JFS: IBM's journaled file system.
jfs:IBM的日志文件系统。
Each logical name will create a new JFS.
每个逻辑名都将创建一个新的JFS。
This parameter is used for JFS only.
这个参数仅用于JFS。
JFS commits atime updates asynchronously.
jfs异步提交atime更新updates。
The original JFS was created by IBM in 1990.
最初的JFS是由IBM于 1990 年创建的。
It can be used on ext2, ext3, JFS, Reiser, and other file systems.
它可以使用在ext2、ext3、jfs、Reiser和其他文件系统上。
Using the GDB patch, we can build JFS directly into the kernel.
通过使用gdb补丁,我们就可以将JFS直接构建到内核中。
The data files can relate to filesystems, such as JFS, JFS2, or NFS.
数据文件可能与文件系统相关,如jfs、JFS2或NFS。
The quota support for JFS2 and JFS can be used on the same system.
同一系统中可以同时使用JFS2和JFS的配额支持。
JFS and JFS2 file systems require a logical volume for the JFS log.
JFS和JFS2文件系统需要一个用于JFS日志的逻辑卷。
Create the JFS log before creating the logical volumes for the volume groups.
在位卷组创建逻辑卷之前,创建JFS日志。
For example, the extent approach to block management had been implemented in JFS.
例如,在JFS中已经实现了使用区段(extent)来管理块。
XFS and JFS, unfortunately, cannot be shrunk, although they can be grown or moved.
可惜的是,XFS和JFS 是不能缩小的,但是可以增长和移动。
Table 2 details specific tuning parameters that you use often for JFS file systems.
表2详细说明一些通常用于JFS文件系统的特定调优参数。
The current version of JFS on flash is JFFS2 (described later in this article).
用于闪存的JFS的当前版本是JFFS2(稍后将在本文中描述)。
File systems tested were ext3fs, ext4fs, ReiserFS (version 3), JFS, XFS, and Btrfs.
受测试的文件系统是ext3fs、ext4fs、ReiserFS(第3版)、JFS、XFS和Btrfs。
However, also notice that there is no JFS (journaled file system) jfs2log entry.
但还要注意的是,其中没有jfs (journaled filesystem)jfs2log条目。
These values ranged from 1.10 (for XFS and JFS) to 6.02 (for ReiserFS), with a mean of 2.10.
这些值介于1.10(对于XFS和JFS)到6.02(对于ReiserFS)之间,平均值为2.10。
Thanks for joining me in this article, and please join me next time as we take a look at JFS!
非常感谢您花时间阅读我的这篇文章,请您下一次继续阅读我的文章,我们要看看JFS !
For JFS, you can use splitcopy or, for jfs2, use snapshot to take a copy of a filesystem.
对于jfs,可以使用splitcopy(或对jfs2使用snapshot)获得文件系统的拷贝。
For example, Journaled File System (JFS) can be built as a module or directly into the kernel.
举例来说,日志纪录文件系统(Journaled File System,JFS)可以作为模块构建,或直接构建到内核中。
JFS2 has been optimized for the 64-bit kernel, while JFS is optimized for the 32-bit kernel.
JFS2为64位内核进行了优化,而JFS则为32位内核进行了优化。
Repeat this process to create another LV of type jfs and named hblv (but otherwise identical).
重复这个过程创建另一个逻辑卷,其类型为 jfs,名称为 hblv,其他设置相同。
File deletion effects were similar, ranging from 1.04 (for XFS) to 4.78 (for JFS), with a mean of 1.97.
文件检测效果类似,从1.04(对于XFS)到4.78(对于JFS),平均值为1.97。
Remember also that, although you can shrink most Linux-native file systems, you can't shrink XFS or JFS.
同时也要记住,尽管您可以缩小大多数本地linux文件系统,但您不能缩小x fs或jfs。
This section discusses JFS2, file system performance, and specific performance improvements over JFS.
本节讨论JFS2、文件系统性能以及对JFS所做的特定性能改进。
Then there are the folks who insist that ext3 is not a true journaling filesystem, but JFS, and so on.
然而还有人坚持ext3不是一种真正的日志记录文件系统,JFS 才是,等等。
JFS was first released in 1990, but the current version supported in Linux is the later-developed JFS2.
JFS于1990年首次发行,而当前Linux支持的版本是后期开发的JFS2。
Encrypted Filesystems provides JFS with greater security, through its ability to encrypt data in a filesystem.
EncryptedFilesystems能够加密文件系统中的数据,为JFS提供更强的安全性。
The default JFS filesystem for AIX is JFS2 and for RHEL5 it is ext3, which is an enhanced version of ext2.
AIX的缺省JFS文件系统是JFS2,而RHEL5 的缺省 JFS 文件系统是ext3,这是 ext2 的增强版本。
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