Re: [Gluster-users] Seeking Feedback on Gluster Development Priorities/Roadmap

2011-03-10 Thread Kon Wilms
1. Stability
2. Stability
3. Stability

If my customers lose one file, everything else is irrelevant. It
really is that simple.

Cheers
Kon
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Re: [Gluster-users] Does anyone see inaccessible files under NFS client for the distributed volumes?

2011-02-23 Thread Kon Wilms
Attempted to replicate with no luck. This is however the exact type of
error I was seeing with NGINX. My cluster is a distribute pair with
ALB bonded Gige, so it may be that my layout will simply manifest
itself less frequently than yours.

Cheers
Kon

On Wed, Feb 23, 2011 at 4:48 PM, Luis l...@luiscerezo.org wrote:
I have a partial work around, but this one is troublesome.  Anyone
experience anything like this?  If so, please contact me offline so we
can compare notes.
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Re: [Gluster-users] Fwd: files not syncing up with glusterfs 3.1.2

2011-02-21 Thread Kon Wilms
On Mon, Feb 21, 2011 at 9:45 AM, Steve Wilson ste...@purdue.edu wrote:
 We had trouble with reliability for small, actively-accessed files on a
 distribute-replicate volume in both GlusterFS 3.11 and 3.12.  It seems that
 the replicated servers would eventually get out of sync with each other on
 these kinds of files.  For a while, we dropped replication and only ran the
 volume as distributed.  This has worked reliably for the past week or so
 without any errors that we were seeing before: no such file, invalid
 argument, etc.

I'm running thousands of small files over NFSv3 through NGINX with
distribute and have had the opposite experience. Unfortunately when
NGINX can't access a file over NFS it means a customer calling us, so
right now gluster is basically sitting idle (posted my output to the
list a while back with no response).

Cheers
Kon
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[Gluster-users] NFS problems with 3.1.1

2010-12-22 Thread Kon Wilms
I'm having I/O errors on my clients who are mounting 3.1.1 via gluster
native NFS. The clients are running NGINX.

Any advice appreciated! Perhaps my access mode is incorrect for nfs?

The throughput is about 20Mbps sustained, but the system benched at
about 600-900Mbps so that shouldn't be a problem.

Errors along the lines of:
2010/12/22 08:09:32 [alert] 12206#0: *5807333 sendfile() failed (5:
Input/output error) while sending
which matches to:
nfs.log:
[2010-12-22 16:07:36.937671] I [dht-common.c:369:dht_revalidate_cbk]
pool-dht: subvolume pool-client-1 returned -1 (Invalid argument)

(one system is gmt, the other pst)

- NFS in fstab on clients:
10.2.16.51:/pool /gfs1 nfs
rw,bg,rsize=8192,wsize=8192,timeo=14,noatime,intr,soft,retrans=6
 0   0
- GFS configuration:
2 nodes running ubuntu 10.04.1LTS
1 brick per node consisting of EXT4+LVM on two RAID1 2TB drives (total
of 2TB per node)
- GFS create line:
gluster volume create pool transport tcp 10.2.16.51:/pool/raw
10.2.16.52:/pool/raw
- Access mode:
client 1 accesses nfs on node 1
client 2 accesses nfs on node 2
- Interfaces
3 gige nics on each node bonded in bond mode 6

Cheers
Kon
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[Gluster-users] GlusterFS 3.1.1 - local volume mount

2010-12-09 Thread Kon Wilms
What is the desired operation mode for mounting local volumes to
re-export when creating volumes in an automated fashion?

Using gluster to create a new volume automagically does not place any
.vol files in /etc/glusterfs. I'm not sure if this is by design, but
it isn't documented.

Creating a new volume:
gluster volume create pool replica 2 transport tcp
172.16.16.50:/pool/raw 172.16.16.51:/pool/raw 172.16.16.52:/pool/raw
172.16.16.53:/pool/raw

I can mount this as follows:
glusterfs --volfile=/etc/glusterd/vols/pool/pool-fuse.vol /pool/mount

Should I make a local copy of the pool-fuse.vol volume file and place
it in /etc/glusterfs?

Cheers
Kon
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[Gluster-users] GlusterFS 3.1.1 - peer attach bug

2010-12-09 Thread Kon Wilms
Not sure where to file this so I am posting it here.

Attaching the local brick's ip address results in a disconnect and the
peer cannot be removed.

- server x.x.x.x gluster peer probe x.x.x.x
- Issuing a gluster peer status shows x.x.x.x as disconnected with
uuid of zeros. This is replicated to other bricks.
- gluster peer detach x.x.x.x has no effect.

The only resolution is to stop the gluster service on all nodes and
remove the offending node from /etc/glusterd/peers on all nodes, and
restart glusterd on all nodes.

Gluster should prevent this from happening in the first place.

Cheers
Kon
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Re: [Gluster-users] GlusterFS 3.1.1 - local volume mount

2010-12-09 Thread Kon Wilms
On Thu, Dec 9, 2010 at 2:05 PM, Jacob Shucart ja...@gluster.com wrote:
 With Gluster 3.1.1, you no longer need to do anything with the vol files.
 If you create a volume like you did below, then you simply mount it like:

 mount -t glusterfs 172.16.16.50:/pool /pool/mount

 Gluster automatically gets the volume information when mounting.  This is
 described at:

 http://www.gluster.com/community/documentation/index.php/Gluster_3.1:_Manu
 ally_Mounting_Volumes

 There is no need to do anything with the vol files you found in
 /etc/glusterd, and in fact using these can cause some functionality such
 as volume elasticity to break.

Thanks, good to know. My specific use case is that I am re-exporting
for CIFS -- the mount is local. My concern with using the ip address
on the local machine for mounting was one of latency introduced for
the round trip. Is this a valid concern?

Cheers
Kon
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