bit 21 in the features bitmap is upmap support
Paul
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Paul Emmerich
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On Mon, Apr 13, 2020 at 11:53 AM Frank Schilder wrote:
>
> Dear all,
>
>
Hi Paul,
thanks for the fast reply. When you say "bit 21", do you mean "(feature_map &
2^21) == true" (i.e., counting from 0 starting at the right-hand end)? Then it
would be set for all connected ceph fs clients.
Assuming upmap is supported by all clients. If I understand correctly, to use
th
Hi,
On Mon, Apr 13, 2020 at 3:08 PM Frank Schilder wrote:
>
> Hi Paul,
>
> thanks for the fast reply. When you say "bit 21", do you mean "(feature_map &
> 2^21) == true" (i.e., counting from 0 starting at the right-hand end)?
yes
> Assuming upmap is supported by all clients. If I understand co
On 4/13/20 4:52 PM, Frank Schilder wrote:
Is there a way to check if a client supports upmap?
Yes, and actually is not hard, example:
# echo 0x27018fb86aa42ada | python detect_upmap.py
Upmap is supported
The Gist: https://gist.github.com/k0ste/96905ebd1c73c5411dd8d03a9c14b0ea
k
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