User Guide
5. System Management
5.5 Partially Populated Enclosures
Step 5 : If needed, use the sg_ses <device> -p0xf -c --nickname= command to clear the
subenclosure's nickname (set it to an empty string):
# sg_ses <device> -p0xf -c --nickname=
<manufacturer> <regulatorymodel> <firmwareversion>
No errors
If the command was successful, No errors will be returned.
Step 6 : Repeat the sg_ses <device> -p0xf command to view the Subenclosure Nickname page and
verify that the nickname was cleared:
# sg_ses <device> -p0xf
<manufacturer> <regulatorymodel> <firmwareversion>
Subenclosure nickname status diagnostic page:
number of secondary subenclosures: 0
generation code: 0x0
subenclosure identifier: 0
nickname status: 0x0
nickname additional status: 0x0
nickname language code:
nickname:
5.5
Partially Populated Enclosures
5.5.1
Partial Population Configurations
The Ultrastar Data102 supports partially-populated configurations that allow a user to increase the size of
storage based on their needs. There are specific requirements that must be followed to ensure that the
enclosure functions properly during operation. Partial population configurations that do not comply with
the requirements listed in this section may result in enclosure performance issues. The following section
details the requirements for HDD and HDD/SSD based configurations.
Minimum HDD Partial Population
The enclosure supports a minimum of 60 SAS or SATA HDDs for a partially-populated enclosure. The
enclosure does not support a mix of SAS and SATA drives. The enclosure must be populated starting with
the drives closest to the rear of the enclosure and work towards the front of the enclosure. If more drives
are installed into the enclosure, any unfinished rows must be completed with drive blanks. The image
below details the minimum required configuration for an HDD only configuration.
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