Re: [Ocfs2-users] Problems with descriptions.

Sunil Mushran Thu, 02 Jun 2011 12:06:25 -0700

That's the number of files open on the system. So this looks like
an app problem. Some app has many files open.

On 06/01/2011 10:37 PM, Vasyl S. Kostroma wrote:

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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Re: [Ocfs2-users] Problems with descriptions.

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