Here is another thing I noticed. - have a VM with a volume snapshots - Expunge the VM so the disk is removed also - check the Secondary Storage - backup still remains.
Does anyone knows if Cloudstack does a cleanup later or the orphaned backups will remain? Regards, Jordan -----Original Message----- From: benoit lair <kurushi4...@gmail.com> Sent: Tuesday, October 19, 2021 1:22 PM To: users@cloudstack.apache.org Subject: Re: Size of the snapshots volume [X] This message came from outside your organization Hello Yordan, I had same results with xcp-ng 8.2 and ACS 4.15.1 The max filled during the life of the disk will be the size of the snapshot That's why i looking towards SDS with a solution giving me possibility to do some thin provisionning with XCP-NG I was thinking about an SDS which could give me block storage or at least file storage and acting as a proxy between my iscsi array and my xcp-ng Linstor could be a solution, but for the moment i don't know if the plugin will be compatible with xcp-ng Regards, Benoit Le mar. 19 oct. 2021 à 11:46, Yordan Kostov <yord...@nsogroup.com> a écrit : > Hello Benoit, > > Here are some results - 4.15.2 + XCP-NG. I made 2 VMs from > template - Centos 7, 46 GB hdd, 4% full > - VM1 - root disk is as full as template. > - VM2 - root disk is made full up to ~90% ( cat /dev/zero > > test_file1 )then the file was removed so the used space is again 4%. > - scheduled backup goes through both VMs. First snapshot size is > - VM1 - 2.3G > - VM2 - 41G > - Then on VM2 this script was run to fill and empty the disk > again > - cat /dev/zero > /opt/test_file1; sync; rm /opt/ test_file1. > - scheduled backup goes through both VMs. All snapshots size is: > - VM1 - 2.3G > - VM2 - 88G > > Once the disk is filled you will get a snapshot with size no > less than the size of the whole disk. > May be there is a way to shrink it but I could not find it. > > Best regards, > Jordan > > -----Original Message----- > From: Yordan Kostov <yord...@nsogroup.com> > Sent: Tuesday, October 12, 2021 3:58 PM > To: users@cloudstack.apache.org > Subject: RE: Size of the snapshots volume > > > [X] This message came from outside your organization > > > Hello Benoit, > > Unfortunately no. > When I do it I will make sure to drop a line here. > > Best regards, > Jordan > > -----Original Message----- > From: benoit lair <kurushi4...@gmail.com> > Sent: Tuesday, October 12, 2021 3:40 PM > To: users@cloudstack.apache.org > Subject: Re: Size of the snapshots volume > > > [X] This message came from outside your organization > > > Hello Jordan, > > Could you proceed to your tests ? Have you got the same results ? > > Regards, Benoit Lair > > Le lun. 4 oct. 2021 à 17:59, Yordan Kostov <yord...@nsogroup.com> a > écrit > : > > > Here are a few considerations: > > > > - First snapshot of volume is always full snap. > > - XenServer/XCP-NG backups are always thin. > > - Thin provisioning calculations never go down. Even if you delete > > data from disk. > > > > As you filled the disk of the VM to top the thin provisioning > > threats it as full VM from that moment on even if data is deleted. > > So the full snap that will be migrated to NFS will always be of max size. > > > > I am not 100% certain as I am yet to start running backup tests. > > > > Best regards, > > Jordan > > > > -----Original Message----- > > From: Florian Noel <f.n...@webetsolutions.com> > > Sent: Monday, October 4, 2021 6:22 PM > > To: 'users@cloudstack.apache.org' <users@cloudstack.apache.org> > > Subject: Size of the snapshots volume > > > > > > [X] This message came from outside your organization > > > > > > Hi, > > > > I've a question about the snapshots volume in Cloudstack > > > > When we take a snapshot of a volume, this create a VHD file on the > > secondary storage. > > Snapshot size doesn't match volume size used. > > > > Imagine a volume of 20GB, we fill the volume and empty it just after. > > We take a snapshot of the volume from Cloudstack frontend and its > > size is 20GB on the secondary storage while the volume is empty. > > > > We've made the same test with volume provisioning in thin, sparse > > and > fat. > > The results are the same. > > > > We use Cloudstack 4.15.1 with XCP-NG 8.1. The LUNs are connected in > > iSCSI on the hypervisors XCP. > > > > Thanks for your help. > > > > Best regards. > > > > > > [Logo Web et Solutions]< > > https://urldefense.com/v3/__https://cloud.letsignit.com/collect/bc/6 > > 0e > > 5c62f48323abd316580a3?p=NCQXXscJv3N-mDjmqdZzYH59ppVbYP3afFkR7SxQ1JaS > > _e > > v9TYs06R5yG_cSPe6tLuS3Bgn1EjTO39P6hIWtNhqUZ5n-wh878kG0mKc-TDzCgMKxZA > > oq > > vlt4NqCVlovo0bn9PcMUWFMak1jGIGRgGg==__;!!A6UyJA!zYKJBkzZPANfqT6kPkY_ > > Mf o8xu_hnCJDzEIYjPMOvqs3MwyZUs0N9FX1Ln1zICtHKJKHCye42DjJ$ > > > > > > > [Facebook]< > > https://urldefense.com/v3/__https://cloud.letsignit.com/collect/bc/6 > > 0e > > 5c62f48323abd316580a3?p=NCQXXscJv3N-mDjmqdZzYH59ppVbYP3afFkR7SxQ1JaS > > _e > > v9TYs06R5yG_cSPe6tLuS3Bgn1EjTO39P6hIWtNhqUZ5n-wh878kG0mKc-TDyIo6EwBs > > kR > > 6pg3M12nuwExu8D-tkYDv5BE1h2dA1rTOfbHIEta8XTaUC0Et-KgDBM=__;!!A6UyJA! > > zY > > KJBkzZPANfqT6kPkY_Mfo8xu_hnCJDzEIYjPMOvqs3MwyZUs0N9FX1Ln1zICtHKJKHC9 > > _z > > SGk3$ > > > > > > > [Twitter]< > > https://urldefense.com/v3/__https://cloud.letsignit.com/collect/bc/6 > > 0e > > 5c62f48323abd316580a3?p=NCQXXscJv3N-mDjmqdZzYH59ppVbYP3afFkR7SxQ1JaS > > _e > > v9TYs06R5yG_cSPe6tLuS3Bgn1EjTO39P6hIWtNhqUZ5n-wh878kG0mKc-TDxVGISVA_ > > Rn > > Jl21WVuzHCTH_v3e4PfK5YBq_Q228Kqxog==__;!!A6UyJA!zYKJBkzZPANfqT6kPkY_ > > Mf o8xu_hnCJDzEIYjPMOvqs3MwyZUs0N9FX1Ln1zICtHKJKHC36OFkHl$ > > > > > > > [LinkedIn]< > > https://urldefense.com/v3/__https://cloud.letsignit.com/collect/bc/6 > > 0e > > 5c62f48323abd316580a3?p=NCQXXscJv3N-mDjmqdZzYH59ppVbYP3afFkR7SxQ1JaS > > _e > > v9TYs06R5yG_cSPe6tLuS3Bgn1EjTO39P6hIWtNhqUZ5n-wh878kG0mKc-TDz5UNyOTE > > m_ > > EvRFXdshn5-xaylm0Ysa1fuL9vCg5uDKfouGPQSgwbQq28Nl7_fXFIA=__;!!A6UyJA! > > zY > > KJBkzZPANfqT6kPkY_Mfo8xu_hnCJDzEIYjPMOvqs3MwyZUs0N9FX1Ln1zICtHKJKHCz > > zS > > Dj-d$ > > > > > > > [Youtube]< > > https://urldefense.com/v3/__https://cloud.letsignit.com/collect/bc/6 > > 0e > > 5c62f48323abd316580a3?p=NCQXXscJv3N-mDjmqdZzYH59ppVbYP3afFkR7SxQ1JaS > > _e > > v9TYs06R5yG_cSPe6tLuS3Bgn1EjTO39P6hIWtNhqUZ5n-wh878kG0mKc-TDyEop3qI2 > > i2 > > HFrm2U65Sd5oXm55IjnZsXt1s4eREvsJGMpsgNaX2L3OdByrUM3b4Xg=__;!!A6UyJA! > > zY > > KJBkzZPANfqT6kPkY_Mfo8xu_hnCJDzEIYjPMOvqs3MwyZUs0N9FX1Ln1zICtHKJKHC3 > > f1 > > vTjU$ > > > > > > > Florian Noel > > > > Administrateur Systèmes Et Réseaux > > > > [ > > https://urldefense.com/v3/__https://storage.letsignit.com/icons/desi > > gn > > er/v2/phone-1.png__;!!A6UyJA!zYKJBkzZPANfqT6kPkY_Mfo8xu_hnCJDzEIYjPM > > Ov qs3MwyZUs0N9FX1Ln1zICtHKJKHCxqW91pG$ > > ] 02 35 78 11 90 > > > > 705 Avenue Isaac Newton > > > > 76800 Saint-Etienne-Du-Rouvray > > > > [Payneo]< > > https://urldefense.com/v3/__https://cloud.letsignit.com/collect/b/60 > > ed > > 92296e8c02bf93d4f9aa?p=NCQXXscJv3N-mDjmqdZzYH59ppVbYP3afFkR7SxQ1JaS_ > > ev > > 9TYs06R5yG_cSPe6tLuS3Bgn1EjTO39P6hIWtNhqUZ5n-wh878kG0mKc-TDx4rIKe6rk > > 37 > > 4sFS07v0YLIvIF68SXTHzNmGDb3XO6dLQ==__;!!A6UyJA!zYKJBkzZPANfqT6kPkY_M > > fo 8xu_hnCJDzEIYjPMOvqs3MwyZUs0N9FX1Ln1zICtHKJKHCyft4U9I$ > > > > > > > > > > > >
