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| author | Ian Jackson <ian.jackson@eu.citrix.com> | 2011-02-17 19:48:05 +0000 |
|---|---|---|
| committer | Ian Jackson <ian.jackson@eu.citrix.com> | 2011-02-17 19:48:05 +0000 |
| commit | 72d528b0571855f47d0c93fae2b55cd2b8967659 (patch) | |
| tree | bf190fc56ebdeaa468c04091db819da7e65510f2 /docs/misc | |
| parent | 51b85cf4a65e6022b2ee9bf6d5a16a0808abad80 (diff) | |
| download | xen-72d528b0571855f47d0c93fae2b55cd2b8967659.tar.gz xen-72d528b0571855f47d0c93fae2b55cd2b8967659.tar.bz2 xen-72d528b0571855f47d0c93fae2b55cd2b8967659.zip | |
docs: vbd-interface.txt: correct behaviour for modern Linux pv-on-hvm
Modern PV on HVM kernels map hd* devices to corresponding xvd*.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
Diffstat (limited to 'docs/misc')
| -rw-r--r-- | docs/misc/vbd-interface.txt | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/docs/misc/vbd-interface.txt b/docs/misc/vbd-interface.txt index ce5ce4f0ea..d97c458f14 100644 --- a/docs/misc/vbd-interface.txt +++ b/docs/misc/vbd-interface.txt @@ -114,9 +114,10 @@ only. Modern PV drivers will map these to identically-named devices in the guest. For Linux HVM guests using PV-on-HVM drivers, users are recommended to -supply as few hd* devices as possible and use pure xvd* devices for -the rest. Modern PV-on-HVM drivers will map the hd* devices to -/dev/xvdHDa etc. +supply as few hd* devices as possible, and for the rest of the disks, +to use pure xvd* devices starting at xvde. Modern PV-on-HVM drivers +will map provided hd* devices to the corresponding /dev/xvd* (for +example, hda is presented also as /dev/xvda). Some Linux HVM guests with broken PV-on-HVM drivers do not cope properly if both hda and hdc are supplied, nor with both hda and xvda, |