Fix VDisk premature donor drop

[alexvru]

Changelog entry

Fix VDisk premature donor drop

Changelog category

• Bugfix

Description for reviewers

This fix prevents donors of VDisks being dropped without fully extracting their data.

[github-actions]

🔴 2025-03-06 10:22:55 UTC The validation of the Pull Request description has failed. Please update the description.

Bugfix requires a linked issue in the changelog entry

[github-actions]

⚪ 2025-03-06 10:24:40 UTC Pre-commit check linux-x86_64-release-asan for 089a41f has started.
⚪ 2025-03-06 10:24:55 UTC Artifacts will be uploaded here
⚪ 2025-03-06 10:27:47 UTC ya make is running...
🟡 2025-03-06 11:35:42 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11999	11518	0	366	80	35

⚪ 2025-03-06 11:36:47 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-03-06 11:56:06 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
650 (only retried tests)	380	0	194	44	32

⚪ 2025-03-06 11:56:21 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-03-06 12:11:59 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Test history | Ya make output | Test bloat | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
417 (only retried tests)	174	0	177	35	31

🟢 2025-03-06 12:12:10 UTC Build successful.
🟢 2025-03-06 12:12:49 UTC ydbd size 3.7 GiB changed* by +17.2 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 7fc471f	merge: 089a41f	diff	diff %
ydbd size	3 993 622 312 Bytes	3 993 639 920 Bytes	+17.2 KiB	+0.000%
ydbd stripped size	1 388 750 408 Bytes	1 388 755 656 Bytes	+5.1 KiB	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-03-06 10:25:26 UTC Pre-commit check linux-x86_64-relwithdebinfo for 089a41f has started.
⚪ 2025-03-06 10:25:41 UTC Artifacts will be uploaded here
⚪ 2025-03-06 10:28:43 UTC ya make is running...
🟢 2025-03-06 11:20:42 UTC Tests successful.

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
19463	18115	0	0	1228	120

🟢 2025-03-06 11:22:59 UTC Build successful.
🟢 2025-03-06 11:23:22 UTC ydbd size 2.1 GiB changed* by +64 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 78f10f9	merge: 089a41f	diff	diff %
ydbd size	2 293 148 520 Bytes	2 293 148 584 Bytes	+64 Bytes	+0.000%
ydbd stripped size	480 458 880 Bytes	480 458 944 Bytes	+64 Bytes	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}