On Mon, Jan 19, 2009 at 5:39 PM, Adam Leventhal <a...@eng.sun.com> wrote:

> > And again, I say take a look at the market today, figure out a
> percentage,
> > and call it done.  I don't think you'll find a lot of users crying foul
> over
> > losing 1% of their drive space when they don't already cry foul over the
> > false advertising that is drive sizes today.
>
> Perhaps it's quaint, but 5GB still seems like a lot to me to throw away.


That wasn't a hard number, that was a hypothetical number.  On 750GB drives
I'm only seeing them lose in the area of 300-500MB.


>
> > I have two disks in one of my systems... both maxtor 500GB drives,
> purchased
> > at the same time shortly after the buyout.  One is a rebadged Seagate,
> one
> > is a true, made in China Maxtor.  Different block numbers... same model
> > drive, purchased at the same time.
> >
> > Wasn't zfs supposed to be about using software to make up for
> deficiencies
> > in hardware?  It would seem this request is exactly that...
>
> That's a fair point, and I do encourage you to file an RFE, but a) Sun has
> already solved this problem in a different way as a company with our
> products
> and b) users already have the ability to right-size drives.
>
> Perhaps a better solution would be to handle the procedure of replacing a
> disk
> with a slightly smaller one by migrating data and then treating the extant
> disks as slightly smaller as well. This would have the advantage of being
> far
> more dynamic and of only applying the space tax in situations where it
> actually
> applies.
>

A) Should have a big bright * next to it referencing "our packaged storage
solutions".  I've got plenty of 72G "Sun" drives still lying around that
aren't all identical block numbers ;)  Yes, an RMA is great, but when I've
got spares sitting on the shelf and I lose a drive at 4:40pm on a Friday,
I'm going to stick the spare off the shelf in, call Sun, and put the
replacement back on the shelf on Monday.  /horse beaten

B) I think we can both agree that having to pre-slice every disk that goes
into the system is not a viable long-term solution to this issue.

That being said, your conclusion sounds like a perfectly acceptable/good
idea to me for all of the technical people such as those on this list.

Joe User is another story, but much like adding a single drive to a
raid-z(2) vdev, I doubt that's a target market for Sun at this time.
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