Issue

Since last Friday we have an issue with the sync of RHEL 6 base repo. The task is failing with:

PLP0000: CRC check failed 0x971ce6a4 != 0x846637c6L

There are four other tasks in error showing the same CRC check failed:

Id: 81f5fa04-ca3e-4726-abf8-6fb0a7ef6fb2
Label: Actions::Katello::Repository::MetadataGenerate
Name: Metadata generate
Owner: foreman_admin
Execution type: Delayed
Start at: 2017-12-08 08:30:35 UTC
Start before: -
Started at: 2017-12-08 08:30:35 UTC
Ended at:
State: paused
Result: error
Params: {"services_checked"=>["pulp", "pulp_auth"], "locale"=>"en"}
Errors:
PLP0000: CRC check failed 0x971ce6a4 != 0x846637c6L

Resuming the tasks is not helping, they will finish with the same error.

The underlying issue is the extremely low value for 'open files' with ulimit, as can be seen in the Diagnostic Steps below.