Al Sparks spake the following on 5/3/2007 6:39 PM:
> --- Matt Hyclak <hyclak@xxxxxxxxxxxxxx> wrote:
>
>> On Wed, May 02, 2007 at 11:06:31PM -0700, Al Sparks enlightened us:
>>>> Did you resize the filesystem, too?
>>>>
>>>> Matt
>>> Nope. How do you do that?
>> resize2fs would be a good guess. Usually this is done *before* you shrink
>> the disk out from underneath it. If anything was in those sectors you
>> removed from the LV, you might be out of luck.
>>
>> Matt
>
> Well, I was able to get my server back up.
>
> First, I had to boot it up on a recovery CD (standard CentOS) and
> comment out the bad volume it wanted to mount in /etc/fstab.
>
> When the server came back up, I tried using resize2fs to resize. The
> resize2fs would not let me resize until I manually ran fsck because
> the file system and logical volume block counts wouldn't match (been
> there, done that, no joy). So I increased the logical volume back to
> where it was to make them match, ran fsck again, and everything
> checked out. I then was able to use resize2fs to decrease the file
> system size, and then run lvreduce to decrease the volume size.
>
> However, because neither application didn't seem to allow me to use
> block size parameters, I used units of Megabytes and would end up
> within a few blocks of each other. I then would estimate how much
> more units of +/- MB I needed to get things in sync.
>
> Kind of a pain. Anyway, I appreciate the help. Nice to have these
> tools available to use.
> === Al
If it worked for you then you could resize2fs to "smaller" than you need,
resize the LV, and resize2fs with no size parameters I believe will resize to
all available space in the filesystem. Yes, it is one extra step, but it
should work. I haven't used resize2fs for so long, I did't think it worked on
ext3. I guess past pains don't always carry to the future.
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