AW: Dsmfmt on cx600 any thoughts?

Hi,

what about the option to start more then one define volume. Does the speed
increase?

Greetings 
Stefan Holzwarth

> -----Ursprüngliche Nachricht-----
> Von: Karel Bos [mailto:Karel.Bos AT NUON DOT COM]
> Gesendet: Donnerstag, 19. Februar 2004 17:45
> An: ADSM-L AT VM.MARIST DOT EDU
> Betreff: Re: Dsmfmt on cx600 any thoughts?
> 
> 
> I would create and format the volumes from within TSM. This will speed
> things up!
> 
> Regard,
> 
> Karel
> 
> -----Oorspronkelijk bericht-----
> Van: Amar Vi [mailto:Vibhute_Bandu AT EMC DOT COM]
> Verzonden: donderdag 19 februari 2004 17:25
> Aan: ADSM-L AT VM.MARIST DOT EDU
> Onderwerp: Dsmfmt on cx600 any thoughts?
> 
> 
> Greetings,
>  
> We have serious performance issue for dsmfmt command.
>  
> We are getting 45MB/sec write speed on AIX4.3.3 box connected 
> to CX600 ATA
> RAID5 4+1 disk group.But when we use dsmfmt it gives 9 to 16 
> MB/sec. Which
> is very sluggish to format 16 TB storage for storage pools.
>  
> Does anybody have information on how dsmfmt works?
>  
>  or how to speed up so that it will give better I/O on SAN storage?
>  
> Thank you,
> 
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> 
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