[ceph-users] renamed bucket

2022-04-28 Thread Adam Witwicki
Hi list, I may have done a silly thing, I renamed a bucket and now get an error 500 when trying to access the new bucket, The command used was radosgw-admin bucket link --bucket=oldbucket --bucket-new-name=newbucket --uid user ceph version 16.2.7 (dd0603118f56ab514f133c8d2e3adfc983942503) paci

[ceph-users] Re: Recommendations on books

2022-04-28 Thread Janne Johansson
Den ons 27 apr. 2022 kl 20:32 skrev David Orman : > experience one way or another). Just spin up 3 VMs with a few virtual > disks, and do a deployment! Just don't make the disks ridiculously small, noone tests if 5.59G or 6.01G is the absolute minimum to start an OSD (or 10, or 13G..) so give them

[ceph-users] Re: RGW: max number of shards per bucket index

2022-04-28 Thread Casey Bodley
On Tue, Apr 26, 2022 at 5:25 AM Cory Snyder wrote: > > Thanks for your input, Casey! Your response seems to align with my mental > model. > > It makes sense that choosing the number of bucket index shards > involves a tradeoff between write parallelism and bucket listing > performance. Your point

[ceph-users] Re: cephfs hangs on writes

2022-04-28 Thread Xiubo Li
Hi Vladimir, The attachments seems empty ? -- Xiubo On 4/27/22 3:40 AM, Vladimir Brik wrote: I am attaching MDS log with debug set to 25 of a time period (few seconds' worth) during which a dd command got stuck (it never got unstuck) and resulted in an empty file. I am guessing it was able t

[ceph-users] Re: cephfs hangs on writes

2022-04-28 Thread Xiubo Li
On 4/29/22 5:17 AM, Vladimir Brik wrote: Some new information: It looks like the hang happens at the 4194304 byte boundary. For example: `dd if=/dev/zero of=zero bs=4194304 count=1` succeeds, but `dd if=/dev/zero of=zero bs=4194305 count=1` hangs with an empty file. If bs is set lower, e.g. 8

[ceph-users] Re: Recommendations on books

2022-04-28 Thread York Huang
IIRC, 10 GiB is the minimum OSD size required by Ceph Nautilus.     -- Original -- From:  "Janne Johansson"