There is a weird problem similar to the problem fix in Image backup processing/mount problems - #8 by artyomtsybulkin mentioned with 2.5.31 running as QNAP plugin while I test UrBackup to use it maybe permanently with commercial agents for Hyper-V / Windows servers.
Because we have HDDs > 2 TB and the dynamic version is also better I setup as default VHDX images (Image backups activated in group for Hyper-V VMs and Servers):
But somehow only VHDs are saved except on one Testing VM:
[/share/CACHEDEV2_DATA/urbackup] # find . -name “.vhdx”
./hpv01[hpeoneview01 (10.30.2.23)]/230809-1706_Image_IDE_0_0/Image_IDE_0_0_230809-1706.vhdx.mbr
./hpv01[hpeoneview01 (10.30.2.23)]/230809-1706_Image_IDE_0_0/Image_IDE_0_0_230809-1706.vhdx
./hpv01[hpeoneview01 (10.30.2.23)]/230809-1706_Image_IDE_0_0/Image_IDE_0_0_230809-1706.vhdx.hash
./hpv01[hpeoneview01 (10.30.2.23)]/230809-1706_Image_IDE_0_0/Image_IDE_0_0_230809-1706.vhdx.cbitmap
./hpv01[hpeoneview01 (10.30.2.23)]/230809-1706_Image_IDE_0_0/Image_IDE_0_0_230809-1706.vhdx.sync
So there is the problem that on 3 servers with one HDD > 2 TB each failing again and again on their biggest HDD - server/client have nearly same logging:
Server:
Client:
Starting scheduled incremental image backup of volume “E:”…
Basing image backup on last full image backup
Error retrieving last image backup. Doing full image backup instead.
FATAL: Error writing to VHD-File. Cannot allocate memory (code: 12)
FATAL ERROR: Could not write to VHD-File
Transferred 387.78 GB - Average speed: 43.2387 MBit/s
(Before compression: 1.80675 TB ratio: 4.77103)
Time taken for backing up client bidev02: 21h 23m 58s
Backup failed
Filesystem is fine:
[/share/CACHEDEV2_DATA/urbackup] # df -h .
Filesystem Size Used Available Use% Mounted on
/dev/mapper/cachedev2
39.4T 10.5T 28.9T 27% /share/CACHEDEV2_DATA
Here one example of stored content
[/share/CACHEDEV2_DATA/urbackup/bidev02] # find . -name “.vhd” -mtime -7 | grep “z$” | xargs ls -lh
-rwxrwx— 1 admin administrators 211M 2023-08-17 01:39 ./230817-0138_Image_SYSVOL/Image_SYSVOL_230817-0138.vhdz
-rwxrwx— 1 admin administrators 1.4G 2023-08-17 01:57 ./230817-0139_Image_C/Image_C_230817-0139.vhdz
-rwxrwx— 1 admin administrators 17M 2023-08-17 01:39 ./230817-0139_Image_ESP/Image_ESP_230817-0139.vhdz
-rwxrwx— 1 admin administrators 347M 2023-08-17 02:13 ./230817-0157_Image_D/Image_D_230817-0157.vhdz
-rwxrwx— 1 admin administrators 8.0M 2023-08-18 23:37 ./230818-2335_Image_G/Image_G_230818-2335.vhdz
-rwxrwx— 1 admin administrators 3.4G 2023-08-19 00:00 ./230818-2337_Image_H/Image_H_230818-2337.vhdz
-rwxrwx— 1 admin administrators 81M 2023-08-19 00:46 ./230819-0000_Image_F/Image_F_230819-0000.vhdz
-rwxrwx— 1 admin administrators 392G 2023-08-20 20:24 ./230819-2250_Image_E/Image_E_230819-2250.vhdz
-rwxrwx— 1 admin administrators 55G 2023-08-21 00:32 ./230820-2144_Image_E/Image_E_230820-2144.vhdz
And I found out howto verify my settings - as shown the setup is correctly setup in database as intended from WebGUI - alll image backups should be done as VHDX and not VHDz:
[/share/CACHEDEV1_DATA/.qpkg/QUrBackup/var/urbackup] # …/…/bin/sqlite3 backup_server_settings.db “SELECT * FROM settings WHERE value LIKE ‘%vhd%’”
image_file_format|vhdx|0||2|1691345479
image_file_format|vhdx|-1||1|0
image_file_format|vhdx|-2||1|0
image_file_format|vhdx|-3||1|0
image_file_format|vhdx|-4||1|0
image_file_format|vhdx|-5||1|0
image_file_format|vhdx|-6||1|0
image_file_format|vhdx|-7||1|0
image_file_format|vhdx|-8||1|0
Is there maybe a bug caused by in Image backup processing/mount problems - #8 by artyomtsybulkin mentioned fix or need the taken server backups maybe completely deleted to start with VHDx correctly or something similar?
Thanx for hints.
Reiner