Issues Resolved In This Hotfix
This hotfix resolves the following issues:
- Creating a Virtual Machine (VM) or a Virtual Disk Image (VDI) may fail due to lack of space in the NetApp storage array. This is due to an issue in Integrated StorageLink (iSL) when using NetApp storage arrays, which incorrectly configures volumes for thin provisioning.
- Creating a VM or a VDI on an iSL NetApp storage array may consume more than 140% of additional space on the storage array.
- Attempts to re-attach the VDIs from the legacy StorageLink, after upgrading to XenServer 6.0, may display incorrect storage volume information in XenCenter.
- VM Snapshots created on an iSL NetApp Storage Repository (SR) are deleted if a single snapshot is removed from the snapshot tree.
- Creating an SR on an iSL Dell EqualLogic storage array will fail, if using Dell EqualLogic Array Firmware version greater than 5.1.1.
- Snapshots created on an iSL NetApp storage array inflate the underlying volume and will eventually fill up the aggregate space.
- Changing the IP address of a NetApp storage array when attempting to re-attach the iSL SR with a NetApp storage array, may result in an iSL SR crash.
NOTE: In addition, this hotfix also includes several bug fixes.
Installing the Hotfix
IMPORTANT: Customers MUST install Hotfix XS60E001 – For XenServer 6.0 before attempting to apply this hotfix.
Customers should use either XenCenter or the XenServer Command Line Interface (CLI) to install this update. Once the update has installed, the server must be restarted for it to take effect. As with any software update, please back up your data before applying this hotfix. Citrix recommends updating all hosts within a pool sequentially. Upgrading of hosts should be scheduled to minimize the amount of time the pool runs in a “mixed state” where some hosts have been upgraded and some have not. Running a mixed pool of updated and non-updated hosts for general operation is not supported.
- The attachment to this article is a zip file.
- To minimise hotfix application time, specifically to avoid host reboot and VM migrations while applying this hotfix, customers should follow the instructions for installing the update using the XenServer CLI.
Installing the update using XenCenter
- Download the update to a known location on a computer that has XenCenter installed.
- In XenCenter, on the Tools menu, select Install New Update. This displays the Install Update wizard.
- Click Next to start the Wizard.
- Click Add to upload a new update.
- Browse to the location where you downloaded the hotfix, select it, and then click Open.
- From the list of updates select XS60E015.update and then click Next.
- Select the hosts you wish to apply the hotfix to, and then click Next.
- Follow the recommendations to resolve any upgrade prechecks.
- Click Install to start the installation.
Note: The XenCenter controlled upgrade process reboots each host sequentially starting with the Pool Master, where possible VMs will be migrated to other running hosts to avoid VM downtime. When the Pool Master is being rebooted, XenCenter will be unable to monitor the pool.
Installing the update using the off-host CLI
- Download the update to a known location on a computer that has the XenServer CLI or XenCenter installed.
- Extract the xsupdate file from the zip.
- If using Windows, start a Command Prompt and navigate to the XenCenter directory, for example:
cd C:Program filesCitrixXenCenter
- Upload the xsupdate file to the Pool Master by entering the following commands: (Where hostnameis the Pool Master’s IP address or DNS name.)
xe patch-upload -s
<hostname>-u root -pw
XenServer assigns the update file a UUID which this command prints. Note the UUID.
- Apply the hotfix to all hosts in the pool, specifying the UUID of the hotfix:
xe patch-pool-apply uuid=
- Verify that the update was applied by using the patch-listcommand.
xe patch-list -s
<hostname>-u root -pw
If the update has been successful, the hostsfield will contain the UUIDs of the hosts this patch was successfully applied to. This should be a complete list of all hosts in the pool.
- The hotfix is applied to all hosts in the pool, but it will not take effect until the toolstack is reloaded on all hosts. In XenCenter, on the console of each host in the pool, enter the following:
Note: When this command is run on the Pool Master, XenCenter will lose connection to the pool. Wait 30 seconds after losing connection, and then reconnect manually.
- To verify in XenCenter that the update has been applied correctly, select the Pool, and then click the General tab. This displays the Pool properties. In the Updates section, ensure that the update is listed as Fully applied.
You can download the hotfix here.
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