Re: Suggestions for a HBA controller (6 x SSDs + madam RAID10)
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Subject
: Re: Suggestions for a HBA controller (6 x SSDs + madam RAID10)
From
: Scott Marlowe <scott.marlowe@xxxxxxxxx>
Date
: Tue, 21 Feb 2017 13:09:12 -0700
Cc
: "pgsql-performance@xxxxxxxxxxxxxx" <pgsql-performance@xxxxxxxxxxxxxx>
In-reply-to
: <
DEBA08E2-240E-4332-8318-391097B613D0@gmail.com
>
References
: <
DEBA08E2-240E-4332-8318-391097B613D0@gmail.com
>
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.
Follow-Ups
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Re: Suggestions for a HBA controller (6 x SSDs + madam RAID10)
From:
Pietro Pugni
References
:
Suggestions for a HBA controller (6 x SSDs + madam RAID10)
From:
Pietro Pugni
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