Re: [Xen-devel] XCP 64 bits ?

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Mar 04, 2010 at 02:05:24PM +0100, medhioub wrote:
>    Hello,
> 
>    I am just installing XCP 0.1.1 on a server with 24GB RAM
> 
>    Normally XCP is a 64 bits version but
> 
>      * uname -a
>            Linux node012 2.6.27.42-0.1.1.xs0.1.1.737.1065xen #1 SMP Fri Jan
>        15 16:20:16 EST 2010 i686 i686 i386 GNU/Linux
>        (not a x86_64 version !!!!)

You're looking at Xen dom0 kernel version. 
XCP uses 32bit dom0 kernel on 64bit Xen hypervisor.

>      *  cat /proc/meminfo
>        MemTotal:         746496 kB
>        MemFree:          384332 kB
>        Buffers:             43640 kB
>        Cached:            99540 kB
>        SwapCached:          0 kB
>        Active:              93160 kB
>        Inactive:           85528 kB
>        HighTotal:        0 kB
>        HighFree:         0 kB
>        LowTotal:         746496 kB
>        LowFree:          384332 kB
>        SwapTotal:       524280 kB
>        SwapFree:        524280 kB
>        Dirty:                40 kB
>        Writeback:        0 kB
>        AnonPages:       35536 kB
>        Mapped:           14780 kB
>        Slab:                 20836 kB
>        SReclaimable:   9308 kB
>        SUnreclaim:      11528 kB
>        PageTables:       0 kB
>        NFS_Unstable:   0 kB
>        Bounce:              0 kB
>        WritebackTmp:   0 kB
>        CommitLimit:     897528 kB
>        Committed_AS:  263952 kB
>        VmallocTotal:     225272 kB
>        VmallocUsed:     6564 kB
>        VmallocChunk:   218448 kB
>        DirectMap4k:     755432 kB
>        DirectMap2M:    0 kB
> 
>            (where is the 24 GB!!!!!)
> 

This is the memory your dom0 _guest_ has allocated to it.
The rest of the memory is available (free) in the Xen hypervisor.

-- Pasi

>    Thanks in advance.
> 
>    Best Regards,
>    Houssem Medhioub
> 
>  --
>  Houssem MEDHIOUB
>  Research Engineer
>  Wireless Networks and Multimedia Services Department(RS2M)
>  TELECOM & Management SudParis
>  9 rue Charles Fourier
>  91011 EVRY Cedex, France
>  Phone : +33(0)6 61 24 68 06
>  Fax   : +33(0)1 60 76 45 78
>  E-mail: [1]houssem.medhioub@xxxxxxxxxxxxxx
> 
> References
> 
>    Visible links
>    1. mailto:houssem.medhioub@xxxxxxxxxxxxxx

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