In the event that you face an interface issue in your gadget, by then you
should reboot it. Regardless, on the off chance that the issue doesn't get
unraveled, by then you can take help from the tech consultancies and utilize
their investigating procedures. You can also contact the Epson Printer
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This issue can be settled by utilizing the assist that with canning be found in
the tech consultancies. What's more, you can generally visit Youtube and take a
gander at some tech vids that will help you in managing
Depending what you’re looking to accomplish, setting up a cluster in VMs
(VirtualBox, Fusion, cloud provider, etc) may meet your needs without having to
buy anything.
>
> - Don't think having a few 1Gbit can replace a >10Gbit. Ceph doesn't use
> such bonds optimal. I already asked about this y
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I tested something in the past[1] where I could notice that an osd
staturated a bond link and did not use the available 2nd one. I think I
maybe made a mistake in writing down it was a 1x replicated pool.
However it has been written here multiple times that these osd processes
are single thre
On 21.09.20 14:29, Kees Bakker wrote:
> Being new to CEPH, I need some advice how to setup a cluster.
> Given a node that has multiple disks, should I create one OSD for
> all disks, or is it better to have one OSD per disk.
The general rule is one OSD per disk.
There may be an exception with ve
I want to trace a request in ceph processing in 14.2.8 version.
I open the blkin with do_cmake.sh -DWITH_BLKIN=ON, when compile
there is a error in below:
../lib/libblkin.a(tp.c.o): undefined reference to symbol 'lttng_probe_register'
//lib64/liblttng-ust.so.0: error adding symbols: DSO missing
When I create a new encrypted osd with ceph volume[1]
I assume something like this is being done, please correct what is
wrong.
- it creates the pv on the block device
- it creates the ceph vg on the block device
- it creates the osd lv in the vg
- it uses cryptsetup to encrypt this lv
(or
Just to expand on the answer of Robert.
If all devices are of the same class (hdd/ssd/nvme) then a one on one
relationship is most likely the best choice.
If you have very fast devices it might be good the have multiple OSDs on one
devices, at the cost of some complexity.
If you have devices o
> we use heavily bonded interfaces (6x10G) and also needed to look at this
> balancing question. We use LACP bonding and, while the host OS probably tries
> to balance outgoing traffic over all NICs
> I tested something in the past[1] where I could notice that an osd
> staturated a bond link an
Hi,
Our Ceph cluster is reporting several PGs that have not been scrubbed
or deep scrubbed in time. It is over a week for these PGs to have been
scrubbed. When I checked the `ceph health detail`, there are 29 pgs
not deep-scrubbed in time and 22 pgs not scrubbed in time. I tried to
manually start
Hello,
Being new to CEPH, I need some advice how to setup a cluster.
Given a node that has multiple disks, should I create one OSD for
all disks, or is it better to have one OSD per disk.
--
Kees Bakker
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Hi all,
we use heavily bonded interfaces (6x10G) and also needed to look at this
balancing question. We use LACP bonding and, while the host OS probably tries
to balance outgoing traffic over all NICs, the real decision is made by the
switches (incoming traffic). Our switches hash packets to a
I'm new on the list,
so a "Hello" to all! :-)
We're planning a Proxmox-Cluster. The data-center operator advised to
use a virtual machine with NFS on top of a single CEPH-FS instance to
mount the shared CEPH-FS storage on multiple hosts/VMs.
As this NFS/CEPH-FS-VM could be a bottle-neck I was wo
Hi Rene,
Yes, cephfs is a good filesystem for concurrent writing. When using CephFS with
ganesha you can even scale out.
It will perform better but why don't you mount CephFS inside the VM?
Kind regards,
Wout
42on
From: René Bartsch
Sent: Monday, Sept
Hi Matt,
The mon data can grow during when PGs are stuck unclean. Don't restart the mons.
You need to find out why your placement groups are "backfill_wait". Likely some
of your OSDs are (near)full.
If you have space elsewhere you can use the ceph balancer module or reweighting
of OSDs to reba
Perhaps not SBCs, but I have 4x HP 6300s and have been running
Kubernetes together with Ceph/Rook for more than 3 years. The HPs can be
picked up around 80-120eu. I learned so much in 3 years, last time I had
that was when I started using Linux. This was money well spent and still
is, it runs n
Hi Wout,
None of the OSDs are greater than 20% full. However, only 1 PG is
backfilling at a time, while the others are backfill_wait. I had
recently added a large amount of data to the Ceph cluster, and this
may have caused the # of PGs to increase causing the need to rebalance
or move objects.
I tried this:
`sudo ceph tell 'osd.*' injectargs '--osd-max-backfills 4'`
Which has increased to having 10 simultaneous backfills and a higher
10X higher rate of data movements. It looks like I could increase this
further by increasing the number of simultaneous recovery operations,
but changing
Den mån 21 sep. 2020 kl 16:15 skrev Marc Roos :
> When I create a new encrypted osd with ceph volume[1]
>
> Q4: Where is this luks passphrase stored?
>
I think the OSD asks the mon for it after auth:ing, so "in the mon DBs"
somewhere.
--
May the most significant bit of your life be positive.
__
On 21.09.20 18:44, René Bartsch wrote:
> We're planning a Proxmox-Cluster. The data-center operator advised to
> use a virtual machine with NFS on top of a single CEPH-FS instance to
> mount the shared CEPH-FS storage on multiple hosts/VMs.
For what purpose do you plan to use CephFS?
Do you know
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