Re: some questions about ceph

2013-01-23 Thread Gregory Farnum
On Wednesday, January 23, 2013 at 3:35 PM, Yue Li wrote: > Hi, > > i have some questions about ceph. > > ceph provide a POSIX client for users. > for aio-read/write, it still use page cache on client side (seems to > me). How long will the page cache expire (in case the

some questions about ceph deployment

2010-09-04 Thread FWDF
　　We use 3 servers to build a test system of ceph, configured as below: 　　 　　Host IP 　　client01192.168.1.10 　　ceph01 192.168.2.50 　　ceph02 192.168.2.51 　　 　　The OS is unbuntu 10.04 LTS and the version of ceph is v0.21.1 　　 　

Re: some questions about ceph deployment

2010-09-17 Thread Sage Weil
Sorry, I just realized this one slipped through the cracks! On Sat, 4 Sep 2010, FWDF wrote: > We use 3 servers to build a test system of ceph, configured as below: > > Host IP > client01192.168.1.10 > ceph01 192.168.2

Re: some questions about ceph deployment

2010-09-22 Thread cang lin
Thanks for your replay,Sege.I think ceph is a very good distributed filesystem and want to test it in product environment.Your reply is very important to us. 2010/9/18 Sage Weil  > > Sorry, I just realized this one slipped through the cracks! > > On Sat, 4 Sep 2010, FWDF wrote: > > > We use 3 serv

Re: some questions about ceph deployment

2010-09-22 Thread Sage Weil
On Wed, 22 Sep 2010, cang lin wrote: > We not only mount ceph onto a client in the same subnet but also mount it > onto remote client through internet.in the first week everything worked > fine,it is about 100G write operation and 10 times read operation per > day.The file was almost read only and

Re: some questions about ceph deployment

2010-09-22 Thread cang lin
2010/9/23 Sage Weil : > On Wed, 22 Sep 2010, cang lin wrote: >>  What confuse me is why the client can't access ceph?Even if the osd was >> down shouldn't affect the client.what is the reason for the client canÿÿt >> access or unmount ceph? > > It could be a number of things.  The output from > >  

Re: some questions about ceph deployment

2010-09-22 Thread Sage Weil
On Wed, 22 Sep 2010, Sage Weil wrote: > On Wed, 22 Sep 2010, cang lin wrote: > > > When I follow the instruction of > > > http://ceph.newdream.net/wiki/Monitor_cluster_expansion to expand a > > > monitor to ceph02, the following error occurred: > > > > > > > > r...@ceph02:~# /etc/init.d/c

Re: some questions about ceph deployment

2010-09-22 Thread cang lin
Hi Sage, 2010/9/23 Sage Weil : > On Wed, 22 Sep 2010, Sage Weil wrote: >> On Wed, 22 Sep 2010, cang lin wrote: >> > >          When I follow the instruction of >> > > http://ceph.newdream.net/wiki/Monitor_cluster_expansion to expand a >> > > monitor to ceph02, the following error occurred: >> > >