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楼主 |
发表于 2021-12-6 09:06:02
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需要格式化swap分区：$ B# q6 F' k. `) o
mkswap /dev/cl/swap
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# mkswap /dev/centos/swap
' }0 f9 f! Y( D) }- Y' e' J/ V& Omkswap: error: /dev/centos/swap is mounted; will not make swapspace
$ s; \5 y) o- _需要swap不挂载才可以格式化：
) C' m( l6 Z$ W5 R* J8 K[root@controller1 ~]# swapoff /dev/centos/swap
0 j6 Q- `' I e- L6 K6 [& o[root@controller1 ~]# mkswap /dev/centos/swap
- B! S$ @! ^9 H0 Wmkswap: /dev/centos/swap: warning: wiping old swap signature.- m0 T* B- [9 I; Z& P1 G
Setting up swapspace version 1, size = 16773116 KiB8 w2 C9 t+ F6 v! j, Z& n1 t" N
no label, UUID=ab0692e6-84f7-43a3-bdb2-1910d8fb8042
% q) u1 W, q8 r/ v; r[root@controller1 ~]# swapon /dev/mapper/centos-swap
1 q7 X7 F0 N3 V' e$ O8 B
7 F- o- z5 \5 U/ ^! ^再查看swap分区设置最高使用量时swap分区介入：& I9 T% o$ W8 `1 _" W
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cat /proc/sys/vm/swappiness8 B& d: m% q" A( ?* g& g: b; t
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发表于 2021-12-6 09:05:10