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Re: How to use dmsetuup?

From gene heskett <gheskett@shentel.net>
Newsgroups linux.debian.user
Subject Re: How to use dmsetuup?
Date 2023-11-04 18:30 +0100
Message-ID <HwsD8-37jE-37@gated-at.bofh.it> (permalink)
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On 11/4/23 09:45, tomas@tuxteam.de wrote:
> On Sat, Nov 04, 2023 at 07:46:09AM -0400, gene heskett wrote:
> 
> [...]
> 
>> I'v got to the above point but the first example that looked good created a
>> 100% allocated, no free space "homevol"
>> So I used gparted to delete the partitions & reformat them to ext4 again,
>> pvcreated them again an vgcreateded it again, getting:
> 
> Sorry, Gene -- I fear you have it backwards. The LVM stuff happens *below*
> the file system: you first add physical volumes (PV) to a volume group
> (think a "pool"). From that you "cut out" logical volumes (LV), which
> are just bunches of blocks which show themselves to the OS as "block
> devices" (/dev/mapper/foo, typically).
> 
> On top of that you can put a file system (as you can on any "bunch of blocks",
> i.e. a block device or file).
> 
> Perhaps having a mental model the docs make more sense.
> 
Indeed it does clarify the mechanics. thank you. Now do I have to zero 
them first before I can then create (pvcreate) them, vgcreate 
HomeVolGroup (case is important) list of /dev/ices, or can I skip the 
zeroing? I've found I could temporarily unload the 6 port on the mobo 
controller down to 1, the boot disk containing everything but home, 
which would give me enough ports to build another raid10 if I can 
conjure up enough sata power plugs, which I have some spares of molex to 
sata splitters. Or does pvcreate automatically null the formatting. I 
have enough of the 2T gigastones to do that, but will that then fix my 
lack of instant raid access? That would leave me with a blank home I 
could then copy to the new raid10 which would give me a raid10 twice as 
big as now.

To complicate that, I also have a wd 2T NVMe that has never been plugged 
in but I'm understanding that is not a mod, but a whole new install, and 
another 22 installs disaster before it works this well, unless the 
installer now has some manners or I unplug all usb stuff except the 
keyboard/mouse buttons. that possibly reduces the sata count because it 
would become the boot drive. I can do the usb cleanup long enough to do 
the install now that I know about it. Probably should download and burn 
the latest netinstall image first though.

Perhaps my constant mewling about the broken installer has done some 
good? Like asking me yes/no do I want brltty and cura or whatever the 
hell it is that yells out every keypress from any speakers it can find 
and locking up the machine for the duration of the yell just because it 
surveyed the usb stuff and found a usb-serial adapter connected to a 
cm11a X10 controller so it ASSUMES I'm blind and installs that stuff w/o 
asking me. IDK. I don't want to get into that situation ever again 
because if you nuke brltty and cura so you can work in peace, the sob 
won't reboot, grub gets stuck looking for them and won't proceed with 
the boot, forcing yet another re-install. Finally, may even have been 
you, someone told me to unplug the usb stuff FIRST, rebooting problem 
solved.  Sorry, but this gets me started on a rant about a broken installer.

I have 5 of those 2T drives. And another narrow PCIe sata card with all 
16 ports populated. That may serve as the foundation storage so I can 
restart amanda and have some backups. A 2T raid10 for /home out of 4 of 
them would satisfy the storage needs for a while, maybe even for the 
rest of my time here. And an expandable linear lvm for amanda would be a 
treat. If its dependable. A maintenance PITA if not.

WDYT?

> Cheers

Thank you Tomas, take care & stay well.

Cheers, Gene Heskett.
-- 
"There are four boxes to be used in defense of liberty:
  soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author, 1940)
If we desire respect for the law, we must first make the law respectable.
  - Louis D. Brandeis

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Thread

How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-03 17:30 +0100
  Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-03 17:50 +0100
  Re: How to use dmsetuup? Stefan Monnier <monnier@iro.umontreal.ca> - 2023-11-03 18:10 +0100
  Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-03 22:50 +0100
    Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-04 01:00 +0100
      Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-04 01:50 +0100
  Re: How to use dmsetuup? "Andrew M.A. Cater" <amacater@einval.com> - 2023-11-03 23:20 +0100
    Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-04 01:10 +0100
    Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-04 12:50 +0100
      Re: How to use dmsetuup? <tomas@tuxteam.de> - 2023-11-04 14:50 +0100
        Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-04 18:30 +0100
          Re: How to use dmsetuup? tomas@tuxteam.de - 2023-11-04 19:40 +0100
            Re: How to use dmsetuup? debian-user@howorth.org.uk - 2023-11-04 21:50 +0100
          Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-04 22:40 +0100
            Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-04 23:30 +0100
              Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-05 00:40 +0100
                Re: How to use dmsetuup? yxcv@vienna.at - 2023-11-05 01:10 +0100
                Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-05 02:00 +0100
                Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-05 04:20 +0100
                Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-05 05:10 +0100
                Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-05 07:50 +0100
                Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-05 10:50 +0100
                Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-05 11:30 +0100
                Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-05 16:30 +0100
                Re: How to use dmsetuup? "Thomas Schmitt" <scdbackup@gmx.net> - 2023-11-05 09:10 +0100
                Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-05 21:20 +0100
                Re: How to use dmsetuup? debian-user@howorth.org.uk - 2023-11-05 21:50 +0100
                Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-05 23:30 +0100
                Re: How to use dmsetuup? "Thomas Schmitt" <scdbackup@gmx.net> - 2023-11-05 23:20 +0100
                Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-05 23:50 +0100
                Re: How to use dmsetuup? "Thomas Schmitt" <scdbackup@gmx.net> - 2023-11-06 08:40 +0100
                xorriso and SIGTERM/SIGINT handler (was: Re: How to use dmsetuup?) Max Nikulin <manikulin@gmail.com> - 2023-11-06 05:30 +0100
                Re: xorriso and SIGTERM/SIGINT handler "Thomas Schmitt" <scdbackup@gmx.net> - 2023-11-06 09:00 +0100
        Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-04 23:10 +0100
  Re: How to use dmsetuup? Andy Smith <andy@strugglers.net> - 2023-11-04 10:40 +0100
    Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-04 13:30 +0100
  Re: How to use dmsetuup? Franco Martelli <martellif67@gmail.com> - 2023-11-06 16:50 +0100
    Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-06 17:30 +0100
    Re: How to use dmsetuup? Tom Dial <tddial@comcast.net> - 2023-11-08 00:50 +0100
      Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-08 01:30 +0100
        Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-08 06:10 +0100
        Re: How to use dmsetuup? <tomas@tuxteam.de> - 2023-11-08 06:40 +0100
          Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-08 11:30 +0100
            Re: How to use dmsetuup? "Andrew M.A. Cater" <amacater@einval.com> - 2023-11-08 19:10 +0100
              Re: How to use dmsetuup? jeremy ardley <jeremy.ardley@gmail.com> - 2023-11-08 23:00 +0100
            Re: How to use dmsetuup? Tom Dial <tddial@comcast.net> - 2023-11-09 02:10 +0100
            Re: How to use dmsetuup? David Christensen <dpchrist@holgerdanske.com> - 2023-11-11 01:50 +0100
              Re: How to use dmsetuup? gene heskett <gheskett@shentel.net> - 2023-11-11 04:30 +0100
                Hardware for a back up server? [WAS Re: How to use dmsetuup?] "Andrew M.A. Cater" <amacater@einval.com> - 2023-11-11 18:00 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Stefan Monnier <monnier@iro.umontreal.ca> - 2023-11-11 18:10 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Pocket <pocket@columbus.rr.com> - 2023-11-11 18:40 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Stefan Monnier <monnier@iro.umontreal.ca> - 2023-11-11 19:50 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Pocket <pocket@columbus.rr.com> - 2023-11-11 21:50 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] gene heskett <gheskett@shentel.net> - 2023-11-11 22:40 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Jeffrey Walton <noloader@gmail.com> - 2023-11-11 22:10 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Jeffrey Walton <noloader@gmail.com> - 2023-11-12 00:30 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Dan Ritter <dsr@randomstring.org> - 2023-11-12 00:40 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] fxkl47BF@protonmail.com - 2023-11-11 18:30 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] David Christensen <dpchrist@holgerdanske.com> - 2023-11-12 01:10 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Stefan Monnier <monnier@iro.umontreal.ca> - 2023-11-12 05:40 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Anssi Saari <anssi.saari@debian-user.mail.kapsi.fi> - 2023-11-13 11:40 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Stefan Monnier <monnier@iro.umontreal.ca> - 2023-11-13 14:00 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Andy Smith <andy@strugglers.net> - 2023-11-12 14:20 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] David Christensen <dpchrist@holgerdanske.com> - 2023-11-12 19:40 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] "Andrew M.A. Cater" <amacater@einval.com> - 2023-11-12 18:20 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] David Christensen <dpchrist@holgerdanske.com> - 2023-11-12 20:30 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Stefan Monnier <monnier@iro.umontreal.ca> - 2023-11-12 21:20 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] <tomas@tuxteam.de> - 2023-11-13 06:40 +0100
                Linux supprt (was: Hardware for a back up server? [WAS Re: How to use dmsetuup?]) Stefan Monnier <monnier@iro.umontreal.ca> - 2023-11-13 13:50 +0100
                Re: Linux supprt (was: Hardware for a back up server? [WAS Re: How to  use dmsetuup?]) Larry Martell <larry.martell@gmail.com> - 2023-11-13 16:00 +0100
                Re: Linux supprt Stefan Monnier <monnier@iro.umontreal.ca> - 2023-11-13 16:40 +0100
                Re: Linux supprt Nicholas Geovanis <nickgeovanis@gmail.com> - 2023-11-13 22:50 +0100
                Re: Linux supprt John Hasler <john@sugarbit.com> - 2023-11-13 19:00 +0100
                Re: Linux supprt <tomas@tuxteam.de> - 2023-11-13 19:40 +0100
                Re: Linux supprt Nicholas Geovanis <nickgeovanis@gmail.com> - 2023-11-14 18:40 +0100
                Re: Linux supprt <tomas@tuxteam.de> - 2023-11-14 18:50 +0100
                Re: Hardware for a back up server? [WAS Re: How to use dmsetuup?] Joe <joe@jretrading.com> - 2023-11-13 15:10 +0100
        Re: How to use dmsetuup? Tom Dial <tddial@comcast.net> - 2023-11-09 01:50 +0100
          Re: How to use dmsetuup? Andy Smith <andy@strugglers.net> - 2023-11-09 16:20 +0100
            Re: How to use dmsetuup? debian-user@howorth.org.uk - 2023-11-09 17:50 +0100

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