> 在 2021年3月23日，13:12，duluxoz <dulu...@gmail.com> 写道： > > Hi All, > > I've got a new issue (hopefully this one will be the last). > > I have a working Ceph (Octopus) cluster with a replicated pool (my-pool), an > erasure-coded pool (my-pool-data), and an image (my-image) created - all > *seems* to be working correctly. I also have the correct Keyring specified > (ceph.client.my-id.keyring). > > ceph -s is reporting all healthy. > > The ec profile (my-ec-profile) was created with: ceph osd > erasure-code-profile set my-ec-profile k=4 m=2 crush-failure-domain=host > > The replicated pool was created with: ceph osd pool create my-pool 100 100 > replicated > > Followed by: rbd pool init my-pool > > The ec pool was created with: ceph osd pool create my-pool-data 100 100 > erasure my-ec-profile --autoscale-mode=on > > Followed by: rbd pool init my-pool-data > > The image was created with: rbd create -s 1T --data-pool my-pool-data > my-pool/my-image > > The Keyring was created with: ceph auth get-or-create client.my-id mon > 'profile rbd' osd 'profile rbd pool=my-pool' mgr 'profile rbd pool=my-pool' > -o /etc/ceph/ceph.client.my-id.keyring > > On a centos8 client machine I have installed ceph-common, placed the Keyring > file into /etc/ceph/, and run the command: rbd device map my-pool/my-image > --id my-id > > All *seems* AOK. > > However - and here's my issue - when I try to create a partition on /dev/rbd0 > and/or try to mount it, the client reports: fdisk: cannot open /dev/rbd0: > Input/output error OR mount: /my-rbd-bloc-device: special device /dev/rbd0 > does not exist (respectively).
Hi Matthew, I’m curious about why do you want to create a partition on an RBD device? You can directly run mkfs on /dev/rbd0. If you want multiple partition, then why not just create multiple RBD images. Weiwen Hu > What am I doing wrong? > > Thanks in advance for the help > > Matthew J > > -- > Peregrine IT Signature > > *Matthew J BLACK* > M.Inf.Tech.(Data Comms) > MBA > B.Sc. > MACS (Snr), CP, IP3P > > When you want it done /right/ ‒ the first time! > > Phone: +61 4 0411 0089 > Email: matt...@peregrineit.net <mailto:matt...@peregrineit.net> > Web: > https://apac01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.peregrineit.net%2F&data=04%7C01%7C%7Caaa4d53b556f4fc8879108d8edba504f%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637520731756216902%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=%2BR%2Fw9dWpPrC6%2BEF4HfqtD9ewJXrcPtkTDjDvZk%2BazZk%3D&reserved=0 > > <https://apac01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.peregrineit.net%2F&data=04%7C01%7C%7Caaa4d53b556f4fc8879108d8edba504f%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637520731756226854%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=IuEFPF0yiVz%2FWtFdIZNRScCAiv58F2vexd2QHoiZyig%3D&reserved=0> > > View Matthew J BLACK's profile on LinkedIn > <https://apac01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fau.linkedin.com%2Fin%2Fmjblack&data=04%7C01%7C%7Caaa4d53b556f4fc8879108d8edba504f%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637520731756226854%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=1tAGWbqyL9OBukuO3e3cshEq%2B%2BmyPf0Vccjt%2F0EuzTY%3D&reserved=0> > > This Email is intended only for the addressee. Its use is limited to that > intended by the author at the time and it is not to be distributed without > the author’s consent. You must not use or disclose the contents of this > Email, or add the sender’s Email address to any database, list or mailing > list unless you are expressly authorised to do so. Unless otherwise stated, > Peregrine I.T. Pty Ltd accepts no liability for the contents of this Email > except where subsequently confirmed in writing. The opinions expressed in > this Email are those of the author and do not necessarily represent the views > of Peregrine I.T. Pty Ltd. This Email is confidential and may be subject to > a claim of legal privilege. > > If you have received this Email in error, please notify the author and delete > this message immediately. > > _______________________________________________ > ceph-users mailing list -- ceph-users@ceph.io > To unsubscribe send an email to ceph-users-le...@ceph.io _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
