f125a8b892
This change addresses a long-standing issue in rST documentation imported from XML.
That import process added backslash escapes in front of various characters. The three
most common being '(', ')', and '_'.
These instances are removed.
Signed-off-by: Ron Stone <ronald.stone@windriver.com>
Change-Id: Id43a9337ffcd505ccbdf072d7b29afdb5d2c997e
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127 lines
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.. phg1552920664442
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.. _installing-reboot-required-software-updates-using-horizon:
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======================================================
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Install Reboot-Required Software Updates Using Horizon
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======================================================
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You can use the Horizon Web interface to upload, delete, apply, and remove
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software updates.
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.. rubric:: |context|
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This section presents an example of a software update workflow using a single
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update. The main steps of the procedure are:
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.. _installing-reboot-required-software-updates-using-horizon-ul-mbr-wsr-s5:
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- Upload the updates.
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- Lock the host\(s).
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- Install updates; any unlocked nodes will reject the request.
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- Unlock the host\(s). Unlocking the host\(s) automatically triggers a
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reboot.
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.. rubric:: |proc|
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.. _installing-reboot-required-software-updates-using-horizon-steps-lnt-14y-hjb:
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#. Log in to the Horizon Web interface as the **admin** user.
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#. In Horizon, open the **Software Management** page.
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The **Software Management** page is available from **Admin** \> **Platform**
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\> **Software Management** in the left-hand pane.
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#. Select the **Patches** tab to see the current status.
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The **Patches** tab shows the current status of all updates uploaded to the
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system. If there are no updates, an empty **Patch Table** is displayed.
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#. Upload the update (patch) file to the update storage area.
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Click the **Upload Patches** button to display an upload window from which
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you can browse your workstation's file system to select the update file.
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Click the **Upload Patches** button once the selection is done.
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The update file is transferred to the Active Controller and is copied to
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the storage area, but it has yet to be applied to the cluster. This is
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reflected on the **Patches** tab.
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#. Apply the update.
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Click the **Apply Patch** button associated with the update. Alternatively,
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select the update first using the selection boxes on the left, and then
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click the **Apply Patches** button at the top. You can use this selection
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process to apply all updates, or a selected subset, in a single operation.
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The Patches page is updated to report the update to be in the
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*Partial-Apply* state.
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#. Install the update on controller-0.
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.. _installing-reboot-required-software-updates-using-horizon-step-N10107-N10028-N1001C-N10001:
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#. Select the **Hosts** tab.
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The **Hosts** tab on the **Host Inventory** page reflects the new status
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of the hosts with respect to the new update state. As shown below, both
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controllers are now reported as not 'patch current' and requiring
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reboot.
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.. image:: figures/ekn1453233538504.png
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#. Transfer active services to the standby controller by selecting the
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**Swact Host** option from the **Edit Host** button associated with the
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active controller host.
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.. note::
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Access to Horizon may be lost briefly during the active controller
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transition. You may have to log in again.
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#. Select the **Lock Host** option from the **Edit Host** button associated
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with **controller-0**.
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#. Select the **Install Patches** option from the **Edit Host** button
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associated with **controller-0** to install the update.
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A confirmation window is presented giving you a last opportunity to
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cancel the operation before proceeding.
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Wait for the update install to complete.
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#. Select the **Unlock Host** option from the **Edit Host** button
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associated with controller-0.
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#. Repeat steps :ref:`6
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<installing-reboot-required-software-updates-using-horizon-step-N10107-N10028-N1001C-N10001>`
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a to e, with **controller-1** to install the update on controller-1.
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.. note::
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For |prod| Simplex systems, this step does not apply.
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#. Repeat steps :ref:`6
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<installing-reboot-required-software-updates-using-horizon-step-N10107-N10028-N1001C-N10001>`
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a to e, for the worker and/or storage hosts.
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.. note::
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For |prod| Simplex or Duplex systems, this step does not apply.
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#. Verify the state of the update.
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Visit the **Patches** page. The update is now in the *Applied* state.
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.. rubric:: |result|
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The update is now applied, and all affected hosts have been updated.
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Updates can be removed using the **Remove Patches** button from the **Patches**
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tab. The workflow is similar to the one presented in this section, with the
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exception that updates are being removed from each host instead of being
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applied.
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