Yep, using Tar to backup and restore is the most common way to defragment a Unix filesystem.
If there's space you can create the tar archive on the filesystem itself. Ed On Tue, Mar 15, 2011 at 11:28 AM, Robinson, Eric <[email protected]> wrote: > I know most people say ext3 does not fragment, but that it not quite true. > Linux is better than Windows, but not perfect. It does fragment. I have a > system hosting multiple instances of MySQL with maybe 100 separate > databases, all of which are being inserted throughout the day. My iowaits > have steadily increased over time and I believe some of it is due to > fragmentation. The real questions are (1) what is the best way to fix it, > and (2) are there any possible repercussions to defragmenting a filesystem > that rides on a DRBD device? I assume the answer to the second question is > no. Does anyone have thoughts on the first question? What if we just copy > all of the data off of the filesystem, rm -rf it, and then copy it back in? > Or should we try to use some kind of ext3 defragmenter? > > > -- > Eric Robinson > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Disclaimer - March 15, 2011 > > This email and any files transmitted with it are confidential and intended > solely for [email protected]. If you are not the named addressee > you should not disseminate, distribute, copy or alter this email. Any views > or opinions presented in this email are solely those of the author and might > not represent those of Physicians' Managed Care or Physician Select > Management. Warning: Although Physicians' Managed Care or Physician Select > Management has taken reasonable precautions to ensure no viruses are present > in this email, the company cannot accept responsibility for any loss or > damage arising from the use of this email or attachments. > _______________________________________________ > drbd-user mailing list > [email protected] > http://lists.linbit.com/mailman/listinfo/drbd-user > > _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
