VessRAID 1740s, 1840s Product Manual
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migration of data from the suspect drive (the disk drive with the bad
sectors) to a spare disk drive.
3. From the Media Type dropdown menu, choose the physical drive type to use
in the array.
• HDD – Hard Disk Drives
• SSD – Solid State Drives
The drive type you selected appears in the list of Physical Drives. You
cannot mix HDDs and SSDs in the same disk array.
4. Highlight the physical drives you want in the disk array from the Available list
and press the >> button to move them to the Selected list.
You can also double-click them to move them.
5. When you are done, click the Next button.
Step 2 – Logical Drive Creation
1. Optional. Enter an Alias (name) for the first logical drive.
2. Choose a RAID level for the logical drive from the dropdown menu.
The choice of RAID levels depends on the number of physical drives you
selected.
3. RAID 50 and 60 only. Choose the number of axles from the dropdown menu.
4. Specify a Capacity and the unit of measure (MB, GB, or TB).
This value will be the data capacity of the logical drive. If you specify less
than disk array’s maximum capacity, the remainder is available for additional
logical drives.
5. Specify a Stripe size from the dropdown menu.
64, 128, 256, 512 KB, and 1 MB are available. 64 KB is the default.
6. Specify a Sector size from the dropdown menu.
512 Bytes, 1, 2, and 4 KB are available. 512 Bytes is the default.
7. Choose a Read Cache policy:
Read Cache, Read Ahead Cache, and No Cache are available. Read Ahead
is the default.
8. Choose a Write Cache policy:
Write Back and Write Through are available. Write Back is the default.
9. From the Initialization dropdown menu, choose an Initialization policy.
None, Quick, and Full are available. None is the default but is not
recommended.
10. Click the Update button.
A new logical drive is displayed under New Logical Drives.
Repeat the above steps to specify additional logical drives as desired.
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