dd方式创建swap 分区方式2

admin

http://www.bbs168x.cn/forum.php?mod=viewthread&tid=2279&highlight=dd


9 u( S2 a8 W2 H3 e% k# M" ~方法参考上面链接：
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" N! M" m* q7 z0 G9 y8 B: ~3 a[root@ceph-1 ~]# dd if=/dev/zero of=/swapfile bs=1G count=8
8+0 records in
8+0 records out
8589934592 bytes (8.6 GB) copied, 215.325 s, 39.9 MB/s
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; Y$ Z# L/ d/ w' }: g3 Q, }[root@ceph-2 ~]# dd if=/dev/zero of=/swapfile bs=512M count=16
16+0 records in
16+0 records out
8589934592 bytes (8.6 GB) copied, 208.108 s, 41.3 MB/s
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[root@ceph-2 ~]# mkswap /swapfile
Setting up swapspace version 1, size = 8388604 KiB
9 I) U3 v3 W- \1 j; h$ N6 j; J7 j- A7 Lno label, UUID=09413e7f-6783-4184-88a5-2ff5d1c935f9

[root@ceph-2 ~]# swapon /swapfile
swapon: /swapfile: insecure permissions 0644, 0600 suggested.
[root@ceph-2 ~]#
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vim /etc/fstab

& i+ k, X( R0 s1 z7 Q/swapfile swap swap default 0 0
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: [4 ?. X6 a& y; @8 e! d$ r8 q[root@ceph-1 ~]# vim /etc/fstab
[root@ceph-1 ~]# mount -a
5 A0 K4 m0 b# T8 E[root@ceph-1 ~]#