[aklug] Re: lvcreate

Quoting Christopher Howard <choward@indicium.us>:

>>
>> Oops... It would seem that there are examples at the bottom of the man
>> page. I'll let you know if my hard drive explodes. (Assuming I survive.)
>>
>> ---------
>
> I created the volume and mounted it, no problems. Easier than I figured
> it would be - whole process took about two minutes.
>

Chris,

Glad you figured this out. LVM's are a great way to manage your =20
storage, even if you don't have a bunch of different physical disks.

Additionally, if you use newer versions of ext3, ext4 (I believe) and =20
xfs, you can grow and shrink these volumes while they are online, =20
without having to unmount them.

There are caveat's to doing such things, however, it makes disk =20
management a whole lot easier in the long run.

An example for me was that my /var volume was an LVM xfs volume. =20
Initially, it was set up with a minimal amount of storage and things =20
worked well for a while.

I started playing with zenoss to monitor some equipment and the var =20
volume started to grow pretty rapidly.

A couple of lvm and xfs commands later, I had more disk space!

LVM's give us the ability to put the disk space where we need it, when =20
we need it.

Everyone should learn how LVM's work.

Mike B.

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Received on Sat Jun 13 11:11:39 2009