Hi Vivek Which part of XCP xen better then KVM ? Performance ? Is tht NFS for XCP also ?
On Fri, Oct 29, 2021 at 4:14 PM Vivek Kumar <[email protected]> wrote: > I have been using GFS2 with shared mount point in production KVM since > long, Trust me you need to have an expert to manage your whole cluster > otherwise it becomes very hard to manage, NFS works pretty fine with KVM, > if you are planning to use ISCSi or FC, XenServer/XCP and VMware works far > far better then KVM and very easy to manage. > > > > > Vivek Kumar > Sr. Manager - Cloud & DevOps > IndiQus Technologies > M +91 7503460090 > www.indiqus.com > > > > > > On 29-Oct-2021, at 1:14 PM, Hean Seng <[email protected]> wrote: > > > > For primitive way for NFS HA, you can consider is just using DRDB . > > > > I think is not yet supported linstor here. > > > > > > > > On Fri, Oct 29, 2021 at 2:29 PM Piotr Pisz <[email protected]> wrote: > > > >> Hi > >> > >> So we plan to use linstor in parallel to ceph as a fast resource on nvme > >> cards. > >> Its advantage is that it natively supports zfs with deduplication and > >> compression :-) > >> The test results were more than passable. > >> > >> Regards, > >> Piotr > >> > >> > >> -----Original Message----- > >> From: Mauro Ferraro - G2K Hosting <[email protected]> > >> Sent: Thursday, October 28, 2021 2:02 PM > >> To: [email protected]; Pratik Chandrakar < > >> [email protected]> > >> Subject: Re: Experience with clustered/shared filesystems based on SAN > >> storage on KVM? > >> > >> Hi, > >> > >> We are trying to make a lab with ACS 4.16 and Linstor. As soon as we > >> finish the tests we can give you some approach for the results. Are > someone > >> already try this technology?. > >> > >> Regards, > >> > >> El 28/10/2021 a las 02:34, Pratik Chandrakar escribió: > >>> Since NFS alone doesn't offer HA. What do you recommend for HA NFS? > >>> > >>> On Thu, Oct 28, 2021 at 7:37 AM Hean Seng <[email protected]> wrote: > >>> > >>>> I have similar consideration when start exploring Cloudstack , but > >>>> in reality Clustered Filesystem is not easy to maintain. You seems > >>>> have choice of OCFS or GFS2 , gfs2 is hard to maintain and in redhat > >>>> , ocfs recently only maintained in oracle linux. I believe you do > not > >> want to > >>>> choose solution that is very propriety . Thus just SAN or ISCSI o is > >> not > >>>> really a direct solution here , except you want to encapsulate it in > >>>> NFS and facing Cloudstack Storage. > >>>> > >>>> It work good on CEPH and NFS , but performance wise, NFS is better . > >>>> And all documentation and features you saw in Cloudstack , it work > >>>> perfectly on NFS. > >>>> > >>>> If you choose CEPH, may be you have to compensate with some > >>>> performance degradation, > >>>> > >>>> > >>>> > >>>> On Thu, Oct 28, 2021 at 12:44 AM Leandro Mendes > >>>> <[email protected]> > >>>> wrote: > >>>> > >>>>> I've been using Ceph in prod for volumes for some time. Note that > >>>> although > >>>>> I had several cloudstack installations, this one runs on top of > >>>>> Cinder, but it basic translates as libvirt and rados. > >>>>> > >>>>> It is totally stable and performance IMHO is enough for virtualized > >>>>> services. > >>>>> > >>>>> IO might suffer some penalization due the data replication inside > Ceph. > >>>>> Elasticsearch for instance, the degradation would be a bit worse as > >>>>> there is replication also in the application size, but IMHO, unless > >>>>> you need extreme low latency it would be ok. > >>>>> > >>>>> > >>>>> Best, > >>>>> > >>>>> Leandro. > >>>>> > >>>>> On Thu, Oct 21, 2021, 11:20 AM Brussk, Michael < > >>>> [email protected] > >>>>> wrote: > >>>>> > >>>>>> Hello community, > >>>>>> > >>>>>> today I need your experience and knowhow about clustered/shared > >>>>>> filesystems based on SAN storage to be used with KVM. > >>>>>> We need to consider about a clustered/shared filesystem based on > >>>>>> SAN storage (no NFS or iSCSI), but do not have any knowhow or > >>>>>> experience > >>>> with > >>>>>> this. > >>>>>> Those I would like to ask if there any productive used environments > >>>>>> out there based on SAN storage on KVM? > >>>>>> If so, which clustered/shared filesystem you are using and how is > >>>>>> your experience with that (stability, reliability, maintainability, > >>>>> performance, > >>>>>> useability,...)? > >>>>>> Furthermore, if you had already to consider in the past between SAN > >>>>>> storage or CEPH, I would also like to participate on your > >>>> considerations > >>>>>> and results :) > >>>>>> > >>>>>> Regards, > >>>>>> Michael > >>>>>> > >>>> > >>>> -- > >>>> Regards, > >>>> Hean Seng > >>>> > >>> > >> > >> > > > > -- > > Regards, > > Hean Seng > > -- Regards, Hean Seng
