbits sectors on whole disk. Use -f to force. Setting up swapspace version 1, size = 511996 KiB no label, UUID=a2ec0b37-431f-4afd-a165-254fc4a2035f [root@oracle11g-std ~]# swapon -v /dev/vg_oracle11gstd/lv_swap swapon on /dev/vg_oracle11gstd/lv_swap swapon: /dev/mapper/vg_oracle11gstd-lv_swap: found swap signature: version 1, page-size 4, same byte order swapon: /dev/mapper/vg_oracle11gstd-lv_swap: pagesize=4096, swapsize=524288000, devsize=524288000 [root@oracle11g-std ~]# mount -a [root@oracle11g-std ~]# swapon -s Filename Type Size Used Priority /dev/dm-1 partition 511992 0 -1 [root@oracle11g-std ~]# 总结： 使用resize减小swap之后需要常见swap，不然会出现上面的问题 |
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