FS#69064 - Mirror Status Check

Attached to Project: Arch Linux
Opened by Christian Freund (chfrwrz) - Tuesday, 22 December 2020, 09:43 GMT
Last edited by Andreas Radke (AndyRTR) - Tuesday, 04 May 2021, 16:00 GMT
Task Type Support Request
Category Mirrors
Status Closed
Assigned To Jelle van der Waa (jelly)
Architecture All
Severity Very Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Our mirror status for ftp.wrz.de is reported 50% down because it looks like the arch-mirror-check-tool can not reach us via IPv4 although we are fully reachable via IPv4 (we would have recognized for sure ;-)).
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Tuesday, 04 May 2021, 16:00 GMT
Reason for closing:  Fixed
Comment by Amin Vakil (aminvakil) - Tuesday, 22 December 2020, 10:38 GMT
FWIW I can't ping ftp.wrz.de ipv4 addresses from Hetzner Servers too, but ipv6 addresses are fine.
Comment by Christian Freund (chfrwrz) - Tuesday, 22 December 2020, 10:45 GMT
please give me your netmask to allow icmp@v4 for this case
Comment by Amin Vakil (aminvakil) - Tuesday, 22 December 2020, 10:59 GMT
Thanks, it's not necessary, I thought it's allowed by all ipv4 addresses, and I wanted to help so I gave it a shot, but I don't know what IPs archlinux mirror status is checking mirrros with.
Comment by Jelle van der Waa (jelly) - Tuesday, 22 December 2020, 11:10 GMT
From our server which checks gemini.archlinux.org, we can't reach it over ipv4 indeed

See:
https://archlinux.org/mirrors/wrz.de/
https://archlinux.org/mirrors/wrz.de/1084/


Comment by Christian Freund (chfrwrz) - Tuesday, 22 December 2020, 11:21 GMT
So it is considered "reachable" when I allow icmp-traffic with the IPv4-address stated there: "88.198.91.70"?
Comment by Jelle van der Waa (jelly) - Tuesday, 22 December 2020, 11:54 GMT
No, this was an old server, we now check from "49.12.124.107"
Comment by Christian Freund (chfrwrz) - Tuesday, 22 December 2020, 12:38 GMT
okay, we'll see soon if it works (now permitting icmp traffic with 49.12.124.107/32)
Comment by Christian Freund (chfrwrz) - Tuesday, 22 December 2020, 14:04 GMT
Looks like it works now. I request a closing of the ticket.

As a low-prio-wish: Perhaps in the long run there is a way to check for the "UP"-state without ICMPv4, like doing a HTTP-HEAD-request on "archlinux/lastupdate" inside of the mirror.
Comment by Jelle van der Waa (jelly) - Tuesday, 22 December 2020, 14:18 GMT
Thanks for the suggestion, I'm going to work on more mirror automation in the future so emails will be send when such issues occur and I'll look into adding docs about how we monitor servers.

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