On a running 64 bit CentOS 5.6 box is it possible to convert from Ext3 to Ext4 to improve performance? Right now I can deal with a few hours of downtime on it. This is an email server with lots of I/O due to seek time. Software RAID1 as well. Will Ext4 offer much of an improvement?
on 4/19/2011 10:42 AM Matt spake the following:> On a running 64 bit CentOS 5.6 box is it possible to convert from Ext3 > to Ext4 to improve performance? Right now I can deal with a few hours > of downtime on it. This is an email server with lots of I/O due to > seek time. Software RAID1 as well. Will Ext4 offer much of an > improvement?http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/96/html/Migration_Planning_Guide/ch03s02.html
Den 19/04/2011 19.42 skrev "Matt" <lm7812 at gmail.com>:> > On a running 64 bit CentOS 5.6 box is it possible to convert from Ext3 > to Ext4 to improve performance?This is entirely from memory, so it might be incorrect and not relevant anymore: When ext4 got released, it was possible to upgrade ext3 to ext4, but while you would gain some ext4 features and minor performance improvements, the only way to get native ext4 performance, was to delete and recreate the partition. Best regards Kenni -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20110420/7128c78a/attachment-0005.html>