Hi all:
on DELL R740xd server, use AVAGO MegaRAID SAS 9460-16i card and 3 Intel P4510 SSD make RAID5 or RAID0, the 4k write or read performace very poor, for randwrite the IOPS only 20k.
Could you please give me some advices ? how to improve ...
Hi Josh B.
Thanks for your reply.
my step as follows:
1, create RAID0.
after Create RAID0,the disk path is scsi not nvme. use lsscsi can see new disk /dev/sda
2, use fio run randwrite
[root@localhost temp]# fio --ioengine=libaio --direct=1 --buffere...