[Gluster-users] Cannot see all data in mount

[Paul van der Vlis]

Op 15-05-19 om 15:45 schreef Nithya Balachandran:
> Hi Paul,
> 
> A few questions:
> Which version of gluster are you using?

On the server and some clients: glusterfs 4.1.2
On a new client: glusterfs 5.5

> Did this behaviour start recently? As in were the contents of that
> directory visible earlier?

This directory was normally used in the headoffice, and there is direct
access to the files without Glusterfs. So I don't know.

With regards,
Paul van der Vlis

> Regards,
> Nithya
> 
> 
> On Wed, 15 May 2019 at 18:55, Paul van der Vlis <paul at vandervlis.nl
> <mailto:paul at vandervlis.nl>> wrote:
> 
>     Hello Strahil,
> 
>     Thanks for your answer. I don't find the word "sharding" in the
>     configfiles. There is not much shared data (24GB), and only 1 brick:
>     ---
>     root at xxx:/etc/glusterfs# gluster volume info DATA
> 
>     Volume Name: DATA
>     Type: Distribute
>     Volume ID: db53ece1-5def-4f7c-b59d-3a230824032a
>     Status: Started
>     Snapshot Count: 0
>     Number of Bricks: 1
>     Transport-type: tcp
>     Bricks:
>     Brick1: xxx-vpn:/DATA
>     Options Reconfigured:
>     transport.address-family: inet
>     nfs.disable: on
>     ----
>     (I have edited this a bit for privacy of my customer).
> 
>     I think they have used glusterfs because it can do ACLs.
> 
>     With regards,
>     Paul van der Vlis
> 
> 
>     Op 15-05-19 om 14:59 schreef Strahil Nikolov:
>     > Most probably you use sharding , which splits the files into smaller
>     > chunks so you can fit a 1TB file into gluster nodes with bricks of
>     > smaller size.
>     > So if you have 2 dispersed servers each having 500Gb brick->  without
>     > sharding you won't be able to store files larger than the brick size -
>     > no matter you have free space on the other server.
>     >
>     > When sharding is enabled - you will see on the brick the first
>     shard as
>     > a file and the rest is in a hidden folder called ".shards" (or
>     something
>     > like that).
>     >
>     > The benefit is also viewable when you need to do some maintenance on a
>     > gluster node, as you will need to heal only the shards containing
>     > modified by the customers' data.
>     >
>     > Best Regards,
>     > Strahil Nikolov
>     >
>     >
>     > В сряда, 15 май 2019 г., 7:31:39 ч. Гринуич-4, Paul van der Vlis
>     > <paul at vandervlis.nl <mailto:paul at vandervlis.nl>> написа:
>     >
>     >
>     > Hello,
>     >
>     > I am the new sysadmin of an organization what uses Glusterfs.
>     > I did not set it up, and I don't know much about Glusterfs.
>     >
>     > What I do not understand is that I do not see all data in the mount.
>     > Not as root, not as a normal user who has privileges.
>     >
>     > When I do "ls" in one of the subdirectories I don't see any data, but
>     > this data exists at the server!
>     >
>     > In another subdirectory I see everything fine, the rights of the
>     > directories and files inside are the same.
>     >
>     > I mount with something like:
>     > /bin/mount -t glusterfs -o acl 10.8.0.1:/data /data
>     > I see data in /data/VOORBEELD/, and I don't see any data in
>     /data/ALGEMEEN/.
>     >
>     > I don't see something special in /etc/exports or in /etc/glusterfs on
>     > the server.
>     >
>     > Is there maybe a mechanism in Glusterfs what can exclude data from
>     > export?  Or is there a way to debug this problem?
>     >
>     > With regards,
>     > Paul van der Vlis
>     >
>     > ----
>     > # file: VOORBEELD
>     > # owner: root
>     > # group: secretariaat
>     > # flags: -s-
>     > user::rwx
>     > group::rwx
>     > group:medewerkers:r-x
>     > mask::rwx
>     > other::---
>     > default:user::rwx
>     > default:group::rwx
>     > default:group:medewerkers:r-x
>     > default:mask::rwx
>     > default:other::---
>     >
>     > # file: ALGEMEEN
>     > # owner: root
>     > # group: secretariaat
>     > # flags: -s-
>     > user::rwx
>     > group::rwx
>     > group:medewerkers:r-x
>     > mask::rwx
>     > other::---
>     > default:user::rwx
>     > default:group::rwx
>     > default:group:medewerkers:r-x
>     > default:mask::rwx
>     > default:other::---
>     > ------
>     >
>     >
>     >
>     >
>     >
>     > --
>     > Paul van der Vlis Linux systeembeheer Groningen
>     > https://www.vandervlis.nl/
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> 
> 
> 
>     -- 
>     Paul van der Vlis Linux systeembeheer Groningen
>     https://www.vandervlis.nl/
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-- 
Paul van der Vlis Linux systeembeheer Groningen
https://www.vandervlis.nl/