Thanks Riaan, Joel,

Does the advanced file device have to be a filesystem? .. or is it just a
raw veritas volume ie.. /dev/vx/rdsk/devdg/device1
If is uses uasm I can see it being a filesystem.

Riaan,   are you saving that it does do compression when saving to one of
these devices..ie  a 500GB device may hold
more than 500GB?

Joel,  I agree with your device sizing but I believe the license is tiered..
4 5TB devices may cost more in licensing than
20 1TB devices?

Thanks for discussing this..  I rather do that than try to implement the
devices only to find out the disk requirements were
way off.

Robert Maiello
Thomson Healthcare


 -----Original Message-----
From:   Joel Fisher [mailto:jfisher AT wfubmc DOT edu]
Sent:   Tuesday, September 16, 2003 10:21 AM
To:     Legato NetWorker discussion; Robert Maiello
Subject:        RE: [Networker] Advanced File Device Size

That's why I think it makes good sense to have 4x5TB devices rather than
20x1TB or 40x500GB.  I think the only way to do that is with vxfs/vxvm.

Joel

-----Original Message-----
From: Robert Maiello [mailto:robert.maiello AT MEDEC DOT COM]
Sent: Tuesday, September 16, 2003 10:08 AM
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: Re: [Networker] Advanced File Device Size

Shawn,

For us non file device folks..

I imagine since it is not a tape drive that the volume is 500GB with no
compression taking place?

I have some clients that are 500GB+ in size.. I rely on the tape drive
compression quite a bit..I can't being to think the amount of file
devices
I would need to do my backups.  I would need to stage the fulls to tape
almost immediately after they are backed up ??

Robert Maiello
Thomson Healthcare


On Tue, 16 Sep 2003 08:49:41 -0500, Shawn Cox <shawn.cox AT PCCA DOT COM>
wrote:

>I'm Windows based, so may not apply. I have 2 500GB devices and one
200GB
>device.  Works nicely.
>--Shawn
>
>----- Original Message -----
>From: "Joel Fisher" <jfisher AT WFUBMC DOT EDU>
>To: <NETWORKER AT LISTMAIL.TEMPLE DOT EDU>
>Sent: Tuesday, September 16, 2003 8:43 AM
>Subject: [Networker] Advanced File Device Size
>
>
>Hey All,
>
>
>
>Anyone using AFDs as their main targets for backups?  How large did you
>create your devices.  It seems to me that the design of the AFD is
>geared towards very large devices.  Anyone using a vxvm managed volume
>cooked with vxfs as an AFD?  What size volumes did you go with?
>
>
>
>TIA,
>
>
>
>Joel
>
>
>--
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