Re: Suggestions for a HBA controller (6 x SSDs + madam RAID10)

From: Pietro Pugni <pietro(dot)pugni(at)gmail(dot)com>
To: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
Cc: "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Suggestions for a HBA controller (6 x SSDs + madam RAID10)
Date: 2017-02-21 23:46:13
Message-ID: 861F33C2-A55C-4036-9922-C6DA258A2B7D@gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

> Suggestion #1 is to turn off any write caching on the RAID controller. Using LSI MegaRAID we went from 3k to 5k tps to 18k just turning off write caching. Basically it just got in the way.

Write caching is disabled because I removed the expansion card of the RAID controller. It didn’t let the server boot properly with SSDs mounted.

Thank you for the suggestion
Pietro Pugni

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Wes Vaske (wvaske) 2017-02-22 15:36:05 Re: Suggestions for a HBA controller (6 x SSDs + madam RAID10)
Previous Message Pietro Pugni 2017-02-21 23:44:14 Re: Suggestions for a HBA controller (6 x SSDs + madam RAID10)