[OpenAFS-devel] Re: [OpenAFS] Max partition and Volume size

Derrick Brashear shadow@gmail.com
Tue, 1 Apr 2008 07:36:16 -0400


On Tue, Apr 1, 2008 at 4:18 AM, Hartmut Reuter <reuter@rzg.mpg.de> wrote:
> Rich Sudlow wrote:
>  > I wanted to double check - is the max partition and volume size
>  > both 2 TB?
>  >
>  > Are there any plans on increasing the partition size
>  > in the near future?
>  >
>  > Thanks,
>  >
>  > Rich
>  >
>
>  Partition size doesn't matter too much any more when you use "OpenAFS +
>  object storage" (see best practice workshop in May). But maximum volume
>  size right now is limited by the int32 to count the volume's blocks and
>  also the disk quota. If you don't set a disk quota you may also today
>  end up with bigger volumes. Our biggest has 6.3 TB, but the number of
>  blocks you see with "vos examine" is modulo 4 TB, of course.
>
>  I admit: this is not what we wanted, but it happened.

There's an extension in 1.5 (a modification to vos and the volserver)
which fixes this.