On Fri, 2006-08-25 at 19:22 +0100, Peter Grandi wrote: > >>> On Fri, 25 Aug 2006 19:22:19 +0200, Jasmin Buchert > >>> <[EMAIL PROTECTED]> said: > > jasmin> Hi, I've noticed that there's defrag code in jfsutils > jasmin> but it's not build. Why is that? Is it > jasmin> broken/unmaintained?
The utilities were originally ported from OS/2. The defrag utility depended on an ioctl that we never got around to implementing in linux. Besides that, the defrag code as it is on OS/2 is pretty limited. It moved data around on the disk in order to defragment the free space, but it didn't do anything for already fragmented files. There never was a high priority placed on having the defrag utility ported, but it was left in the source tree in case someone ever got around to trying to get it working. > Well, I had thought about that some long time ago, but I have > realized that in-place defragmentation is a mad idea... > > More details here: > > http://WWW.sabi.co.UK/Notes/anno06-2nd.html#060422b This works if you can take the file system off line for a while. In-place defragmentation on a mounted drive can still be useful in cases where downtime is not tolerated. Shaggy -- David Kleikamp IBM Linux Technology Center ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Jfs-discussion mailing list Jfs-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jfs-discussion
