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January 14th, 2014 04:00
PowerPath Linux and Kernel Updates
Hi All,
We're new to EMC and have a question about Powerpath and linux. We're testing a VMAX 10k and 40k with linux. The question is how does powerpath handle kernel updates. Will powerpath automatically rebuild its kernel specific components when a new kernel is loaded or is user action required?
Thanks,
Vic
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dynamox
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January 14th, 2014 06:00
yes, it will automatically rebuild it ..always do an upgrade, you don't need to uninstall it first.
Take a look at this guide, page 73
https://support.emc.com/docu42959_PowerPath-for-Linux-5.7-and-Minor-Releases-Installation-and-Administration-Guide.pdf
vic_engle
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January 14th, 2014 08:00
Thanks but what I'm asking is what happens to powerpath if I install a patch that upgraades the Linux kernel. I'm assuming that the Powerpath kernel modules will need to rebuild against the new kernel. How does that happen?
Shanmugas
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January 15th, 2014 12:00
In family updates and patches should be all right, but you have to always compatibility matrix.
dynamox
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January 15th, 2014 12:00
as long as the kernel is supported, PowerPath module will be loaded just fine. I have not had to mess with PowerPath after installing kernel upgrades.