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Promise Technology VTRAK E610f User Manual

Promise Technology VTRAK E610f
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Chapter 7: Technology Background
295
data as before. When migration is complete, your disk array will have a different
RAID level and/or a larger capacity.
In most cases, you must add one or more physical drives during the migration
process. You can never reduce the number of physical drives.
The tables below show the migration options for a source logical drive according
to its RAID level. The available target RAID levels are shown with their
requirements.
See “Migrating a Disk Array” on page 147 or page 196.
RAID 0
A RAID 0 source logical drive can migrate to the following target logical drives:
Target Requirements
RAID 0 Add physical drives.
RAID 1 2 physical drives only.
Only a single-drive RAID 0 can migrate to RAID 1 by adding 1
physical drive.
RAID 1E 3 or more physical drives.
If existing physical drives have no unused space, add 1 or
more physical drives.
RAID 5 3 physical drives minimum, 16 maximum.
RAID 0 must have less than 16 physical drives.
If existing physical drives have no unused space, add 1 or
more physical drives.
RAID 6 4 physical drives minimum, 16 maximum.
If existing physical drives have no unused space, add 1 or
more physical drives.
RAID 10 4 physical drives minimum.
Even number of physical drives.
If existing physical drives have no unused space, add 1 or
more physical drives.
RAID 50 6 physical drives minimum, 32 per axle maximum.
If existing physical drives have no unused space, add 1 or
more physical drives.

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Promise Technology VTRAK E610f Specifications

General IconGeneral
BrandPromise Technology
ModelVTRAK E610f
CategoryStorage
LanguageEnglish

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