Thanks for the feedback all! Sent from my iPhone
> On Aug 25, 2016, at 10:34, Grzegorz Powiedziuk <gpowiedz...@gmail.com> wrote: > > We have lvroots on all our systems, in the past we had root without lvm and > honestly in both scenarios there always was a way to get to the data in > case of problems of course if all devices were available. > > But it is always good to have unique vgnames (we do hostname_vgroot for > example). > LVM actually made some migrations between different storage systems easier > (but that was FCP). Thanks to lvm we didn't have to worry about some > aspects (mounts were always referring to /dev/mapper/vgname-lvname etc no > matter what the underlying device names were) > > boot I still usually leave outside of LVM > > Greg > > > > > > 2016-08-23 21:20 GMT+02:00 Robert J Brenneman <bren...@gmail.com>: > >> It depends on what you consider to be the bigger problem. >> >> A) having to care upfront about what needs space where is hard. Make / one >> huge logical volume and don't worry about space until you need more, then >> just grow / online. >> >> B) fixing a machine that won't boot is hard. When /'s contents are smeared >> across multiple devices it is tough to get the machine to a working state >> again, often requiring the service of a dedicated emergency rescue system. >> >> Note that this is further complicated by cloud management tools that impose >> their own restrictions on system disk layouts. It seems like no matter what >> you prefer, your cloud tools won't handle your chosen file system layout >> unless you like one big vanilla / partition with ext3 and no lvm at all. >> >>> On Tue, Aug 23, 2016, 13:26 Donald Russell <russell....@gmail.com> wrote: >>> >>> We have rhel5 with rootvg and rootlv. That caused us some grief when a >> root >>> password was lost and we "simply wanted to mount it on another system". >>> Not so fast there skippy, all the systems have rootvg/lv so we had to >> work >>> around that... (Not rocket science, but inconvenient) >>> >>> Now, (upgrading to rehl7) we put the "basic Linux system" on a >>> simple-to-use Mod-9 and use LVM for application file systems and a few >>> others. Now it's very simple to mount that / file system on another >> server >>> if necessary. >>> >>> >>> >>> >>> >>> On Tuesday, August 23, 2016, Michael Weiner <mwei...@infinite-blue.com> >>> wrote: >>> >>>> Good morning all, >>>> >>>> I was having a little debate yesterday and I want to get the experts on >>>> this list opinions. >>>> >>>> What's the best practice when it comes to the root directory? >>>> >>>> Is it acceptable and recommend to create an vgroot and lvroot so it is >>>> expandable? >>>> >>>> Or is it recommended to have the root directory as a regular directory >>> and >>>> not expandable. >>>> >>>> Thank you! >>>> >>>> >>>> Sent from my iPhone >>>> >>>> >>>> Sent from my iPhone >>>> ---------------------------------------------------------------------- >>>> For LINUX-390 subscribe / signoff / archive access instructions, >>>> send email to lists...@vm.marist.edu <javascript:;> with the message: >>>> INFO LINUX-390 or visit >>>> http://www.marist.edu/htbin/wlvindex?LINUX-390 >>>> ---------------------------------------------------------------------- >>>> For more information on Linux on System z, visit >>>> http://wiki.linuxvm.org/ >>> >>> >>> -- >>> Sent from iPhone Gmail Mobile >>> >>> ---------------------------------------------------------------------- >>> For LINUX-390 subscribe / signoff / archive access instructions, >>> send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or >>> visit >>> http://www.marist.edu/htbin/wlvindex?LINUX-390 >>> ---------------------------------------------------------------------- >>> For more information on Linux on System z, visit >>> http://wiki.linuxvm.org/ >> >> ---------------------------------------------------------------------- >> For LINUX-390 subscribe / signoff / archive access instructions, >> send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or >> visit >> http://www.marist.edu/htbin/wlvindex?LINUX-390 >> ---------------------------------------------------------------------- >> For more information on Linux on System z, visit >> http://wiki.linuxvm.org/ > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
