[ceph-users] [Big Problem?] Why not using Device'UUID in ceph.conf

2013-11-26 Thread Ta Ba Tuan
Hi all I have 3 OSDs, named sdb, sdc, sdd. Suppose, one OSD with device */dev/sdc* die => My server have only sdb, sdc at the moment. Because device /dev/sdc replaced by /dev/sdd I have the following configuration: [osd.0] host = data-01 devs = /dev/sdb1 [osd.1] host = data-01 dev

Re: [ceph-users] [Big Problem?] Why not using Device'UUID in ceph.conf

2013-11-26 Thread James Harper
> Hi all > > I have 3 OSDs, named sdb, sdc, sdd. > Suppose, one OSD with device /dev/sdc die => My server have only sdb, sdc > at the moment. > Because device /dev/sdc replaced by /dev/sdd Can you just use one of the /dev/disk/by-/ symlinks? Eg /dev/disk/by-uuid/153cf32b-e46b-4d31-95ef-749db3a88

Re: [ceph-users] [Big Problem?] Why not using Device'UUID in ceph.conf

2013-11-26 Thread Ta Ba Tuan
Hi James, Proplem is why the Ceph not recommend using Device'UUID in Ceph.conf, when, above error can be occur? -- TuanTaBa On 11/26/2013 04:04 PM, James Harper wrote: Hi all I have 3 OSDs, named sdb, sdc, sdd. Suppose, one OSD with device /dev/sdc die => My server have only sdb, sdc at the

Re: [ceph-users] [Big Problem?] Why not using Device'UUID in ceph.conf

2013-11-27 Thread Josh Durgin
On 11/26/2013 01:14 AM, Ta Ba Tuan wrote: Hi James, Proplem is why the Ceph not recommend using Device'UUID in Ceph.conf, when, above error can be occur? I think with the newer-style configuration, where your disks have partition ids setup by ceph-disk instead of entries in ceph.conf, it does