on?
Do the clients keep several versions of the map, and try them one after
the other?
Thanks for some hints on this.
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Am 16.01.25 um 16:53 schrieb Andre Tann:
--- POOLS ---
POOL ID PGS STORED OBJECTS USED %USED MAX AVAIL
.mgr 1 1 7.6 MiB 3 15 MiB 100.00 0 B
ReplicationPool 2 1024 8.0 TiB 2.11M 24 TiB 100.00 0 B
cephfs_data
0 B
cephfs_metadata 8 32 268 MiB 143 804 MiB 100.00 0 B
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misplaced than exist in the pools?
Also ceph reports for all pools 100% usage. But also it shows that 35
out of 250 TB are used. So there is sth weird.
Any ideas what could be wrong here?
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To
t;2.1",
This is exactly it, thanks for the hint, also to Robert who pointed in
the same direction.
Cheers!
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e CLI?
Thanks for some hints.
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see is to
rsync … .snap/SNAPSHOT_NAME/ .
In this case all the data has to be moved around, with two main
disadvantages:
- takes forever
- consumes double the space than before
Is there a better way to do this?
Cheers
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Andre Tann
s row
- out of these three racks, pick 4 hosts
I don't want to say that the latter makes much sense, I just wonder if
it would work that way.
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know a good and comprehensive discussion about all the
options for a crush rule, and what they do.
Of course I know the original documentation, but I find that too short,
and leaves me with many questions.
Thanks for any hints.
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own if one site went down.
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nd-crafted crush rules for this purpose require 3 or more DCs.
Best regards,
=
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
From: Janne Johansson
Sent: Wednesday, November 20, 2024 11:30 AM
To: Andre Tann
Cc: ceph-users@ceph.io
Subj
if we edit a crush map after a pool was created on
it, what happens? In my understanding, this lead to massive data
shifting so that the placements comply with the new rules. That right?
Thanks again
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can I say "2 copies in DC1 and 2 copies in DC2", and not
for example 3 copies in one DC, 1 copy in the other?
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node03
node04
node05
DC2
node01
node01
node01
node01
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od in general, the CRUSH rule explanation is
difficult to understand for me.
Thanks.
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s one, I think Bills idea in point 2 goes
into the same direction. To avoid unneccessary network traffic, we
definitely need to consider stretch mode.
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.
This is a good hint, never heard of this feature. Do you happen to have
a further link? On first googling, I didn't see any results.
Ah, you mean stretch clusters?
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ks out of 2 coding
chunks? As I read the documentation, this should be no problem, just
want to confirm.
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amiliar with all that.
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ug report [1], but no further info
about it.
Others seem to have the same issue, but it is not clear to me how to
track down what's up & how to fix it.
[1] https://tracker.ceph.com/issues/47633
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mon01:~# ip a | grep '192.168.14.48'
inet 192.168.14.48/24 brd 192.168.14.255 scope [...]
So indeed no process listening on one of these ports.
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