Hi,

Sure. Camcontrol does indeed cover IDE, SCSI and SAS drives.

Replace this line:
On FreeBSD, IDE drives can be queried using atacontrol...

With this:
On FreeBSD, IDE drives can be queried using camcontrol identify...

In other words, the query is the same as for SCSI drives. For verification this 
is what the output looks like:

root@bsd11desk:/home/jre # camcontrol identify 0:0:0 | egrep "Feature|write 
cache"
Feature                      Support  Enabled   Value           Vendor
write cache                    yes      yes

I appreciate the Postgresql docs are not meant to be FreeBSD tutorials.

Thanks,
J.


> On 11 Aug 2017, at 20:51, Peter Eisentraut <peter.eisentr...@2ndquadrant.com> 
> wrote:
> 
> On 8/8/17 18:40, jrek...@gmail.com wrote:
>> The following documentation comment has been logged on the website:
>> 
>> Page: https://www.postgresql.org/docs/9.6/static/wal-reliability.html
>> Description:
>> 
>> Hi,
>> 
>> On this page:
>> https://www.postgresql.org/docs/9.6/static/wal-reliability.html
>> 
>> ... there is a reference to &#39;atacontrol&#39; on FreeBSD: &#39;On 
>> FreeBSD, IDE drives
>> can be queried using atacontrol...&#39;
>> 
>> This command was deprecated in FreeBSD 9.0 which was released in January
>> 2012. Here is a link to the relevant man page highlighting its obsolesence:
>> https://www.freebsd.org/cgi/man.cgi?query=atacontrol&amp;sektion=8&amp;apropos=0&amp;manpath=FreeBSD+9.0-RELEASE
>> 
>> The &#39;camcontrol&#39; is the replacement.
> 
> Could you supply a new phrasing of that paragraph?  Does camcontrol now
> handle both IDE and SCSI?
> 
> --
> Peter Eisentraut              http://www.2ndQuadrant.com/
> PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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