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Home -> Community -> Mailing Lists -> Oracle-L -> RE: RAC - Configuring Disk Coordinator
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To answer your questions.....
Feel free to email me off-list if you have any other questions.
Thanks,
Matt
-- Matthew Zito GridApp Systems Email: mzito_at_gridapp.com Cell: 646-220-3551 Phone: 212-358-8211 x 359 http://www.gridapp.com <http://www.gridapp.com/> -----Original Message----- From: ml-errors_at_fatcity.com [mailto:ml-errors_at_fatcity.com] On Behalf Of laura pena Sent: Friday, July 25, 2003 1:04 PM To: Multiple recipients of list ORACLE-L Subject: Re: RAC - Configuring Disk Coordinator Sorry all my message got hacked here is the first paragraph Going through the Veritas installation guide (pg 47) and I have a question on the required 3 LUN creation needed to support RAC for Veritas DBE/AC, when setting up Disk Coordinator: laura pena <lizzpenaorclgrp_at_yahoo.com> wrote: - Configuration - Should each of these 3 LUN be on seperate disks? - What is the smallest LUN that Hitachi 9570V can be? I guess I can ask our rep if no ones knows. -Should these LUNs be mirrored? - Coordinator disks are used to support IO fencing can anyone elborate how this happens? Thanks in advance, Lizz _____ Do you Yahoo!? Yahoo! <http://us.rd.yahoo.com/evt=10469/*http://sitebuilder.yahoo.com> SiteBuilder - Free, easy-to-use web site design software _____ Do you Yahoo!? Yahoo! <http://us.rd.yahoo.com/evt=10469/*http://sitebuilder.yahoo.com> SiteBuilder - Free, easy-to-use web site design software ------=_NextPart_000_004E_01C352B4.771917F0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printableReceived on Fri Jul 25 2003 - 12:55:52 CDT
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<DIV><SPAN class=3D395505217-25072003><FONT face=3DArial color=3D#0000ff =
size=3D2>To=20 answer your questions.....</FONT></SPAN></DIV>
<DIV><SPAN class=3D395505217-25072003><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D395505217-25072003><FONT face=3DArial color=3D#0000ff =
size=3D2>1)=20 Ideally, yes, though they don't need to be.</FONT></SPAN></DIV>
<DIV><SPAN class=3D395505217-25072003><FONT face=3DArial color=3D#0000ff =
size=3D2>2)=20 Absolutely. Veritas will get very unhappy if it loses access to = those=20 disks</FONT></SPAN></DIV>
<DIV><SPAN class=3D395505217-25072003><FONT face=3DArial color=3D#0000ff =
size=3D2>3)=20 SCSI-3 Persistent Reservation. When a node "malfunctions", another = node=20 will issue a SCSI-3 reservation against the 3 coordinator disks. = When the=20 broken node tries to access those disks (as it does every few seconds = normally)=20 it will be rejected and the box will panic (I'm pretty sure it panics - = test=20 it)</FONT></SPAN></DIV>
<DIV><SPAN class=3D395505217-25072003><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D395505217-25072003><FONT face=3DArial color=3D#0000ff =
size=3D2>Feel=20 free to email me off-list if you have any other = questions.</FONT></SPAN></DIV>
<DIV><SPAN class=3D395505217-25072003><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D395505217-25072003><FONT face=3DArial color=3D#0000ff =
size=3D2>Thanks,</FONT></SPAN></DIV>
<DIV><SPAN class=3D395505217-25072003><FONT face=3DArial color=3D#0000ff =
size=3D2>Matt</FONT></SPAN></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT> </DIV><!-- =
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<P><FONT size=3D2>--<BR>Matthew Zito<BR>GridApp Systems<BR>Email:=20
mzito_at_gridapp.com<BR>Cell: 646-220-3551<BR>Phone: 212-358-8211 x = 359<BR><A=20 href=3D"http://www.gridapp.com/">http://www.gridapp.com</A></FONT> </P>
<BLOCKQUOTE=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px = solid; MARGIN-RIGHT: 0px"> <DIV></DIV> <DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr = align=3Dleft><FONT=20 face=3DTahoma size=3D2>-----Original Message-----<BR><B>From:</B>=20 ml-errors_at_fatcity.com [mailto:ml-errors_at_fatcity.com] <B>On Behalf Of =
</B>laura=20
pena<BR><B>Sent:</B> Friday, July 25, 2003 1:04 PM<BR><B>To:</B> = Multiple=20 recipients of list ORACLE-L<BR><B>Subject:</B> Re: RAC - Configuring = Disk=20 Coordinator<BR><BR></FONT></DIV> <DIV> <DIV>Sorry all my message got hacked here is the first paragraph</DIV> <DIV> </DIV> <DIV>Going through the Veritas installation guide (pg 47) and I = have a=20 question on the required 3 LUN creation needed to support RAC for = Veritas=20 DBE/AC, when setting up Disk Coordinator:</DIV><BR><BR><B><I>laura = pena=20 <lizzpenaorclgrp_at_yahoo.com></I></B> wrote:=20 <BLOCKQUOTE=20 style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px = solid; WIDTH: 100%"> <DIV> <DIV>- Configuration - Should each of these 3 LUN be on seperate = disks?<BR>-=20 What is the smallest LUN that Hitachi 9570V can be? I guess I can = ask our=20 rep if no ones knows.<BR>-Should these LUNs be mirrored? <BR>- = Coordinator=20 disks are used to support IO fencing can anyone elborate how this=20 happens?</DIV> <DIV> </DIV> <DIV>Thanks in advance,</DIV> <DIV> </DIV> <DIV>Lizz</DIV></DIV> <P> <HR SIZE=3D1> Do you Yahoo!?<BR><A=20 = href=3D"http://us.rd.yahoo.com/evt=3D10469/*http://sitebuilder.yahoo.com"= >Yahoo!=20 SiteBuilder</A> - Free, easy-to-use web site design=20 software</BLOCKQUOTE></DIV> <P> <HR SIZE=3D1> Do you Yahoo!?<BR><A=20 = href=3D"http://us.rd.yahoo.com/evt=3D10469/*http://sitebuilder.yahoo.com"=
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