Re: [ceph-users] Get Unique object id in cephfs

2014-05-26 Thread Shashank Puntamkar
@min chen Thanks for your reply. I am using 0.72.2 and avoiding cephfs as it is not termed as a production ready in this version. I plan to use only Rados gateway for object storage.I checked the documentation of Ceph and observerd that the concept of OID (as an Integer, or to establishes uniquen

Re: [ceph-users] will open() system call block on Ceph ?

2014-05-26 Thread Yan, Zheng
On Tue, May 27, 2014 at 2:55 AM, Nulik Nol wrote: > Hi, I am developing an application in C and it opens, reads, writes > and closes many files, kind of like a custom database. I am using > Linux's io_submit() system call, so all the read()/write() operations > are asynchronous. But I don't know a

[ceph-users] Get Unique object id in cephfs

2014-05-26 Thread 陈敏
Shashank, I will just show you how to get unique object id in cephfs, this maybe kind of help to you in rgw. I mount the kernel client in /cephdir , and version is ceph-v0.80. 1. list inodes of all files (inode is decimal) root@ceph0:~# ls -i /cephdir 1099511627784 ceph-configure.sh 109951162

Re: [ceph-users] Designing a cluster with ceph and benchmark (ceph vs ext4)

2014-05-26 Thread Smart Weblications GmbH - Florian Wiessner
Am 26.05.2014 15:52, schrieb Listas@Adminlinux: > Thanks Pieter! > > I tried using OCFS2 over DRBD, but was not satisfied. I was being affected by > various bugs in OCFS2. But Oracle was not committed to solving them. > When did you try it? We use such a setup with ocfs2 ontop of rbd with 3.10.4

[ceph-users] SSD and SATA Pool CRUSHMAP

2014-05-26 Thread VELARTIS Philipp Dürhammer
Hi, What is the best way to implement a ssd and sata pool? (both on 3 servers each) We have 3 servers with 15 satas and 4 ssds each. I prefer to have a fast and small ssd pool and a big sata pool then cache tiering or ssds as journals as 15 satas per server with writeback cache is ok from perfor

[ceph-users] will open() system call block on Ceph ?

2014-05-26 Thread Nulik Nol
Hi, I am developing an application in C and it opens, reads, writes and closes many files, kind of like a custom database. I am using Linux's io_submit() system call, so all the read()/write() operations are asynchronous. But I don't know about the open() system call, so I have the following questi

Re: [ceph-users] Designing a cluster with ceph and benchmark (ceph vs ext4)

2014-05-26 Thread Listas@Adminlinux
Thanks Pieter! I tried using OCFS2 over DRBD, but was not satisfied. I was being affected by various bugs in OCFS2. But Oracle was not committed to solving them. -- Thiago Henrique Em 24-05-2014 09:14, Pieter Koorts escreveu: If looking for a DRBD alternative and not wanting to use CephFS i

Re: [ceph-users] Designing a cluster with ceph and benchmark (ceph vs ext4)

2014-05-26 Thread Listas@Adminlinux
Thanks Cristian. I will reflect on what you told me. There is no free lunch, I'll think it's worth paying the price. -- Thiago Henrique Em 24-05-2014 02:43, Christian Balzer escreveu: Hello, On Fri, 23 May 2014 15:41:23 -0300 Listas@Adminlinux wrote: Hi ! I have failover clusters for some

Re: [ceph-users] Question about scalability

2014-05-26 Thread Yan, Zheng
On Mon, May 26, 2014 at 5:14 PM, Christian Balzer wrote: > > Hello, > > On Mon, 26 May 2014 10:28:12 +0200 Carsten Aulbert wrote: > >> Hi all >> >> first off, we have yet to start with Ceph (and other clustered file >> systems other than QFS), therefore please consider me a total newbie >> w.r.t t

[ceph-users] How to get Unique object ID of object in ceph

2014-05-26 Thread Shashank Puntamkar
Thanks Minchen for prompt reply. However I have noticed that when I transfer a file say "File100.txt", it shows as a "File100.txt" , not in that form which you have mentioned in your reply. Following is the output of pool " .rgw.buckets" Command run : " rados -p .rgw.buckets ls -" ---

Re: [ceph-users] How to create authentication signature for getting user details

2014-05-26 Thread Shanil S
Hi All, Finally i created the signature successfully as like said in the above documentation. Thanks for your interest in this topic.. -- Regards Shanil On Fri, May 23, 2014 at 5:34 PM, Shanil S wrote: > Hi All, > > I would like to create a function for getting the user details by passing

Re: [ceph-users] How to create a user using Php api ?

2014-05-26 Thread Shanil S
Hi Wildo, Thank you for your reply. I am trying to execute the function as like http://ceph.com/docs/master/radosgw/adminops/ using php and curl, will it not work ? The authentication tokens are creating correctly but unable to create or list users. It is not possible to create users using the ab

[ceph-users] ceph-disk: Error: No cluster conf found in /etc/ceph with fsid

2014-05-26 Thread JinHwan Hwang
I'm trying to install ceph 0.80.1 on ubuntu 14.04. All other things goes well except 'activate osd' phase. It tells me they can't find proper fsid when i do 'activate osd'. This is not my first time of installing ceph, and all the process i did was ok when i did on other(though they were ubuntu 12.

Re: [ceph-users] Question about scalability

2014-05-26 Thread Christian Balzer
Hello, On Mon, 26 May 2014 10:28:12 +0200 Carsten Aulbert wrote: > Hi all > > first off, we have yet to start with Ceph (and other clustered file > systems other than QFS), therefore please consider me a total newbie > w.r.t to Ceph. > Firstly the usual heads up, CephFS is not considered ready

Re: [ceph-users] How to get Unique object ID of object in ceph

2014-05-26 Thread minchen
Hi Shashank, I think you should use "rados -p ls" to list all objects in , if there is a image in , like this : root@ceph0:~# rados -p testpool ls rb.0.1017.6b8b4567.1806 rb.0.1017.6b8b4567.0f32 rb.0.1017.6b8b4567.1b5b rb.0.1017.6b8b4567.181f rb.0.1017.6b8b4

[ceph-users] Question about scalability

2014-05-26 Thread Carsten Aulbert
Hi all first off, we have yet to start with Ceph (and other clustered file systems other than QFS), therefore please consider me a total newbie w.r.t to Ceph. We are trying to solve disk I/O problems we face and would like to explore if we could utilize our currently underused network more in exc

Re: [ceph-users] How to create a user using Php api ?

2014-05-26 Thread Wido den Hollander
On 05/26/2014 09:23 AM, Shanil S wrote: Hi, How can i create a new user using the php api ? i have successfully created the auth signatures and authentication. My doubt is that how can i pass the uid to the api, i am using curl and php for creating user. You mean via phprados? You can't creat

[ceph-users] How to create a user using Php api ?

2014-05-26 Thread Shanil S
Hi, How can i create a new user using the php api ? i have successfully created the auth signatures and authentication. My doubt is that how can i pass the uid to the api, i am using curl and php for creating user. -- Regards Shanil ___ ceph-users mail

Re: [ceph-users] Ceph and low latency kernel

2014-05-26 Thread Andrey Korolyov
On Mon, May 26, 2014 at 10:53 AM, Stefan Priebe - Profihost AG wrote: > Hi, > > sorry it was a bit poorly defined. > > I'm talking about thinks like this: > http://lwn.net/Articles/551179/ > > Stefan > Not sure if Ceph can have any advantage of it, as for common Ceph operations looks like they ar