Problem z działaniem ShadowCopy i Windows Server Backup. chkdsk /R nie naprawił, nie dało się shrinkować partycji C:\ . Pomogło shrinkowanie minitool partition
https://www.minitool.com/partition-manager
Volsnap
The shadow copies of volume C: were aborted because of an IO failure on volume C:.
Backup:
The backup operation that started at '2018-09-11T22:07:29.271000000Z’ has failed because the Volume Shadow Copy Service operation to create a shadow copy of the volumes being backed up failed with following error code '2155348075′. Please review the event details for a solution, and then rerun the backup operation once the issue is resolved.
Checking file system on C:
The type of the file system is NTFS.
A disk check has been scheduled.
Windows will now check the disk.
CHKDSK is verifying files (stage 1 of 5)…
…..
…..
Free space verification is complete.
Write failure with status 0xc0000015 at offset 0xe8dead7800 for 0x200 bytes.
The second NTFS boot sector is unwriteable.
Internal Info:
00 ff 02 00 42 d1 02 00 a3 7d 05 00 00 00 00 00 ….B….}……
7d 00 00 00 3c 00 00 00 00 00 00 00 00 00 00 00 }…<………..
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
Windows has finished checking your disk.
Please wait while your computer restarts.
The second NTFS boot sector is unwriteable.