System with 12 CPUs will not boot
in [General Linux]
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From: JEDIDIAH on 9 Jul 2010 18:13 On 2010-07-09, Huge <Huge(a)nowhere.much.invalid> wrote: > > > On 2010-07-09, mjt <myswtestYOURSHOES(a)gmail.com> wrote: >> On Fri, 09 Jul 2010 13:27:35 -0500 >> Ignoramus30064 <ignoramus30064(a)NOSPAM.30064.invalid> wrote: >> >>> We have a server with 12 processors (one of those things with two >>> physical processors with 6 cores each). >>> >>> Ubuntu, by default, sees only 8 CPUs. (this applies to any version, >>> but this is specifically 8.04). >> >> Honestly, if this is a work server, I'd be running >> something like ... > > ... Solaris. That boat sank a long time ago. Linux currently holds the current record for "largest server". -- ....as if the ability to run Cubase ever made or broke a platform. ||| / | \
From: mjt on 9 Jul 2010 19:16 On 9 Jul 2010 21:28:34 GMT Huge <Huge(a)nowhere.much.invalid> wrote: > On 2010-07-09, mjt <myswtestYOURSHOES(a)gmail.com> wrote: > > Honestly, if this is a work server, I'd be running > > something like ... > > ... Solaris. Yea, well, I'll stick with a Linux family of OS ... Operating system Family share for 06/2010 Top500 Supercomputers OS Family Count Share% ========================= Linux 455 91.00 Windows 5 1.00 Unix 22 4.40 BSD Based 1 0.20 Mixed 17 3.40 ========================= Totals 500 100 Operating System share for 06/2010 Top500 Supercomputers OS Count Share% ========================= Linux 405 81.00 Super-UX 1 0.20 AIX 19 3.80 Cell OS 1 0.20 SLES9 4 0.80 CNK/SLES9 15 3.00 SUSE Linux 1 0.20 Redhat 4 0.80 RHEL4 3 0.60 UNICOS/SUSE Linux 1 0.20 SLES10 4 0.80 SLES10 + SGI ProPack 14 2.80 UNICOS/lc 1 0.20 CNL 11 2.20 Windows HPC 2008 5 1.00 RHEL5 2 0.40 CentOS 7 1.40 OpenSolaris 2 0.40 ======================== Totals 500 100% -- "Nondeterminism means never having to say you are wrong." <<< Remove YOURSHOES to email me >>>
From: Ignoramus30064 on 9 Jul 2010 20:32 On 2010-07-09, JEDIDIAH <jedi(a)nomad.mishnet> wrote: > On 2010-07-09, Huge <Huge(a)nowhere.much.invalid> wrote: >> >> >> On 2010-07-09, mjt <myswtestYOURSHOES(a)gmail.com> wrote: >>> On Fri, 09 Jul 2010 13:27:35 -0500 >>> Ignoramus30064 <ignoramus30064(a)NOSPAM.30064.invalid> wrote: >>> >>>> We have a server with 12 processors (one of those things with two >>>> physical processors with 6 cores each). >>>> >>>> Ubuntu, by default, sees only 8 CPUs. (this applies to any version, >>>> but this is specifically 8.04). >>> >>> Honestly, if this is a work server, I'd be running >>> something like ... >> >> ... Solaris. > > That boat sank a long time ago. > > Linux currently holds the current record for "largest server". > Just wondering how much a comparable Solaris system costs. I have been generally very satisfied with Ubuntu for servers. i
From: John Hasler on 9 Jul 2010 21:03 Ignoramus30064 wrote: > We have a server with 12 processors (one of those things with two > physical processors with 6 cores each). Ubuntu, by default, sees only > 8 CPUs. (this applies to any version, but this is specifically 8.04). If you don't know how to compile a custom kernel you should not be administering such a machine. However, passing the kernel "maxcpus=12" on the command line should suffice. -- John Hasler jhasler(a)newsguy.com Dancing Horse Hill Elmwood, WI USA
From: mjt on 9 Jul 2010 21:54
On Fri, 09 Jul 2010 20:03:32 -0500 John Hasler <jhasler(a)newsguy.com> wrote: > Ignoramus30064 wrote: > > We have a server with 12 processors (one of those things with two > > physical processors with 6 cores each). Ubuntu, by default, sees > > only 8 CPUs. (this applies to any version, but this is specifically > > 8.04). > > If you don't know how to compile a custom kernel you should not be > administering such a machine. However, passing the kernel > "maxcpus=12" on the command line should suffice. Bingo. Relates back to my opinion about using a serious, corporate level server distro. -- Grandpa Charnock's Law: You never really learn to swear until you learn to drive. <<< Remove YOURSHOES to email me >>> |