[Bug 1432060] [NEW] Include SCSI device handlers for improved multipath support (ALUA, RDAC)

[Mauricio Faria de Oliveira]

Public bug reported:

On some SAN storages, the SCSI device handlers ALUA and RDAC help linux
to handle much more gracefully some I/O errors resulting from trying to
talk to "ghost" paths.

Please include those modules (scsi_dh_alua, scsi_dh_rdac) in the initramfs when multipath is enabled
(i.e., multipath-tools:debian/hooks/multipath IIRC, on a for-loop that calls manual_add_modules() ).

Thanks to Brian King for providing the information.

** Affects: multipath-tools (Ubuntu)
     Importance: Undecided
         Status: New

** Summary changed:

- Include SCSI device handlers for improved multipath support
+ Include SCSI device handlers for improved multipath support (ALUA, RDAC)

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https://bugs.launchpad.net/bugs/1432060

Title:
  Include SCSI device handlers for improved multipath support (ALUA,
  RDAC)

Status in multipath-tools package in Ubuntu:
  New

Bug description:
  On some SAN storages, the SCSI device handlers ALUA and RDAC help
  linux to handle much more gracefully some I/O errors resulting from
  trying to talk to "ghost" paths.

  Please include those modules (scsi_dh_alua, scsi_dh_rdac) in the initramfs when multipath is enabled
  (i.e., multipath-tools:debian/hooks/multipath IIRC, on a for-loop that calls manual_add_modules() ).

  Thanks to Brian King for providing the information.

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