From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Prof. Dr. Klaus Kusche" Subject: Re: Good SAS adapters for 6 Gb/s SATA SSD's (with TRIM)? Date: Fri, 12 Aug 2011 11:24:31 +0200 Message-ID: <4E44F14F.1020206@computerix.info> References: <4E43F2C3.9000808@computerix.info> <4E4434A4.7010808@interlog.com> <4E449BB1.3060300@interlog.com> <4E44DE8E.3070809@computerix.info> <4E44E13B.2050503@gmail.com> <4E44E8E5.4040707@computerix.info> <4E44EBF4.8050801@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from www74.your-server.de ([213.133.104.74]:49939 "EHLO www74.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751074Ab1HLJYq (ORCPT ); Fri, 12 Aug 2011 05:24:46 -0400 In-Reply-To: <4E44EBF4.8050801@gmail.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Ric Wheeler Cc: dgilbert@interlog.com, linux-scsi@vger.kernel.org, Lukas Czerner , Mark Lord On 2011-08-12 11:01, Ric Wheeler wrote: > Lukas has a more generic bulk tool that should do the job and has the > advantage that it does not have to fill the file system first (it can > lock regions and do its work). Any pointers to that? Thanks! > Note that discard is not just for physical devices like SCSI or ATA, = it > is also useful for "software" stacks like various device mapper targe= ts, > virtual block devices, etc so we should be keeping the abstraction at= a > high level for our tooling. I agree, but wiper.sh has been the first such tool and is widespread and well-known. I'm not aware of alternatives using the generic fstrim command (which is still missing on some major distributions) or FITRIM ioctl. --=20 Prof. Dr. Klaus Kusche Private address: Rainstra=DFe 9/1, 88316 Isny, Germany +49 7562 6211377 Klaus.Kusche@computerix.info http://www.computerix.inf= o Office address: NTA Isny gGmbH, Seidenstra=DFe 12-35, 88316 Isny, Germa= ny +49 7562 9707 36 kusche@nta-isny.de http://www.nta-isny.de -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html