[Xen-devel] problem with online storage add - device stuck in state 3 until reboot

[underhill@xxxxxx]

Hi all,

I'm having trouble online adding storage to my domU's. running Debian Lenny 2.6.26-2-xen-amd64 xen-utils-3.2-1. After I xm block-attach a new LV device I go into the domU and fdisk -l doesn't show the new device until after I have rebooted the domU.

Here is what I see in the xend.log:

[2010-10-28 17:52:06 3789] DEBUG (XendDomainInfo:526) XendDomainInfo.device_create: ['vbd', ['uname', '/dev/rootvg/test-test1'], ['dev', 'sda6'], ['mode', 'w']]

[2010-10-28 17:52:06 3789] DEBUG (XendDomainInfo:530) XendDomainInfo.device_create: {'uuid': '5749a244-81bf-2735-fa6a-861869e3cf3d', 'bootable': 0, 'driver': 'paravirtualised', 'dev': 'sda6', 'uname': '/dev/rootvg/test-test1', 'mode': 'w'}

[2010-10-28 17:52:06 3789] DEBUG (DevController:118) DevController: writing {'virtual-device': '2054', 'device-type': 'disk', 'protocol': 'x86_64-abi', 'backend-id': '0', 'state': '1', 'backend': '/local/domain/0/backend/vbd/36/2054'} to /local/domain/36/device/vbd/2054.

[2010-10-28 17:52:06 3789] DEBUG (DevController:120) DevController: writing {'domain': 'test', 'frontend': '/local/domain/36/device/vbd/2054', 'uuid': '5749a244-81bf-2735-fa6a-861869e3cf3d', 'dev': 'sda6', 'state': '1', 'params': '', 'mode': 'w', 'online': '1', 'frontend-id': '36', 'type': ''} to /local/domain/0/backend/vbd/36/2054.

[2010-10-28 17:52:06 3789] DEBUG (DevController:156) Waiting for 2054.

[2010-10-28 17:52:06 3789] DEBUG (DevController:595) hotplugStatusCallback /local/domain/0/backend/vbd/36/2054/hotplug-status.

[2010-10-28 17:52:06 3789] DEBUG (DevController:595) hotplugStatusCallback /local/domain/0/backend/vbd/36/2054/hotplug-status.

[2010-10-28 17:52:06 3789] DEBUG (DevController:609) hotplugStatusCallback 1.

And when I check xm block-list for the device I see it in state 3, which is initialized according to http://wiki.xensource.com/xenwiki/XenStoreReference

Vdev  BE handle state evt-ch ring-ref BE-path

2054    0    0     3      23     11    /local/domain/0/backend/vbd/42/2054  

Can anyone help me figure out why this is and how to fix it so the device is fully connected?

Thanks in advance,

Todd

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