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

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> 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-<something>/<identifier> symlinks?

Eg
/dev/disk/by-uuid/153cf32b-e46b-4d31-95ef-749db3a88d02
/dev/disk/by-id/scsi-SATA_WDC_WD10EACS-00D_WD-WCAU66606660

Your distribution should allow for such things automatically, and if not you should be able to add some udev rules to do it.

James
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