4 增量备份恢复
#首次备份
xfsdump -f /opt/dump_test_full /dump_test -L dum_test_full -M beifen0
[root@donglian dump_test]# xfsdump -f /opt/dump_test_full /dump_test -L dum_test_full -M beifen0
xfsdump: using file dump (drive_simple) strategy
xfsdump: version 3.1.7 (dump format 3.0) - type ^C for status and control
xfsdump: level 0 dump of donglian:/dump_test
xfsdump: dump date: Mon May 11 14:20:12 2020
xfsdump: session id: 6d6d2e4f-d9b6-46cb-86a8-a23d37c0d608
xfsdump: session label: "dum_test_full"
xfsdump: ino map phase 1: constructing initial dump list
xfsdump: ino map phase 2: skipping (no pruning necessary)
xfsdump: ino map phase 3: skipping (only one dump stream)
xfsdump: ino map construction complete
xfsdump: estimated dump size: 36032 bytes
xfsdump: creating dump session media file 0 (media 0, file 0)
xfsdump: dumping ino map
xfsdump: dumping directories
xfsdump: dumping non-directory files
xfsdump: ending media file
xfsdump: media file size 33208 bytes
xfsdump: dump size (non-dir files) : 5184 bytes
xfsdump: dump complete: 0 seconds elapsed
xfsdump: Dump Summary:
xfsdump: stream 0 /opt/dump_test_full OK (success)
xfsdump: Dump Status: SUCCESS
首次增量备份
xfsdump -l 1 -f /opt/dump_test_pack1 /dump_test -L dum_test_pack1 -M beifen1
[root@donglian dump_test]# xfsdump -l 1 -f /opt/dump_test_pack1 /dump_test -L dum_test_pack1 -M beifen1
xfsdump: using file dump (drive_simple) strategy
xfsdump: version 3.1.7 (dump format 3.0) - type ^C for status and control
xfsdump: level 1 incremental dump of donglian:/dump_test based on level 0 dump begun Mon May 11 14:2
0:12 2020
xfsdump: dump date: Mon May 11 14:32:13 2020
xfsdump: session id: 5e026335-71c8-4aa7-affd-800e10a0d214
xfsdump: session label: "dum_test_pack1"
xfsdump: ino map phase 1: constructing initial dump list
xfsdump: ino map phase 2: pruning unneeded subtrees
xfsdump: ino map phase 3: skipping (only one dump stream)
xfsdump: ino map construction complete
xfsdump: estimated dump size: 21120 bytes
xfsdump: creating dump session media file 0 (media 0, file 0)
xfsdump: dumping ino map
xfsdump: dumping directories
xfsdump: dumping non-directory files
xfsdump: ending media file
xfsdump: media file size 21392 bytes
xfsdump: dump size (non-dir files) : 0 bytes
xfsdump: dump complete: 0 seconds elapsed
xfsdump: Dump Summary:
xfsdump: stream 0 /opt/dump_test_pack1 OK (success)
xfsdump: Dump Status: SUCCESS
第二次增量备份
xfsdump -l 2 -f /opt/dump_test_pack2 /dump_test -L dum_test_pack2 -M beifen2
[root@donglian dump_test]# xfsdump -l 2 -f /opt/dump_test_pack2 /dump_test -L dum_test_pack2 -M beif
en2
xfsdump: using file dump (drive_simple) strategy
xfsdump: version 3.1.7 (dump format 3.0) - type ^C for status and control
xfsdump: level 2 incremental dump of donglian:/dump_test based on level 1 dump begun Mon May 11 14:3
2:13 2020
xfsdump: dump date: Mon May 11 14:34:33 2020
xfsdump: session id: 12c9f9ee-3d4c-4740-9c5e-1d9d63163385
xfsdump: session label: "dum_test_pack2"
xfsdump: ino map phase 1: constructing initial dump list
xfsdump: ino map phase 2: pruning unneeded subtrees
xfsdump: ino map phase 3: skipping (only one dump stream)
xfsdump: ino map construction complete
xfsdump: estimated dump size: 21120 bytes
xfsdump: creating dump session media file 0 (media 0, file 0)
xfsdump: dumping ino map
xfsdump: dumping directories
xfsdump: dumping non-directory files
xfsdump: ending media file
xfsdump: media file size 21424 bytes
xfsdump: dump size (non-dir files) : 0 bytes
xfsdump: dump complete: 0 seconds elapsed
xfsdump: Dump Summary:
xfsdump: stream 0 /opt/dump_test_pack2 OK (success)
xfsdump: Dump Status: SUCCESS
恢复完全备份
xfsrestore -f /opt/dump_test_full /dump_test
[root@donglian dump_test]# xfsrestore -f /opt/dump_test_full /dump_test
xfsrestore: using file dump (drive_simple) strategy
xfsrestore: version 3.1.7 (dump format 3.0) - type ^C for status and control
xfsrestore: searching media for dump
xfsrestore: examining media file 0
xfsrestore: dump description:
xfsrestore: hostname: donglian
xfsrestore: mount point: /dump_test
xfsrestore: volume: /dev/sdb1
xfsrestore: session time: Mon May 11 14:20:12 2020
xfsrestore: level: 0
xfsrestore: session label: "dum_test_full"
xfsrestore: media label: "beifen0"
xfsrestore: file system id: 9b65ee97-f7fe-41f9-80fc-10ad38a0e999
xfsrestore: session id: 6d6d2e4f-d9b6-46cb-86a8-a23d37c0d608
xfsrestore: media id: 392bb590-d1c0-457a-9023-b20f92e5de0f
xfsrestore: using online session inventory
xfsrestore: searching media for directory dump
xfsrestore: reading directories
xfsrestore: 3 directories and 22 entries processed
xfsrestore: directory post-processing
xfsrestore: restoring non-directory files
xfsrestore: restore complete: 0 seconds elapsed
xfsrestore: Restore Summary:
xfsrestore: stream 0 /opt/dump_test_full OK (success)
xfsrestore: Restore Status: SUCCESS
[root@donglian dump_test]# ls #显示文件信息
passwd test
恢复一级别备份
[root@donglian dump_test]# xfsrestore -f /opt/dump_test_pack1 /dump_test
xfsrestore: using file dump (drive_simple) strategy
xfsrestore: version 3.1.7 (dump format 3.0) - type ^C for status and control
xfsrestore: searching media for dump
xfsrestore: examining media file 0
xfsrestore: dump description:
xfsrestore: hostname: donglian
xfsrestore: mount point: /dump_test
xfsrestore: volume: /dev/sdb1
xfsrestore: session time: Mon May 11 14:34:33 2020
xfsrestore: level: 1
xfsrestore: session label: "dum_test_pack1"
xfsrestore: media label: "beifen2"
xfsrestore: file system id: 9b65ee97-f7fe-41f9-80fc-10ad38a0e999
xfsrestore: session id: 12c9f9ee-3d4c-4740-9c5e-1d9d63163385
xfsrestore: media id: c1a6857e-6c34-4b04-b465-2ac2d05c5e35
xfsrestore: using online session inventory
xfsrestore: searching media for directory dump
xfsrestore: reading directories
xfsrestore: 1 directories and 4 entries processed
xfsrestore: directory post-processing
xfsrestore: restoring non-directory files
xfsrestore: restore complete: 0 seconds elapsed
xfsrestore: Restore Summary:
xfsrestore: stream 0 /opt/dump_test_pack1 OK (success)
xfsrestore: Restore Status: SUCCESS
恢复一级别备份
[root@donglian dump_test]# xfsrestore -f /opt/dump_test_pack2 /dump_test
xfsrestore: using file dump (drive_simple) strategy
xfsrestore: version 3.1.7 (dump format 3.0) - type ^C for status and control
xfsrestore: searching media for dump
xfsrestore: examining media file 0
xfsrestore: dump description:
xfsrestore: hostname: donglian
xfsrestore: mount point: /dump_test
xfsrestore: volume: /dev/sdb1
xfsrestore: session time: Mon May 11 14:34:33 2020
xfsrestore: level: 2
xfsrestore: session label: "dum_test_pack2"
xfsrestore: media label: "beifen2"
xfsrestore: file system id: 9b65ee97-f7fe-41f9-80fc-10ad38a0e999
xfsrestore: session id: 12c9f9ee-3d4c-4740-9c5e-1d9d63163385
xfsrestore: media id: c1a6857e-6c34-4b04-b465-2ac2d05c5e35
xfsrestore: using online session inventory
xfsrestore: searching media for directory dump
xfsrestore: reading directories
xfsrestore: 1 directories and 4 entries processed
xfsrestore: directory post-processing
xfsrestore: restoring non-directory files
xfsrestore: restore complete: 0 seconds elapsed
xfsrestore: Restore Summary:
xfsrestore: stream 0 /opt/dump_test_pack2 OK (success)
xfsrestore: Restore Status: SUCCESS
[root@donglian dump_test]