[OmniOS-discuss] Fibre Target problems (Mark)

[Kevin Swab]

This is a good point.  Some time recently (I think with the update to
r151010) writeback cache went from being _enabled_ by default to being
_disabled_ by default.  Maybe this change was backported to r151006_057?

Does anyone know why this change was made?  If it was accidental, could
it be reversed in time for the r151012 release?

Kevin

On 09/15/2014 09:02 AM, Kyle Bruene wrote:
> Mark,
> 
> Each LU in Comstar has a "writeback cache" property. Maybe you had that enabled instead?
> 
> Kyle
> 
> Message: 1
> Date: Sun, 14 Sep 2014 21:30:50 +1200
> From: Mark <mark0x01 at gmail.com>
> To: omnios-discuss at lists.omniti.com
> Subject: Re: [OmniOS-discuss] Fibre Target problems
> Message-ID: <5415604A.7030408 at gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> 
> On 11/09/2014 9:25 p.m., OSN | Marian Fischer wrote:
>> Hi,
>>
>> do you have Sync=disabled in ZFS / ZPOOL settings?
>> If not, this can cause the slow speed ...
> 
> No, but I didn't with OI either, and it has no issues achieving 400+ Mbytes/sec and doesn't have link loss issues.
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-- 
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Kevin Swab                          UNIX Systems Administrator
ACNS                                Colorado State University
Phone: (970)491-6572                Email: Kevin.Swab at ColoState.EDU
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