Re: Howto: implement AMD SB9xx RAID5 support in dmraid
Astarta <[email protected]> Fri, 13 Apr 2012 11:00:10 +0400
| Newsgroups | gmane.linux.ataraid |
|---|---|
| Organization | rat.ru |
| Message-ID | <[email protected]> |
This is a multi-part message in MIME format. --===============2254410822581222496== Content-Type: multipart/alternative; boundary="------------080004010307090100060803" This is a multi-part message in MIME format. --------------080004010307090100060803 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx3-phx2.redhat.com id q3D7AH4N025038 Hello Mark-Willem, Good research! Thank you for sharing. -- Mary On 04/13/2012 03:23 AM, Mark-Willem Jansen wrote: > Hi, > > Been playing with the patches you gave me. And I finally got the raid=20 > up and running, using the shipped dm-raid.ko module in the 3.2 kernel. > > Lets go through the steps. > > I have applied the dmraid_pdc_raid5.patch, this caused dmraid to=20 > produce a new error related to the missing dm-raid45 module. Before=20 > activating a new raid set dmraid checks if a dm-target has been=20 > registered with device-mapper. This can be changed through a struct in=20 > metadata.c. Doing this accordingly only left me with the error of raid=20 > array not activated. Going through the dmesg I found that dmraid was=20 > giving a wrong raid type to the dm-raid module. Digging deeper I wound=20 > that the arguments given to dm-raid45 and dm-raid have a different=20 > structure. So I have changed the arguments structure send to the=20 > module accordingly. > > $ dmraid -ay -t > pdc_ciihdaafgf: 0 1953124864 raid raid5_la 2 128 nosync 3 - /dev/sdb -=20 > /dev/sdc - /dev/sdd > > this used to be something like (I forgot some numbers) > $ dmraid -ay -t > pdc_ciihdaafgf: 0 1953124864 raid core 2 132016 nosync raid5_la 1 128=20 > 3 -1 /dev/sdb 0 /dev/sdc 0 /dev/sdd 0 > > The patch has been attached. (see that I have made some typo's in=20 > naming the patch.) > > Now I can activate the raid and by using kpartx I can also mount the=20 > partitions on the raid. Whoot. > > Unfortunately the fix was a bit dirty, could be that I have broken=20 > dmraid for the other raid types. Also I am not sure if you need to=20 > send the region_size to the dm-raid module. > > Regards, > > Mark-Willem > > -----------------------------------------------------------------------= - > Date: Tue, 3 Apr 2012 11:13:20 +0400 > From: [email protected] > To: [email protected] > CC: [email protected] > Subject: Re: Howto: implement AMD SB9xx RAID5 support in dmraid > > Hello, > > I do have dm-raid45 patch for 3.2. > I do not remember where it was taken from, but it compiles with 3.2 :-) > > > On 04/03/2012 11:13 AM, Mark-Willem Jansen wrote: > > Hello, > > Later this day I will apply the patch. But patching the kernel > will be more cumbersome. The > present kernel running om my system is 3.2.0 and the patches found > on the web are for > older kernels. But maybe the module dm-raid.ko included in the > kernel can be helpful. > > Regards, > > Mark-Willem > > > Date: Mon, 2 Apr 2012 17:42:12 +0400 > > From: [email protected] <mailto:[email protected]> > > To: [email protected] <mailto:[email protected]> > > CC: [email protected] <mailto:[email protected]> > > Subject: Re: Howto: implement AMD SB9xx RAID5 support in dmraid > > > > hello, > > > > You may try the attached patch to support RAID5 in pdc dmraid > format. It > > works OK for me. > > Be sure to patch the kernel itself to support dm-raid45 target. > > > > > > On 04/02/2012 02:59 AM, Phillip Susi wrote: > > > -----BEGIN PGP SIGNED MESSAGE----- > > > Hash: SHA1 > > > > > > On 04/01/2012 04:21 PM, Mark-Willem Jansen wrote: > > >> ERROR: pdc: zero sectors on /dev/sdd > > >> ERROR: pdc: setting up RAID device /dev/sdd > > > It looks like sectors() in pdc.c is missing the case for > computing the size of a RAID5. For that matter, there appears to > be no #define for PDC_T_RAID5, so you will need to add one and add > it to the mapping table in type() and fix sectors() to handle it > and probably a few other things. > > > > > > > > > -----BEGIN PGP SIGNATURE----- > > > Version: GnuPG v1.4.11 (GNU/Linux) > > > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > > > > > iQEcBAEBAgAGBQJPeN2yAAoJEJrBOlT6nu75NFQIANRt6f4STTvdEV+lYbsT8OL= 3 > > > l22ZRVt9ReIAu7CJzRjx0yfaYAUo6Zy8fwzOjt9eF4fPYVQvnn53SYQu/qtyv2D= Z > > > rDyv7owpxwcqQsZIYvBzQvWjEVT2s6VJrVtOVnZ2G1awa1SwIoc9LPnmouOeKhQ= G > > > auYL+O1UqfQEroJDsnOkZ8srrgc/m2zN3AxID4ps0FymQyNgy2s+HhBlsI4LeUN= K > > > GimqJMwfbvaMlk0u8botcm2aMwogq+ap1GhJYddnRMluS6U4UJnS7NYrZYtww/1= m > > > 3WJWkX9hsYxo+QBA0qassg3zc/efzkC8pBBvDo7FLNGcXs2txi7dXmNXLferwFo= =3D > > > =3Do0zP > > > -----END PGP SIGNATURE----- > > > > > > _______________________________________________ > > > Ataraid-list mailing list > > > [email protected] <mailto:[email protected]> > > > https://www.redhat.com/mailman/listinfo/ataraid-list > > > > > > -- > > =D0=A1 =D1=83=D0=B2=D0=B0=D0=B6=D0=B5=D0=BD=D0=B8=D0=B5=D0=BC, > > Astarta > > =D0=90=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=82= =D0=BE=D1=80 =D0=A4=D0=BE=D1=80=D1=83=D0=BC=D0=B0 "=D0=9A=D1=80=D1=8B=D1=81= =D0=B8=D0=BD=D1=8B=D0=B9 =D0=91=D1=83=D0=BC" > > http://rat.ru/forum/index.php > > > > =E2=80=9CThe Linux philosophy is 'Laugh in the face of danger'. > > Oops. Wrong One. 'Do it yourself'. Yes, that's it.=E2=80=9D > > (c) Linus Torvalds. > > > > > > --=20 > =D0=A1 =D1=83=D0=B2=D0=B0=D0=B6=D0=B5=D0=BD=D0=B8=D0=B5=D0=BC, > Astarta > =D0=90=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=82=D0=BE= =D1=80 =D0=A4=D0=BE=D1=80=D1=83=D0=BC=D0=B0 "=D0=9A=D1=80=D1=8B=D1=81=D0=B8= =D0=BD=D1=8B=D0=B9 =D0=91=D1=83=D0=BC" > http://rat.ru/forum/index.php > > =E2=80=9CThe Linux philosophy is 'Laugh in the face of danger'. > Oops. Wrong One. 'Do it yourself'. Yes, that's it.=E2=80=9D > (c) Linus Torvalds. --------------080004010307090100060803 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx3-phx2.redhat.com id q3D7AH4N025038 <html> <head> <meta content=3D"text/html; charset=3DUTF-8" http-equiv=3D"Content-Ty= pe"> </head> <body bgcolor=3D"#FFFFFF" text=3D"#000000"> Hello Mark-Willem,<br> <br> Good research! Thank you for sharing.<br> <br> --<br> Mary<br> <br> On 04/13/2012 03:23 AM, Mark-Willem Jansen wrote:<br> <br> <blockquote cite=3D"mid:[email protected]" type=3D"cite"> <div dir=3D"ltr">Hi,<br> <br> Been playing with the patches you gave me. And I finally got the raid up and running, using the shipped dm-raid.ko module in the 3.2 kernel.<br> <br> Lets go through the steps.<br> <br> I have applied the dmraid_pdc_raid5.patch, this caused dmraid to produce a new error related to the missing dm-raid45 module. Before activating a new raid set=C2=A0 dmraid checks if a dm-targ= et has been registered with device-mapper. This can be changed through a struct in metadata.c. Doing this accordingly only left me with the error of raid array not activated. Going through the dmesg I found that dmraid was giving a wrong raid type to the dm-raid module. Digging deeper I wound that the arguments given to dm-raid45 and dm-raid have a different structure. So I have changed the arguments structure send to the module accordingly.<b= r> <br> $ dmraid -ay -t<br> pdc_ciihdaafgf: 0 1953124864 raid raid5_la 2 128 nosync 3 - /dev/sdb - /dev/sdc - /dev/sdd<br> <br> this used to be something like (I forgot some numbers)<br> $ dmraid -ay -t<br> pdc_ciihdaafgf: 0 1953124864 raid core 2 132016 nosync raid5_la 1 128 3 -1 /dev/sdb 0 /dev/sdc 0 /dev/sdd 0<br> <br> The patch has been attached. (see that I have made some typo's in naming the patch.)<br> <br> Now I can activate the raid and by using kpartx I can also mount the partitions on the raid. Whoot.<br> <br> Unfortunately the fix was a bit dirty, could be that I have broken dmraid for the other raid types. Also I am not sure if you need to send the region_size to the dm-raid module.<br> <br> Regards,<br> <br> Mark-Willem<br> <br> <div> <hr id=3D"stopSpelling">Date: Tue, 3 Apr 2012 11:13:20 +0400<br= > From: <a class=3D"moz-txt-link-abbreviated" href=3D"mailto:asta= [email protected]">[email protected]</a><br> To: <a class=3D"moz-txt-link-abbreviated" href=3D"mailto:markwi= [email protected]">[email protected]</a><br> CC: <a class=3D"moz-txt-link-abbreviated" href=3D"mailto:atarai= [email protected]">[email protected]</a><br> Subject: Re: Howto: implement AMD SB9xx RAID5 support in dmraid<br> <br> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DUTF-8"> <meta name=3D"Generator" content=3D"Microsoft SafeHTML"> Hello,<br> <br> I do have dm-raid45 patch for 3.2. <br> I do not remember where it was taken from, but it compiles with 3.2 :-)<br> <br> <br> On 04/03/2012 11:13 AM, Mark-Willem Jansen wrote: <blockquote cite=3D"mid:[email protected]"> <style> .ExternalClass .ecxhmmessage P {padding:0px;} .ExternalClass body.ecxhmmessage {font-size:10pt;font-family:Tahoma;} </style> <div dir=3D"ltr"> Hello,<br> <br> Later this day I will apply the patch. But patching the kernel will be more cumbersome. The <br> present kernel running om my system is 3.2.0 and the patches found on the web are for <br> older kernels. But maybe the module dm-raid.ko included in the kernel can be helpful.<br> <br> Regards,<br> <br> Mark-Willem<br> <br> <div>> Date: Mon, 2 Apr 2012 17:42:12 +0400<br> > From: <a moz-do-not-send=3D"true" class=3D"ecxmoz-txt-link-abbreviated" href=3D"mailto:[email protected]">[email protected]</a><br> > To: <a moz-do-not-send=3D"true" class=3D"ecxmoz-txt-link-abbreviated" href=3D"mailto:[email protected]">markwillem@hotma= il.com</a><br> > CC: <a moz-do-not-send=3D"true" class=3D"ecxmoz-txt-link-abbreviated" href=3D"mailto:[email protected]">[email protected]</a><b= r> > Subject: Re: Howto: implement AMD SB9xx RAID5 support in dmraid<br> > <br> > hello,<br> > <br> > You may try the attached patch to support RAID5 in pdc dmraid format. It <br> > works OK for me.<br> > Be sure to patch the kernel itself to support dm-raid45 target.<br> > <br> > <br> > On 04/02/2012 02:59 AM, Phillip Susi wrote:<br> > > -----BEGIN PGP SIGNED MESSAGE-----<br> > > Hash: SHA1<br> > ><br> > > On 04/01/2012 04:21 PM, Mark-Willem Jansen wrote:<br> > >> ERROR: pdc: zero sectors on /dev/sdd<br> > >> ERROR: pdc: setting up RAID device /dev/sdd<br> > > It looks like sectors() in pdc.c is missing the case for computing the size of a RAID5. For that matter, there appears to be no #define for PDC_T_RAID5, so you will need to add one and add it to the mapping table in type() and fix sectors() to handle it and probably a few other things.<br> > ><br> > ><br> > > -----BEGIN PGP SIGNATURE-----<br> > > Version: GnuPG v1.4.11 (GNU/Linux)<br> > > Comment: Using GnuPG with Mozilla - <a moz-do-not-send=3D"true" class=3D"ecxmoz-txt-link-freetext" href=3D"http://enigmail.mozdev.org/" target=3D"_blank">= http://enigmail.mozdev.org/</a><br> > ><br> > > iQEcBAEBAgAGBQJPeN2yAAoJEJrBOlT6nu75NFQIANRt6f4STTvdEV+lY= bsT8OL3<br> > > l22ZRVt9ReIAu7CJzRjx0yfaYAUo6Zy8fwzOjt9eF4fPYVQvnn53SYQu/= qtyv2DZ<br> > > rDyv7owpxwcqQsZIYvBzQvWjEVT2s6VJrVtOVnZ2G1awa1SwIoc9LPnmo= uOeKhQG<br> > > auYL+O1UqfQEroJDsnOkZ8srrgc/m2zN3AxID4ps0FymQyNgy2s+HhBls= I4LeUNK<br> > > GimqJMwfbvaMlk0u8botcm2aMwogq+ap1GhJYddnRMluS6U4UJnS7NYrZ= Ytww/1m<br> > > 3WJWkX9hsYxo+QBA0qassg3zc/efzkC8pBBvDo7FLNGcXs2txi7dXmNXL= ferwFo=3D<br> > > =3Do0zP<br> > > -----END PGP SIGNATURE-----<br> > ><br> > > _______________________________________________<br> > > Ataraid-list mailing list<br> > > <a moz-do-not-send=3D"true" class=3D"ecxmoz-txt-link-abbreviated" href=3D"mailto:[email protected]">Ataraid-list@re= dhat.com</a><br> > > <a moz-do-not-send=3D"true" class=3D"ecxmoz-txt-link-freetext" href=3D"https://www.redhat.com/mailman/listinfo/ataraid= -list" target=3D"_blank">https://www.redhat.com/mailman/listin= fo/ataraid-list</a><br> > <br> > <br> > -- <br> > =D0=A1 =D1=83=D0=B2=D0=B0=D0=B6=D0=B5=D0=BD=D0=B8=D0= =B5=D0=BC,<br> > Astarta<br> > =D0=90=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80= =D0=B0=D1=82=D0=BE=D1=80 =D0=A4=D0=BE=D1=80=D1=83=D0=BC=D0=B0 "=D0=9A=D1=80= =D1=8B=D1=81=D0=B8=D0=BD=D1=8B=D0=B9 =D0=91=D1=83=D0=BC"<br> > <a moz-do-not-send=3D"true" class=3D"ecxmoz-txt-link-freetext" href=3D"http://rat.ru/forum/index.php" target=3D"_blank= ">http://rat.ru/forum/index.php</a><br> > <br> > =E2=80=9CThe Linux philosophy is 'Laugh in the face = of danger'.<br> > Oops. Wrong One. 'Do it yourself'. Yes, that's it.=E2= =80=9D<br> > (c) Linus Torvalds.<br> > <br> </div> </div> </blockquote> <br> <br> <pre class=3D"ecxmoz-signature">--=20 =D0=A1 =D1=83=D0=B2=D0=B0=D0=B6=D0=B5=D0=BD=D0=B8=D0=B5=D0=BC, Astarta =D0=90=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=82=D0=BE=D1= =80 =D0=A4=D0=BE=D1=80=D1=83=D0=BC=D0=B0 "=D0=9A=D1=80=D1=8B=D1=81=D0=B8=D0= =BD=D1=8B=D0=B9 =D0=91=D1=83=D0=BC" <a moz-do-not-send=3D"true" class=3D"ecxmoz-txt-link-freetext" href=3D"ht= tp://rat.ru/forum/index.php" target=3D"_blank">http://rat.ru/forum/index.= php</a> =E2=80=9CThe Linux philosophy is 'Laugh in the face of danger'. Oops. Wrong One. 'Do it yourself'. Yes, that's it.=E2=80=9D (c) Linus Torvalds. </pre> </div> </div> </blockquote> <br> </body> </html> --------------080004010307090100060803-- --===============2254410822581222496== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: 7bit _______________________________________________ Ataraid-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/ataraid-list --===============2254410822581222496==--