[PATCH proxmox-backup 0/2] fix #6990: server: drop verify state on push & pull job

[Jakob Klocker <j.klocker@proxmox.com>]

When syncing a snapshot to another datastore, the source's verify_state is
currently carried over to the target. This reports the target snapshot as
verified even though its stored copy was never checked there. Since verify
jobs skip snapshots that already carry a verify_state, the target's copy
can't be verified again.

Chunks are checksummed in memory while being transferred, but a verify
serves a different purpose: confirming the write to the (external) target
actually succeeded.

This series drops verify_state on sync so the target is verified
independently. The state is dropped by default.

Tested (verify_state correctly stripped on target):
 * Pull, verified source, new content, clean sync
 * Pull, verified source, existing content, clean sync
 * Pull, corrupted target, resync-corrupt
 * Push, verified source (has no corrupt path)
 * Pull, independently-verified target, clean re-sync - state preserved

Link: https://bugzilla.proxmox.com/show_bug.cgi?id=6990


proxmox-backup:

Jakob Klocker (2):
  fix #6990: server: drop verify state on non-decrypt pull job
  fix #6990: server: drop verify state on push job

 src/server/pull.rs | 42 ++++++++++++++++++++++++++++--------------
 src/server/push.rs |  6 ++++++
 2 files changed, 34 insertions(+), 14 deletions(-)


Summary over all repositories:
  2 files changed, 34 insertions(+), 14 deletions(-)

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