<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style></style></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>That is precisely my rationale. We’re using ESXi; resizing a disk is a trivial event that makes more sense for our environment. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I also agree with Tom on the training piece. Woe be unto the admin who blindly uses a disk without any investigation and/or verification. Training junior admins to understand all of the possible configurations and to look before they leap are key parts of said training…<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>-Andy<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> kickstart-list-bounces@redhat.com [mailto:kickstart-list-bounces@redhat.com] <b>On Behalf Of </b>Callahan, Tom<br><b>Sent:</b> Tuesday, May 03, 2011 5:45 AM<br><b>To:</b> Discussion list about Kickstart<br><b>Cc:</b> Discussion list about Kickstart<br><b>Subject:</b> Re: Use entire disk as PV.<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Most storage arrays can grow existing disks, which doesn't work as nicely if the disk has a partition. Making a PV out of the entire disk allows much easier PV/VG/LV expansion, without mucking with a partition table.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'>As for the training piece, I'd expect an admin would do some verification a disk is not in use before blindly assuming it's not in use, and overwriting data. There is no standard practice with how to create a PV, it depends on the site.<br><br><o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>On May 3, 2011, at 5:30 AM, "Moray Henderson" <<a href="mailto:Moray.Henderson@ict-software.org">Moray.Henderson@ict-software.org</a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Speagle, Andy [mailto:andy.speagle@wichita.edu] <br><br><br></span><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I’m trying to setup the partitioning section of my kickstarts in such a way that rather than partitioning a disk and using /dev/sdX1 as the PV for my root VG, that I can instead use the entire disk. <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The reason for doing this would be to make PV resizing a bit easier for virtual machines. Otherwise, I must muck around with the partition table and blah blah … not a show-stopper, but potentially dangerous for junior admins.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I suspect that the functionality just isn’t there… but does anyone know the magic syntax to get it to use the entire drive (aka. /dev/sdb) as a PV during kickstart?<o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Why do you need to resize PVs for virtual machines? You allocate the extra space to your VM as another virtual drive or partition, then using LVM create another Physical Volume for that drive, add that Physical Volume to your Volume Group and Logical Volume, and extend the filesystem. No mucking around with an existing partition table.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>I would be confused if I encountered a disk without a partition table – I’d probably assume it wasn’t formatted at all. Better to train your junior admins in standard practice?</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Moray.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>“To err is human; to purr, feline.”</span><o:p></o:p></p></div></div></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>_______________________________________________<br>Kickstart-list mailing list<br><a href="mailto:Kickstart-list@redhat.com">Kickstart-list@redhat.com</a><br><a href="https://www.redhat.com/mailman/listinfo/kickstart-list">https://www.redhat.com/mailman/listinfo/kickstart-list</a><o:p></o:p></p></div></blockquote></div></div></body></html>