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  1. RHEL
  2. RHEL-30525

Deprecate VDO sysfs fields

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    • rhel-9.4
    • rhel-9.4
    • vdo
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    • sst_logical_storage
    • ssg_platform_storage
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    • Deprecated Functionality
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      .The VDO `sysfs` parameters have been deprecated

      The Virtual Data Optimizer (VDO) `sysfs` parameters have been deprecated and will be removed in a future major RHEL release. Except for `log_level`, all module-level `sysfs` parameters for the `kvdo` module will be removed.
      For individual `dm-vdo` targets, all `sysfs` parameters specific to VDO will also be removed. There is no change for the parameters that are common to all DM targets. Configuration values for `dm-vdo` targets, which are currently set by updating the removed module-level parameters, can no longer be changed.

      Statistics and configuration values for `dm-vdo` targets will no longer be accessible through `sysfs`. But these values are still accessible by using `dmsetup message stats`, `dmsetup status`, and `dmsetup table` dmsetup commands
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      .The VDO `sysfs` parameters have been deprecated The Virtual Data Optimizer (VDO) `sysfs` parameters have been deprecated and will be removed in a future major RHEL release. Except for `log_level`, all module-level `sysfs` parameters for the `kvdo` module will be removed. For individual `dm-vdo` targets, all `sysfs` parameters specific to VDO will also be removed. There is no change for the parameters that are common to all DM targets. Configuration values for `dm-vdo` targets, which are currently set by updating the removed module-level parameters, can no longer be changed. Statistics and configuration values for `dm-vdo` targets will no longer be accessible through `sysfs`. But these values are still accessible by using `dmsetup message stats`, `dmsetup status`, and `dmsetup table` dmsetup commands
    • Done

      All sysfs fields in kvdo need to be deprecated in the RHEL 9 because we intend to remove them in the future.

      The information available through the sysfs fields is still available through other channels, such as 'dmsetup message stats'.

            abhide@redhat.com Apurva Bhide
            msakai@redhat.com Matthew Sakai
            Matthew Sakai Matthew Sakai
            vdo qe vdo qe
            Apurva Bhide Apurva Bhide
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              Created:
              Updated: