That is the default :)

For restores, you will suffer a lot if you do not use smaller fragments 
when doing restores.

On Wed, 21 Jun 2006, WEAVER, Simon wrote:

>
> Justin
> Its LTO3 800gb compressed tapes. My point is, this is what NBU decided on,
> not myself.
>
> Regards
>
> Simon Weaver
> 3rd Line Technical Support
> Windows Domain Administrator
>
> EADS Astrium Limited, B32AA IM (DCS)
> Anchorage Road, Portsmouth, PO3 5PU
>
> Email: Simon.Weaver at Astrium-eads.net
>
>
>
> -----Original Message-----
> From: Justin Piszcz [mailto:jpiszcz at lucidpixels.com]
> Sent: 21 June 2006 10:24
> To: WEAVER, Simon
> Cc: veritas-bu at mailman.eng.auburn.edu
> Subject: RE: [Veritas-bu] Fragment size question,something that affects us
> all..
>
>
> Well you would NOT want to use 1TB, that is pointless unless you have 1TB
> tapes, etc.  You should use 2048mb if you don't know what to use.  If you
> need further explanation let me know.
>
> On Wed, 21 Jun 2006, WEAVER, Simon wrote:
>
>>
>> Justin
>> Ok, well by default in Windows, the Max Fragment size appears to be
>> set for "1048576".
>>
>> Anyone else in a Windows environemnt who can confirm what your storage
>> setting is set for please?
>>
>> Regards
>>
>> Simon Weaver
>> 3rd Line Technical Support
>> Windows Domain Administrator
>>
>> EADS Astrium Limited, B32AA IM (DCS)
>> Anchorage Road, Portsmouth, PO3 5PU
>>
>> Email: Simon.Weaver at Astrium-eads.net
>>
>>
>>
>> -----Original Message-----
>> From: Justin Piszcz [mailto:jpiszcz at lucidpixels.com]
>> Sent: 21 June 2006 09:10
>> To: WEAVER, Simon
>> Cc: veritas-bu at mailman.eng.auburn.edu
>> Subject: Re: [Veritas-bu] Fragment size question,something that
>> affects us all..
>>
>>
>> 2048MB is what most people set, but the fragment-to-filesize is the
>> best way to optimize this for your restores.
>>
>> On Wed, 21 Jun 2006, WEAVER, Simon wrote:
>>
>>>
>>> Hello Justin
>>> Sorry I have been unwell.
>>> Ok, well not sure really, but are you referring to the fragmentation
>>> size on the storage unit that you can change? If I recall, I think
>>> 1TB is the max size you can set, but I thought this affected just
>>> restores Justin.
>>>
>>> Unless I am missing the point here??
>>>
>>> Regards
>>>
>>> Simon Weaver
>>> 3rd Line Technical Support
>>> Windows Domain Administrator
>>>
>>> EADS Astrium Limited, B32AA IM (DCS)
>>> Anchorage Road, Portsmouth, PO3 5PU
>>>
>>> Email: Simon.Weaver at Astrium-eads.net
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Justin Piszcz [mailto:jpiszcz at lucidpixels.com]
>>> Sent: 20 June 2006 16:50
>>> To: veritas-bu at mailman.eng.auburn.edu
>>> Subject: Re: [Veritas-bu] Fragment size question,something that
>>> affects us all..
>>>
>>>
>>> Any comments on this? Simon? :)
>>>
>>> On Tue, 20 Jun 2006, Justin Piszcz wrote:
>>>
>>>> Finding the sweet spot for the fragment size is a time consuming
>>>> task as each of our environments is different.
>>>>
>>>> How much does each 'index' per each fragment take up?
>>>>
>>>> Say I backup 200GB to an LTO2 tape, if I write an index every 2GB,
>>>> how much space is lost due to the file markers?
>>>>
>>>> I know the file markers immensely speed up the restores, but what is
>>>> the impact of them on backups?  Has anyone thought of this?
>>>>
>>>> Also, what if the fragment size is 32GB and the backup is exactly
>>>> 32GB? Are two fragments written or one?
>>>>
>>>> If any of you have thought about this, please comment!
>>>>
>>>> Thanks,
>>>>
>>>> Justin.
>>>>
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>
> This email is for the intended addressee only.
> If you have received it in error then you must not use, retain, disseminate 
> or otherwise deal with it.
> Please notify the sender by return email.
> The views of the author may not necessarily constitute the views of EADS 
> Astrium Limited.
> Nothing in this email shall bind EADS Astrium Limited in any contract or 
> obligation.
>
> EADS Astrium Limited, Registered in England and Wales No. 2449259
> Registered Office: Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2AS, 
> England
>