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lun: try to recovery the config from the LIO #254

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@lxbsz lxbsz commented Mar 7, 2022

If the LIO exists but the config doesn't, it will only add a disk
item with "created":

"rbd/blockX1": {
"created": "2022/02/22 11:23:12",
}

We can recovery the config from LIO instead of just append a corrupted
disk item.

In all the other fail path we should delete the corrupted disk
item.

Signed-off-by: Xiubo Li xiubli@redhat.com

If the LIO exists but the config doesn't, it will only add a disk
item with "created":

"rbd/blockX1": {
    "created": "2022/02/22 11:23:12",
}

We can recovery the config from LIO instead of just append a corrupted
disk item.

In all the other fail path we should delete the corrupted disk
item.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
We can update the sub item only for 'disks'

Signed-off-by: Xiubo Li <xiubli@redhat.com>
When one gateway have recovered the config from the rbd image and
LIO device, the image size may have changed, so in other gateways
we need to update the size in LIO device.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
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