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тАО11-04-2003 07:42 AM
тАО11-04-2003 07:42 AM
XP 256 stripe size
What is XP 256 stripe size in a RAID5/RAID1 configuration? From my XP course, XP 512 has 576K stripe size in RAID 5 config and 384K in RAID 1 config
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тАО11-12-2003 01:56 PM
тАО11-12-2003 01:56 PM
Re: XP 256 stripe size
Hello,
According to the Theory Of Operation Manuals, the XP256 & XP512 Stripe size is actually 58KB (based on a 3390-3 track size), regardless of the RAID architechure used. The numbers you quoted are actually "chunk" sizes.
Regards,
Maurice Clark.
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тАО11-13-2003 02:58 AM
тАО11-13-2003 02:58 AM
Re: XP 256 stripe size
Thanks for the reply
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тАО11-13-2003 07:51 AM
тАО11-13-2003 07:51 AM
Re: XP 256 stripe size
The XP array is a renamed Hitachi.
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тАО11-13-2003 10:18 AM
тАО11-13-2003 10:18 AM
Re: XP 256 stripe size
The track size you were told is incorrect.
The emmulated track size *IS* 58K, for all R300, R400 and R450 XP disk arrays. This is the max track size for an IBM 3390-3 DASD device. This is an architechural requirement for IBM mainframe connection but transparent (although still used) for all Open Systems.
Maurice Clark.