Replying to the daily digest, with my response at the bottom.
Message: 13 Date: Fri, 15 Jun 2012 12:22:08 -0700 From: Ray Van Dolson rayvd@bludgeon.org Subject: Re: [CentOS] Resizing est4 filesystem while mounted To: centos@centos.org Message-ID: 20120615192207.GA23689@bludgeon.org Content-Type: text/plain; charset=us-ascii
On Fri, Jun 15, 2012 at 12:10:09PM -0700, Jeff Boyce wrote:
Greetings -
I had a logical volume that was running out of space on a virtual machine. I successfully expanded the LV using lvextend, and lvdisplay shows that it has been expanded. Then I went to expand the filesystem to fill the new space (# resize2fs -p /dev/vde1) and I get the results that the filesystem is already xx blocks long, nothing to do. If I do a # df -h, I can see that the filesystem has not been extended. I could kick the users off the VM, reboot the VM using a GParted live CD and extend the filesystem that way, but I thought that it was possible to do this live and mounted? The RH docs say this is possible; the man page for resize2fs also says it is possible with ext4. What am I missing here? This is a Centos 6.2 VM with an ext4 filesystem. The logical volumes are setup on the host system which is also a Centos 6.2 system.
Try resize4fs (assuming your FS is ext4).
Ray
Well, I have never seen a reference to resize4fs before (and yes my FS is ext4). It is not on my Centos 6.2 system, and doing a little searching through repositories for that specifically, or e4fsprogs, and I can't find it anywhere to even try it. Any google reference seems to point back to resize2fs. I ended up booting a live SystemRescueCD and using GParted via the GUI. My notes indicate that is what I had done previously also. I am still stumped, everything that I have read indicates that resize2fs can do a live resizing on ext4 file systems. Can anybody confirm or deny this? Is the reason I can't do this because it is on an LVM logical volume? Thanks.
Jeff Boyce Meridian Environmental
On Mon, Jun 18, 2012 at 01:09:01PM -0700, Jeff Boyce wrote:
On Fri, Jun 15, 2012 at 12:10:09PM -0700, Jeff Boyce wrote:
Greetings -
I had a logical volume that was running out of space on a virtual machine. I successfully expanded the LV using lvextend, and lvdisplay shows that it has been expanded. Then I went to expand the filesystem to fill the new space (# resize2fs -p /dev/vde1) and I get the results that the filesystem is already xx blocks long, nothing to do. If I do a # df -h, I can see that the filesystem has not been extended. I could kick the users off the VM, reboot the VM using a GParted live CD and extend the filesystem that way, but I thought that it was possible to do this live and mounted? The RH docs say this is possible; the man page for resize2fs also says it is possible with ext4. What am I missing here? This is a Centos 6.2 VM with an ext4 filesystem. The logical volumes are setup on the host system which is also a Centos 6.2 system.
Try resize4fs (assuming your FS is ext4).
Ray
Well, I have never seen a reference to resize4fs before (and yes my FS is ext4). It is not on my Centos 6.2 system, and doing a little searching through repositories for that specifically, or e4fsprogs, and I can't find it anywhere to even try it. Any google reference seems to point back to resize2fs. I ended up booting a live SystemRescueCD and using GParted via the GUI. My notes indicate that is what I had done previously also. I am still stumped, everything that I have read indicates that resize2fs can do a live resizing on ext4 file systems. Can anybody confirm or deny this? Is the reason I can't do this because it is on an LVM logical volume? Thanks.
Jeff Boyce Meridian Environmental
Interesting. Maybe this is a difference between a 6.x and 5.x system. On my RHEL 5.8 system:
# rpm -qf /sbin/resize4fs e4fsprogs-1.41.12-2.el5
I see now from my Satellite server that this package dose not exist for 6.x.
It's not clear to me why you ran into the issue you did. Will keep an eye out for this here.
Ray
On 06/18/2012 10:09 PM, Jeff Boyce wrote:
Replying to the daily digest, with my response at the bottom.
Message: 13 Date: Fri, 15 Jun 2012 12:22:08 -0700 From: Ray Van Dolson rayvd@bludgeon.org Subject: Re: [CentOS] Resizing est4 filesystem while mounted To: centos@centos.org Message-ID: 20120615192207.GA23689@bludgeon.org Content-Type: text/plain; charset=us-ascii
On Fri, Jun 15, 2012 at 12:10:09PM -0700, Jeff Boyce wrote:
Greetings -
I had a logical volume that was running out of space on a virtual machine. I successfully expanded the LV using lvextend, and lvdisplay shows that it has been expanded. Then I went to expand the filesystem to fill the new space (# resize2fs -p /dev/vde1) and I get the results that the filesystem is already xx blocks long, nothing to do. If I do a # df -h, I can see that the filesystem has not been extended. I could kick the users off the VM, reboot the VM using a GParted live CD and extend the filesystem that way, but I thought that it was possible to do this live and mounted? The RH docs say this is possible; the man page for resize2fs also says it is possible with ext4. What am I missing here? This is a Centos 6.2 VM with an ext4 filesystem. The logical volumes are setup on the host system which is also a Centos 6.2 system.
Try resize4fs (assuming your FS is ext4).
Ray
Well, I have never seen a reference to resize4fs before (and yes my FS is ext4). It is not on my Centos 6.2 system, and doing a little searching through repositories for that specifically, or e4fsprogs, and I can't find it anywhere to even try it. Any google reference seems to point back to resize2fs. I ended up booting a live SystemRescueCD and using GParted via the GUI. My notes indicate that is what I had done previously also. I am still stumped, everything that I have read indicates that resize2fs can do a live resizing on ext4 file systems. Can anybody confirm or deny this? Is the reason I can't do this because it is on an LVM logical volume? Thanks.
Please post some details about your storage topology. Without this information its not really possible to be sure what is going on. resizefs cannot work as long as the underlying layers don't see any change in size and you didn't seem to look for that.
Regards, Dennis
On 06/18/2012 03:09 PM, Jeff Boyce wrote:
Well, I have never seen a reference to resize4fs before (and yes my FS is ext4). It is not on my Centos 6.2 system, and doing a little searching through repositories for that specifically, or e4fsprogs, and I can't find it anywhere to even try it. Any google reference seems to point back to resize2fs. I ended up booting a live SystemRescueCD and using GParted via the GUI. My notes indicate that is what I had done previously also. I am still stumped, everything that I have read indicates that resize2fs can do a live resizing on ext4 file systems. Can anybody confirm or deny this?
In CentOS 5.x ext4 was experimental, and there was a separate "e4fsprogs" package containing the tools for working with it. As of version 6.0, ext4 is considered mainstream, and the tools have been merged back under the ext2 umbrella, just as with ext3.
On 19.6.2012 06:25, Robert Nichols wrote:
On 06/18/2012 03:09 PM, Jeff Boyce wrote:
Well, I have never seen a reference to resize4fs before (and yes my FS is ext4). It is not on my Centos 6.2 system, and doing a little searching through repositories for that specifically, or e4fsprogs, and I can't find it anywhere to even try it. Any google reference seems to point back to resize2fs. I ended up booting a live SystemRescueCD and using GParted via the GUI. My notes indicate that is what I had done previously also. I am still stumped, everything that I have read indicates that resize2fs can do a live resizing on ext4 file systems. Can anybody confirm or deny this?
In CentOS 5.x ext4 was experimental, and there was a separate "e4fsprogs"
ext4 *is* fully supported since 5.6, but the separate e4fsprogs stayed.
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Dennis Jacobfeuerborn -
Jeff Boyce -
Markus Falb -
Ray Van Dolson -
Robert Nichols