371f556463
Closes-Bug: #1250515 author: diane fleming Change-Id: Ib1755a3e10ddd348d0575b3c5e6aa1660d5f612e backport: none
40 lines
2.2 KiB
XML
40 lines
2.2 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
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xml:id="section_ts_failed_attach_vol_after_detach">
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<title>Failed to attach volume after detaching</title>
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<section
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xml:id="section_ts_failed_attach_vol_after_detach_problem">
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<title>Problem</title>
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<para>Failed to attach a volume after detaching the same
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volume.</para>
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</section>
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<section
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xml:id="section_ts_failed_attach_vol_after_detach_solution">
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<title>Solution</title>
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<para>You must change the device name on the
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<command>nova-attach</command> command. The VM might
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not clean up after a <command>nova-detach</command>
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command runs. This example shows how the
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<command>nova-attach</command> command fails when you
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use the <code>vdb</code>, <code>vdc</code>, or
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<code>vdd</code> device names:</para>
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<screen><prompt>#</prompt> <userinput>ls -al /dev/disk/by-path/
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total 0
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drwxr-xr-x 2 root root 200 2012-08-29 17:33 .
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drwxr-xr-x 5 root root 100 2012-08-29 17:33 ..
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lrwxrwxrwx 1 root root 9 2012-08-29 17:33 pci-0000:00:04.0-virtio-pci-virtio0 -> ../../vda
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lrwxrwxrwx 1 root root 10 2012-08-29 17:33 pci-0000:00:04.0-virtio-pci-virtio0-part1 -> ../../vda1
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lrwxrwxrwx 1 root root 10 2012-08-29 17:33 pci-0000:00:04.0-virtio-pci-virtio0-part2 -> ../../vda2
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lrwxrwxrwx 1 root root 10 2012-08-29 17:33 pci-0000:00:04.0-virtio-pci-virtio0-part5 -> ../../vda5
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lrwxrwxrwx 1 root root 9 2012-08-29 17:33 pci-0000:00:06.0-virtio-pci-virtio2 -> ../../vdb
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lrwxrwxrwx 1 root root 9 2012-08-29 17:33 pci-0000:00:08.0-virtio-pci-virtio3 -> ../../vdc
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lrwxrwxrwx 1 root root 9 2012-08-29 17:33 pci-0000:00:09.0-virtio-pci-virtio4 -> ../../vdd
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lrwxrwxrwx 1 root root 10 2012-08-29 17:33 pci-0000:00:09.0-virtio-pci-virtio4-part1 -> ../../vdd1</userinput></screen>
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<para>You might also have this problem after attaching and
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detaching the same volume from the same VM with the same
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mount point multiple times. In this case, restart the KVM
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host.</para>
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</section>
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</section>
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