From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: LSI SAS2008 SATA TRIM not working Date: Fri, 07 Feb 2014 15:59:40 -0500 Message-ID: References: <1391730975.3449.16.camel@sonic.justonedata.com> <1391806363.2761.8.camel@sonic.justonedata.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from aserp1040.oracle.com ([141.146.126.69]:34071 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751529AbaBGVAN (ORCPT ); Fri, 7 Feb 2014 16:00:13 -0500 In-Reply-To: <1391806363.2761.8.camel@sonic.justonedata.com> (Kurt Miller's message of "Fri, 07 Feb 2014 15:52:43 -0500") Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Kurt Miller Cc: "Martin K. Petersen" , linux-scsi@vger.kernel.org >>>>> "Kurt" == Kurt Miller writes: Kurt> Thank you for your reply. Below is the output you requested. Note Kurt> that when the EVO's are connected to a SATA AHCI port on my Kurt> desktop motherboard, TRIM works okay. Please let me know if you Kurt> need additional information. Kurt> provisioning: lbpme=0, lbprz=0 Last logical block ^^^^^^^ This indicates the SAT on the mpt2sas board didn't enable discard support for the drive. Please provide the full output of hdparm -I. Maybe we can get some clues as to why that is... -- Martin K. Petersen Oracle Linux Engineering