Incident: Loki Ingester experiencing 50% errors.

Handled initially by Matej: https://coreos.slack.com/archives/C02BY4191B6/p1641395393174800

Alert: https://coreos.slack.com/archives/C01ELMMLH9T/p1641391686000300

Started with 50% write errors on 3pm CET, now 100%

NOTE: ptsiraki@redhat.com is on parental leave and new person is starting in 2w and given best effort SLA this is not critical. As monitoring team we are helping in best effort manner.