Fujitsu ETERNUS DX60 S3 User Manual page 572

Chapter 6 Thin Provisioning Pool Management
6.5 Expand Thin Provisioning Pool
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Select "Automatic" for the expansion mode and specify the TPP capacity after expansion.
The main setting item is as follows.
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Automatic Setting
• Total Capacity after expand
• When the TPP is configured with a drive type of SSD, SSDs with the same type (SSD-M/SSD) as the
existing drives are selected. If RAID groups cannot be configured with SSDs of a relevant type, RAID
groups are created in the ETERNUS DX by selecting the most installed type among the SSDs with
the same capacity. In this case, RAID groups with different SSD types exist in a TPP. Note that SSD
types have no order of priority. If RAID groups cannot be created with any type of SSDs, TPP
expansion is not available.
• When SSD-Ms with an interface speed of 12Gbit/s are installed in a high-density drive enclosure,
the SSDs operate at 6Gbit/s because the interface speed of the high-density drive enclosure is
6Gbit/s. When 12Gbit/s SSD-Ms are installed in the high-density drive enclosure, select the drives
manually. If drives are automatically selected from SSDs that are from the high-density drive
enclosures, or from both the high-density drive enclosures and other drive enclosures, all SSDs
operate at 6Gbit/s.
• When the RAID level is "High Performance (RAID1+0)" or "High Capacity (RAID5)", drives that are
6TB or larger (except SSDs and SSD SEDs) are not selected.
• If an error screen appears under the following conditions, check the parameter settings.
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Click the [Expand] button.
 A confirmation screen appears.
The capacity is not specified for "Total Capacity after expand"
The entered value in the "Total Capacity after expand" is equal to or lower than the existing
capacity
The total value of TPP capacity to be expanded and existing pool capacity exceeds the
maximum pool capacity for each model
The TPP cannot be expanded over the specified capacity in the drive installed in the ETERNUS
DX
ETERNUS Web GUI User's Guide (Settings)
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