I understood.Thank you.
-SunJie
2012/10/25 Gregory Farnum <greg@xxxxxxxxxxx>:
> Sorry, I was unclear — I meant I think[1] it was fixed in our linux branch, for future kernel releases. The messages you're seeing are just logging a perfectly normal event that's part of the Ceph protocol.
> -Greg
> [1]: I'd have to check to make sure. Sage, Alex, am I remembering that correctly?
>
>
> On Wednesday, October 24, 2012 at 11:45 PM, jie sun wrote:
>
>> What is the version of the master branch ? I use the stable version 0.48.2
>> Thank you!
>> -SunJie
>>
>> 2012/10/24 Gregory Farnum <greg@xxxxxxxxxxx>:
>> > On Tuesday, October 23, 2012 at 10:48 PM, jie sun wrote:
>> > > My vm kernel version is "Linux ubuntu12 3.2.0-23-generic".
>> > >
>> > > "ceph-s" shows
>> > > " health HEALTH_OK
>> > > monmap e1: 1 mons at {a=10.100.211.146:6789/0}, election epoch 0, quorum 0 a
>> > > osdmap e152: 10 osds: 9 up, 9 in
>> > > pgmap v48479: 2112 pgs: 2112 active+clean; 23161 MB data, 46323 MB
>> > > used, 2451 GB / 2514 GB avail
>> > > mdsmap e31: 1/1/1 up {0=a=up:active} "
>> > >
>> > > In my vm, I do operations like:
>> > > I install 4 debs on my vm, such as libnss3, libnspr4, librados2,
>> > > librbd1. And then execute "modprobe rbd" so that I can map a image to
>> > > my vm.
>> > > Then "rbd create foo --size 10240 -m $monIP(my ceph mon IP)",
>> > > "rbd map foo -m $monIP" ------ Here a device /dev/rbd0 can be
>> > > used as a local device
>> > > "mkfs -t ext4 /dev/rbd0"
>> > > "mount /dev/rbd0 /mnt(or some other directory)"
>> > > After the operations above, I can use this device. But it oftern
>> > > prompt some log like "libceph: osd9 10.100.211.68:6809 socket closed".
>> > > I just want to mount a device to my vm, so I didn't install a ceph
>> > > client. Is this proper to do so?
>> >
>> >
>> >
>> > You might consider using the native QEMU/libvirt instead; it offers some more advanced options. But if you're happy with it, this certainly works!
>> >
>> > The "socket closed" messages are just noise; it's nothing to be concerned about (you'll notice they're happening every 15 minutes for each OSD; probably you aren't doing any disk accesses). I think these warnings actually got removed from our master branch a few days ago.
>> > -Greg
>>
>
>
>
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