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тАО05-29-2007 09:59 AM
тАО05-29-2007 09:59 AM
In my research, I've discovered that there were issues with upgrading JFS from version 3.3 to version 3.5. The name change of the product from HP OnlineJFS/JFS 3.5 to VERITAS File System 3.5 lends to some of the confusion, but one line in the installation guide has alarmed me. It reads: "Installing VxFS does not remove the JFS or OnlineJFS packages; however, their functions are disabled.
So the questions I put out to the forum are;
1. How does this product impact my existing LVM structures and their maintenance procedures?
2. what are teh issues to be considered when performing this upgrade?
Thanks in advance for the much appreciated assistance.
/alan/
Solved! Go to Solution.
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тАО05-29-2007 11:48 AM
тАО05-29-2007 11:48 AM
SolutionHowever, systems with version 3.5 are able to import older versions without problems. This means that should you need to export/import filesystems across such systems, you should create the filesystems on the older versions.
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тАО05-30-2007 02:48 AM
тАО05-30-2007 02:48 AM
Re: JFS upgrade issues
This also means that all ServiceGuard nodes in a cluster need to be on the same version, correct?
/alan/
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тАО05-30-2007 02:56 AM
тАО05-30-2007 02:56 AM
Re: JFS upgrade issues
When you say version under SG, I assume that you mean OnlineJFS version rather than SG version. Obviously, the only time nodes in a SG cluster should differ in SG versions is during a rolling upgrade and then only briefly. It isn't strictly necessary that all the nodes in the cluster be on the same version of JFS but it is necessary that any filesystems be created using the oldest version of JFS so that all nodes could mount the filesystem. On the other hand, it's rather state-of-the-art stupid not to have all the nodes running the same version of JFS. It's one less way for surprises to occur.
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тАО05-30-2007 03:04 AM
тАО05-30-2007 03:04 AM
Re: JFS upgrade issues
/alan/