[Bug 1121874] Re: MySQL launch fails silently if < 4MB of disk space is available

[Robie Basak]

I've just uploaded 5.5.32-0ubuntu3, which reverts 5.5.32-0ubuntu2. In my
testing in my PPA, the test suite failed once, and on build retry
succeeded. So this upload may FTBFS, but even then I think it'd be
better to have something that at least used to work in -proposed for us
to work from.

Since we never released the SRUs, they are presumably no longer Fix
Committed.

Hopefully we should be back to square one now.

** Changed in: mysql-5.5 (Ubuntu Precise)
       Status: Fix Committed => Triaged

** Changed in: mysql-5.5 (Ubuntu Quantal)
       Status: Fix Committed => Triaged

** Changed in: mysql-5.5 (Ubuntu Raring)
       Status: Fix Committed => Triaged

** Changed in: mysql-5.5 (Ubuntu Raring)
     Assignee: Robie Basak (racb) => (unassigned)

** Changed in: mysql-5.5 (Ubuntu)
     Assignee: Robie Basak (racb) => (unassigned)

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Title:
  MySQL launch fails silently if < 4MB of disk space is available

Status in “mysql-5.5” package in Ubuntu:
  Triaged
Status in “mysql-5.5” source package in Precise:
  Triaged
Status in “mysql-5.5” source package in Quantal:
  Triaged
Status in “mysql-5.5” source package in Raring:
  Triaged

Bug description:
  [Impact]
  MySQL will not launch if less than 4MB of disk space is available:

  /etc/init/mysql.conf:
  LC_ALL=C BLOCKSIZE= df --portability /var/lib/mysql/. | tail -n 1 | awk '{ exit ($4<4096) }'

  This behaviour is OK, but it should not stop silently but report an
  error message so that the admin knows why it did not start.

  [Test Case]
  1) Prep system to have 4MB disk space
  2) Attempt to start mysql server
  3) Silent fail with upstart

  [Regression Potentional]
  This fix is in sysv script but was never carried over to upstart. Regression minimal as no code changes were made.

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