Product manual

12 Pulsar XT.2 SAS Product Manual, Rev. B
5.2.2 FORMAT UNIT command execution time for 512-byte LBA’s (minutes)
The device may be formatted as either a Thin Provisioned
device or a Fully Provisioned device. The default
format is Thin Provisioned and is recommended for most applications. Thin Provisioning provides the most
flexibility for the device to manage the flash medium to maximize endurance.
Table 5:
Maximum FORMAT UNIT Times (minutes)
Configuration
Format Mode DCRT Bit IP Bit 400GB 200GB 100GB
Non-SED
(Default) Thin Provisioned DCRT = 0 IP = 0 5 5 5
Non-SED
(Default) Thin Provisioned DCRT = 1 IP = 0 5 5 5
Non-SED
Fully Provisioned DCRT = 0 IP = 1 140 60 30
Non-SED
Fully Provisioned DCRT = 1 IP = 1 100 40 20
SED
(Default) Thin Provisioned DCRT = 0 IP = 0 5 N/A N/A
SED
(Default) Thin Provisioned DCRT = 1 IP = 0 5 N/A N/A
SED
Fully Provisioned DCRT = 0 IP = 1 140 N/A N/A
SED
Fully Provisioned DCRT = 1 IP = 1 100 N/A N/A
5.2.3 Performance
Table 6: Performance
Notes 400GB 200GB 100GB
Maximum Burst Transfer Rate 600MB/s
Peak sequential 128KB read/write data transfer rate (MB/s max) [1] 360/300
Sustained sequential 128KB read/write dat
a transfer rate (MB/s) [1] 300/300 300/200 300/100
Peak 4KB random read/write command rate (IOPs) [2] 48,000/22,000
Sustained 4KB random read/write command rate (IOPs) [2] 48,000/
22
,000
48,000/
16,000
48,000/
8000
Sustainable 4KB Random combined IOPS for 5 year Endurance
(65%/35% R/W, 70% Duty Cycle)
[3] 31,000 31,000 31,000
[1] Testing performed at Queue Depth = 32, Sequentiall
y Preconditioned drive, using IOMeter 2006.7.27.
[2] Testing performed at Queue Depth = 32, Randomly
Preconditioned drive, using IOMeter 2006.7.27.
[3] Testing performed at Queue Depth = 32, Non-Preconditioned drive, using IOMeter 2006.7.27.
Note. IOMeter is available at http://www.iometer.org/ or http://sourceforge.net/projects/iometer/.
IOMeter is licensed under the Intel Open Source Licen
se and the GNU General Public License. Intel
does not endorse any IOMeter results.
Peak performance is defined as the typical best case performance
that the product will be able to
achieve when the product is preconditioned as mentioned and host commands are aligned on 4KB
boundaries.
Sustained performance is defined as the typical worst case
performance that the product will be able to
achieve when the product is preconditioned as mentioned and host commands are aligned on 4KB boundar-
ies. Write values also take into account the worst case performance throttling that may occur to ensure the
product meets specified reliability specifications.