So before you have any data, how you can calculate? Like I have 360TB free space, for this how much should be the imdex pool. Istvan Szabo Senior Infrastructure Engineer --------------------------------------------------- Agoda Services Co., Ltd. e: istvan.szabo@xxxxxxxxx<mailto:istvan.szabo@xxxxxxxxx> --------------------------------------------------- On 2021. Jul 15., at 13:24, Konstantin Shalygin <k0ste@xxxxxxxx> wrote: What you mean? You can check pool usage via 'ceph df detail' output Sent from my iPhone On 15 Jul 2021, at 07:53, Szabo, Istvan (Agoda) <Istvan.Szabo@xxxxxxxxx> wrote: How can I know which size of the nvme drive needed for my index pool? At the moment I'm using 6x1.92TB NVME (overkill) but I have no idea how is it used. ________________________________ 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