ipvsadm 提示Memory allocation problem

本文轉載自查看原文 2019-05-14 10:38 1855

ipvsadm

Memory allocation problem

查看/var/log/messages:

提示 vmap allocation for size 12513280 failed: use vmalloc=<size> to increase size.
該語句重復很多次。

通過vmap allocation for size 12513280 failed上網查找，發現是虛擬地址空間不足導致的。下面是原文：
The kernel reserves a small chunk of memory at boot time for use as virtual addressing space. This space is used by drivers and the kernel (among other things) to map hardware to chunks of memory in fixed places. If your 32-bit machine has 1Gb or less of RAM the Linux kernel reserves a minimum of 128Mb for virtual memory addressing

執行cat /proc/meminfo | grep Vmalloc命令，
      VmallocTotal: 122880kB
      VmallocUsed:    5892kB
      VmallocChunk: 103312kB

可以看到內核允許最大的虛擬地址空間120M

於是修改kernel /vmlinuz-2.6.32-220-el6.i686 root=UUID=1029384-7e40-ffd2-9968-7a8b9e78f9g7s ro vmalloc=600M

而后有我的問題

ipvsadm -A -n （vip）-s rr

ipvsadm -a -t （vip：80） -r （節點：80） -g

而后報錯

Memory allocation problem

ipvsadm -A -n （vip:80）-s rr

不報錯l

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