[ceph-users] Bareos and libradosstriper works only for 4M sripe_unit size

ian.johnson at stfc.ac.uk ian.johnson at stfc.ac.uk
Wed Oct 11 03:11:33 PDT 2017


Hi Gregory
You're right, when setting the object layout in libradosstriper, one should set all three parameters (the number of stripes, the size of the stripe unit, and the size of the striped object). The Ceph plugin for GridFTP has an example of this at https://github.com/stfc/gridFTPCephPlugin/blob/master/ceph_posix.cpp#L371

At RAL, we use the following values:

$STRIPER_NUM_STRIPES 1
$STRIPER_STRIPE_UNIT 8388608
$STRIPER_OBJECT_SIZE 67108864

Regards,

Ian Johnson MBCS
Data Services Group
Scientific Computing Department
Rutherford Appleton Laboratory

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