From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: Add set bad lba function in md-faulty module. Date: Tue, 15 May 2012 10:16:11 +1000 Message-ID: <20120515101611.4f2aaba0@notabene.brown> References: <201205141822219532629@gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/Cg5Fd_y/w2M5BnvIC=nGNgj"; protocol="application/pgp-signature" Return-path: In-Reply-To: <201205141822219532629@gmail.com> Sender: linux-raid-owner@vger.kernel.org To: kedacomkernel Cc: linux-raid List-Id: linux-raid.ids --Sig_/Cg5Fd_y/w2M5BnvIC=nGNgj Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 14 May 2012 18:22:25 +0800 "kedacomkernel" wrote: > Hi all: > In order to test md code, sometime we need simulate read/write harddisk= error. > Using hdparm --make-bad-sector to simulate read error.But I did not fi= nd way of simulating write-error. > I tested md-faulty module, it can do this.But it is not provide the func= tion link hdparm --make-bad-sector,which did not set lba. > Using hdpamr --make-bad-sector to simulate read error can cause some pr= oblem. > It will cause ata commnd reset,disk reset and so on.It take too log time. > So I think add a function in md-faulty which can set read/write lba. > How about ? I don't know how --make-bad-sector works so it might not be possible to get md to respond to the same command. But if it can work it sounds like a good idea. Patches welcome. NeilBrown > =09 > -------------- > kedacomkernel > 2012-05-14 >=20 > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html --Sig_/Cg5Fd_y/w2M5BnvIC=nGNgj Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQIVAwUBT7GgSznsnt1WYoG5AQLZZBAAqU0yn9kDM2RS4j2uOGUEGM799tMyiisr InJ0iwkehEC4jt6MvLRn7be+rWxFvPv0io4s+swO/lhG4yPi9LngNSQRrbv284h2 5GtIYz3EAqYY8sG8BJjCzWJMcobWLCg4iXkRtc0InNx8bK+Gab6qGUbgNDs81b2a 2dVBWLqTcA+JlgOsBkkbUhgV0Kv+rmTSwT61Ms/UgxzWEW088IzykPt1XwH6a7hk 3MYP4U1fIBiYXSZjpKW8uBar6m9zmOY8vSQv6LU9Tu89rw2PTtS0yAl6vq6XO074 1T8dVgQKK9uCG3dS7nwYnL7YktxkfJ0dOqwIOJbqPWyq0YdEyYxM6D0nXPwWZbbk Y6jtdouu+oHzV8isAj8U/25q2h4mySM8cggWwBcxD4pOqzlhXf5dtNiS1N+UO/sZ oyE7yIMU6Gj4rvHxpq3IRtbn+Dk9YwcFde7tjTlLtlnC0zdi70AM64H1Y2DCmXSl 504Ke7VxBJyGtRSsxDyPJYhiGGtXElgdXWn5+ZUOK6jG/byyTRQbeQRW1agMXMZp ipyV1H2Mswuq9HTWQkIZXF+Q4P4p/mx2Nr4gC9XvDP/OudA1JepOV3N+N6P71iz7 lfl1QgyMWrDor7ghaESQON/5WCCOICRzKG6vzV5cW6T8CBD00a19YLmpU/ElApj2 KO/oEDDoGNY= =PFci -----END PGP SIGNATURE----- --Sig_/Cg5Fd_y/w2M5BnvIC=nGNgj--