search for: servers_alive

...s (in Oracle terms a reflink) has immediately after creation also the maximum size. Indeed it allocates at the creation no disk space, and grows with changes in the source file (COW). A reflink shares in the beginning the sectors with the source file. Just to illustrate: ha-idg-1:/cluster/guests/servers_alive # ls -ls total 47409860 0 drwxr-xr-x 2 root root 3896 Mar 13 13:25 lost+found 47409860 -rwxr-xr-x 1 root root 107374182400 Mar 14 10:57 sa.raw ha-idg-1:/cluster/guests/servers_alive # reflink -v sa.raw sa.raw.snap `sa.raw.snap' => `sa.raw' ha-idg-1:/cluster/guests/server...

...n 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 not involved, this is why file is > fully transferred. > > Ben Hi Ben, also when the target is a cifs share, it's stil...

...n 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 not involved, this is why file is >>> fully transferred. >>> >>> Ben...

Hi, i asked already a time ago about snapshots. I have some guests, each resides in a raw file, placed on an ext3 fs which is on top of a logical volume, for each guest a dedicated lv. The raw is not a "must have", if there are obvious reasons i can convert them to a qcow2. What i want is a consistent backup of each guest taken overnight. If possible i won't have downtime. I can use