Re: With 4 disks should I go for RAID 5 or RAID 10

From: Florian Weimer <fw(at)deneb(dot)enyo(dot)de>
To: david(at)lang(dot)hm
Cc: Fernando Hevia <fhevia(at)ip-tel(dot)com(dot)ar>, "'Mark Mielke'" <mark(at)mark(dot)mielke(dot)cc>, "'pgsql-performance'" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: With 4 disks should I go for RAID 5 or RAID 10
Date: 2007-12-26 20:55:38
Message-ID: 87zlvxnpkl.fsf@mid.deneb.enyo.de
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

> seek/read/calculate/seek/write since the drive moves on after the
> read), when you read you must read _all_ drives in the set to check
> the data integrity.

I don't know of any RAID implementation that performs consistency
checking on each read operation. 8-(

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message Jared Mauch 2007-12-26 20:58:44 Re: pg_dump performance
Previous Message Fernando Hevia 2007-12-26 20:52:27 Re: With 4 disks should I go for RAID 5 or RAID 10