baseTestCases := []TestSuiteCommon{
		// Init and run test on ErasureSD backend with signature v4.
		{serverType: "ErasureSD", signer: signerV4},
		// Init and run test on ErasureSD backend, with tls enabled.
		{serverType: "ErasureSD", signer: signerV4, secure: true},
		// Init and run test on Erasure backend.
		{serverType: "Erasure", signer: signerV4},
		// Init and run test on ErasureSet backend.

			return
		case entry := <-s.immediatePurge:
			// Add deadlines such that immediate purge is not
			// perpetually hung here.
			w := xioutil.NewDeadlineWorker(globalDriveConfig.GetMaxTimeout())
			w.Run(func() error {
				return removeAll(entry)
			})
		}
	}
}

const almostFilledPercent = 0.05

func (s *xlStorage) diskAlmostFilled() bool {
	info, err := s.diskInfoCache.Get()

				took := time.Since(refreshStart).Seconds()
				if took > maxDurationSecondsForLog {
					// Log if we took a lot of time to load.
					logger.Info("IAM refresh took (duration: %.2fs)", took)
				}
			}

			// Run purge routines once in each hour.
			if refreshStart.Hour() != lastPurgeHour {
				lastPurgeHour = refreshStart.Hour()
				// Poll and remove accounts for those users who were removed
				// from LDAP/OpenID.