From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ming Zhang Subject: Re: [Iscsitarget-devel] Abort Task ? Date: Thu, 18 Oct 2007 13:30:38 -0400 Message-ID: <1192728638.3596.28.camel@dhcp-117.ibrix.com> References: <471720F1.40409@systella.fr> <471727F3.2080500@systella.fr> <471734C5.8090405@systella.fr> <1192721909.3596.15.camel@dhcp-117.ibrix.com> <47178ABF.1040500@systella.fr> Reply-To: blackmagic02881@gmail.com Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <47178ABF.1040500@systella.fr> Sender: linux-raid-owner@vger.kernel.org To: BERTRAND =?ISO-8859-1?Q?Jo=EBl?= Cc: "Ross S. W. Walker" , iscsitarget-devel@lists.sourceforge.net, linux-raid@vger.kernel.org List-Id: linux-raid.ids On Thu, 2007-10-18 at 18:33 +0200, BERTRAND Jo=C3=ABl wrote: > Ming Zhang wrote: > > On Thu, 2007-10-18 at 11:33 -0400, Ross S. W. Walker wrote: > >> BERTRAND Jo=C3=ABl wrote: > >>> BERTRAND Jo=C3=ABl wrote: > >>>> BERTRAND Jo=C3=ABl wrote: > >>>>> Hello, > >>>>> > >>>>> When I try to create a raid1 volume over iscsi, process=20 > >>> aborts with : > >>>>> - on target side: > >>>>> > >>>>> iscsi_trgt: cmnd_abort(1156) 29 1 0 42 57344 0 0 > >>>>> iscsi_trgt: Abort Task (01) issued on tid:1 lun:0 by=20 > >>> sid:630024457682948=20 > >>>>> (Unknown Task) > >>>> Next run: > >>>> iscsi_trgt: cmnd_abort(1156) 13 1 0 42 57344 0 0 > >>>> iscsi_trgt: Abort Task (01) issued on tid:1 lun:0 by=20 > >>> sid:630058817421315=20 > >>>> (Unknown Task) > >>>> > >>>> You can see that both lines are very similar. I shall=20 > >>> try to use=20 > >>>> blockio instead fileio. > >>> With blockio, I got the following message... > >>> > >>> iscsi_trgt: cmnd_abort(1156) c 1 0 42 8192 0 0 > >>> iscsi_trgt: Abort Task (01) issued on tid:1 lun:0 by=20 > >>> sid:630024457682946=20 > >>> (Unknown Task) > >>> > >>> Command is the same. What is the signification of 1156 ? > >> Both outputs are from the same Abort Task management function > >> the 1156 refers to the line in iscsi.c where the debug printf > >> was issued. > >> > >> The other is the more verbose informative message that says > >> an Abort Task command was issued, but the task was not found. > >=20 > > pure guess, this might because the sparc64 you are using. > >=20 > > could you export a NULLIO target and do some intensive io tests? so= rt > > out these platform issues first... >=20 > I can format serveral times (mkfs.ext3) a 1.5 TB volume over iSCSI=20 > without any trouble. I can read and write on this virtual disk withou= t=20 > any trouble. >=20 > Now, I have configured ietd with : >=20 > Lun 0 Sectors=3D1464725758,Type=3Dnullio >=20 > and I run on initiator side : >=20 > Root gershwin:[/dev] > dd if=3D/dev/zero of=3D/dev/sdj bs=3D8192 > 479482+0 records in > 479482+0 records out > 3927916544 bytes (3.9 GB) copied, 153.222 seconds, 25.6 MB/s 25MB/s over a NULLIO is a very slow result... >=20 > Root gershwin:[/dev] > dd if=3D/dev/zero of=3D/dev/sdj bs=3D8192 >=20 > I'm waitinfor a crash. No one when I write these lines. I suspect an= =20 > interaction between raid and iscsi. >=20 > Regards, >=20 > JKB --=20 Ming Zhang @#$%^ purging memory... (*!% http://blackmagic02881.wordpress.com/ http://www.linkedin.com/in/blackmagic02881 -------------------------------------------- - To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html