dd方式创建swap 分区方式2

admin

http://www.bbs168x.cn/forum.php?mod=viewthread&tid=2279&highlight=dd
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[root@ceph-1 ~]# dd if=/dev/zero of=/swapfile bs=1G count=8
8+0 records in
- Y7 c3 L. K1 \* U! A* H8+0 records out
8589934592 bytes (8.6 GB) copied, 215.325 s, 39.9 MB/s


[root@ceph-2 ~]# dd if=/dev/zero of=/swapfile bs=512M count=16
7 M$ N& @5 u/ J) S3 \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
6 C6 g7 B# y# L' n. l5 ESetting up swapspace version 1, size = 8388604 KiB
no label, UUID=09413e7f-6783-4184-88a5-2ff5d1c935f9
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( Z. `" a6 D$ x: F* Z, \[root@ceph-2 ~]# swapon /swapfile
  h" N, o, u2 j/ E8 Q# Kswapon: /swapfile: insecure permissions 0644, 0600 suggested.
+ i- k( a- ?: Z1 N[root@ceph-2 ~]#


vim /etc/fstab
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/swapfile swap swap default 0 0
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6 n' k: U" F8 u5 C8 k* E0 K[root@ceph-1 ~]# vim /etc/fstab
[root@ceph-1 ~]# mount -a
4 _! P" t+ s6 U[root@ceph-1 ~]#
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