Re: [ceph-users] Object creation in librbd

2016-07-12 Thread Mansour Shafaei Moghaddam
hs can result in > a bottleneck here. > [4] librados AIO callbacks are currently single-threaded so high queue > depths can result in a bottleneck here. > > > On Tue, Jul 12, 2016 at 3:42 AM, Wido den Hollander <w...@42on.com> wrote: > >> >> > Op 12 juli 201

[ceph-users] Object creation in librbd

2016-07-11 Thread Mansour Shafaei Moghaddam
Can anyone explain or at least refer to the lines of the codes in librd by which objects are created? I need to know the relation between objects and fio's iodepth... Thanks in advance ___ ceph-users mailing list ceph-users@lists.ceph.com

Re: [ceph-users] Fio randwrite does not work on Centos 7.2 VM

2016-06-15 Thread Mansour Shafaei Moghaddam
; There should be a line in the log specifying which assert is failing , > post that along with say 10 lines from top of that.. > > > > Thanks & Regards > > Somnath > > > > *From:* ceph-users [mailto:ceph-users-boun...@lists.ceph.com] *On Behalf > Of *Mansour Shafaei

[ceph-users] Fio randwrite does not work on Centos 7.2 VM

2016-06-15 Thread Mansour Shafaei Moghaddam
Hi All, Has anyone faced a similar issue? I do not have a problem with random read, sequential read, and sequential writes though. Everytime I try running fio for random writes, one osd in the cluster crashes. Here is the what I see at the tail of the log: ceph version 0.94.6

[ceph-users] Issue in creating keyring using cbt.py on a cluster of VMs

2016-06-09 Thread Mansour Shafaei Moghaddam
Running ./cbt.py commands step by step on a cluster of VMs with Centos 7.2 image on them realized that the following step does not go through: pdsh -R ssh -w root@vm10 ceph-authtool --create-keyring --gen-key --name=mon. /tmp/cbt/ceph/keyring --cap mon 'allow *'ceph-authtool I particularly see