Skip to main content
NetApp Response to Russia-Ukraine Cyber Threat
In response to the recent rise in cyber threat due to the Russian-Ukraine crisis, NetApp is actively monitoring the global security intelligence and updating our cybersecurity measures. We follow U.S. Federal Government guidance and remain on high alert. Customers are encouraged to monitor the Cybersecurity and Infrastructure Security (CISA) website for new information as it develops and remain on high alert.
NetApp Knowledge Base

How many drives should be assigned for disk pool preservation capacity in a E-Series system?

Views:
582
Visibility:
Public
Votes:
0
Category:
e-series-santricity-management-software
Specialty:
esg
Last Updated:

Applies to

  • All E-Series Controllers
  • All E-Series Firmware

Answer

  • Number of drives reserved by default for preservation capacity when creating a Disk Pool in SANtricity:
Disk Pool Drive Count Default Number of Drives Reserved for Preservation Capacity 
11 1
12-31 2
32-63 3
64-127 4
128-191 6
192-255 7
256-384 8
  • Table can be used to determine number of drives required for preservation capacity for new disk pools or adding/removing drives to an existing disk pool
  • The number of drives assigned for preservation capacity will depend on user comfort level with amount of failures the disk pool can sustain before failing

Additional Information

 

 

Scan to view the article on your device