AW: petitboot ppc64le woes

[Samuel Mendoza-Jonas]

On Mon, 2020-03-02 at 19:26 +0000, Wuestefeld, Peter wrote:
> Hi Sam,
> 
> As the listbot doesn't like me her is an excerpt from /diag/messages:
> 
> Mar2 17:42:48 skiroot user.info kernel: [   13.159101] udevd[2766]:
> failed to execute '/usr/sbin/mdadm' '/usr/sbin/mdadm -I -export
> /dev/sdo3': No such file or directory 
> Mar2 17:42:48 skiroot user.info kernel: [   13.159101] udevd[2766]:
> failed to execute '/usr/sbin/mdadm' '/usr/sbin/mdadm -I -export
> /dev/sdo2': No such file or directory
> Mar2 17:42:48 skiroot user.info kernel: [   13.159101] udevd[2766]:
> failed to execute '/usr/sbin/mdadm' '/usr/sbin/mdadm -I -export
> /dev/sdn3': No such file or directory
> Mar2 17:42:48 skiroot user.info kernel: [   13.159101] udevd[2766]:
> failed to execute '/usr/sbin/mdadm' '/usr/sbin/mdadm -I -export
> /dev/sdn2': No such file or directory
> 
> And an ls of /usr/sbin shows
> ls /usr/sbin/m*
> ls: /usr/sbin/m*: no such file or directory
> 
> while 
> ls /sbin/m* shows:
> /sbin/mdadm	# together with others
> 
> Seems to be a known bug, sigh ... updating to new version: 
> ./pupdate_ppc P9DSU20190807_IBM_prod_sign.pnor -pnor
> P9DSU20190807_IBM_prod_sign.pnor -i usb

Aha, that does ring a bell! Glad you got it sorted.

> 
> Done and it works after two (?!) reboots ....

Weird, but sometimes BMCs take a little to catch up :)

> 
> Mit freundlichen Gruessen, 
> best regards
> 
> Peter Wuestefeld M.A.
> Competence Center Power Systems
> Technical Leader Linux on Power
> 
> SVA GmbH
> Lokation Stuttgart
> Bolzstrasse 7 (Koenigsbau Passagen)
> D - 70173 Stuttgart
> 
> Phone:  ++49-(0)711-93312-205  
> Fax:    ++49-(0)711-93312-299 
> Mobile: ++49-(0)151-1252-4406
> mailto:  Peter.Wuestefeld at sva.de
> 
> "Gute Führung zeichnet sich durch zwei Dinge aus: 
> Ehrlichkeit und Bescheidenheit. Beides fällt schwer, deshalb gibt es
> so wenige gute Anführer." 
> Warren Buffett
> 
> =============================================
> 
> Geschaeftsfuehrung: Philipp Alexander, Sven Eichelbaum
> Sitz der Gesellschaft: Wiesbaden
> Registergericht: Amtsgericht Wiesbaden, HRB 10315
> 
> 
> -----Ursprüngliche Nachricht-----
> Von: Sam Mendoza-Jonas <sam at mendozajonas.com> 
> Gesendet: Monday, March 2, 2020 18:24
> An: Wuestefeld, Peter <Peter.Wuestefeld at sva.de>
> Cc: Barth, Thomas <Thomas.Barth at sva.de>; petitboot at lists.ozlabs.org
> Betreff: Re: petitboot ppc64le woes
> 
> On Mon, 2020-03-02 at 17:13 +0000, Wuestefeld, Peter wrote:
> > Hi Sam,
> >  
> > Found your presentation about petitboot and thought you might be
> > the 
> > one who can help me …
> >  
> > As I’m tearing out all my hair right now – would it be possible
> > that 
> > yo
> 
> Hi Peter, no worries! I've CC'd in the Petitboot mailing list too to
> add some extra eyes.
> 
> > u have a look at that situation and can give me a hint?
> >  
> > -          Two IBM LC922 servers
> > -          RHEL 7.6 installed
> > -          Basic installation was bare disk + LVM
> > -          Tried to move that installation to a mirrored one
> > (create mdX’ with “missing” , move over the contents of the 
> > installation via copy resp. pvmove
> > -          Rebuild initramfs wikt md drivers, md uuids
> > -          grub2-install, grub2-mkconfig ran without any errors
> >  
> > … tried to boot. 
> > 
> > And petitboot does not offer me the option to boot from md devices.
> > If I “Exit to shell” and issue
> > 
> > # mdadm –assemble –scan
> >  
> > Petitboot finds two arrays. Exiting from the shell I see the md
> > device 
> > offered to boot and I can boot the installation successfully.
> > 
> > What did I miss with configuring? How do I tell petitboot to 
> > automatically activate the bootable arrays by issuing sth with the 
> > same effects as the mdadm cmd line above?
> 
> What Petitboot version are your servers running? (Usually located at
> the top of the screen). It's possible Petitboot is being a bit
> simplistic in its RAID detection and you're helping it along with the
> extra mdadm call.
> Also if you run the pb-sos tool from the command line it will collect
> up a bunch of relevant logs which we can have a look at.
> 
> Cheers,
> Sam
> 
> >  
> > Thanks for any hints and infos that could potentially help me …
> >  
> > Mit freundlichen Gruessen,
> > best regards
> > 
> > Peter Wuestefeld M.A.
> > Competence Center Power Systems
> > Technical Leader Linux on Power
> > 
> > SVA GmbH
> > Lokation Stuttgart
> > Bolzstrasse 7 (Koenigsbau Passagen)
> > D - 70173 Stuttgart
> > 
> > Phone:  ++49-(0)711-93312-205  
> > Fax:    ++49-(0)711-93312-299 
> > Mobile: ++49-(0)151-1252-4406
> > mailto:  Peter.Wuestefeld at sva.de
> > 
> > "Gute Führung zeichnet sich durch zwei Dinge aus:
> > Ehrlichkeit und Bescheidenheit. Beides fällt schwer, deshalb gibt
> > es 
> > so wenige gute Anführer."
> > Warren Buffett
> > 
> > =============================================
> > 
> > Geschaeftsfuehrung: Philipp Alexander, Sven Eichelbaum Sitz der 
> > Gesellschaft: Wiesbaden
> > Registergericht: Amtsgericht Wiesbaden, HRB 10315
> >