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Shelf Limitation in SAS Stacks

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Applies to

Disk Shelves

Description

Check Active IQ if this impacts your systems.

Each SAS storage shelf stack can contain up to 10 shelves with the following exceptions:

  • FAS2040, which is limited to 4 shelves per stack
  • DS4486 disk shelves which are limited to 5 per stack
  • DS460C disk shelves which are limited to 4 per stack

The 10-shelf limit applies only to the number of storage shelves in a stack, and is not a system limit, because systems can contain multiple stacks.

If a single stack in the system contains more than 10 disk shelves, the following alert will be presented in EMS:
<node_name>: dsa_disc: ses.config.shelfPopError:critical]: Disk shelf population on channel <XX> is ##. Reduce the number of disk shelves on this channel to 10 or fewer.

 

 

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