[Gluster-users] WG: CentOs 5.5 Glusterfs 3.1.0 Samba 3.5 MSOffice Files
Daniel Müller
mueller at tropenklinik.de
Mon Feb 7 19:38:50 UTC 2011
Hello,
seems that there is the most exact and right what you mentioned, but in my
case I run a pdc and bdc with samba and ctdb is not for the use of that.
Only a memberserver or fileserver can be clusterd with ctdb. If glusterfs
is just not working or doing the job for that I fall back to drbd with gfs2
or ocfs2.
Greetings
Daniel
On Mon, 7 Feb 2011 11:32:10 -0500, "Burnash, James" <jburnash at knight.com>
wrote:
> Hello.
>
> I hope the Gluster developers feel free to correct me in this but ... a
> lot of people seem to misunderstand the purpose of the Gluster File
system:
>
> - It is NOT a general purpose file system.
> - It is not really a replacement for NFS - rather, it enables NFS access
> (as a client) to allow use of Glusterfs by servers that can't (or don't
> want to) install the native GlusterFS client.
> - It is not designed for use with files under 1MB in size. That is not
to
> say it won't work, after a fashion - but it calls to mind the saying ...
> "When all you have is a hammer, everything looks like a nail!". Use the
> right tool for the right task.
>
> GlusterFS IS optimized for large files being (mostly) read by many
clients
> for the purposes of analysis, simulation, or (in the case of large image
> files) display and / or rendering.
> - It supports parallel access to duplicate copies of files
> - It supports high availability if mirroring is configured, allowing
> single nodes to fail or be replaced / serviced /upgraded without
bringing
> down the file system - though at the expense of reduced I/O due to that
> node no longer handling file requests.
> - It can scale to very high levels of I/O with higher numbers of storage
> nodes / pools since each new storage node increases the bandwidth
available
> to access files stored in a given pool.
> - It distributes files semi / sort of evenly across multiple nodes to
> decrease the possibility of hot spots in file access.
>
> Given the above attributes, there are some things that it is not going
to
> do as well as alternate solutions:
> - Home directory replacement - small files constantly accessed by a
single
> user
> - Software build storage - hundreds / thousands of small files being
read
> and written simultaneously
> - Samba server backend storage - see the two points above.
>
> Samba has its own clustering software that is specifically designed to
> complement and enhance Samba - CTDB http://ctdb.samba.org/
> It does rely on an underlying cluster file system itself - but that file
> system should support small files and many clients simultaneously
accessing
> said files. NFS will work better than GlusterFS at this task - and there
> are others.
>
>
> I'll give the standard disclaimer, here.
>
> I don't believe myself to be a GlusterFS expert - I've only been working
> with it for one year so far, and believe me, that is not enough time, in
my
> opinion, to make me one.
>
> I have implemented a 6 node storage pool serving hundreds of clients.
> Originally this was implemented in version 3.0.4 - I've migrated this to
> 3.1.1 smoothly (though with a LOT of work up front), and all that
remains
> is to integrate the legacy 3.0.4 servers in to the new configuration.
>
> This is just my opinion, and an earnest attempt to clarify at least my
> view of this amazing and useful tool. Other opinions and views are
heartily
> welcomed.
>
> Thanks,
>
>
> James Burnash, Unix Engineering
>
> -----Original Message-----
> From: gluster-users-bounces at gluster.org
> [mailto:gluster-users-bounces at gluster.org] On Behalf Of Daniel Müller
> Sent: Monday, February 07, 2011 10:48 AM
> To: 'Luis Cerezo'
> Cc: gluster-users at gluster.org
> Subject: Re: [Gluster-users] WG: CentOs 5.5 Glusterfs 3.1.0 Samba 3.5
> MSOffice Files
>
> I did both settings. And it did not help.
> Do you have a working Gluster with samba and office files?
>
> Here are my samba-settings:
> [test]
> path=/mnt/glusterfs/windows/test
> readonly=no
> profile acls = YES
> oplocks=NO
> level2 oplocks=NO
> #oplocks auf dem share fuer folgende file-types ausschalten
> veto oplock files =
>
/*.mdb/*.MDB/*.dbf/*.DBF/*.doc/*.docx/*.xls/*.xlsx/*.tmp/*.TMP/?~$*/~$*/*.ex
> e/*.com
> write list="Domain Users" "Domain Admins"
> create mask = 2770
> force create mode=2770
>
>
> EDV Daniel Müller
>
> Leitung EDV
> Tropenklinik Paul-Lechler-Krankenhaus
> Paul-Lechler-Str. 24
> 72076 Tübingen
> Tel.: 07071/206-463, Fax: 07071/206-499
> eMail: mueller at tropenklinik.de
> Internet: www.tropenklinik.de
>
> Von: Luis Cerezo [mailto:lec at luiscerezo.org]
> Gesendet: Montag, 7. Februar 2011 15:21
> An: mueller at tropenklinik.de
> Cc: gluster-users at gluster.org
> Betreff: Re: [Gluster-users] WG: CentOs 5.5 Glusterfs 3.1.0 Samba 3.5
> MSOffice Files
>
> I don't think this is a gluster issue.
>
> This could be an XP issue, http://support.microsoft.com/?id=812937
>
> or a samba issue.
> Try setting this on the share in question
>
> oplocks = No
> level2 oplocks = No
>
> I hope this helps..
>
>
> On Feb 7, 2011, at 2:11 AM, Daniel Müller wrote:
>
>
> Dear all,
>
> no solutions!? So MSOffice Files cannot be worked on a gluster-share?!
> Word 2007 docs can be created written one time to it. When opened again
> they
> are read only (Another user....). No change possible.
> Excell files the same.
> When I do the same actions on a non glusterfs-vol everything is as it
> should!!!
> If I can get a hint to work around this I have to abandon glusterd.
>
> Daniel
>
>
>
> -----------------------------------------------
> EDV Daniel Müller
>
> Leitung EDV
> Tropenklinik Paul-Lechler-Krankenhaus
> Paul-Lechler-Str. 24
> 72076 Tübingen
>
> Tel.: 07071/206-463, Fax: 07071/206-499
> eMail: mueller at tropenklinik.de
> Internet: www.tropenklinik.de
> -----------------------------------------------
>
> -----Ursprüngliche Nachricht-----
> Von: Daniel Müller [mailto:mueller at tropenklinik.de]
> Gesendet: Donnerstag, 3. Februar 2011 13:25
> An: 'gluster-users at gluster.org'
> Betreff: CentOs 5.5 Glusterfs 3.1.0 Samba 3.5 MSOffice Files
>
> Dear all,
>
> I succeded in setting up a two node gluster-share (Replication) for
samba.
>
> "[root at ctdb1 test]# gluster peer status
> Number of Peers: 1
>
> Hostname: 192.168.132.57
> Uuid: 87159003-b9ec-4eba-9761-74178d406609
> State: Peer in Cluster (Connected)"
>
> "[root at ctdb1 test]# gluster volume info
>
> Volume Name: samba-vol
> Type: Replicate
> Status: Started
> Number of Bricks: 2
> Transport-type: tcp
> Bricks:
> Brick1: 192.168.132.56:/glusterfs/export
> Brick2: 192.168.132.57:/glusterfs/export
> Options Reconfigured:
> network.ping-timeout: 5"
>
> Everything is working fine but writing MSOffice word and excel-files to
the
> gluster-vol.
> Every word-doc is read only after creating, the same with excel
files!!??
>
> Beside the gluster-vol I tested another samba share without glusterfs
and
> there it is working
> as it should.
>
> So how can I get it work on my gluster-vol?????
>
> -----------------------------------------------
> EDV Daniel Müller
>
> Leitung EDV
> Tropenklinik Paul-Lechler-Krankenhaus
> Paul-Lechler-Str. 24
> 72076 Tübingen
>
> Tel.: 07071/206-463, Fax: 07071/206-499
> eMail: mueller at tropenklinik.de
> Internet: www.tropenklinik.de
> -----------------------------------------------
>
>
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>
>
> Luis E. Cerezo
>
> http://www.luiscerezo.org
> http://twitter.com/luiscerezo
> http://flickr.com/photos/luiscerezo
> Voice: 412 223 7396
>
>
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