similar to: Heads up regarding using nfs with ocfs2

I found this from ocfs1.4 document: g) NFS OCFS2 volumes can be exported as NFS volumes. This support is limited to NFS version 3, which translates to Linux kernel version 2.4 or later. Users must mount the NFS volumes on the clients using the nordirplus mount option. This disables the READDIRPLUS RPC call to workaround a bug in NFSD, detailed in the following link:

Hello again, We have hit some performance problem today in one of our clusters. The performance suddenly drop from the normal performance (about 30Mbytes/s), read/write, to a few Kbytes/s (about 200Kbytes/s), read only, for a while, and as sudden as it started, it backs to the normal read/write performance, cycling randomly. When the "read only" occurs on one node, the other shows only

Hello, We are having performance problems trying to migrate our pop/imap servers to a new version. Our old servers are 4 debian lenny with 5GB of RAM running of XenServer VMs with kernel 2.6.32-4-amd64 and dovecot 1.1.16. New servers are 4 ubuntu 12.04 with dovecot 2.1.5 running on vmware vm with 6 cores and 16GB of RAM and kernel 3.2.0-24-generic. On both server we are using nfs 3 with

Hi list, Something went wrong this morning and we have a node ( #0 ) reboot. Something blocked the NFS access from both nodes, one rebooted and the another we restarted the nfsd and it brought him back. Looking at node #0 - the one that rebooted - logs everything seems normal, but looking at the othere node dmesg's we saw this messages: First the o2net detected that node #0 was dead: (It

Hello Ladies and Gents .. First time poster .. I have been experiencing several issues with unexplained Fencing and silly mount/unmount errors With Version 1.4.7 on UEK (Red Hat Enterprise Linux Server release 5.3) running under kernel 2.6.18-128.el5 With ocfs2console-1.6.3-2.el5,ocfs2-tools-1.6.3-2.el5 & ocfs2-2.6.18-128.el5-1.4.7-1.el5 RPM Packages. You See, the problem is that I was

Hi , I am getting the error "No space left on device" on a device with free space which is ocfs2 filesystem. Additional information is as below, [root at sai93 staging]# debugfs.ocfs2 -n -R "stats" /dev/sdb1 | grep -i "Cluster Size" Block Size Bits: 12 Cluster Size Bits: 15 [root at sai93 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release

Does this release also include what our DBA referenced below regarding indexed directories fix? Thanks,? ? George Burgos Linux Systems Administrator LPIC I/OCA-DBA Senior Systems Analyst Powell Industries, Inc. gburgos at powellind.com Tel:???????? (713)947-4493 Fax:??????? (713)943-1268 -----Original Message----- From: Hu, Linn Sent: Monday, April 19, 2010 1:20 PM To: OracleDBA; _LinuxAdmins

Hello, today I noticed the following on *only* one node: ----- cut here ----- Apr 29 11:01:18 node06 kernel: [2569440.616036] INFO: task ocfs2_wq:5214 blocked for more than 120 seconds. Apr 29 11:01:18 node06 kernel: [2569440.616056] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 29 11:01:18 node06 kernel: [2569440.616080] ocfs2_wq D

Hi ocfs2 developers, there are some news about the schedule for a new ocfs2 release that solve the actual bug/limitations? I can see an 1.4.7 release tagged here: http://oss.oracle.com/git/?p=ocfs2-1.4.git;a=summary Is there a planned release date? in my environment (about 5000000 files with 300000 new files/deletion per day) I see load until 1000 and I/O almost blocked for some hours of the

On 05/12/2011 06:50 PM, Longguang Yue wrote: > > Thank you first of all > > totally, there are 5 kinds of error occur. > > Spinlock leads to cpu lockup, o2net modules panic, kernel BUG at mm/slub.c:2969, BUG unable to handle kernel paging request at addr > > My environment: kernel-2.6.32.23 + xen + ocfs2(1.5) > > Thanks again. > This looks like the deadlock as

changes from v4: 1, let suballoc lock covers the checking of the group. 2, add/correct some log messages. 3, use ocfs2_read_group_descriptor() instead of diry reading the group. Signed-off-by: Wengang Wang <wen.gang.wang at oracle.com> -- dlmglue.c | 45 ++++++++++++++++ dlmglue.h | 2 export.c | 77 +++++++++++++++++++++++++-- inode.c | 24 ++++++++

All, We are pleased to announce the release of OCFS2 1.4.10-1 and OCFS2 tools 1.6.3-2 for Oracle Linux 5 Update 7 and higher and Redhat Enterprise Linux 5 Update 7 and higher. Oracle's Unbreakable Linux Network users who are subscribing to the "OCFS2 1.4 packages for Enterprise Linux 5" channel can upgrade to this release by running up2date. Red Hat's Enterprise Linux 5

Thanks for a great file system! I have a two-node cluster working as a HA NFS server. This system has worked fine for almost a year, but recently I found that an ocfs2 file system had been corrupted and needed to be repaired with fsck.ocfs2. Even though I don't think that any data was lost I found that 4 of my 14 ocfs2 partitions had some errors which were corrected by fsck.ocfs2. I then

We are also thinking about locking for each read/write, but would its = overhead be too high? We have another idea that is extending the function of flock, lockf, = fcntl to distributed. So any application that need strict data consistent can do a lock = operation on the whole or part of the file. For ordinary application, maybe the current logic is enough. How about it? >-----Original

Linus, et al, Here are all the outstanding ocfs2 fixes for 2.6.31. The major fixes are for aio write and for non-sparse file extending. There are also a couple of b-tree fixes as well as some for quotas. Please pull. Joel The following changes since commit 44b572809581d5a10dbe35aa6bf689f32b9c5ad6: Yinghai Lu (1): x86: don't clear nodes_states[N_NORMAL_MEMORY] when numa is not

Linus, et al, Here are the ocfs2 updates for 2.6.31. It's a quiet cycle, almost completely composed of fixes. There is a nice performance improvement from Hisashi Hifumi for fdatasync. Please pull. Joel The following changes since commit b4348f32dae3cb6eb4bc21c7ed8f76c0b11e9d6a: Linus Torvalds (1): Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs are available in

Linus et al, Here is the second batch of ocfs2 changes for 2.6.36. We've ironed out all of the ordering with the extN/jbd2 folks, and they have stewed for a little as well. There's nothing large in here. ocfs2 has long supported devices larger than 2^32 sectors in the code; we now toggle that capability on. Tao has added readahead to our CoW operations. We also have one more ECC fix

I'm trying to compile ocfs2-1.4.1 in on my system and it's not working very well. This is what is happening after running the following: Is there a patch for this? Or what could be wrong? ./configure --with-kernel=/usr/src/kernels/2.6.22.19-vs2.3.0.34.1- x86_64 ; make make -C fs make[1]: Entering directory `/root/ocfs2-1.4.1/fs' make -C ocfs2 stamp-md5 make[2]: Entering directory

add trace event header file for ocfs2. Signed-off-by: Wengang Wang <wen.gang.wang at oracle.com> --- include/trace/events/ocfs2.h | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-) create mode 100644 include/trace/events/ocfs2.h diff --git a/include/trace/events/ocfs2.h b/include/trace/events/ocfs2.h new file mode 100644 index 0000000..fa86758 --- /dev/null +++

Linus, et al, Here are some more ocfs2 updates for 2.6.31. More bug fixes, mostly. The one non-fix is lockdep annotation for ocfs2's cluster locking. Thanks to Jan Kara for that. Please pull. Joel The following changes since commit 3fe0344faf7fdcb158bd5c1a9aec960a8d70c8e8: Linus Torvalds (1): Merge branch 'kmemleak' of git://linux-arm.org/linux-2.6 are available in