From andreil1 at starlett.lv Mon Feb 26 11:30:41 2018 Content-Type: multipart/mixed; boundary="===============2787687847403311197==" MIME-Version: 1.0 From: Andrei Verovski To: users at ovirt.org Subject: [ovirt-users] Q: VM disk speed penalty NFS vs Local data center storage Date: Mon, 26 Feb 2018 13:30:30 +0200 Message-ID: <2056C30C-2888-4394-A0F5-5E2DFA5716EA@starlett.lv> --===============2787687847403311197== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable --Apple-Mail=3D_C43BDBF4-3002-413D-82F4-FAC738EF31F9 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=3Dutf-8 Hi, Since oVirt doesn=3DE2=3D80=3D99t support more then 1 host in data center w= ith =3D local storage domain as described here: http://lists.ovirt.org/pipermail/users/2018-January/086118.html =3D I have to setup NFS server on node with VMs (on same node) access via =3D NFS. 10 GB shared storage is in the future plans yet right now have only 2 =3D nodes with local RAID on each. Q: What is VM disk speed penalty (approx %) NFS vs Local RAID in oVirt =3D data center storage?=3D20 Currently I have 2 VMs running our accounting/inventory control system =3D which are critical to storage performance limits. 2 other VMs have very low disk activity. Thanks in advance Andrei Verovski --Apple-Mail=3D_C43BDBF4-3002-413D-82F4-FAC738EF31F9 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=3Dutf-8 Hi,

=
Since oVirt doesn=3DE2=3D80=3D99t support more then 1 host in = data =3D center with local storage domain as described here:
http://lists.ovirt.org/pipermail/users/2018-January/086118.htm= l=3D

I have= to =3D setup NFS server on node with VMs (on same node) access via =3D NFS.
10 GB shared storage is in the future plans =3D yet right now have only 2 nodes with local RAID on each.

Q: What is VM disk sp= eed =3D penalty (approx %)  NFS vs Local RAID in oVirt data center =3D storage? 
Currently I have 2 VMs running our = =3D accounting/inventory control system which are critical to storage =3D performance limits.
2 other VMs have very low = =3D disk activity.

Thanks in advance
Andrei =3D Verovski

=3D --Apple-Mail=3D_C43BDBF4-3002-413D-82F4-FAC738EF31F9-- --===============2787687847403311197== Content-Type: multipart/alternative MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="attachment.bin" Ci0tQXBwbGUtTWFpbD1fQzQzQkRCRjQtMzAwMi00MTNELTgyRjQtRkFDNzM4RUYzMUY5CkNvbnRl bnQtVHJhbnNmZXItRW5jb2Rpbmc6IHF1b3RlZC1wcmludGFibGUKQ29udGVudC1UeXBlOiB0ZXh0 L3BsYWluOwoJY2hhcnNldD11dGYtOAoKSGksCgpTaW5jZSBvVmlydCBkb2Vzbj1FMj04MD05OXQg c3VwcG9ydCBtb3JlIHRoZW4gMSBob3N0IGluIGRhdGEgY2VudGVyIHdpdGggPQpsb2NhbCBzdG9y YWdlIGRvbWFpbiBhcyBkZXNjcmliZWQgaGVyZToKaHR0cDovL2xpc3RzLm92aXJ0Lm9yZy9waXBl cm1haWwvdXNlcnMvMjAxOC1KYW51YXJ5LzA4NjExOC5odG1sID0KPGh0dHA6Ly9saXN0cy5vdmly dC5vcmcvcGlwZXJtYWlsL3VzZXJzLzIwMTgtSmFudWFyeS8wODYxMTguaHRtbD4KCkkgaGF2ZSB0 byBzZXR1cCBORlMgc2VydmVyIG9uIG5vZGUgd2l0aCBWTXMgKG9uIHNhbWUgbm9kZSkgYWNjZXNz IHZpYSA9Ck5GUy4KMTAgR0Igc2hhcmVkIHN0b3JhZ2UgaXMgaW4gdGhlIGZ1dHVyZSBwbGFucyB5 ZXQgcmlnaHQgbm93IGhhdmUgb25seSAyID0Kbm9kZXMgd2l0aCBsb2NhbCBSQUlEIG9uIGVhY2gu CgpROiBXaGF0IGlzIFZNIGRpc2sgc3BlZWQgcGVuYWx0eSAoYXBwcm94ICUpICBORlMgdnMgTG9j YWwgUkFJRCBpbiBvVmlydCA9CmRhdGEgY2VudGVyIHN0b3JhZ2U/PTIwCkN1cnJlbnRseSBJIGhh dmUgMiBWTXMgcnVubmluZyBvdXIgYWNjb3VudGluZy9pbnZlbnRvcnkgY29udHJvbCBzeXN0ZW0g PQp3aGljaCBhcmUgY3JpdGljYWwgdG8gc3RvcmFnZSBwZXJmb3JtYW5jZSBsaW1pdHMuCjIgb3Ro ZXIgVk1zIGhhdmUgdmVyeSBsb3cgZGlzayBhY3Rpdml0eS4KClRoYW5rcyBpbiBhZHZhbmNlCkFu ZHJlaSBWZXJvdnNraQoKCi0tQXBwbGUtTWFpbD1fQzQzQkRCRjQtMzAwMi00MTNELTgyRjQtRkFD NzM4RUYzMUY5CkNvbnRlbnQtVHJhbnNmZXItRW5jb2Rpbmc6IHF1b3RlZC1wcmludGFibGUKQ29u dGVudC1UeXBlOiB0ZXh0L2h0bWw7CgljaGFyc2V0PXV0Zi04Cgo8aHRtbD48aGVhZD48bWV0YSBo dHRwLWVxdWl2PTNEIkNvbnRlbnQtVHlwZSIgY29udGVudD0zRCJ0ZXh0L2h0bWw7ID0KY2hhcnNl dD0zRHV0Zi04Ij48L2hlYWQ+PGJvZHkgc3R5bGU9M0Qid29yZC13cmFwOiBicmVhay13b3JkOyA9 Ci13ZWJraXQtbmJzcC1tb2RlOiBzcGFjZTsgbGluZS1icmVhazogYWZ0ZXItd2hpdGUtc3BhY2U7 IiA9CmNsYXNzPTNEIiI+SGksPGRpdiBjbGFzcz0zRCIiPjxiciBjbGFzcz0zRCIiPjwvZGl2Pjxk aXYgY2xhc3M9M0QiIj48ZGl2ID0KY2xhc3M9M0QiIj5TaW5jZSBvVmlydCBkb2Vzbj1FMj04MD05 OXQgc3VwcG9ydCBtb3JlIHRoZW4gMSBob3N0IGluIGRhdGEgPQpjZW50ZXIgd2l0aCBsb2NhbCBz dG9yYWdlIGRvbWFpbiBhcyBkZXNjcmliZWQgaGVyZTo8L2Rpdj48ZGl2ID0KY2xhc3M9M0QiIj48 YSA9CmhyZWY9M0QiaHR0cDovL2xpc3RzLm92aXJ0Lm9yZy9waXBlcm1haWwvdXNlcnMvMjAxOC1K YW51YXJ5LzA4NjExOC5odG1sIiA9CmNsYXNzPTNEIiI+aHR0cDovL2xpc3RzLm92aXJ0Lm9yZy9w aXBlcm1haWwvdXNlcnMvMjAxOC1KYW51YXJ5LzA4NjExOC5odG1sPQo8L2E+PC9kaXY+PGRpdiBj bGFzcz0zRCIiPjxiciBjbGFzcz0zRCIiPjwvZGl2PjxkaXYgY2xhc3M9M0QiIj5JIGhhdmUgdG8g PQpzZXR1cCBORlMgc2VydmVyIG9uIG5vZGUgd2l0aCBWTXMgKG9uIHNhbWUgbm9kZSkgYWNjZXNz IHZpYSA9Ck5GUy48L2Rpdj48ZGl2IGNsYXNzPTNEIiI+MTAgR0Igc2hhcmVkIHN0b3JhZ2UgaXMg aW4gdGhlIGZ1dHVyZSBwbGFucyA9CnlldCByaWdodCBub3cgaGF2ZSBvbmx5IDIgbm9kZXMgd2l0 aCBsb2NhbCBSQUlEIG9uIGVhY2guPC9kaXY+PGRpdiA9CmNsYXNzPTNEIiI+PGJyIGNsYXNzPTNE IiI+PC9kaXY+PGRpdiBjbGFzcz0zRCIiPlE6IFdoYXQgaXMgVk0gZGlzayBzcGVlZCA9CnBlbmFs dHkgKGFwcHJveCAlKSAmbmJzcDtORlMgdnMgTG9jYWwgUkFJRCBpbiBvVmlydCBkYXRhIGNlbnRl ciA9CnN0b3JhZ2U/Jm5ic3A7PC9kaXY+PGRpdiBjbGFzcz0zRCIiPkN1cnJlbnRseSBJIGhhdmUg MiBWTXMgcnVubmluZyBvdXIgPQphY2NvdW50aW5nL2ludmVudG9yeSBjb250cm9sIHN5c3RlbSB3 aGljaCBhcmUgY3JpdGljYWwgdG8gc3RvcmFnZSA9CnBlcmZvcm1hbmNlIGxpbWl0cy48L2Rpdj48 L2Rpdj48ZGl2IGNsYXNzPTNEIiI+MiBvdGhlciBWTXMgaGF2ZSB2ZXJ5IGxvdyA9CmRpc2sgYWN0 aXZpdHkuPC9kaXY+PGRpdiBjbGFzcz0zRCIiPjxiciBjbGFzcz0zRCIiPjwvZGl2PjxkaXYgPQpj bGFzcz0zRCIiPlRoYW5rcyBpbiBhZHZhbmNlPC9kaXY+PGRpdiBjbGFzcz0zRCIiPkFuZHJlaSA9 ClZlcm92c2tpPC9kaXY+PGRpdiBjbGFzcz0zRCIiPjxiciBjbGFzcz0zRCIiPjwvZGl2PjwvYm9k eT48L2h0bWw+PQoKLS1BcHBsZS1NYWlsPV9DNDNCREJGNC0zMDAyLTQxM0QtODJGNC1GQUM3MzhF RjMxRjktLQo= --===============2787687847403311197==--