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Diffstat (limited to 'docs/misc/vbd-interface.txt')
| -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, |