From owner-freebsd-scsi Thu Apr 19 14:12: 3 2001 Delivered-To: freebsd-scsi@freebsd.org Received: from dirty.research.bell-labs.com (dirty.research.bell-labs.com [204.178.16.6]) by hub.freebsd.org (Postfix) with SMTP id 61B6E37B43C for ; Thu, 19 Apr 2001 14:11:58 -0700 (PDT) (envelope-from dharani@lucent.com) Received: from bronx.dnrc.bell-labs.com ([135.180.160.8]) by dirty; Thu Apr 19 17:10:53 EDT 2001 Received: from acme (acme [135.180.135.56]) by bronx.dnrc.bell-labs.com (8.9.3/8.9.3) with SMTP id RAA27180; Thu, 19 Apr 2001 17:10:49 -0400 (EDT) Message-ID: <004c01c0c916$d5ac8290$3887b487@dnrc.belllabs.com> Reply-To: "Dharani Vilwanathan" From: "Dharani Vilwanathan" To: "Dharani Vilwanathan" , Subject: Resend: Tagged queuing Date: Thu, 19 Apr 2001 17:22:27 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Hi, Since I didnt get any response to this request, I am resending it. Can someone give some pointers at least? Or can someone tell me which mailing list would be appropriate for this question? Thanks dharani > I have a couple of SCSI disks and Adaptec SCSI controller. I tried to access > data blocks from the raw device in parallel using multiple threads and > processes. I did succeed to some extent. So I was convinced that the tagged > I/O works. Now, is there any way I can access the data blocks in parallel in > a single thread/process? I am looking for a way to issue read requests in > asynchronous/non-blocked fashion. Does aio_read(), aio_write(), etc. calls > work? Is there any other way to do this? > > Any help is appreciated. > > Thanks > dharani > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message