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创建文件系统时,我怎么只能创建128m以上的文件系统呢···创建比128m小的时候,它的fs size怎么都是262144呢··
是不是128m是默认为文件系统的最小值呢
Add a Standard Journaled File System
Type or select values in entry fields.
Press Enter AFTER making all desired changes.
[Entry Fields]
Volume group name rootvg
SIZE of file system
Unit Size Megabytes +
* Number of units [32] #
* MOUNT POINT [/tmp/sunshine]
Mount AUTOMATICALLY at system restart? no +
PERMISSIONS read/write +
Mount OPTIONS [] +
Start Disk Accounting? no +
Fragment Size (bytes) 4096 +
Number of bytes per inode 4096 +
Allocation Group Size (MBytes) 8 +
COMMAND STATUS
Command: OK stdout: yes stderr: no
Before command completion, additional instructions may appear below.
Based on the parameters chosen, the new /tmp/sunshine JFS file system
is limited to a maximum size of 134217728 (512 byte blocks)
New File System size is 262144
#dumpfs /tmp/sunshine
magic 0x43218765 cpu type 0x0
file system type 0 file system version 0
file system size 262144 fragment size 4096
block size 4096 allocation group size 2048 (frags)
inodes/allocation grp 2048 compress 0
file system name /tmp/s volume name lv01
log device 0xffffffff log serial number 0x0
file system state 0 read only 0
last change Mon Apr 4 04:07:50 CDT 2005
怎么会是262144呢,262144×512=128m 可我之前创建的是32m啊··
还有一个问题就是 Allocation group size 具体是什么概念啊···· |
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