Re: [PERFORM] dissimilar drives in Raid10 , does it make difference ?

2009-02-14 Thread Craig Ringer
Matthew Wakeling wrote: In fact, it is recommended that two different types of drives are used. That way, if there's a mass failure of a whole batch of drives from one particular vendor, you don't lose all your data. Don't think this is just paranoia, either. I've had it happen to me SEVERAL

Re: [PERFORM] dissimilar drives in Raid10 , does it make difference ?

2009-02-13 Thread Matthew Wakeling
On Fri, 13 Feb 2009, Rajesh Kumar Mallah wrote: I have received Dell Poweredge 2950 MIII with 2 kind of drives. I cant' make out the reason behind it , does it make any difference in long run or in performance the drives are similar in overall characteristics but does the minor differences if wil

[PERFORM] dissimilar drives in Raid10 , does it make difference ?

2009-02-13 Thread Rajesh Kumar Mallah
I have received Dell Poweredge 2950 MIII with 2 kind of drives. I cant' make out the reason behind it , does it make any difference in long run or in performance the drives are similar in overall characteristics but does the minor differences if will cause any problem ? scsi0 : LSI Logic SAS based