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Re: Planned minor service interruption

Posted: Sat Apr 21, 2018 2:33 am
by avij
1) Minor: The web server will be rebooted tonight (21.4.) at around 03:30 CEST for upgrading to CentOS 7.5.1804. Expected downtime is probably around 15 minutes. Edit: Downtime was 03:30-03:34.

2) Slighly less minor: The data center where EBT's server is located will be closed next week due to "modifications to the building". All the servers in the data center will need to be relocated to a different data center. I will be personally hauling the server to the new location on Tuesday 24.4. at approximately 10:50 CEST. If everything goes as planned, the downtime will be around one hour. Edit: Downtime was 11:09 - 11:42 CEST.

Edit:
The ISP moved the rest of their own equipment to the new data center on the night between Tuesday and Wednesday. I thought this would not affect us, but looks like we were partially unreachable this night. IPv6 users were the most affected, but IPv4 was affected somewhat as well. Everything seems to be working OK now (25.4. 04:13 CEST).

Re: Planned minor service interruption

Posted: Wed Aug 15, 2018 8:38 am
by avij
The web server will be rebooted early Thursday morning (16.8.) to switch to a newer kernel and BIOS (security updates). This is likely to take around 15 minutes.

Edit: downtime was 03:28 - 03:38 CEST.

Re: Planned minor service interruption

Posted: Tue Nov 13, 2018 8:31 pm
by avij
The web server will be rebooted early Wednesday morning (14.11.) at around 03:30 CET for upgrading to CentOS 7.6.1810. Expected downtime is probably around 15 minutes.

Edit: Downtime was from 03:33 to 03:38.

Re: Planned minor service interruption

Posted: Sun Jun 16, 2019 3:38 pm
by avij
The web server will be rebooted early Monday morning (17.6.) to switch to a newer kernel and network adapter firmware. This is likely to take around 15 minutes.

Edit: downtime was 03:19 - 03:26 CEST.

Re: Planned minor service interruption

Posted: Tue Jun 18, 2019 6:03 pm
by avij
avij wrote:
Sun Jun 16, 2019 3:38 pm
The web server will be rebooted early Monday morning (17.6.) to switch to a newer kernel and network adapter firmware. This is likely to take around 15 minutes.
And of course the next day there's a new more important kernel update, so expect another reboot on early Wednesday morning.

Edit: Today's downtime was 03:45-03:52 CEST.

Re: Planned minor service interruption

Posted: Sun Aug 25, 2019 11:24 pm
by avij
Sorry for the short notice, but the web server will be rebooted early Monday morning for upgrading to CentOS 7.7.1908. Expected downtime is probably around 15 minutes.

Edit: Today's downtime was 04:41-04:52 CEST.

Re: Planned minor service interruption

Posted: Mon Apr 13, 2020 10:05 pm
by avij
The web server will be rebooted early Tuesday morning for upgrading to CentOS 7.8.2003 (CR) and for applying firmware updates.

Edit: Operating system update went smoothly, but installing and applying the firmware updates needed an additional reboot. Updating firmware images and rebooting takes ages, regardless of how fast the server is. Therefore today's downtime was exceptionally long, 03:28 - 04:17 CEST, or around 49 minutes.

Re: Planned minor service interruption

Posted: Wed Oct 21, 2020 11:29 am
by avij
The web server will be rebooted early Sunday morning (25.10.) for upgrading to CentOS 7.9.2009 (CR), along with a network card firmware update. This is likely to take around 15 minutes.

edit1: It appears that some kernel updates aren't available yet. If they aren't ready by Sunday morning, the maintenance break will be postponed to some later date.

edit2: The kernel updates seem to be available now, so the maintenance break will proceed as planned.

edit3: Sunday's downtime was 03:40 - 03:51 CET.