错误: swapoff: /dev/dm-1: swapoff failed: Cannot allocate memory
解决方法:
- [root@jrgc ~]# swapon -s
- Filename Type Size Used Priority
- /dev/dm-1 partition 3145724 1524700 -1
- [root@jrgc ~]# swapoff /dev/dm-1
- swapoff: /dev/dm-1: swapoff failed: Cannot allocate memory
- [root@jrgc home]# dd if=/dev/zero of=/home/swap bs=1024 count=512000
- 512000+0 records in
- 512000+0 records out
- 524288000 bytes (524 MB) copied, 1.2637 s, 415 MB/s
- [root@jrgc home]# mkswap /home/swap
- mkswap: /home/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=155bb4be-29cb-4e95-9581-24e11be6188f
- [root@jrgc home]# swapon /home/swap
- [root@jrgc home]# free -m
- total used free shared buffers cached
- Mem: 3832 3550 282 0 4 166
- -/+ buffers/cache: 3378 453
- Swap: 3571 1495 2076
- [root@jrgc home]# swapoff /dev/dm-1
- [root@jrgc ~]# free -m
- total used free shared buffers cached
- Mem: 3832 3711 120 0 2 19
- -/+ buffers/cache: 3689 143
- Swap: 499 499 0
- [root@jrgc home]# swapon /dev/dm-1
- [root@jrgc home]# free -m
- total used free shared buffers cached
- Mem: 3832 3717 114 0 1 25
- -/+ buffers/cache: 3691 140
- Swap: 3571 495 3076
- [root@jrgc home]# swapoff /home/swap
- [root@jrgc home]# free -m
- total used free shared buffers cached
- Mem: 3832 3725 106 0 0 15
- -/+ buffers/cache: 3710 122
- Swap: 3071 476 2595
来源: http://www.bubuko.com/infodetail-2528184.html