Skip site navigation (1) Skip section navigation (2)

dissimilar drives in Raid10 , does it make difference ?

From: Rajesh Kumar Mallah <mallah(dot)rajesh(at)gmail(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: dissimilar drives in Raid10 , does it make difference ?
Date: 2009-02-13 13:30:50
Message-ID: a97c77030902130530qadf160fj2f2e3ca299c44a0e@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-performance
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 MegaRAID driver
  Vendor: SEAGATE   Model: ST973451SS        Rev: SM04
  Type:   Direct-Access                      ANSI SCSI revision: 05
  Vendor: FUJITSU   Model: MBC2073RC         Rev: D506
  Type:   Direct-Access                      ANSI SCSI revision: 05
  Vendor: FUJITSU   Model: MBC2073RC         Rev: D506
  Type:   Direct-Access                      ANSI SCSI revision: 05
  Vendor: SEAGATE   Model: ST973451SS        Rev: SM04
  Type:   Direct-Access                      ANSI SCSI revision: 05
  Vendor: SEAGATE   Model: ST973451SS        Rev: SM04
  Type:   Direct-Access                      ANSI SCSI revision: 05
  Vendor: FUJITSU   Model: MBC2073RC         Rev: D506
  Type:   Direct-Access                      ANSI SCSI revision: 05
  Vendor: SEAGATE   Model: ST973451SS        Rev: SM04
  Type:   Direct-Access                      ANSI SCSI revision: 05
  Vendor: FUJITSU   Model: MBC2073RC         Rev: D506
  Type:   Direct-Access                      ANSI SCSI revision: 05

thanks
regds
-- mallah

Responses

pgsql-performance by date

Next:From: Kenneth MarshallDate: 2009-02-13 14:04:58
Subject: Re: [PERFORM] GIST versus GIN indexes for intarrays
Previous:From: Teodor SigaevDate: 2009-02-13 13:12:53
Subject: Re: [PERFORM] GIST versus GIN indexes for intarrays

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group