Also, with ZFS backend, nightly cleaning failed to delete some datasets :
2017-01-04 12:30:33: Client with id=2 has 1 full image backups max=23
2017-01-04 12:30:33: Client with id=2 has 0 incremental image backups max=5
2017-01-04 12:30:33: Client with id=12 has 3 full image backups max=5
2017-01-04 12:30:33: Client with id=12 has 10 incremental image backups max=5
2017-01-04 12:30:33: Deleting incremental image backup ( id=72, backuptime=2016-12-23 21:06:37, path=/media/backups/SV213/161223-2206_Image_C/Image_C_161223-2206.raw
, letter=C: ) from client "SV213" ( id=12 ) ...
2017-01-04 12:30:33: Deleting image backup ( id=72, path=/media/backups/SV213/161223-2206_Image_C/Image_C_161223-2206.raw ) ...
2017-01-04 12:30:33: Deleting image backup failed.
2017-01-04 12:30:33: Deleting incremental image backup ( id=118, backuptime=2016-12-24 21:09:25, path=/media/backups/SV213/161224-2209_Image_C/Image_C_161224-2209.ra
w, letter=C: ) from client "SV213" ( id=12 ) ...
2017-01-04 12:30:33: Deleting image backup ( id=118, path=/media/backups/SV213/161224-2209_Image_C/Image_C_161224-2209.raw ) ...
2017-01-04 12:30:33: Deleting image backup failed.
2017-01-04 12:30:33: Deleting incremental image backup ( id=200, backuptime=2016-12-26 21:06:36, path=/media/backups/SV213/161226-2206_Image_C/Image_C_161226-2206.ra
w, letter=C: ) from client "SV213" ( id=12 ) ...
2017-01-04 12:30:33: Deleting image backup ( id=200, path=/media/backups/SV213/161226-2206_Image_C/Image_C_161226-2206.raw ) ...
2017-01-04 12:30:33: Deleting image backup failed.
2017-01-04 12:30:33: Deleting incremental image backup ( id=244, backuptime=2016-12-27 21:08:18, path=/media/backups/SV213/161227-2208_Image_C/Image_C_161227-2208.ra
w, letter=C: ) from client "SV213" ( id=12 ) ...
2017-01-04 12:30:33: Deleting image backup ( id=244, path=/media/backups/SV213/161227-2208_Image_C/Image_C_161227-2208.raw ) ...
2017-01-04 12:30:33: Deleting image backup failed.
2017-01-04 12:30:33: Deleting incremental image backup ( id=288, backuptime=2016-12-28 21:07:07, path=/media/backups/SV213/161228-2207_Image_C/Image_C_161228-2207.ra
w, letter=C: ) from client "SV213" ( id=12 ) ...
2017-01-04 12:30:33: Deleting image backup ( id=280, path=/media/backups/SV213/161228-2202_Image_SYSVOL/Image_SYSVOL_161228-2202.raw ) ...
2017-01-04 12:30:34: Deleting image backup ( id=288, path=/media/backups/SV213/161228-2207_Image_C/Image_C_161228-2207.raw ) ...
2017-01-04 12:30:34: Deleting image backup failed.
2017-01-04 12:30:34: Client with id=8 has 3 full image backups max=5
2017-01-04 12:30:34: Client with id=8 has 10 incremental image backups max=5
2017-01-04 12:30:34: Deleting incremental image backup ( id=73, backuptime=2016-12-23 21:07:17, path=/media/backups/SV207/161223-2207_Image_C/Image_C_161223-2207.raw
, letter=C: ) from client "SV207" ( id=8 ) ...
2017-01-04 12:30:34: Deleting image backup ( id=73, path=/media/backups/SV207/161223-2207_Image_C/Image_C_161223-2207.raw ) ...
2017-01-04 12:30:34: Deleting image backup failed.
2017-01-04 12:30:34: Deleting incremental image backup ( id=116, backuptime=2016-12-24 21:06:02, path=/media/backups/SV207/161224-2206_Image_C/Image_C_161224-2206.ra
w, letter=C: ) from client "SV207" ( id=8 ) ...
2017-01-04 12:30:34: Deleting image backup ( id=116, path=/media/backups/SV207/161224-2206_Image_C/Image_C_161224-2206.raw ) ...
2017-01-04 12:30:34: Deleting image backup failed.
2017-01-04 12:30:34: Deleting incremental image backup ( id=202, backuptime=2016-12-26 21:07:29, path=/media/backups/SV207/161226-2207_Image_C/Image_C_161226-2207.ra
w, letter=C: ) from client "SV207" ( id=8 ) ...
2017-01-04 12:30:34: Deleting image backup ( id=202, path=/media/backups/SV207/161226-2207_Image_C/Image_C_161226-2207.raw ) ...
2017-01-04 12:30:34: Deleting image backup failed.
2017-01-04 12:30:34: Deleting incremental image backup ( id=246, backuptime=2016-12-27 21:09:24, path=/media/backups/SV207/161227-2209_Image_C/Image_C_161227-2209.raW
w, letter=C: ) from client "SV207" ( id=8 ) ...
2017-01-04 12:30:34: Deleting image backup ( id=246, path=/media/backups/SV207/161227-2209_Image_C/Image_C_161227-2209.raw ) ...
2017-01-04 12:30:34: Deleting image backup failed.
2017-01-04 12:30:34: Deleting incremental image backup ( id=289, backuptime=2016-12-28 21:09:23, path=/media/backups/SV207/161228-2209_Image_C/Image_C_161228-2209.ra
w, letter=C: ) from client "SV207" ( id=8 ) ...
2017-01-04 12:30:34: Deleting image backup ( id=286, path=/media/backups/SV207/161228-2204_Image_SYSVOL/Image_SYSVOL_161228-2204.raw ) ...
2017-01-04 12:30:35: Deleting image backup ( id=289, path=/media/backups/SV207/161228-2209_Image_C/Image_C_161228-2209.raw ) ...
2017-01-04 12:30:35: Deleting image backup failed.
2017-01-04 12:30:35: Client with id=4 has 3 full image backups max=5
2017-01-04 12:30:35: Client with id=4 has 10 incremental image backups max=5
2017-01-04 12:30:35: Deleting incremental image backup ( id=74, backuptime=2016-12-23 21:07:18, path=/media/backups/SV203/161223-2207_Image_C/Image_C_161223-2207.raw
, letter=C: ) from client "SV203" ( id=4 ) ...
2017-01-04 12:30:35: Deleting image backup ( id=74, path=/media/backups/SV203/161223-2207_Image_C/Image_C_161223-2207.raw ) ...
2017-01-04 12:30:35: Deleting image backup failed.
2017-01-04 12:30:35: Deleting incremental image backup ( id=117, backuptime=2016-12-24 21:07:21, path=/media/backups/SV203/161224-2207_Image_C/Image_C_161224-2207.ra
w, letter=C: ) from client "SV203" ( id=4 ) ...
2017-01-04 12:30:35: Deleting image backup ( id=117, path=/media/backups/SV203/161224-2207_Image_C/Image_C_161224-2207.raw ) ...
2017-01-04 12:30:36: Deleting image backup failed.
2017-01-04 12:30:36: Deleting incremental image backup ( id=201, backuptime=2016-12-26 21:07:22, path=/media/backups/SV203/161226-2207_Image_C/Image_C_161226-2207.ra
w, letter=C: ) from client "SV203" ( id=4 ) ...
2017-01-04 12:30:36: Deleting image backup ( id=201, path=/media/backups/SV203/161226-2207_Image_C/Image_C_161226-2207.raw ) ...
2017-01-04 12:30:36: Deleting image backup failed.
2017-01-04 12:30:36: Deleting incremental image backup ( id=245, backuptime=2016-12-27 21:08:24, path=/media/backups/SV203/161227-2208_Image_C/Image_C_161227-2208.ra
w, letter=C: ) from client "SV203" ( id=4 ) ...
2017-01-04 12:30:36: Deleting image backup ( id=245, path=/media/backups/SV203/161227-2208_Image_C/Image_C_161227-2208.raw ) ...
2017-01-04 12:30:36: Deleting image backup failed.
2017-01-04 12:30:36: Deleting incremental image backup ( id=290, backuptime=2016-12-28 21:10:13, path=/media/backups/SV203/161228-2210_Image_C/Image_C_161228-2210.ra
w, letter=C: ) from client "SV203" ( id=4 ) ...
2017-01-04 12:30:36: Deleting image backup ( id=287, path=/media/backups/SV203/161228-2204_Image_SYSVOL/Image_SYSVOL_161228-2204.raw ) ...
2017-01-04 12:30:36: Deleting image backup ( id=290, path=/media/backups/SV203/161228-2210_Image_C/Image_C_161228-2210.raw ) ...
2017-01-04 12:30:36: Deleting image backup failed.
2017-01-04 12:30:36: Client with id=14 has 3 full image backups max=5
2017-01-04 12:30:36: Client with id=14 has 10 incremental image backups max=5
2017-01-04 12:30:36: Deleting incremental image backup ( id=75, backuptime=2016-12-23 21:12:12, path=/media/backups/SV217/161223-2212_Image_C/Image_C_161223-2212.raw
, letter=C: ) from client "SV217" ( id=14 ) ...
2017-01-04 12:30:36: Deleting image backup ( id=75, path=/media/backups/SV217/161223-2212_Image_C/Image_C_161223-2212.raw ) ...
2017-01-04 12:30:36: Deleting image backup failed.
2017-01-04 12:30:36: Deleting incremental image backup ( id=123, backuptime=2016-12-24 21:13:13, path=/media/backups/SV217/161224-2213_Image_C/Image_C_161224-2213.ra
w, letter=C: ) from client "SV217" ( id=14 ) ...
2017-01-04 12:30:36: Deleting image backup ( id=123, path=/media/backups/SV217/161224-2213_Image_C/Image_C_161224-2213.raw ) ...
2017-01-04 12:30:37: Deleting image backup failed.
2017-01-04 12:30:37: Deleting incremental image backup ( id=210, backuptime=2016-12-26 21:14:17, path=/media/backups/SV217/161226-2214_Image_C/Image_C_161226-2214.ra
w, letter=C: ) from client "SV217" ( id=14 ) ...
2017-01-04 12:30:37: Deleting image backup ( id=210, path=/media/backups/SV217/161226-2214_Image_C/Image_C_161226-2214.raw ) ...
2017-01-04 12:30:37: Deleting image backup failed.
2017-01-04 12:30:37: Deleting incremental image backup ( id=247, backuptime=2016-12-27 21:11:37, path=/media/backups/SV217/161227-2211_Image_C/Image_C_161227-2211.ra
w, letter=C: ) from client "SV217" ( id=14 ) ...
2017-01-04 12:30:37: Deleting image backup ( id=247, path=/media/backups/SV217/161227-2211_Image_C/Image_C_161227-2211.raw ) ...
2017-01-04 12:30:37: Deleting image backup failed.
2017-01-04 12:30:37: Deleting incremental image backup ( id=297, backuptime=2016-12-28 21:13:57, path=/media/backups/SV217/161228-2213_Image_C/Image_C_161228-2213.ra
w, letter=C: ) from client "SV217" ( id=14 ) ...
2017-01-04 12:30:37: Deleting image backup ( id=285, path=/media/backups/SV217/161228-2203_Image_SYSVOL/Image_SYSVOL_161228-2203.raw ) ...
2017-01-04 12:30:37: Deleting image backup ( id=297, path=/media/backups/SV217/161228-2213_Image_C/Image_C_161228-2213.raw ) ...
2017-01-04 12:30:37: Deleting image backup failed.
2017-01-04 12:30:37: Client with id=9 has 3 full image backups max=5
2017-01-04 12:30:37: Client with id=9 has 10 incremental image backups max=5
2017-01-04 12:30:37: Deleting incremental image backup ( id=83, backuptime=2016-12-23 21:12:46, path=/media/backups/SV208/161223-2212_Image_C/Image_C_161223-2212.raw
, letter=C: ) from client "SV208" ( id=9 ) ...
2017-01-04 12:30:37: Deleting image backup ( id=83, path=/media/backups/SV208/161223-2212_Image_C/Image_C_161223-2212.raw ) ...
2017-01-04 12:30:38: Deleting image backup failed.
2017-01-04 12:30:38: Deleting incremental image backup ( id=120, backuptime=2016-12-24 21:11:53, path=/media/backups/SV208/161224-2211_Image_C/Image_C_161224-2211.ra
w, letter=C: ) from client "SV208" ( id=9 ) ...
2017-01-04 12:30:38: Deleting image backup ( id=120, path=/media/backups/SV208/161224-2211_Image_C/Image_C_161224-2211.raw ) ...
2017-01-04 12:30:38: Deleting image backup failed.
2017-01-04 12:30:38: Deleting incremental image backup ( id=204, backuptime=2016-12-26 21:12:28, path=/media/backups/SV208/161226-2212_Image_C/Image_C_161226-2212.ra
w, letter=C: ) from client "SV208" ( id=9 ) ...
2017-01-04 12:30:38: Deleting image backup ( id=204, path=/media/backups/SV208/161226-2212_Image_C/Image_C_161226-2212.raw ) ...
2017-01-04 12:30:38: Deleting image backup failed.
2017-01-04 12:30:38: Deleting incremental image backup ( id=253, backuptime=2016-12-27 21:13:41, path=/media/backups/SV208/161227-2213_Image_C/Image_C_161227-2213.ra
w, letter=C: ) from client "SV208" ( id=9 ) ...
2017-01-04 12:30:38: Deleting image backup ( id=253, path=/media/backups/SV208/161227-2213_Image_C/Image_C_161227-2213.raw ) ...
2017-01-04 12:30:38: Deleting image backup failed.
2017-01-04 12:30:38: Deleting incremental image backup ( id=291, backuptime=2016-12-28 21:11:50, path=/media/backups/SV208/161228-2211_Image_C/Image_C_161228-2211.ra
w, letter=C: ) from client "SV208" ( id=9 ) ...
2017-01-04 12:30:38: Deleting image backup ( id=277, path=/media/backups/SV208/161228-2201_Image_SYSVOL/Image_SYSVOL_161228-2201.raw ) ...
2017-01-04 12:30:38: Deleting image backup ( id=291, path=/media/backups/SV208/161228-2211_Image_C/Image_C_161228-2211.raw ) ...
2017-01-04 12:30:38: Deleting image backup failed.
2017-01-04 12:30:38: Client with id=10 has 3 full image backups max=5
2017-01-04 12:30:38: Client with id=10 has 10 incremental image backups max=5
2017-01-04 12:30:38: Deleting incremental image backup ( id=77, backuptime=2016-12-23 21:12:26, path=/media/backups/SV209/161223-2212_Image_C/Image_C_161223-2212.raw
, letter=C: ) from client "SV209" ( id=10 ) ...
2017-01-04 12:30:38: Deleting image backup ( id=77, path=/media/backups/SV209/161223-2212_Image_C/Image_C_161223-2212.raw ) ...
2017-01-04 12:30:39: Deleting image backup failed.
2017-01-04 12:30:39: Deleting incremental image backup ( id=121, backuptime=2016-12-24 21:12:51, path=/media/backups/SV209/161224-2212_Image_C/Image_C_161224-2212.ra
w, letter=C: ) from client "SV209" ( id=10 ) ...
2017-01-04 12:30:39: Deleting image backup ( id=121, path=/media/backups/SV209/161224-2212_Image_C/Image_C_161224-2212.raw ) ...
2017-01-04 12:30:39: Deleting image backup failed.
2017-01-04 12:30:39: Deleting incremental image backup ( id=203, backuptime=2016-12-26 21:11:41, path=/media/backups/SV209/161226-2211_Image_C/Image_C_161226-2211.ra
w, letter=C: ) from client "SV209" ( id=10 ) ...
2017-01-04 12:30:39: Deleting image backup ( id=203, path=/media/backups/SV209/161226-2211_Image_C/Image_C_161226-2211.raw ) ...
2017-01-04 12:30:39: Deleting image backup failed.
2017-01-04 12:30:39: Deleting incremental image backup ( id=250, backuptime=2016-12-27 21:12:37, path=/media/backups/SV209/161227-2212_Image_C/Image_C_161227-2212.ra
w, letter=C: ) from client "SV209" ( id=10 ) ...
2017-01-04 12:30:39: Deleting image backup ( id=250, path=/media/backups/SV209/161227-2212_Image_C/Image_C_161227-2212.raw ) ...
2017-01-04 12:30:39: Deleting image backup failed.
2017-01-04 12:30:39: Deleting incremental image backup ( id=293, backuptime=2016-12-28 21:12:16, path=/media/backups/SV209/161228-2212_Image_C/Image_C_161228-2212.ra
w, letter=C: ) from client "SV209" ( id=10 ) ...
2017-01-04 12:30:39: Deleting image backup ( id=279, path=/media/backups/SV209/161228-2201_Image_SYSVOL/Image_SYSVOL_161228-2201.raw ) ...
2017-01-04 12:30:39: Deleting image backup ( id=293, path=/media/backups/SV209/161228-2212_Image_C/Image_C_161228-2212.raw ) ...
2017-01-04 12:30:39: Deleting image backup failed.
2017-01-04 12:30:39: Client with id=7 has 3 full image backups max=5
2017-01-04 12:30:39: Client with id=7 has 10 incremental image backups max=5
2017-01-04 12:30:39: Deleting incremental image backup ( id=82, backuptime=2016-12-23 21:12:44, path=/media/backups/SV206/161223-2212_Image_C/Image_C_161223-2212.raw
, letter=C: ) from client "SV206" ( id=7 ) ...
2017-01-04 12:30:39: Deleting image backup ( id=82, path=/media/backups/SV206/161223-2212_Image_C/Image_C_161223-2212.raw ) ...
2017-01-04 12:30:39: Deleting image backup failed.
2017-01-04 12:30:39: Deleting incremental image backup ( id=124, backuptime=2016-12-24 21:13:35, path=/media/backups/SV206/161224-2213_Image_C/Image_C_161224-2213.ra
w, letter=C: ) from client "SV206" ( id=7 ) ...
2017-01-04 12:30:39: Deleting image backup ( id=124, path=/media/backups/SV206/161224-2213_Image_C/Image_C_161224-2213.raw ) ...
2017-01-04 12:30:40: Deleting image backup failed.
2017-01-04 12:30:40: Deleting incremental image backup ( id=209, backuptime=2016-12-26 21:13:27, path=/media/backups/SV206/161226-2213_Image_C/Image_C_161226-2213.ra
w, letter=C: ) from client "SV206" ( id=7 ) ...
2017-01-04 12:30:40: Deleting image backup ( id=209, path=/media/backups/SV206/161226-2213_Image_C/Image_C_161226-2213.raw ) ...
2017-01-04 12:30:40: Deleting image backup failed.
[......]
2017-01-04 12:30:52: Deleting incremental image backup ( id=306, backuptime=2016-12-28 22:29:13, path=/media/backups/SV304/161228-2329_Image_C/Image_C_161228-2329.raw, letter=C: ) from client "SV304" ( id=17 ) ...
2017-01-04 12:30:52: Deleting image backup ( id=304, path=/media/backups/SV304/161228-2313_Image_SYSVOL/Image_SYSVOL_161228-2313.raw ) ...
2017-01-04 12:30:53: Deleting image backup ( id=306, path=/media/backups/SV304/161228-2329_Image_C/Image_C_161228-2329.raw ) ...
2017-01-04 12:30:53: Deleting image backup failed.
2017-01-04 12:30:53: Client with id=18 has 3 full image backups max=5
2017-01-04 12:30:53: Client with id=18 has 10 incremental image backups max=5
2017-01-04 12:30:53: Deleting incremental image backup ( id=99, backuptime=2016-12-24 01:54:04, path=/media/backups/SV305/161224-0254_Image_C/Image_C_161224-0254.raw, letter=C: ) from client "SV305" ( id=18 ) ...
2017-01-04 12:30:53: Deleting image backup ( id=99, path=/media/backups/SV305/161224-0254_Image_C/Image_C_161224-0254.raw ) ...
2017-01-04 12:30:53: Deleting image backup failed.
2017-01-04 12:30:53: Deleting incremental image backup ( id=134, backuptime=2016-12-24 22:30:36, path=/media/backups/SV305/161224-2330_Image_C/Image_C_161224-2330.raw, letter=C: ) from client "SV305" ( id=18 ) ...
2017-01-04 12:30:53: Deleting image backup ( id=134, path=/media/backups/SV305/161224-2330_Image_C/Image_C_161224-2330.raw ) ...
2017-01-04 12:30:53: Deleting image backup failed.
2017-01-04 12:30:53: Deleting incremental image backup ( id=216, backuptime=2016-12-26 22:29:55, path=/media/backups/SV305/161226-2329_Image_C/Image_C_161226-2329.raw, letter=C: ) from client "SV305" ( id=18 ) ...
2017-01-04 12:30:53: Deleting image backup ( id=216, path=/media/backups/SV305/161226-2329_Image_C/Image_C_161226-2329.raw ) ...
2017-01-04 12:30:53: Deleting image backup failed.
2017-01-04 12:30:53: Deleting incremental image backup ( id=264, backuptime=2016-12-27 22:30:59, path=/media/backups/SV305/161227-2330_Image_C/Image_C_161227-2330.raw, letter=C: ) from client "SV305" ( id=18 ) ...
2017-01-04 12:30:53: Deleting image backup ( id=264, path=/media/backups/SV305/161227-2330_Image_C/Image_C_161227-2330.raw ) ...
2017-01-04 12:30:53: Deleting image backup failed.
2017-01-04 12:30:53: Deleting incremental image backup ( id=319, backuptime=2016-12-28 23:23:49, path=/media/backups/SV305/161229-0023_Image_C/Image_C_161229-0023.raw, letter=C: ) from client "SV305" ( id=18 ) ...
2017-01-04 12:30:53: Deleting image backup ( id=314, path=/media/backups/SV305/161229-0003_Image_SYSVOL/Image_SYSVOL_161229-0003.raw ) ...
2017-01-04 12:30:54: Deleting image backup ( id=319, path=/media/backups/SV305/161229-0023_Image_C/Image_C_161229-0023.raw ) ...
2017-01-04 12:30:54: Deleting image backup failed.
2017-01-04 12:30:54: Client with id=22 has 3 full image backups max=5
2017-01-04 12:30:54: Client with id=22 has 10 incremental image backups max=5
2017-01-04 12:30:54: Deleting incremental image backup ( id=101, backuptime=2016-12-24 01:54:40, path=/media/backups/SV312/161224-0254_Image_C/Image_C_161224-0254.raw, letter=C: ) from client "SV312" ( id=22 ) ...
2017-01-04 12:30:54: Deleting image backup ( id=101, path=/media/backups/SV312/161224-0254_Image_C/Image_C_161224-0254.raw ) ...
2017-01-04 12:30:54: Deleting image backup failed.
2017-01-04 12:30:54: Deleting incremental image backup ( id=140, backuptime=2016-12-24 22:49:21, path=/media/backups/SV312/161224-2349_Image_C/Image_C_161224-2349.raw, letter=C: ) from client "SV312" ( id=22 ) ...
2017-01-04 12:30:54: Deleting image backup ( id=140, path=/media/backups/SV312/161224-2349_Image_C/Image_C_161224-2349.raw ) ...
2017-01-04 12:30:54: Deleting image backup failed.
2017-01-04 12:30:54: Deleting incremental image backup ( id=230, backuptime=2016-12-26 23:35:36, path=/media/backups/SV312/161227-0035_Image_C/Image_C_161227-0035.raw, letter=C: ) from client "SV312" ( id=22 ) ...
2017-01-04 12:30:54: Deleting image backup ( id=230, path=/media/backups/SV312/161227-0035_Image_C/Image_C_161227-0035.raw ) ...
2017-01-04 12:30:54: Deleting image backup failed.
2017-01-04 12:30:54: Deleting incremental image backup ( id=267, backuptime=2016-12-27 22:41:22, path=/media/backups/SV312/161227-2341_Image_C/Image_C_161227-2341.raw, letter=C: ) from client "SV312" ( id=22 ) ...
2017-01-04 12:30:54: Deleting image backup ( id=267, path=/media/backups/SV312/161227-2341_Image_C/Image_C_161227-2341.raw ) ...
2017-01-04 12:30:54: Deleting image backup failed.
2017-01-04 12:30:54: Deleting incremental image backup ( id=307, backuptime=2016-12-28 22:30:10, path=/media/backups/SV312/161228-2330_Image_C/Image_C_161228-2330.raw, letter=C: ) from client "SV312" ( id=22 ) ...
2017-01-04 12:30:54: Deleting image backup ( id=301, path=/media/backups/SV312/161228-2301_Image_SYSVOL/Image_SYSVOL_161228-2301.raw ) ...
2017-01-04 12:30:54: Deleting image backup ( id=307, path=/media/backups/SV312/161228-2330_Image_C/Image_C_161228-2330.raw ) ...
2017-01-04 12:30:55: Deleting image backup failed.
2017-01-04 12:30:55: Client with id=15 has 3 full image backups max=5
2017-01-04 12:30:55: Client with id=15 has 9 incremental image backups max=5
2017-01-04 12:30:55: Deleting incremental image backup ( id=100, backuptime=2016-12-24 01:54:04, path=/media/backups/SV301/161224-0254_Image_C/Image_C_161224-0254.raw, letter=C: ) from client "SV301" ( id=15 ) ...
2017-01-04 12:30:55: Deleting image backup ( id=100, path=/media/backups/SV301/161224-0254_Image_C/Image_C_161224-0254.raw ) ...
2017-01-04 12:30:55: Deleting image backup failed.
2017-01-04 12:30:55: Deleting incremental image backup ( id=231, backuptime=2016-12-26 23:38:32, path=/media/backups/SV301/161227-0038_Image_C/Image_C_161227-0038.raw, letter=C: ) from client "SV301" ( id=15 ) ...
2017-01-04 12:30:55: Deleting image backup ( id=231, path=/media/backups/SV301/161227-0038_Image_C/Image_C_161227-0038.raw ) ...
2017-01-04 12:30:55: Deleting image backup failed.
2017-01-04 12:30:55: Deleting incremental image backup ( id=273, backuptime=2016-12-27 23:09:52, path=/media/backups/SV301/161228-0009_Image_C/Image_C_161228-0009.raw, letter=C: ) from client "SV301" ( id=15 ) ...
2017-01-04 12:30:55: Deleting image backup ( id=273, path=/media/backups/SV301/161228-0009_Image_C/Image_C_161228-0009.raw ) ...
2017-01-04 12:30:55: Deleting image backup failed.
2017-01-04 12:30:55: Deleting incremental image backup ( id=310, backuptime=2016-12-28 22:44:41, path=/media/backups/SV301/161228-2344_Image_C/Image_C_161228-2344.raw, letter=C: ) from client "SV301" ( id=15 ) ...
2017-01-04 12:30:55: Deleting image backup ( id=300, path=/media/backups/SV301/161228-2301_Image_SYSVOL/Image_SYSVOL_161228-2301.raw ) ...
Only the datasets containing SYSVOL deletes successfully.
Regards,