Ceph

12/17/2010

04:43 PM Ceph Bug #531: Journaling Causes System Hang

This is strange.
I tried a very large write.
root@cephnode01:/mnt# dd if=/dev/zero of=cephtest01 bs=1M count=1M... Bryan Tong

12:27 PM Ceph Bug #531: Journaling Causes System Hang

Okay,
I got everything updated and it appears the cluster hung right about 180GB of data written. Which was double... Bryan Tong

11:41 AM Ceph Bug #531: Journaling Causes System Hang

Just wanted to make an update.
I just got a chance to get back on the cluster today.
I have upgraded the cluste... Bryan Tong

11/23/2010

03:00 PM Ceph Bug #531: Journaling Causes System Hang

Awesome, thanks for the help. I will give these patches a shot towards the end of the week.
Thanks Bryan Tong

11/19/2010

03:52 PM Ceph Bug #531: Journaling Causes System Hang

Okay,
More updates.
1) All the VMs deployed okay but it looks like towards the end of the deployments I hit the... Bryan Tong

02:49 PM Ceph Bug #531: Journaling Causes System Hang

Okay,
I just started the deployment of 12 vms on a new cephfs with 3 osds in and ssd's for journals on all the sys... Bryan Tong

02:37 PM Ceph Bug #531: Journaling Causes System Hang

I am working on getting the output now. We are having to work on several projects at once right now. Sorry for the de... Bryan Tong

11/11/2010

05:47 PM Ceph Bug #531: Journaling Causes System Hang

Sorry I have been able to get the debug output yet. We have spent the last few days working with our production syste... Bryan Tong

11/05/2010

10:49 AM Ceph Bug #531: Journaling Causes System Hang

Hello,
1) Correct we are running transparent 10GbE
2) From what I can tell monitoring dstat across the cluster ... Bryan Tong

11/01/2010

10:29 PM Ceph Bug #531: Journaling Causes System Hang

Yeah,
I figured not running with journals wouldn't work right. As long as the block size of the writes is very lar... Bryan Tong