April 2015 | baumi's blog

April, 2015

17 04 2015

Improving SPAM Rating (adding SPF records)

https://help.ubuntu.com/community/Postfix/SPF and http://www.conhost.net/faq_artikel-18.htm http://www.labnol.org/internet/authenticate-google-apps-email-with-spf/13877/ Example syntax for the SPF record: b-nm.at v=spf1 include:_spf.google.com ip4:78.46.156.164 ip6:2a01:4f8:190:6423::2 ~all Hinweis -all vs. ~all: https://support.google.com/a/answer/178723?hl=en Tool for checking the SFP entries / syntax: http://kitterman.com/spf/validate.html Google check tool: https://toolbox.googleapps.com/apps/checkmx/

5 04 2015

How to reset HGST Hitachi SMART values S.M.A.R.T. Spin_Retry_Count degraded mdadm raid array problem raid5 raid6 raid1 raid01 raid10 smartctl ultrastar deskstar a7k2000 a7k3000 a7k1000

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Problem: your raid array has degraded, one or multiple disks are failing S.M.A.R.T. tests, because of Spin_retry_count. Actually all the data is OK, just the spin_retry_count keeps happening. The drives are perfecly fine, but the S.M.A.R.T. value makes the drive almost useless because bios and/or mdadm won’t accept it anymore for your raid array. This […]