It is true, on the slide it was understood to use this configuration. Thanks for the answer. Em sex., 26 de mar. de 2021 às 10:26, Szabo, Istvan (Agoda) < Istvan.Szabo@xxxxxxxxx> escreveu: > Makes sense what you are talking about, I had the same confusing like you, > finally went with redhat setup: > > > https://hubb.blob.core.windows.net/c2511cea-81c5-4386-8731-cc444ff806df-public/resources/Optimize%20Ceph%20object%20storage%20for%20production%20in%20multisite%20clouds.pdf > > Slide 27. > > Istvan Szabo > Senior Infrastructure Engineer > --------------------------------------------------- > Agoda Services Co., Ltd. > e: istvan.szabo@xxxxxxxxx > --------------------------------------------------- > > -----Original Message----- > From: Marcelo <raxidex@xxxxxxxxx> > Sent: Friday, March 26, 2021 7:35 PM > Cc: ceph-users@xxxxxxx > Subject: [Suspicious newsletter] Re: [Suspicious newsletter] > bucket index and WAL/DB > > This is exactly the problem, so we thought about not risking losing the > entire host by using both NVMes. > > From what I understand the bucket index data is stored in the omap, which > is stored in the block.db, making it unnecessary to create a separate OSD > for the bucket index. But I didn't find anything in the documentation about > it. > It is also unclear whether, if it is necessary to create a separate index > pool, it would be recommended to place the OSD that serves that pool with > wal / DB. > > Em qui., 25 de mar. de 2021 às 22:42, Szabo, Istvan (Agoda) < > Istvan.Szabo@xxxxxxxxx> escreveu: > > > In couple of documentation that I've read I finally made the decision > > to separate index from wal+db. > > However don't you think that the density is a bit high with 12HDD for > > 1 nvme? So if you loose nvme you actually loose your complete host and > > a lot of data movements will happen. > > > > Istvan Szabo > > Senior Infrastructure Engineer > > --------------------------------------------------- > > Agoda Services Co., Ltd. > > e: istvan.szabo@xxxxxxxxx > > --------------------------------------------------- > > > > -----Original Message----- > > From: Marcelo <raxidex@xxxxxxxxx> > > Sent: Thursday, March 25, 2021 11:15 PM > > To: ceph-users@xxxxxxx > > Subject: [Suspicious newsletter] bucket index and WAL/DB > > > > Hello everybody. > > > > I searched in several places and I couldn't find any information about > > what the best bucket index and WAL / DB organization would be. > > > > I have several hosts consisting of 12 HDDs and 2 NVMes, and currently > > one of the NVMes serves as WAL / DB for the 10 OSDs and the other NVMe > > is partitioned in two, serving as 2 OSDs to serve the S3 index pool. > > > > I saw in ceph-ansible a playbook (infrastructure-playbooks / > > lv-create.yml) that creates a division where we have an OSD living > > with a journal on the same NVMe. The problem is that in lv-vars.yaml > > used by lv-create.yml it is said that this only applies to the > > filestore. Is this correct or can I use this same structure with > bluestore? > > > > Thank you all, > > Marcelo. > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an > > email to ceph-users-leave@xxxxxxx > > > > ________________________________ > > This message is confidential and is for the sole use of the intended > > recipient(s). It may also be privileged or otherwise protected by > > copyright or other legal rules. If you have received it by mistake > > please let us know by reply email and delete it from your system. It > > is prohibited to copy this message or disclose its content to anyone. > > Any confidentiality or privilege is not waived or lost by any mistaken > > delivery or unauthorized disclosure of the message. All messages sent > > to and from Agoda may be monitored to ensure compliance with company > > policies, to protect the company's interests and to remove potential > > malware. Electronic messages may be intercepted, amended, lost or > deleted, or contain viruses. > > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an > email to ceph-users-leave@xxxxxxx > > ________________________________ > This message is confidential and is for the sole use of the intended > recipient(s). It may also be privileged or otherwise protected by copyright > or other legal rules. If you have received it by mistake please let us know > by reply email and delete it from your system. It is prohibited to copy > this message or disclose its content to anyone. Any confidentiality or > privilege is not waived or lost by any mistaken delivery or unauthorized > disclosure of the message. All messages sent to and from Agoda may be > monitored to ensure compliance with company policies, to protect the > company's interests and to remove potential malware. Electronic messages > may be intercepted, amended, lost or deleted, or contain viruses. > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
 |