RE: iSeries Disk Drives - Generic?

[CWilt@xxxxxxxxxxxx]

Larry,

Thanks for the update.  I didn't realize you could reformat from SST or
iNav.

Charles


> -----Original Message-----
> From: Larry Bolhuis [mailto:lbolhuis@xxxxxxxxxx]
> Sent: Wednesday, August 11, 2004 2:41 PM
> To: Midrange Systems Technical Discussion
> Subject: Re: iSeries Disk Drives - Generic?
> 
> 
> You can actually reformat the drives on the system under work 
> with disk 
> units and also via iNav. I've taken drives to PCs formatted 
> to 512 and 
> then back to 520 on iSeries.
> 
> What will clobber you though is the controller asks the drive 
> for it's 
> type when it boots up. If it's not 'on the list' then the controller 
> will ignore it. 
> 
> Bottom line is that it does not work.  Believe me I've tried 
> a number of 
> things just to experiment. I would never use non-ibm drives in a 
> production system, just way too much risk!
> 
>  - Larry (aka DrFranken www.frankenseries.com )
> 
> CWilt@xxxxxxxxxxxx wrote:
> 
> >Not gonna work.
> >
> >First problem, iSeries drives are low-level formatted at 
> 520(?) bytes a
> >sector vs. the normal 512(?).  While you can get utilities 
> to reformat the
> >520s to 512s, I don't know of any going the other way.
> >
> >Second problem, iSeries drives do include something  
> "extra".  I think it's
> >mostly differences in the micro-code.  
> >
> >Charles
> >
> >
> >  
> >
> >>-----Original Message-----
> >>From: Bill [mailto:billzbubb@xxxxxxxxxx]
> >>Sent: Wednesday, August 11, 2004 12:45 PM
> >>To: Midrange List
> >>Subject: iSeries Disk Drives - Generic?
> >>
> >>
> >>I've had a thought that I'm sure won't have a good answer, 
> >>but I've got to
> >>ask it:
> >>
> >>Is there something special about the SCSI drives that IBM 
> >>puts into the
> >>iSeries.  Specifically, my 730 has the large cages that 
> >>surround the drive.
> >>The drives seem to be 80 pin hot-plug drives.
> >>
> >>I've played with the idea of taking a cage apart (I have many 
> >>spare 4GB
> >>arrays) and putting a larger drive in.  Has anyone attempted 
> >>anything like
> >>this?
> >>
> >>Bill
> >>    
> >>
> 
> -- 
> Larry Bolhuis                   IBM eServer Certified Systems Expert:
> Vice President                    iSeries Technical Solutions V5R2
> Arbor Solutions, Inc.             iSeries LPAR Technical 
> Solutions V5R2
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> Technical 
> Solutions V5R2
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> Specialist
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> 
>   If you can read this, thank a teacher....and since it's in English, 
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> 
> 
> 
> 
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