[Ocfs2-users] Problems with descriptions.

[Sérgio Surkamp]

Maybe some problem with NFSv4, as OCFS2 officially support only NFSv2
and NFSv3. Try to export the volume with NFSv3 only. Also note that
DRDB isn't officially supported too.

Regards,
Sérgio

Em Thu, 2 Jun 2011 09:37:37 +0400
"Vasyl S. Kostroma" <admin at v-sf.info> escreveu:

> Hi guys!
> I can’t find an answer in google, so my last hope is this mailing
> list.
> 
> Story.
> I have two servers with same arrays. Servers connected by DRBD.
> I used ocfs2 as file system, also I used NFS4 to access to the 
> ocfs2 drive. I do not have any idea, but the allocated descriptors in
> /proc/sys/fs/file-nr increasing every time while drive accessed.
> So after some time allocated descriptions over max value and all
> processes make error “To much opened files” (something like
> this). I do not see any error messages in log files... Any idea?
> I haven’t sleep two days 
> 
> Thank you all in advance.
> 
> Configs:
> cat /etc/drbd.conf
> # You can find an example in  /usr/share/doc/drbd.../drbd.conf.example
> 
> include "drbd.d/global_common.conf";
> include "drbd.d/*.res";
> 
> 
> resource nfs {
> 
>         protocol C;
> 
>         handlers {
>                 split-brain "/usr/lib/drbd/notify-split-brain.sh
> root"; pri-on-incon-degr "echo o > /proc/sysrq-trigger ; halt -f";
>                 pri-lost-after-sb "echo o > /proc/sysrq-trigger ;
> halt -f"; local-io-error "echo o > /proc/sysrq-trigger ; halt -f";
>         }
> 
>         startup {
>                 become-primary-on both;
>                 degr-wfc-timeout 120;
>         }
> 
>         disk {
>                 on-io-error detach;
>         }
> 
>         net {
>                 cram-hmac-alg sha1;
>                 shared-secret "password";
>                 allow-two-primaries;
>                 after-sb-0pri discard-zero-changes;
>                 after-sb-1pri discard-secondary;
>                 after-sb-2pri disconnect;
>                 rr-conflict disconnect;
>         }
> 
>         syncer {
>                 rate 500M;
>                 verify-alg sha1;
>                 al-extents 257;
>         }
> 
>         on st01 {
>                 device  /dev/drbd0;
>                 disk    /dev/sdb;
>                 address 192.168.3.151:7788;
>                 meta-disk internal;
>         }
> 
>         on st02 {
>                 device  /dev/drbd0;
>                 disk    /dev/sdb;
>                 address 192.168.3.152:7788;
>                 meta-disk internal;
>         }
> }
> 
> ---
> cat /etc/ocfs2/cluster.conf
> #/etc/ocfs2/cluster.conf
> node:
>     ip_port = 7777
>     ip_address = 192.168.1.151
>     number = 1
>     name = st01
>     cluster = ocfs2
> 
> node:
>     ip_port = 7777
>     ip_address = 192.168.1.152
>     number = 2
>     name = st02
>     cluster = ocfs2
> 
> cluster:
>     node_count = 2
>     name = ocfs2
> ---
> cat /etc/exports
> # /etc/exports: the access control list for filesystems which may be
> exported #               to NFS clients.  See exports(5).
> /snfs
> 192.168.1.0/24(rw,sync,no_root_squash,no_subtree_check,fsid=0) /snfs/projects
> 192.168.1.0/24(rw,sync,no_root_squash,no_subtree_check) /snfs/configs
> 192.168.1.0/24(rw,sync,no_root_squash,no_subtree_check) /snfs/variables
> 192.168.1.0/24(rw,sync,no_root_squash,no_subtree_check) /snfs/backups
> 192.168.1.0/24(rw,sync,no_root_squash,no_subtree_check) ---



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