Good day! Please help me solve the problem. There are the following scheme :
Server ESXi with 1Gb NICs. it has local store store2Tb and two isci storage
connected to the second server .
The second server supermicro: two 1TB hdd (lsi 9261-8i with battery), 8 CPU
cores, 32 GB RAM and 2 1Gb NICs . On /dev/sda installed ubuntu 12 and
ceph-emperor. /dev/sdb disk placed under osd.0.
What i do next:
# rbd create esxi
# rbd map esxi
Get /dev/rbd1 which shared using iscsitarget
# cat ietd.conf
Target iqn.2014-01.ru.ceph: rados.iscsi.001
Lun 0 Path = / dev/rbd1, Type = blockio, ScsiId = f817ab
Target iqn.2014-01.ru.ceph: rados.iscsi.002
Lun 1 Path = / opt/storlun0.bin, Type = fileio, ScsiId = lun1, ScsiSN = lun1
For test I also create iscsi storage on /dev/sda (Lun1).
When migrating a virtual machine from store2Tb to Lun0 (ceph) the rate of
migration of 400-450 Mbit/second.
When migrating a VM from store2Tb to Lun1 (ubuntu file) then the rate of
migration of 800-900 Mbit / second.
>From this I conclude that the rate is not limited by disk(controller) and not
>to the network.
Tried osd format to ext4 and xfs and btrfs but same speed. For me, speed is
very important , especially since the plan
translate 10Gb network links.
Thanks.
Vitaliy
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