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RAID levels
The supported RAID levels vary by NVMe VROC module model. For more information, see
H3C
Servers Storage Controllers Technical Specifications
.
shows the minimum number of drives required by each RAID level and the maximum
number of failed drives supported by each RAID level. For more information about RAID levels, see
"Appendix B RAID arrays and fault tolerance."
Table 2 RAID levels and the numbers of drives for each RAID level
RAID level
Min. drives required
Max. failed drives
RAID 0
2
0
RAID 1
2
1
RAID 5
3
1
RAID 10
4
2
Restrictions and guidelines for RAID configuration
•
As a best practice, install drives that do not contain RAID information.
•
For efficient use of storage, use drives that have the same capacity to build a RAID. If the
drives have different capacities, the lowest capacity is used across all drives in the RAID.
•
If one drive is used by several logical drives, RAID performance might be affected and
maintenance complexities will increase.
•
To use VROC (NVMe RAID), the system has specific requirements on the VMware operating
system. For more information, access
http://www.h3c.com/cn/home/qr/default.htm?id=367
Configuring RAID arrays in UEFI mode
This section describes how to configure RAID arrays through an embedded RSTe RAID controller in
UEFI mode. For more information about how to enter the BIOS and set the boot mode to UEFI, see
the BIOS user guide for the server.
RAID array configuration tasks at a glance
To configure RAID arrays in UEFI mode, perform the following tasks:
•
•
Accessing NVMe RAID configuration screen
•
•
•
Configuring VMD settings
CAUTION:
Enabling VMD on a G6 server might cause the BIOS to get stuck. VMD is disabled by default. As a
best practice, do not enable it.
To configure VMD settings:
Содержание UniServer R4300 G6
Страница 36: ...21 Figure 23 Selecting the controller and RAID level 4 Select drives and then click Next...
Страница 40: ...25 Figure 27 Selecting the RAID array to be deleted 2 In the dialog box that opens click Yes...
Страница 41: ...26 Figure 28 Confirming the deletion 3 Verify that the RAID array has been deleted on the Volumes page...
Страница 65: ...23 Figure 36 Modifying RAID parameters 6 Confirm the RAID volume information and then click Create Volume...
Страница 66: ...24 Figure 37 Confirming RAID creation 7 Click OK to complete the RAID creation...
Страница 70: ...28 Figure 41 Setting the selected drive as a hot spare drive 4 In the dialog box that opens click Yes...
Страница 73: ...31 Figure 44 Deleting a RAID array 3 In the dialog box that opens click Yes as shown in Figure 45...
Страница 164: ...89 Figure 158 Selecting Main Menu 2 Select Controller Management and press Enter...
Страница 301: ...70 Figure 116 Array Configuration screen 3 On the screen as shown in Figure 117 select the target array and press Enter...
Страница 312: ...81 Figure 129 Erasing a drive 3 On the screen as shown in Figure 130 select the erase pattern and press Enter...
Страница 321: ...90 Figure 138 Configure Controller Settings screen for the RAID P460 B2...
Страница 330: ...99 Figure 147 Manage Arrays screen 5 On the screen as shown in Figure 148 select Create Logical Drive...
Страница 469: ...19 Examples Viewing physical drive informatoin Syntax mnv_cli info o pd Examples...
Страница 512: ...6 2 Select Main Menu and then press Enter Figure 9 Selecting Main Menu 3 Select Drive Management and then press Enter...
Страница 513: ...7 Figure 10 Selecting Drive Management 4 Select the target drive and then press Enter...
Страница 514: ...8 Figure 11 Select the target drive 5 View the value of the Status field...
Страница 521: ...15 Figure 22 Selecting the storage controller 2 Select Main Menu and then press Enter Figure 23 Selecting Main Menu...
Страница 529: ...23 Figure 33 Identifying a storage controller 2...