Hi Experts,For my new ceph cluster, my existing storage nodes have Smart Array
Raid Controller P420i (HP G8). I have 6 Enterprise-SSD Disks for every storage
Node.From your experiences, activating HBA Mode is better than Raid 0 or not?I
know that Raid Controller and Raid Controller Cache are not
Absolutely.
> On Jan 1, 2023, at 10:49 AM, hosseinz8...@yahoo.com wrote:
>
> Hi Experts,For my new ceph cluster, my existing storage nodes have Smart
> Array Raid Controller P420i (HP G8). I have 6 Enterprise-SSD Disks for every
> storage Node.From your experiences, activating HBA Mode is be
Hi Everyone,
My Nautilus cluster of 6 nodes, 180 OSDs, is having a weird issue I don’t know
how to troubleshoot.
I started receiving health warning issues, and the number of PGS not
deep-scrubbed in time has been increasing.
# ceph health detail
HEALTH_WARN 3013 pgs not scrubbed in time
PG_NO
Definitely HBA mode.
In my opinion, it is good to use in a lab, but not for production.
Unfortunately, I have had bad experiences with p420 controllers. These
controllers had problems with internal (controller) restarts under high
workloads, which resulted in problems with Ceph. A firmware updat
Thanks a lot. You said HP is not a good solution for storage node. What is the
alternative? Which hardware model is better?Thanks.
On Sunday, January 1, 2023, 10:24:42 PM GMT+3:30, Sebastian
wrote:
Definitely HBA mode.
In my opinion, it is good to use in a lab, but not for production.
Happy New Year, glad you got the fundamentals fixed :)
I'm not very familiar with RGW/Object storage as I mainly use CephFS in
production.
The missing realm is probably the reason the rgw is not working with
your configuration and perhaps the orchestrator fudged it on upgrade.
Since you've
The MDS requests the clients to release caps to trim caches when there is
cache pressure or it
might proactively request the client to release caps in some cases. But the
client is failing to release the
caps soon enough in your case.
Few questions:
1. Have you tuned MDS cache configurations? If
