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Promise Technology E610f Manual de usuario Pagina 9

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Usually, Email is a preferred notification method. In certain user environments, there may be an existing alert notification
infrastructure that is based on a standard network management protocol such as SNMP. In this case, SNMP notification
can be configured to integrate with the existing infrastructure.
For detailed instructions on how to configure event notification through Email and SNMP, please refer to the VTrak E610f
Product Manual. You can find all of the Product Manuals on the Promise website under the Downloads section (Support >
Downloads).
Configuring the RAID
Promise VTrak E-Class external disk array subsystems support RAID levels of 0, 1, 1E, 10, 5, 6, 50 and 60. They also
support the mixing of different RAID level volumes in the same disk group to meet the requirements of different application
performance profiles.
This section provides the proven configurations for typical VTL applications to achieve the best backup and deduplication
performance.
Figure 3. Recommended RAID configuration
As illustrated Figure 3, in each enclosure, PD (physical drive) 1 through 15 form a disk array, and PD 16 serves as the hot
spare. In each disk array, multiple logical drives (volumes) can be carved out. Depending on the capacity requirement,
this configuration can be repeated on up to four VTrak J610s expansion units per VTrak E610f RAID head.
Depending on the application requirement, you may configure more drives as hot spares, or you may also configure fewer
hot spares.
RAID 5 and RAID 6
The recommend RAID configuration for the logical drives is RAID 6, as RAID 6 offers excellent reliability due to double
spindle failure protection. In the case that logical drives are used to store backup data temporarily for later deduplication
processing, the logical drives can be configured as RAID 5.
In either case, you should configure at least one hot spare drive for every 16 physical drives to protect the RAID
redundancy in case of drive failure.
Best Practices Guide 8
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