From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-fsdevel-owner@vger.kernel.org Message-ID: <54738A6A.40906@fastmail.fm> Date: Mon, 24 Nov 2014 20:43:38 +0100 From: Bernd Schubert MIME-Version: 1.0 To: Lutz Vieweg , linux-fsdevel@vger.kernel.org CC: util-linux@vger.kernel.org, linux-xfs@oss.sgi.com Subject: Re: fstrim on newly created filesystem tries to discard data beyond the last sector of a device References: <5473873E.1070101@5t9.de> In-Reply-To: <5473873E.1070101@5t9.de> Content-Type: text/plain; charset=utf-8 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: > Then there's another idea: The device is a SATA SSD, but attached > to a SAS2 expander chip on the backplane of the server (LSI SAS2X28) > which in turn is connected to a LSI SAS HBA 9207-4i4e. > could maybe, just maybe, the TRIM command be modified wrongly > on its way through these / their respective drivers? > Yeah, it is a known issue with LSI firmware. http://osdir.com/ml/dm-devel/2013-09/msg00126.html Last time I checked (FWv19?) it was still not fixed. Cheers, Bernd From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bernd Schubert Subject: Re: fstrim on newly created filesystem tries to discard data beyond the last sector of a device Date: Mon, 24 Nov 2014 20:43:38 +0100 Message-ID: <54738A6A.40906@fastmail.fm> References: <5473873E.1070101@5t9.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: util-linux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-xfs-VZNHf3L845pBDgjK7y7TUQ@public.gmane.org To: Lutz Vieweg , linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: In-Reply-To: <5473873E.1070101-i6VILw57VWU@public.gmane.org> Sender: util-linux-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-fsdevel.vger.kernel.org > Then there's another idea: The device is a SATA SSD, but attached > to a SAS2 expander chip on the backplane of the server (LSI SAS2X28) > which in turn is connected to a LSI SAS HBA 9207-4i4e. > could maybe, just maybe, the TRIM command be modified wrongly > on its way through these / their respective drivers? > Yeah, it is a known issue with LSI firmware. http://osdir.com/ml/dm-devel/2013-09/msg00126.html Last time I checked (FWv19?) it was still not fixed. Cheers, Bernd -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html