For developers submitting jobs using teuthology, we now have
recommendations on what priority level to use:
https://docs.ceph.com/docs/master/dev/developer_guide/#testing-priority
--
Patrick Donnelly, Ph.D.
He / Him / His
Senior Software Engineer
Red Hat Sunnyvale, CA
GPG: 19F28A586F808C2402351B93C3301A3E258DD79D
The office is a productivity suite, developed and maintained by one of the biggest companies, market leaders in technology, Microsoft Office. You must already have gotten your answer, Microsoft is not just another company that poses to be developing great software with just a team of 100 members but Microsoft is a big company that needs to keep its reputation and work always on par with the revenue they are getting. This means they need to hire the best people to get the job done and that’s how it works in Microsoft. There is no issue with Microsoft, but the only issue is that Microsoft has been the target for hackers for quite a while now, It is one of the easiest targets anyone can find when it comes to the customer base and data theft. The data Microsoft has stored on their cloud servers is enormous and is really important for most of the people.
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Dear Daniel and those familiar with Project Zipper,
I am interested in File backend mentioned in the following email, which is part of Project Zipper.
https://marc.info/?l=ceph-devel&m=155542425904339&w=2
Daniel, do you have any idea in mind about how it will be implemented?
For example, what kind of file interface (e.g. POSIX, NFS) will RGW use to access the backend?
I am interested in File backend because it might be useful if RGW could be backed by File backend such as NFS server instead of RADOS.
I guess RADOS does not work well on some storage devices such as tape, but such devices can alternatively be accessed via file interface.
In such a case, it might be useful if RGW could access the File backend and treat it as a different storage class from STANDARD.
Sincerely,
Ken Iizawa
Dear Ceph developers,
Presently Ceph has a single config option named min_size which decides the
minimum number of copies that must be available before any client I/O
operation (read or write) can be performed on a given RADOS pool.
Would it make sense to split it into two i.e. read_min_size and
write_min_size to allow better data availability?
For instance, in a pool with replication size of 3 (where 3 copies are
stored), if two OSDs go down, we would want to avoid client write
operations (to reduce risk of data loss) but allow client read operations
from the single copy that is available. This can be done by setting
read_min_size to 1, but retaining write_min_size to 2.
Are there any technical reasons why this cannot work? Any pitfalls that I
don't foresee?
Thanks,
K.Prasad
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Hey folks, we're getting towards the end of the pacific cycle.
The component leads discussed and decided this time we're going to do a
hard feature freeze on January 15th, 2021.
After that, we'll branch off pacific from master, and use the usual
backport process to merge bug fixes - first going to master,
then backporting to the pacific branch. Since this is the same
procedure as the rest of the development cycle, it should cause
less confusion.
This will let us focus on stabilizing pacific and improving the test
suites, and make sure only changes consciously targeted for pacific are
merged there. As usual, we're targeting the release for March, so we'll
have ~2 months of stabilization.
Josh
Hi Folks,
The weekly performance meeting is starting now. :) Topics today include
trying to get crimson working with CBT (not using vstart) and rocksdb
on-disk format changes for pacific. Please feel free to add your own
topic as well.
Hope to see you there!
Etherpad:
https://pad.ceph.com/p/performance_weekly
Bluejeans:
https://bluejeans.com/908675367
Thanks,
Mark
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Hi,
I want to write and read from an rbd image with librbd (librbdpy or
go-ceph). I got some questions:
1. How can I do a random write/read with it?
2. How can I delete the written data with it?
3. If I want to write with a for example 4K block size should I break my
bytes array to 4K arrays by my self or librbd will do it on its own?
4. Does rbd_cache included in it? If yes how can I disable it?
Thanks.
Hi,
I have been updating the alpine Linux version of Ceph to 15.2.8, it fails on alpine checks for aarch64 as libec_isa.so has textrel’s in it. The relevant merge request is here https://github.com/ceph/ceph/pull/32171
If I compile locally I get the following output:
scanelf -qT lib/libec_isa.so
libec_isa.so: (memory/data?) [0xCA48] in (optimized out: previous .return_fail) [0xCA40]
libec_isa.so: (memory/data?) [0xCFF8] in (optimized out: previous .return_fail) [0xCFF0]
libec_isa.so: (memory/data?) [0xD700] in (optimized out: previous .return_fail) [0xD6F8]
libec_isa.so: (memory/data?) [0xDF48] in (optimized out: previous .return_fail) [0xDF40]
libec_isa.so: (memory/data?) [0xE498] in (optimized out: previous .return_fail) [0xE490]
libec_isa.so: (memory/data?) [0xE8C8] in (optimized out: previous .return_fail) [0xE8C0]
lib/libec_isa.so
Thanks,
Duncan
