Re: rbd image association

On 03.06.2013 11:08, Wolfgang Hennerbichler wrote: On Mon, Jun 03, 2013 at 10:52:14AM +0400, Roman Alekseev wrote: Hi, Is it possible to associate certain rbd device with the appropriate rbd image (for example : image1 > /dev/rbd0)? We always need to map image1 to /dev/rbd0, image2 to /dev/rbd1

Re: rbd image association

On 06/03/2013 09:17 AM, Roman Alekseev wrote: On 03.06.2013 11:08, Wolfgang Hennerbichler wrote: On Mon, Jun 03, 2013 at 10:52:14AM +0400, Roman Alekseev wrote: Hi, Is it possible to associate certain rbd device with the appropriate rbd image (for example : image1 > /dev/rbd0)? We always need

Re: rbd image association

On Mon, Jun 03, 2013 at 11:17:16AM +0400, Roman Alekseev wrote: > Dear Wolfgang, > > I was trying to use the command ln -s /dev/rbd1 image1 but it > creates wrong symlink. Most likely there is more specific command to > symlink the image and device correctly. No, you should not have to do anythin

Re: rbd image association

On 03.06.2013 11:34, Wido den Hollander wrote: udev takes car Do you mean we need to create some rules in /etc/udev/rules.d/ directory and after running rbd -p pool map image my image will be mapped with appropriate device? If so, could you please provide me with the commands which should b

Re: Speed up 'rbd rm'

On Thu, May 30, 2013 at 07:04:28PM -0700, Josh Durgin wrote: > On 05/30/2013 06:40 PM, Chris Dunlop wrote: >> On Thu, May 30, 2013 at 01:50:14PM -0700, Josh Durgin wrote: >>> On 05/29/2013 07:23 PM, Chris Dunlop wrote: On Wed, May 29, 2013 at 12:21:07PM -0700, Josh Durgin wrote: > On 05/28

krbd + format=2 ?

G'day, Sage's recent pull message to Linus said: Please pull the following Ceph patches from git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git for-linus This is a big pull. Most of it is culmination of Alex's work to implement RBD image layering, which is now complete (

Re: [PATCH 0/2] librados: Add RADOS locks to the C/C++ API

Hi Josh, On 05/31/2013 10:44 PM, Josh Durgin wrote: On 05/30/2013 06:02 AM, Filippos Giannakos wrote: The following patches export the RADOS advisory locks functionality to the C/C++ librados API. The extra API calls added are inspired by the relevant functions of librbd. This looks good to m

Re: rbd image association

On Mon, 3 Jun 2013, Roman Alekseev wrote: > On 03.06.2013 11:34, Wido den Hollander wrote: > > udev takes car > > Do you mean we need to create some rules in /etc/udev/rules.d/ directory and > after running rbd -p pool map image my image will be mapped with appropriate > device? The ceph package

Re: rbd image association

On 03.06.2013 18:49, Sage Weil wrote: On Mon, 3 Jun 2013, Roman Alekseev wrote: On 03.06.2013 11:34, Wido den Hollander wrote: udev takes car Do you mean we need to create some rules in /etc/udev/rules.d/ directory and after running rbd -p pool map image my image will be mapped with appropriat

Re: rbd image association

On Mon, 3 Jun 2013, Roman Alekseev wrote: > On 03.06.2013 18:49, Sage Weil wrote: > > On Mon, 3 Jun 2013, Roman Alekseev wrote: > > > On 03.06.2013 11:34, Wido den Hollander wrote: > > > > udev takes car > > > Do you mean we need to create some rules in /etc/udev/rules.d/ directory > > > and > > >

ceph branch status

-- All Branches -- Alex Elder 2013-05-21 14:37:01 -0500 wip-rbd-testing Babu Shanmugam 2013-05-30 10:28:23 +0530 wip-rgw-geo-enovance Dan Mick 2012-12-18 12:27:36 -0800 wip-rbd-striping 2013-03-15 17:27:54 -0700 wip-cephtool-stderr David Zafman

ceph branch status

-- All Branches -- Alex Elder 2013-05-21 14:37:01 -0500 wip-rbd-testing Babu Shanmugam 2013-05-30 10:28:23 +0530 wip-rgw-geo-enovance Dan Mick 2012-12-18 12:27:36 -0800 wip-rbd-striping 2013-03-15 17:27:54 -0700 wip-cephtool-stderr David Zafman

Re: Segmentation faults in ceph-osd

Hi, Unfortunately we keep getting these segmentation faults even when all the cluster contains is objects from the rados benchmark tool. I've opened an issue for it here: http://tracker.ceph.com/issues/5239 On 21 May 2013 23:27, Anders Saaby wrote: > On 21/05/2013, at 21.00, Samuel Just wrote:

Ceph killed by OS because of OOM under high load

Hi, As my previous mail reported some weeks ago ,we are suffering from OSD crash/ OSD Flipping / System reboot and etc, all these unstable issue really stop us from digging further into ceph characterization. Good news is that we seems find out the cause, I explain our experiment

Re: [ceph-users] Ceph killed by OS because of OOM under high load

On Mon, Jun 3, 2013 at 8:47 AM, Chen, Xiaoxi wrote: > Hi, > As my previous mail reported some weeks ago ,we are suffering from > OSD crash/ OSD Flipping / System reboot and etc, all these unstable issue > really stop us from digging further into ceph characterization. > Good news

Re: [PATCH v1 00/11] locks: scalability improvements for file locking

On Fri, 2013-05-31 at 23:07 -0400, Jeff Layton wrote: > This is not the first attempt at doing this. The conversion to the > i_lock was originally attempted by Bruce Fields a few years ago. His > approach was NAK'ed since it involved ripping out the deadlock > detection. People also really seem to

Re: rationale for a PGLog::merge_old_entry case

In all three cases, we know the authoritative log does not contain an entry for oe.soid, therefore: If oe.prior_version > log.tail, we must already have processed an earlier entry for that object resulting in the object being correctly marked missing (or not) (specifically, the entry for oe.prior_

Re: [PATCH v1 00/11] locks: scalability improvements for file locking

On Fri, May 31, 2013 at 11:07:23PM -0400, Jeff Layton wrote: > Executive summary (tl;dr version): This patchset represents an overhaul > of the file locking code with an aim toward improving its scalability > and making the code a bit easier to understand. Thanks for working on this, that code cou

Re: [PATCH v1 01/11] cifs: use posix_unblock_lock instead of locks_delete_block

On Fri, May 31, 2013 at 11:07:24PM -0400, Jeff Layton wrote: > commit 66189be74 (CIFS: Fix VFS lock usage for oplocked files) exported > the locks_delete_block symbol. There's already an exported helper > function that provides this capability however, so make cifs use that > instead and turn locks

Re: [PATCH v1 02/11] locks: make generic_add_lease and generic_delete_lease static

On Fri, May 31, 2013 at 11:07:25PM -0400, Jeff Layton wrote: > Signed-off-by: Jeff Layton ACK.--b. > --- > fs/locks.c |4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/fs/locks.c b/fs/locks.c > index 7a02064..e3140b8 100644 > --- a/fs/locks.c > +++ b/fs/locks.c >

Re: [PATCH v1 03/11] locks: comment cleanups and clarifications

On Fri, May 31, 2013 at 11:07:26PM -0400, Jeff Layton wrote: > Signed-off-by: Jeff Layton > --- > fs/locks.c | 24 +++- > include/linux/fs.h |6 ++ > 2 files changed, 25 insertions(+), 5 deletions(-) > > diff --git a/fs/locks.c b/fs/locks.c > index e3140b8..

[PATCH 1/2] mds: initialize some member variables of MDCache

From: "Yan, Zheng" I added some member variables to class MDCache, but forget to initialize them. Fixes: #5236 Signed-off-by: Yan, Zheng --- src/mds/MDCache.cc | 5 + 1 file changed, 5 insertions(+) diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc index 8c17172..e2ecba8 100644 --- a/s

[PATCH 2/2] mds: allow purging "dirty parent" stray inode

From: "Yan, Zheng" Signed-off-by: Yan, Zheng --- src/mds/MDCache.cc | 5 - 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc index e2ecba8..7b4f2fa 100644 --- a/src/mds/MDCache.cc +++ b/src/mds/MDCache.cc @@ -9156,7 +9156,7 @@ void MDCache:

[PATCH 7/9] ceph: check migrate seq before changing auth cap

From: "Yan, Zheng" We may receive old request reply from the exporter MDS after receiving the importer MDS' cap import message. Signed-off-by: Yan, Zheng --- fs/ceph/caps.c | 8 +--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 54c290b

[PATCH 0/9] fixes for kclient

From: "Yan, Zheng" this patch series are also in: git://github.com/ukernel/linux.git wip-ceph Regards Yan, Zheng -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordo

[PATCH 2/9] libceph: call r_unsafe_callback when unsafe reply is received

From: "Yan, Zheng" We can't use !req->r_sent to check if OSD request is sent for the first time, this is because __cancel_request() zeros req->r_sent when OSD map changes. Rather than adding a new variable to ceph_osd_request to indicate if it's sent for the first time, We can call the unsafe cal

[PATCH 4/9] ceph: fix cap release race

From: "Yan, Zheng" ceph_encode_inode_release() can race with ceph_open() and release caps wanted by open files. So it should call __ceph_caps_wanted() to get the wanted caps. Signed-off-by: Yan, Zheng --- fs/ceph/caps.c | 22 ++ 1 file changed, 10 insertions(+), 12 deletion

[PATCH 5/9] ceph: reset iov_len when discarding cap release messages

From: "Yan, Zheng" Signed-off-by: Yan, Zheng --- fs/ceph/mds_client.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 4f22671..e2d7e56 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1391,6 +1391,7 @@ static void discard_cap

[PATCH 8/9] ceph: clear migrate seq when MDS restarts

From: "Yan, Zheng" Signed-off-by: Yan, Zheng --- fs/ceph/mds_client.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index e2d7e56..ce7a789 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -2455,6 +2455,7 @@ static int encode_caps_

[PATCH 3/9] libceph: fix truncate size calculation

From: "Yan, Zheng" check the "not truncated yet" case Signed-off-by: Yan, Zheng --- net/ceph/osd_client.c | 14 -- 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 6972d17..93efdfb 100644 --- a/net/ceph/osd_client.c +

[PATCH 1/9] libceph: fix safe completion

From: "Yan, Zheng" handle_reply() calls complete_request() only if the first OSD reply has ONDISK flag. Signed-off-by: Yan, Zheng --- include/linux/ceph/osd_client.h | 1 - net/ceph/osd_client.c | 16 2 files changed, 8 insertions(+), 9 deletions(-) diff --git a/in

[PATCH 9/9] ceph: move inode to proper flushing list when auth MDS changes

From: "Yan, Zheng" Signed-off-by: Yan, Zheng --- fs/ceph/caps.c | 6 ++ 1 file changed, 6 insertions(+) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 790f88b..458a66e 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1982,8 +1982,14 @@ static void kick_flushing_inode_caps(struct c

[PATCH 6/9] ceph: fix race between page writeback and truncate

From: "Yan, Zheng" The client can receive truncate request from MDS at any time. So the page writeback code need to get i_size, truncate_seq and truncate_size atomically Signed-off-by: Yan, Zheng --- fs/ceph/addr.c | 84 -- 1 file changed

RE: [ceph-users] Ceph killed by OS because of OOM under high load

Hi Greg, Yes, Thanks for your advice ,we do turn down the osd_client_message_size_cap to 100MB/OSD ,both Journal queue and filestore queue are set to 100MB also. That's 300MB/OSD in total, but from TOP we see: 16527 1 14:49.01 0 7.1 20 0 S 1147m0 5