/proc 100% 但所有目录都是"0"字节?!

havent_bao

==>; df -k /proc
Filesystem 1024-blocks Free %Used Iused %Iused Mounted on
/proc 4294967295 0 100% - - /proc
==>; ls -l
total 0
dr-xr-xr-x 1 root system 0 Apr 15 02:58 0
dr-xr-xr-x 1 root system 0 Apr 15 02:58 1
dr-xr-xr-x 1 root system 0 Apr 15 02:58 1011736
dr-xr-xr-x 1 root system 0 Apr 15 02:58 102456
dr-xr-xr-x 1 root system 0 Apr 15 02:58 1089772
dr-xr-xr-x 1 root system 0 Apr 15 02:58 110748
dr-xr-xr-x 1 root system 0 Apr 15 02:58 1134716
dr-xr-xr-x 1 root system 0 Apr 15 02:58 114804
dr-xr-xr-x 1 root system 0 Apr 15 02:58 1224736
...
dr-xr-xr-x 1 root system 0 Apr 15 02:58 81984
dr-xr-xr-x 1 root system 0 Apr 15 02:58 86088
dr-xr-xr-x 1 root system 0 Apr 15 02:58 90178
dr-xr-xr-x 1 root system 0 Apr 15 02:58 94278
dr-xr-xr-x 1 root system 0 Apr 15 02:58 98386
dr-xr-xr-x 1 root system 0 Apr 15 02:58 995454
dr-xr-xr-x 3 root system 0 Apr 15 02:58 sys

注全是"0"字节!
我随便找了个目录看了看:
==>; ls -l /proc/sys/fs/jfs2
total 0
prw-r--r-- 1 root system 0 Apr 15 03:02 buffers_per_pager_device
prw-r--r-- 1 root system 0 Apr 15 03:02 inode_cache_size
pr--r--r-- 1 root system 0 Apr 15 03:02 memory_usage
prw-r--r-- 1 root system 0 Apr 15 03:02 metadata_cache_size
prw-r--r-- 1 root system 0 Apr 15 03:02 rbna_cluster_size
prw-r--r-- 1 root system 0 Apr 15 03:02 readahead_max_pages
prw-r--r-- 1 root system 0 Apr 15 03:02 readahead_min_pages
prw-r--r-- 1 root system 0 Apr 15 03:02 statistics
prw-r--r-- 1 root system 0 Apr 15 03:02 writebehind_random_cluster_size
prw-r--r-- 1 root system 0 Apr 15 03:02 writebehind_random_threshold
prw-r--r-- 1 root system 0 Apr 15 03:02 writebehind_seq_cluster_size
也全是"0"字节!

但是,
/proc
==>; du -sk *
0       0
7944    1
24208   1011736
0       102456
9764    1089772
10304   110748
12208   1134716
0       114804
7812    1224736
0       12294
40724   123056
24908   1278130
28828   131262
27228   1327340
12852   135266
22932   1359962
7028    1368298
27584   1376356
9036    139346
22744   1396736
/proc/1011736
==>; ls -l
total 8
-rw-------   1 root     system            0 Apr 15 03:13 as
-r--------   1 root     system          128 Apr 15 03:13 cred
--w-------   1 root     system            0 Apr 15 03:13 ctl
lr-x------  33 root     system            0 Mar 25 05:46 cwd ->; /
dr-x------   1 root     system            0 Apr 15 03:13 fd
dr-xr-xr-x   1 root     system            0 Apr 15 03:13 lwp
-r--------   1 root     system            0 Apr 15 03:13 map
dr-x------   1 root     system            0 Apr 15 03:13 object
-r--r--r--   1 root     system          448 Apr 15 03:13 psinfo
-r--------   1 root     system        12288 Apr 15 03:13 sigact
-r--------   1 root     system         1520 Apr 15 03:13 status
-r--r--r--   1 root     system            0 Apr 15 03:13 sysent

不知道这是怎么回事,它怎么会满?需要什么处理吗?(还未发现什么异常的问题)

寂寞烈火

/proc不是真正的文件系统,他是伪文件系统,些文件实际的内容不存在磁盘上,而是存在ram里.