[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-users] How can you boot dom0 with a rootfilesystem that lives in memory?


  • To: <xen-users@xxxxxxxxxxxxxxxxxxxx>
  • From: Matthieu Cerda <matthieu.cerda@xxxxxxxxxxxxxx>
  • Date: Wed, 24 Oct 2018 16:53:20 +0200
  • Autocrypt: addr=matthieu.cerda@xxxxxxxxxxxxxx; prefer-encrypt=mutual; keydata= xsBNBFg0LZsBCAC/E/beVpuf6C/GSBNkd4Pt2esjvbcwTcIy0JpLDl+4M85o/qhTa4tB/GEP vHoWmlrSSaL9d0GHgOM5ewPzuRRPaffRjGCrY8iSuxlMjNfRNSNGIZ5EOU9piWsyJflYhSuK Bp1N4T2BtyY9eK4l3Iy3rNfv7RIv26f3XV8q6Lc6JZZS1+6Wjjn/LQqY2G39mBLYyb0xsv3y ECI8IuWTrDrKbqLp47HGn9bu+juy92z4VjApLxckWmLjDsGB4hGO0jE3FIPHSG3lR1RHIjWu bczcQ1hI3c6Bvk/1IXcd2pcYK2U/aB8hM/KffVbEt9KfZR3s65/krcegeL34VYNS1PCBABEB AAHNME1hdHRoaWV1IENlcmRhIChLZWdlcnVuZWt1KSA8bWNlQG5icy1zeXN0ZW0uY29tPsLA jQQTAQgANxYhBCgsh8I+Y76iVZCu6LWQcCsxps97BQJYNDJjAhsDBAsJCAcFFQoJCAsFFgID AQACHgECF4AACgkQtZBwKzGmz3uIKgf9HQqd1XGh+oNTwgNIzocxQeolL3uoGfem+lRk31IT bAY+VIAya8rOoCvQRePmFuByJvgJ19K9n9qcvz8OEpx9bEadjBkM3ZjCQrlEM18f/K56nHU1 pPq02HkmCKm2xJcz/dNvReqgA6mKaf+c2GrTaPr2GQaNoKCXKqB6YKxh6cB6nOaMRrrQUhKq bDtIAOLkjqvJzXYwWsGwKr3rrcDOIPEP4AbpVAZ+6YdSK/TKVoo4gB2hauO3yWGhJ6X+5vQu LVbUV/2FUQRsFFJb10edziljiwWCK6W48fSNFFWUSYKEwAx4Oy0LyizaCX0GCdgRLemW3lNA n/Bl2R9JlxHx0s7ATQRYNC2bAQgAs0M+tcSm1UP0lDjeYHV18Oobf5FrHwJ8iyss1e4HMV9M sG90RUky7PgvKPARyOdWhwy2yFWsjj1O2Y5ve/M7Xh1HTWchcu5Lw8CS+WTLFbabja6PNPiq yTBB/OT4AAHQ7m1vc0UkHTIKJaT0HIeb6LwCWKIAK28lXIGtp/VlmJ4isy5V9JhKJp5e8kNc 1hCy8iVxO8vF8aP4L9MwnxTfmivKFIE6lpLWyy7ON7rNbrkKY8hTgjXIHem7MrGssGLAj+if P57PHTDS7vA3fS6vtgcY2pCF8dA9+8NtxweDz45aUJxjxLwmd36x7VUyxL9Xlxuqgd3khT9M POjfOGe57wARAQABwsB2BBgBCAAgFiEEKCyHwj5jvqJVkK7otZBwKzGmz3sFAlg0LZsCGwwA CgkQtZBwKzGmz3sCvgf+OvuXYDpYAUTUUwd1GFWySj7Cg8DCx57pNGoTa2so6elXWuOCH4lZ xIBLCeEKCV9bYwJjhmcIh/7LnG4FJvmrFO9FrXKNNtgyD3yBE3aftbA6nhVhFbHyCD7elDxo JxFsBOI+m/qGG/FZNkjv8SLqbFfNaiORDZuu9a/NlhNnh9QcOItrp3imgmmGELSqdt6f7PaZ m1Ts4hOPC2JazBYrvmDOrbSyAP0rHBoOTOU1BpoqLXGpv8DHOF3WTLgz4gfA1ZJVLgk/+7yX kqsP4S8Dj4Gon74hy24oJ2OTjDD7Zzxifn3RvfRiRtFosWQMFjxXDdKEa4TKZLHD6u1VWPQx Qg==
  • Delivery-date: Wed, 24 Oct 2018 14:54:23 +0000
  • List-id: Xen user discussion <xen-users.lists.xenproject.org>
  • Openpgp: preference=signencrypt

Le 24/10/2018 à 05:09, Kleve, Jesse R a écrit :
> I’m trying to find a way to load a rootfs into memory and have dom0 use this 
> as the root filesystem instead of extracting the rootfs on to an SD card 
> partition and mounting that. Is this possible? I have been unable to find any 
> documentation on this. Is there a property in the dom0 chosen section of the 
> device tree to specify the location of the rootfs?
>
> Thanks,
> Jesse

Hi Jesse,

It is possible, we do it actually here.

What is your target dom0 OS ? ( On Debian / Ubuntu, you might either use
homemade solutions, or to make things easier,
http://cmrg.fifthhorseman.net/wiki/debirf )

-- 
Matthieu Cerda
Infrastructure, BU Means @ NBS System


Attachment: signature.asc
Description: OpenPGP digital signature

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-users

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.