[OpenAFS] Metrics on the cell

[Jeffrey Altman]

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Steve,

Could you clarify which statistics you are looking to collect?

Is the question "how many users are accessing the cell from OSX, Windows, Li=
nux, iOS, etc via native clients?"

Or is the question, "how many files or how much data is accessed from these s=
ame client platforms?"

To core problem you will face trying to collect numbers such as these is tha=
t the type of client is agnostic to the servers.  One site that I am aware o=
f explicitly assigned alternate port numbers to different OS versions so the=
y could be counted by rx debug queries to the file and vl servers.  This app=
roach failed when the clients were accessing the servers behind NATs.

 A related question is often "how can I find all of the clients running a ve=
rsion of OpenAFS older than x.y.z?"  This data is not available but is easie=
r to obtain by modifying the servers to probe the client version on each new=
 connection.=20

There are some differences in the access patterns between the client platfor=
ms that can be used if you are collecting the audit log data from the file a=
nd vl servers.

Only windows clients use rxkad authenticated connections for accessing the V=
L servers.

Only windows clients issue get volume info queries to the file servers to ob=
tain free space and quota details on a regular basis.

Windows clients include the directory FID as the first entry in every bulk s=
tatus query to the file servers.

OS X clients never issue bulk status queries.

Hope this helpful.

Jeffrey Altman
Your File System Inc

> On Mar 16, 2015, at 5:11 AM, Devine, Steve <sd@msu.edu> wrote:
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> I have been asked by senior leadership to gather data on the usage of our c=
ell. I can of course tell them how much disc space is in use and parse logs f=
rom our filedrawers and FTP service, what I am struggling with is determinin=
g access via native OpenAFS Windows, Mac and Linux clients. I've been experi=
menting with Scout and Afsmonitor but haven't been able to find a definitive=
 solution. It seems like years ago I investigated logging at the fileserver l=
evel and discovered that logging for usage wasn't possible.=20
>=20
> Has anyone found a way to gather these kind of stats? Thanks for your help=
.
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> /sd
>=20
> Steve Devine
> Michigan State University
>=20
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> _______________________________________________
> OpenAFS-info mailing list
> OpenAFS-info@openafs.org
> https://lists.openafs.org/mailman/listinfo/openafs-info

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