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[Xen-devel] [PATCH] Add a mechanism to detect block device setup failure
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx, aliguori@xxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] [PATCH] Add a mechanism to detect block device setup failure |
| From: | Murillo Fernandes Bernardes <mfb@xxxxxxxxxx> |
| Date: | Fri, 28 Oct 2005 16:42:10 -0200 |
| Delivery-date: | Sat, 29 Oct 2005 07:59:02 +0000 |
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Hi The problem is: There is no mechanism to detect block device setup failure Network devices have the same problem, and are fixed with this too. I handling this problem in the way suggested by aliguori: - hotplug scripts write a "hotplug-status" node on store - Xend DevController.createDevice() check verify this node and return success or throw an exception on failure. - If no changes in "hotplug-status" node after DEVICE_CREATE_TIMEOUT seconds Xend throw an exception showing the problem with hotplug scripts. Comments? Regards -- Murillo Fernandes Bernardes
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