From: Tino Wildenhain <tino@wildenhain.de>
To: Javier Somoza <jsomoza@pandasoftware.es>
Cc: pgsql-performance@postgresql.org
Subject: Re: fsync and battery-backed caches
Date: Mon, 27 Feb 2006 11:12:57 +0100
Message-ID: <4402D0A9.7080705@wildenhain.de> (raw)
In-Reply-To: <1141034594.1556.15.camel@pndsoft>
References: <1141034594.1556.15.camel@pndsoft>
Javier Somoza schrieb:
>
> Hi all
>
> Is it secure to disable fsync havin battery-backed disk cache?
>
> Thx
>
No. fsync moves the data from OS memory cache to disk-adaptor
cache which is required to benefit from battery backup.
If this data is written to the plates immediately depends on settings
of your disk adaptor card.
Regards
Tino
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To: pgsql-performance@postgresql.org
Cc: tino@wildenhain.de, jsomoza@pandasoftware.es
Subject: Re: fsync and battery-backed caches
In-Reply-To: <4402D0A9.7080705@wildenhain.de>
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