[Gllug] re: software vs hardware RAID

[Ian Norton]

Martin A. Brooks wrote:

>On Thu, 2004-11-04 at 15:01 +0100, Ian Norton wrote:
>
>  
>
>>but with that logic, there is no point in raid in the first place.
>>    
>>
>
>Then you miss the point of RAID entirely.  RAID has _never_ been about
>stopping you losing data.  It's about speed and redundancy.
>
im not arguing against backups or raid. just that the un-necessary use 
of a closed on-disk format. making any chance of a different hardware 
raid system unable to read a disk. There are situations when you dont 
have a 100% accurate backup (maybe for 1hr of the day at most if your 
boss actually lets you backup to tape on a good schedule)  the closed 
hardware raid card formats make any chance of data salvage in this case 
almost impossible, whereas a software raid system doesnt.

Ian
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