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2018 Mar 14
3
rsync of a reflink from OCFS2
no backup - no mercy
----- On Mar 14, 2018, at 2:19 PM, Ben RUBSON ben.rubson at gmail.com wrote:
> On 14 Mar 2018, Lentes, Bernd via rsync wrote:
>
>> I would now expect a rsync from the snap would transfer just some megay
>> bytes to the file from the day before.
>> But it doesn't:
>>
>> ha-idg-1:/cluster/guests/servers_alive # time rsync -av --stats
>> sa.raw.snap /mnt/idg-2/SysAdmin_AG_Wurst/backup/cluster/test
>
> Hi Bernd,
>
> When doing rsync locally, diff alg is...
2018 Mar 14
2
rsync of a reflink from OCFS2
...115G 49G 67G 42% /cluster/guests/servers_alive
You see that just 49GB are allocated, because the source has not grown to the maximum, and the reflink occupies no space
in the beginning. Maximum size is 100GB.
I would now expect a rsync from the snap would transfer just some megay bytes to the file from the day before.
But it doesn't:
ha-idg-1:/cluster/guests/servers_alive # time rsync -av --stats sa.raw.snap /mnt/idg-2/SysAdmin_AG_Wurst/backup/cluster/test
sending incremental file list
sa.raw.snap
Number of files: 1
Number of files transferred: 1
Total file size: 1073...
2018 Mar 14
3
rsync of a reflink from OCFS2
...4 Mar 2018, Lentes, Bernd via rsync wrote:
>
>> ----- On Mar 14, 2018, at 2:19 PM, Ben RUBSON ben.rubson at gmail.com wrote:
>>
>>> On 14 Mar 2018, Lentes, Bernd via rsync wrote:
>>>
>>>> I would now expect a rsync from the snap would transfer just some megay
>>>> bytes to the file from the day before.
>>>> But it doesn't:
>>>>
>>>> ha-idg-1:/cluster/guests/servers_alive # time rsync -av --stats
>>>> sa.raw.snap /mnt/idg-2/SysAdmin_AG_Wurst/backup/cluster/test
>>>
>>> Hi B...