Hi Folks ,
I have executed all required steps to build Ceph from source but now
when I execute service Ceph start it shows
---//Error
root@atish-virtual-machine:/ceph_data# service ceph start
/etc/init.d/ceph: 37: .:
Hi,
Kindly guide me how to improve performance on the cluster which consist
of 5 dedicated servers:
- ceph.conf: http://pastebin.com/hT3qEhUF
- file system on all drives is ext4
- mount options user_xattr
- each server has :
CPU:Intel® Xeon® Processor E5335(8M Cache, 2.00 GHz, 1333 MHz FSB)
Hello,
I have 3 monitors on different nodes and when 'mon.a' was stopped whole
cluster stopped work too.
My conf: http://pastebin.com/hT3qEhUF
Could someone explain how to fix such kind of failure?
--
Kind regards,
R. Alekseev
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On 10/29/2012 03:48 PM, Roman Alekseev wrote:
Hello,
I have 3 monitors on different nodes and when 'mon.a' was stopped whole
cluster stopped work too.
My conf: http://pastebin.com/hT3qEhUF
Could someone explain how to fix such kind of failure?
Could you explain a bit more about the setup?
g...@inktank.com said:
Eeek, I was going through my email backlog and came across this thread again.
Everything here does look good; the data distribution etc is pretty
reasonable. If you're still testing, we can at least get a rough idea of the
sorts of IO the OSD is doing by looking at the
Hi Linus,
Please pull the following fixes from
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git for-linus
There are two fixes in the messenger code, one that can trigger a NULL
dereference, and one that error in refcounting (extra put). There is also
a trivial fix that in
Guys,
I'm running a three node cluster (version 0.53), and after a while of
running under constant write load generated by two daemons, I am
seeing that 1 request is totally blocked:
[WRN] 1 slow requests, 1 included below; oldest blocked for 7550.891933 secs
2012-10-29 10:33:54.689563 osd.0
Interesting, I don't think the request is stalled. I think we
completed the request, but leaked a reference to the request
structure. Do you see IO from the clients stall? What is the output
of ceph -s? What version are you running (ceph-osd --version)?
-Sam
On Mon, Oct 29, 2012 at 10:53 AM,
The client's IO held up fine, and I don't see any signs of them
blocking. The writes are done inside of an aio_operate() rados call.
In the client logs too, I don't see any record of a failed write.
ceph -s
health HEALTH_OK
monmap e1: 1 mons at {a=10.25.36.11:6789/0}, election epoch 2,
Last time you asked this, I responded (on 18 Oct):
So, clearly something went wrong with the installation step, and this
file was not created. How did you install after building?
On 10/29/2012 02:27 AM, hemant surale wrote:
Hi Folks ,
I have executed all required steps to build Ceph from
On 10/26/2012 02:52 PM, Gandalf Corvotempesta wrote:
Hi all,i'm new to ceph.
Are RBD and REST API production ready?
There are sites using them in production now.
Do you have any use case to share? we are looking for a distributed
block storage for an HP C7000 blade with 16 dual processor
This is much easier to read now. It might be useful
to add messages for the different failure cases in
bio_chain_clone_range later.
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 03:44 PM, Alex Elder wrote:
When processing a request, rbd_rq_fn() makes clones of the bio's in
the
On 10/26/2012 03:45 PM, Alex Elder wrote:
If rbd_dev_snaps_update() has ever been called for an rbd device
structure there could be snapshot structures on its snaps list.
In rbd_add(), this function is called but a subsequent error
path neglected to clean up any of these snapshots.
Add a call
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 03:45 PM, Alex Elder wrote:
If a format 2 image has a parent, its pool id will be specified
using a 64-bit value. Change the pool id we save for an image to
match that.
Signed-off-by: Alex Elder el...@inktank.com
---
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 03:51 PM, Alex Elder wrote:
Moving the snap_id and snap_name fields into the separate
rbd_mapping structure was misguided. (And in time, perhaps
we'll do away with that structure altogether...)
Move these fields back into struct
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 03:51 PM, Alex Elder wrote:
A Boolean field snap_exists in an rbd mapping is used to indicate
whether a mapped snapshot has been removed from an image's snapshot
context, to stop sending requests for that snapshot as soon as we
know
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 03:55 PM, Alex Elder wrote:
Move option parsing out of rbd_get_client() and into its caller.
Signed-off-by: Alex Elder el...@inktank.com
---
drivers/block/rbd.c | 48 +++-
1 file
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 03:55 PM, Alex Elder wrote:
This patch makes rbd_add_parse_args() be the single place all
argument parsing occurs for an image map request:
- Move the ceph_parse_options() call into that function
- Use local variables
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 04:00 PM, Alex Elder wrote:
The value returned in the snap_name_len argument to
rbd_add_parse_args() is never actually used, so get rid of it.
The snap_name_len recorded in *rbd_dev_v2_snap_name() is not
useful either, so get rid
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 04:00 PM, Alex Elder wrote:
They options argument to rbd_add_parse_args() (and it's partner
options_size) is now only needed within the function, so there's no
need to have the caller allocate and pass the options buffer. Just
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 04:01 PM, Alex Elder wrote:
The snapshot name returned by rbd_add_parse_args() just gets saved
in the rbd_dev eventually. So just do that inside that function and
do away with the snap_name argument, both in rbd_add_parse_args()
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 04:02 PM, Alex Elder wrote:
Have the caller pass the address of an rbd_options structure to
rbd_add_parse_args(), to be initialized with the information
gleaned as a result of the parse.
I know, this is another near-reversal of a
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 04:02 PM, Alex Elder wrote:
Change the interface to rbd_add_parse_args() so it returns an
error code rather than a pointer. Return the ceph_options result
via a pointer whose address is passed as an argument.
Signed-off-by: Alex
A couple notes below, but looks good.
Reviewed-by: Josh Durgin josh.dur...@inktank.com
On 10/26/2012 04:03 PM, Alex Elder wrote:
Group the fields that uniquely specify an rbd image into a new
reference-counted rbd_spec structure. This structure will be used
to describe the desired image when
On 10/26/2012 04:03 PM, Alex Elder wrote:
With layered images we'll share rbd_spec structures, so add a
reference count to it. It neatens up some code also.
Could you explain your plan for these data structures? What
will the structs and their relationships look like with
clones mapped?
A
On 10/26/2012 04:03 PM, Alex Elder wrote:
Pass the address of an rbd_spec structure to rbd_add_parse_args().
Use it to hold the information defining the rbd image to be mapped
in an rbd_add() call.
Use the result in the caller to initialize the rbd_dev-id field.
This means rbd_dev is no longer
This is my proposal for handling Java unit test compilation:
1. Go with Joe's suggestion to backport the unit tests to the oldest
version of JUnit shipping with the latest Ubuntu and Fedora.
2. Use --with-debug to enable unit test building:
--enable-cephfs-java: no change
--with-debug
Okay, that patch worked and it seems to be running, again. Should I continue
to run with that patch, or go back to the original binaries?
Gregory Farnum 10/19/12 4:16 PM
I've written a small patch on top of v0.48.1argonaut which should
avoid this. It's in branch 3369-mds-session-workaround
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