I'm not too familiar with the toolchain you're using, so can you clarify what problem you're seeing with CephFS here? -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com On Wed, Nov 13, 2013 at 12:06 PM, M. Piscaer <debian@xxxxxxxxxxx> wrote: > > Hi, > > I have an webcluster setup, where on the loadbalancers the persistence > timeout is 0. To share the sessions I use ceph version 0.56.7, like you > see on the diagram. > > +----------------+ > | Internet | > +----------------+ > | > +-----+-----------------------+ > | | > +-----------------+ +-----------------+ > | loadbalancer-01 | | loadbalancer-02 | > +-----------------+ +-----------------+ > | | > +-----+--192.168.1.0/24-------+ > | > +--------+ | +--------+ > | web-01 |---+-----| web-02 | > +--------+ | +--------+ > | > +--------+ | +--------+ > | osd-01 |---+-----| osd-02 | > +--------+ | +--------+ > | > +--------+ | +--------+ > | mds-01 |---+-----| mds-02 | > +--------+ | +--------+ > | > +--------+--------+-------------------+ > | | | > +--------+ +--------+ +--------+ > | mon-01 | | mon-02 | | mon-03 | > +--------+ +--------+ +--------+ > > I mount on the web nodes the ceph mds tables: > ** /etc/fstab ** > mon-01:/ < Session_mountpoint> ceph > defaults,name=admin,secret=<secret_key> 0 0 > > My probem is that when the sessions gets a frequent update, I sometimes > loss my session data. > > I can reproduse my problem with the following PHP script: > > <?php > // page2.php > > session_save_path('/var/www/storage/sessions/'); > session_start(); > > $_SESSION['count']++; > echo 'count: '; > echo $_SESSION['count']; > > ?> > > When i run the following commands: > > michielp@michielp-hp:~$ wget --no-check-certificate > --keep-session-cookies --save-cookies /tmp/cookies.txt > https://sub.domain.nl/page2.php -O - > michielp@michielp-hp:~$ for foo in {1..10000}; do wget > --no-check-certificate --load-cookies /tmp/cookies.txt > "https://sub.domain.nl/page2.php"; -O - -o /dev/null; sleep 0.3; done > > At 10, 100 and 1000 and further the couter hits to 0. When i use sleep > 0.4 everthing works fine. > > michielp@michielp-hp:~$ for foo in {1..10000}; do wget > --no-check-certificate --load-cookies /tmp/cookies.txt > "https://sub.domain.nl/page2.php"; -O - -o /dev/null; done > > count: 1 > count: 2 > count: 3 > count: 4 > count: 5 > count: 6 > count: 7 > count: 8 > count: 9 > count: 10 > count: 1 > count: 2 > count: 1 > > Also when is switch off one of the webservers the problem disappears. > > On mds-01 is see the folllowing message: > root@isp-oscaccstormds-01:/var/log/ceph# tail ceph-mds.5.log > 2013-11-13 20:49:00.428592 7f20fca22700 0 mds.0.server > handle_client_file_setlock: start: 0, length: 0, client: 18900, pid: > 10032, type: 4 > > The config of the ceph cluster looks like: > > [global] > auth cluster required = cephx > auth service required = cephx > auth client required = cephx > keyring = /etc/ceph/keyring > cluster network = 192.168.1.0/24 > public network = 192.168.1.0/24 > > fsid = 82ecbd50-81ff-4f6c-a009-0bd02a1b4043 > > [mon] > mon data = /var/lib/ceph/mon/mon.$id > > [osd] > osd journal size = 4096 > filestore flusher = false > osd data = /var/lib/ceph/osd/osd.$id > osd journal = /var/lib/ceph/osd/osd.$id/journal > osd mkfs type = xfs > keyring = /var/lib/ceph/osd/osd.$id/keyring > > [mds] > mds data = /var/lib/ceph/mds/mds.$id > keyring = /var/lib/ceph/mds/mds.$id/keyring > > [mon.0] > host = mon-01 > mon addr = 192.168.1.56:6789 > > [mon.1] > host = mon-02 > mon addr = 192.168.1.57:6789 > > [mon.2] > host = mon-03 > mon addr = 192.168.1.58:6789 > > [mds.5] > host = mds-01 > > [mds.6] > host = mds-02 > > [osd.0] > host = osd-02 > devs = /dev/sdb1 > cluster addr = 192.168.1.60 > public addr = 192.168.1.60 > > [osd.1] > host = osd-01 > devs = /dev/sdb1 > cluster addr = 192.168.1.59 > public addr = 192.168.1.59 > > > Kinds regards, > > Michiel Piscaer > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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