Specifications

The serial number contains the following information:
• Manufacturing location code (two characters)
• Date code (three digits)
• Component serial number (five digits)
For Labor Activity Reporting System (LARS), record only the manufacturing
location code, and the component serial number. Perform the following steps to
obtain the code and serial number:
1. Complete ESD precautions to include wearing an ESD grounding strap
properly connected to a known ground.
2. Remove the front and rear enclosure covers.
3. Remove the first disk drive from the enclosure using the procedures described
in the SA7x Enclosure Service Manual.
4. Verify that the serial numbers on the disk drive and the enclosure are the
same.
5. Verify that the enclosure serial number label is in the correct position.
6. Record the drive and HDA serial numbers in the site log and LARS.
7. Replace the drive in its assigned position.
8. Repeat Steps 3 through 7 for all drives.
9. Replace the front and rear enclosure covers.
Figure 3–15 RA7x Disk Drive Serial Number Location
LEFT REAR
DISK DRIVE
SERIAL NUMBER
LABEL
COM-0104
LEFT FRONT
DISK DRIVE
SERIAL NUMBER
LABEL
RIGHT REAR
DISK DRIVE
SERIAL NUMBER
LABEL
RIGHT FRONT
DISK DRIVE
SERIAL NUMBER
LABEL
SA7X ENCLOSURE
FRONT COVER
Installing a Storage Array 3–23