Re: [CentOS] Convert Filesystem to Ext4

2011-04-20 Thread Ryan Wagoner
On Wed, Apr 20, 2011 at 3:08 PM, John Beranek wrote: > That's not quite true, you can force files on a partition to be > re-created using extents with something like the below: > > find /home -xdev -type f -print0 | xargs -0 chattr +e > find /home -xdev -type d -print0 | xargs -0 chattr +e > > Che

Re: [CentOS] Convert Filesystem to Ext4

2011-04-20 Thread John Beranek
On 19/04/2011 23:51, Kenni Lund wrote: > > Den 19/04/2011 19.42 skrev "Matt" >: >> >> 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 > a

Re: [CentOS] Convert Filesystem to Ext4

2011-04-19 Thread Luigi Rosa
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Brandon Ooi said the following on 19/04/11 21:32: > Mail servers with high I/O won't get much (if any) of a performance boost. > It's an i/o issue not something that ext4 can help you with except possibly a > faster fsck if things go down. Things li

Re: [CentOS] Convert Filesystem to Ext4

2011-04-19 Thread Kenni Lund
Den 19/04/2011 19.42 skrev "Matt" : > > 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 whi

Re: [CentOS] Convert Filesystem to Ext4

2011-04-19 Thread Brandon Ooi
On Apr 19, 2011, at 11:55 AM, Ryan Wagoner wrote: > On Tue, Apr 19, 2011 at 2:29 PM, Scott Silva wrote: >> on 4/19/2011 11:16 AM Scott Silva spake the following: >>> 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 t

Re: [CentOS] Convert Filesystem to Ext4

2011-04-19 Thread Ryan Wagoner
On Tue, Apr 19, 2011 at 2:29 PM, Scott Silva wrote: > on 4/19/2011 11:16 AM Scott Silva spake the following: >> 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

Re: [CentOS] Convert Filesystem to Ext4

2011-04-19 Thread Scott Silva
on 4/19/2011 11:16 AM Scott Silva spake the following: > 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

Re: [CentOS] Convert Filesystem to Ext4

2011-04-19 Thread Scott Silva
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 wel

[CentOS] Convert Filesystem to Ext4

2011-04-19 Thread Matt
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?