Markus Hilger 0839299bd4 Fall back to other managers for untethered images ...

An untethered or uncompressed diskless boot downloaded the root image
only from the deployment server and retried it forever when that server
failed. Try the other managers that answered discovery as well, as the
tethered urlmount already does.

urlmount limits each small range request to 10 seconds, but the single
whole-image download cannot take a total limit. Give up on a connect
after 10 seconds and on a transfer that stalls for 30 seconds instead,
so a hung server moves on to the next one.

2026-11-01 12:09:06 +01:00

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Fall back to other managers for untethered images

2026-11-01 12:09:06 +01:00