[ovirt-users] How can I link the cloned disks from a snapshot to the original disks?

FMGarcia Tue, 14 Jan 2020 05:12:48 -0800

Hello,

Sorry, I posted in bugzilla, and you advise me than my question isn'terror. https://bugzilla.redhat.com/show_bug.cgi?id=1789534


I will attach the same archives and the same text.


Description of problem:
This problem is bizarre/unusual/convoluted, such that I think that it won't 
affect to anybody. But the system allows it.

In a backup from snapshot with several disks, we can know the original disks 
from each disk through their names and their sizes. But, and if several disks 
had the same name and same size? How could we do it without inspect the content 
of each disk?

With the java Sdk, the order of the discs from the original machine to the 
cloned machine changes, making this path not possible either.

In attached files, I show the disks[with different name and order of java Sdk] 
of the original vm[vm1] and the cloned vm[vm1Clone]. And others[vm2] and 
[vm2Clone] with the same process, but all disks have the same name. The disks 
have two sizes: 1Gb and 2Gb.


Steps to Reproduce:
1. Create a vm, and attach several disks with same name and same size.
2. Create a backup from snapshot.
3. Now, try to differentiate the disks cloned from original, without looking at 
their contents.

Actual results:
I think that it is impossible without I look at their contents.

Expected results:
Knowing which disk of the cloned machine links to which disk of the original 
machine.

Additional info:
If you need more info, request me it



Vm.log -> Vm original with different disk name

VmClone.log -> Vm clone with different disk name

Vm2.log -> Vm original with same disk name

Vm2Clone.log -> Cloned vm with same disk name


Thanks for your time,

Fran

##################################
#####     VM:   vm2Clone     #####
##################################

Disk: {
	Name:vm2_Disk1_vm2Clone,
	Id:14e8e8ae-b96a-49d9-b215-6ca5da71c789,
	Status: OK,
	Image:ead01567-6683-4d35-a92b-6b675430b8c7,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:0,
		Total:0,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm2_Disk1_vm2Clone,
	Id:e164d595-beb7-4e3e-9bfb-308e48658d50,
	Status: OK,
	Image:edfc809e-7692-419c-9d9a-8f1d8167bb0f,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:0,
		Total:0,
		Provisioned: 2147483648
	}
}

Disk: {
	Name:vm2_Disk1_vm2Clone,
	Id:6070d053-a297-4969-9af2-9bdba9bdfa29,
	Status: OK,
	Image:396f7852-ccd8-4685-8d75-4a102f2f5486,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:0,
		Total:0,
		Provisioned: 2147483648
	}
}

Disk: {
	Name:vm2_Disk1_vm2Clone,
	Id:dbefd4cd-6eb4-48da-9098-00ee5f6786d0,
	Status: OK,
	Image:00f59378-93eb-4c20-9c51-82e0f40cd518,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:0,
		Total:0,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm2_Disk1_vm2Clone,
	Id:084b5b40-f4a3-4bab-9f7a-7e6b38a9f4fd,
	Status: OK,
	Image:d4b17ba8-e94c-4761-86c6-46b24d77b5f5,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:0,
		Total:0,
		Provisioned: 2147483648
	}
}

Disk: {
	Name:vm2_Disk1_vm2Clone,
	Id:2d2e6342-9976-4081-9863-300e102a52c8,
	Status: OK,
	Image:fae125a8-99a1-4547-9601-688c44bd72a9,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:0,
		Total:0,
		Provisioned: 1073741824
	}
}



DiskAttachment: {
	Name:null,
	Id:14e8e8ae-b96a-49d9-b215-6ca5da71c789,
	Disk:14e8e8ae-b96a-49d9-b215-6ca5da71c789
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 9f2c5961-0cbb-42f9-83be-30a13faad7c7
}

DiskAttachment: {
	Name:null,
	Id:e164d595-beb7-4e3e-9bfb-308e48658d50,
	Disk:e164d595-beb7-4e3e-9bfb-308e48658d50
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 9f2c5961-0cbb-42f9-83be-30a13faad7c7
}

DiskAttachment: {
	Name:null,
	Id:6070d053-a297-4969-9af2-9bdba9bdfa29,
	Disk:6070d053-a297-4969-9af2-9bdba9bdfa29
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 9f2c5961-0cbb-42f9-83be-30a13faad7c7
}

DiskAttachment: {
	Name:null,
	Id:dbefd4cd-6eb4-48da-9098-00ee5f6786d0,
	Disk:dbefd4cd-6eb4-48da-9098-00ee5f6786d0
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 9f2c5961-0cbb-42f9-83be-30a13faad7c7
}

DiskAttachment: {
	Name:null,
	Id:084b5b40-f4a3-4bab-9f7a-7e6b38a9f4fd,
	Disk:084b5b40-f4a3-4bab-9f7a-7e6b38a9f4fd
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 9f2c5961-0cbb-42f9-83be-30a13faad7c7
}

DiskAttachment: {
	Name:null,
	Id:2d2e6342-9976-4081-9863-300e102a52c8,
	Disk:2d2e6342-9976-4081-9863-300e102a52c8
	Interface:VIRTIO_SCSI,
	Boot:true,
	Activo:true,
	Vm: 9f2c5961-0cbb-42f9-83be-30a13faad7c7
}

#############################
#####     VM:   vm2     #####
#############################

Disk: {
	Name:vm2_Disk1,
	Id:bcfd632b-c2b3-46cf-a4af-02aa622b61fd,
	Status: OK,
	Image:d5790064-3db8-44a9-a231-c62a7d673e0c,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:200704,
		Total:200704,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm2_Disk1,
	Id:8308d03d-fd5f-451f-928b-03ddbebe7ffc,
	Status: OK,
	Image:8478d5e7-2ea3-4faf-89b2-002086cd7b64,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:200704,
		Total:200704,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm2_Disk1,
	Id:e1dddb9b-0d2c-47e0-8e8e-83925476db75,
	Status: OK,
	Image:4590a61a-7e92-4abd-bfbe-d4d26a762822,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:200704,
		Total:200704,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm2_Disk1,
	Id:6c2cf237-abdb-4add-adc1-880b27164839,
	Status: OK,
	Image:b36436e3-4c69-4210-a140-59b66e4a456a,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:200704,
		Total:200704,
		Provisioned: 2147483648
	}
}

Disk: {
	Name:vm2_Disk1,
	Id:fc5a663c-520e-4139-85fb-d7c2fffb3bd1,
	Status: OK,
	Image:17ecb293-ca86-4e45-9670-7c60a00c00b3,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:200704,
		Total:200704,
		Provisioned: 2147483648
	}
}

Disk: {
	Name:vm2_Disk1,
	Id:8149fdea-20dd-4b31-9e24-e354c01c83c2,
	Status: OK,
	Image:a3442a6b-5650-4209-a341-da281029cec1,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:200704,
		Total:200704,
		Provisioned: 2147483648
	}
}


DiskAttachment: {
	Name:null,
	Id:bcfd632b-c2b3-46cf-a4af-02aa622b61fd,
	Disk:bcfd632b-c2b3-46cf-a4af-02aa622b61fd
	Interface:VIRTIO_SCSI,
	Boot:true,
	Activo:true,
	Vm: e3a4cc8c-51a0-49b7-aae1-3b72f77e4ff6
}

DiskAttachment: {
	Name:null,
	Id:8308d03d-fd5f-451f-928b-03ddbebe7ffc,
	Disk:8308d03d-fd5f-451f-928b-03ddbebe7ffc
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: e3a4cc8c-51a0-49b7-aae1-3b72f77e4ff6
}

DiskAttachment: {
	Name:null,
	Id:e1dddb9b-0d2c-47e0-8e8e-83925476db75,
	Disk:e1dddb9b-0d2c-47e0-8e8e-83925476db75
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: e3a4cc8c-51a0-49b7-aae1-3b72f77e4ff6
}

DiskAttachment: {
	Name:null,
	Id:6c2cf237-abdb-4add-adc1-880b27164839,
	Disk:6c2cf237-abdb-4add-adc1-880b27164839
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: e3a4cc8c-51a0-49b7-aae1-3b72f77e4ff6
}

DiskAttachment: {
	Name:null,
	Id:fc5a663c-520e-4139-85fb-d7c2fffb3bd1,
	Disk:fc5a663c-520e-4139-85fb-d7c2fffb3bd1
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: e3a4cc8c-51a0-49b7-aae1-3b72f77e4ff6
}

DiskAttachment: {
	Name:null,
	Id:8149fdea-20dd-4b31-9e24-e354c01c83c2,
	Disk:8149fdea-20dd-4b31-9e24-e354c01c83c2
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: e3a4cc8c-51a0-49b7-aae1-3b72f77e4ff6
}

##################################
#####     VM:   vm1Clone     #####
##################################

Disk: {
	Name:vm1_Disk3_vm1Clone,
	Id:0b7cea79-f22b-46eb-8ec5-4b57512bdd74,
	Status: OK,
	Image:2c64b7ec-b2e4-4a9a-9a52-242fe29408d8,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: false,
	Sizes:{
		Initial:null,
		Actual:1073741824,
		Total:1073741824,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm1_Disk2_vm1Clone,
	Id:14242c5a-3d26-4c88-a494-77d2d4a50ef7,
	Status: OK,
	Image:8a1b1179-72d4-4a8a-8549-5f01046e80e4,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: false,
	Sizes:{
		Initial:null,
		Actual:1073741824,
		Total:1073741824,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm1_Disk5_vm1Clone,
	Id:82f18cdb-f083-4825-9b3a-a2fe8e93a41f,
	Status: OK,
	Image:8f375b73-7c8d-4e5c-a31a-21d1961d6b65,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: false,
	Sizes:{
		Initial:null,
		Actual:2147483648,
		Total:2147483648,
		Provisioned: 2147483648
	}
}

Disk: {
	Name:vm1_Disk1_vm1Clone,
	Id:78fcb227-73be-46df-81fb-86e68e6cff85,
	Status: OK,
	Image:981b5b6a-217a-44da-9a35-9a888ad2c52e,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:0,
		Total:0,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm1_Disk6_vm1Clone,
	Id:b505ac54-7320-4178-b4b1-2cdaa30bccd5,
	Status: OK,
	Image:48ca68c8-0d22-4317-9520-96f2774e541b,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: false,
	Sizes:{
		Initial:null,
		Actual:2147483648,
		Total:2147483648,
		Provisioned: 2147483648
	}
}

Disk: {
	Name:vm1_Disk4_vm1Clone,
	Id:a3dd34d8-f0f8-4ff2-ab73-808dc242bed7,
	Status: OK,
	Image:2ae2b07b-6290-460a-a971-41d4b446d9de,
	Format:RAW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: false,
	Sizes:{
		Initial:null,
		Actual:2147483648,
		Total:2147483648,
		Provisioned: 2147483648
	}
}





DiskAttachment: {
	Name:null,
	Id:0b7cea79-f22b-46eb-8ec5-4b57512bdd74,
	Disk:0b7cea79-f22b-46eb-8ec5-4b57512bdd74
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 07552a2e-54a6-4339-ba78-c6e4c2ae3bc5
}

DiskAttachment: {
	Name:null,
	Id:14242c5a-3d26-4c88-a494-77d2d4a50ef7,
	Disk:14242c5a-3d26-4c88-a494-77d2d4a50ef7
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 07552a2e-54a6-4339-ba78-c6e4c2ae3bc5
}

DiskAttachment: {
	Name:null,
	Id:82f18cdb-f083-4825-9b3a-a2fe8e93a41f,
	Disk:82f18cdb-f083-4825-9b3a-a2fe8e93a41f
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 07552a2e-54a6-4339-ba78-c6e4c2ae3bc5
}

DiskAttachment: {
	Name:null,
	Id:78fcb227-73be-46df-81fb-86e68e6cff85,
	Disk:78fcb227-73be-46df-81fb-86e68e6cff85
	Interface:VIRTIO_SCSI,
	Boot:true,
	Activo:true,
	Vm: 07552a2e-54a6-4339-ba78-c6e4c2ae3bc5
}

DiskAttachment: {
	Name:null,
	Id:b505ac54-7320-4178-b4b1-2cdaa30bccd5,
	Disk:b505ac54-7320-4178-b4b1-2cdaa30bccd5
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 07552a2e-54a6-4339-ba78-c6e4c2ae3bc5
}

DiskAttachment: {
	Name:null,
	Id:a3dd34d8-f0f8-4ff2-ab73-808dc242bed7,
	Disk:a3dd34d8-f0f8-4ff2-ab73-808dc242bed7
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 07552a2e-54a6-4339-ba78-c6e4c2ae3bc5
}
2020-01-09 17:56:44,283 [main] INFO  (ManualTests.java:116) - FIN
2020-01-09 17:56:44,283 [main] INFO  (ManualTests.java:118) - Adjuntamos los disks Snapshot

#############################
#####     VM:   vm1     #####
#############################

Disk: {
	Name:vm1_Disk1,
	Id:e438b744-b945-48a2-91ea-ea172821aef0,
	Status: OK,
	Image:4c49152b-8212-43f7-a172-0211bbab0598,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:200704,
		Total:200704,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm1_Disk2,
	Id:b61bfce6-3d76-448a-b91a-b40fc5468ed6,
	Status: OK,
	Image:66a10a16-efe1-475d-af11-fd73472f6a4c,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:1073741824,
		Total:2147483648,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm1_Disk4,
	Id:1d6fb62c-8503-4548-b580-e376c37f7da8,
	Status: OK,
	Image:2414e709-bd3d-41f0-804e-e4d8809a314e,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:1073741824,
		Total:3221225472,
		Provisioned: 2147483648
	}
}

Disk: {
	Name:vm1_Disk6,
	Id:ab234564-256d-47f3-bd14-2fe473eb3aaa,
	Status: OK,
	Image:1046cd6e-32df-47c1-868f-042cc08cfa96,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:1073741824,
		Total:3221225472,
		Provisioned: 2147483648
	}
}

Disk: {
	Name:vm1_Disk3,
	Id:4d6a214d-8ab5-46f4-a1c6-06fb8edb1912,
	Status: OK,
	Image:9e3eb78c-8baa-484e-9b25-c95b83c1c5df,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:1073741824,
		Total:2147483648,
		Provisioned: 1073741824
	}
}

Disk: {
	Name:vm1_Disk5,
	Id:7d1496f2-6376-4f3b-8106-fa17ba036a3d,
	Status: OK,
	Image:cbfb76db-91d3-4af3-8adf-46033fa3bf4a,
	Format:COW,
	WipeAfterDelete: false,
	Shareable: false,
	Sparse: true,
	Sizes:{
		Initial:null,
		Actual:1073741824,
		Total:3221225472,
		Provisioned: 2147483648
	}
}







DiskAttachment: {
	Name:null,
	Id:e438b744-b945-48a2-91ea-ea172821aef0,
	Disk:e438b744-b945-48a2-91ea-ea172821aef0
	Interface:VIRTIO_SCSI,
	Boot:true,
	Activo:true,
	Vm: 0f656e07-3684-4c49-85ed-1f0aabebe81b
}

DiskAttachment: {
	Name:null,
	Id:b61bfce6-3d76-448a-b91a-b40fc5468ed6,
	Disk:b61bfce6-3d76-448a-b91a-b40fc5468ed6
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 0f656e07-3684-4c49-85ed-1f0aabebe81b
}

DiskAttachment: {
	Name:null,
	Id:1d6fb62c-8503-4548-b580-e376c37f7da8,
	Disk:1d6fb62c-8503-4548-b580-e376c37f7da8
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 0f656e07-3684-4c49-85ed-1f0aabebe81b
}

DiskAttachment: {
	Name:null,
	Id:ab234564-256d-47f3-bd14-2fe473eb3aaa,
	Disk:ab234564-256d-47f3-bd14-2fe473eb3aaa
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 0f656e07-3684-4c49-85ed-1f0aabebe81b
}

DiskAttachment: {
	Name:null,
	Id:4d6a214d-8ab5-46f4-a1c6-06fb8edb1912,
	Disk:4d6a214d-8ab5-46f4-a1c6-06fb8edb1912
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 0f656e07-3684-4c49-85ed-1f0aabebe81b
}

DiskAttachment: {
	Name:null,
	Id:7d1496f2-6376-4f3b-8106-fa17ba036a3d,
	Disk:7d1496f2-6376-4f3b-8106-fa17ba036a3d
	Interface:VIRTIO_SCSI,
	Boot:false,
	Activo:true,
	Vm: 0f656e07-3684-4c49-85ed-1f0aabebe81b
}

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[ovirt-users] How can I link the cloned disks from a snapshot to the original disks?

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