3C健忘人 - 疑難排除不求人 - no more ask for IT help

 1. lsblk 2.gdisk /dev/sdf => n => enter => enter => enter => enter => w  # for whole volume   gdisk /dev/sdg => n => enter => enter => enter => enter  => w  # for whole volume 4. lsblk 5. mdadm --create /dev/md0 --level=0 --raid-devices=2 /dev/sdf1 /dev/sdg1 6. mkfs -t xfs  /dev/md0  7. lsblk # lvm 5-1. pvcreate /dev/sdf1 6-1. pvcreate /dev/sdg1 7-1. vgcreate saspool /dev/sdf1 /dev/sdg1 8-1 vgdisplay     9-1. lvcreate --size 523.88TB --name lv02 saspool 10-1. lvscan 10-2 lvdisplay /dev/saspool/lv02 11.  mkfs -t xfs  /dev/saspool/lv02 12. mount /dev/saspool/lv02 /home_sas # remeber to add /etc/fstab 13.   df -h   14 lsblk  

 1. Ctrl +R to go into Configuration Utility 2. To opt disks to convert to RAID 3 Comfirm RAID property

1. Capacity 256GB 2. Brand: SAMSUNG MZHPU256 with PCIe Adapter vs Sandisk 128G*2 with QNAP A2AMR Raid-0 3. Conclusion      (Figure 1) Raid-0 has less Access Time and stable accessing, But PCIe SSD has more Average Read / Write Rate in  Figure 1. Courtesy of Gnome Disks Utility  

1. Reboot System and Press Ctrl+H to go into LSI Web BIOS Configuration 2. Show all hardware disks in Physical View WIndows 3. Go into Configuration Wizard 4. Choose Manual Configuration 5. Setup Drive Group (DG Array) for Raid-1 of DG0 6. Setup Drive Group (DG Array) for Raid-1 of DG1 7. Add DG0 and DG1 to Span Virtual Disk, then click Next 8.Click Update Size for Virtual Disk and Choose RAID 10 at left column, other settings are in default. After tune all parameter of virtual disk, please select Accept 9. Write Through mode alert, please select Yes 10.Construct New Vritual Drive and Initialization alert, please select Yes , 11. Build up a Virtual Drive of 7.275TB and status is optimal 12. Assign Virtual Drive is a Bootable Drive 13. Check Disks Consiste...