Lenovo TS 440 70AQ000DUX ユーザーズマニュアル

  This publication was developed for prod-

ucts and services offered in the United 
States. Lenovo may not offer the prod-
ucts, services or features discussed in 
this document in other countries. Lenovo 
may withdraw an offering at any time. 
Information is subject to change without 
notice. Consult your local representative 
for information on offerings available in 
your area.

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specifi cations and other product infor-
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tions do not allow disclaimer of express 
or implied warranties in certain transac-
tions; therefore this disclaimer may not 
apply to you.

 
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© Lenovo, 2013.  

All rights reserved.

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 U.S.A.

 November 

2013

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ability. Lenovo reserves the right to alter 
product offerings and specifi cations at 
any time, without notice. Lenovo is not 
responsible for photographic or typo-
graphic errors.

 
  Warranty: For a copy of applicable
  product warranties, go to http://support.
 lenovo.com/en_US/product-service/
 warranty-status/WarrantyPolicies.page 

.

  Lenovo makes no representation or 
  warranty regarding third party products 

or services.

1 

Support unrelated to 

a warranty issue may be subject to ad-
ditional charges.

2 

GB = billion bytes, TB = tril-

lion bytes. Accessible capacity is less.

3

  Systems with limited onsite service 

are designed to be repaired during the 
applicable warranty period primarily with 
customer-replaceable parts provided 
by Lenovo. Lenovo will only send a 
technician onsite to perform a repair if 
(a) remote telephone diagnosis and/or 
customer part replacement are unable 
to resolve the problem, or (b) the part is 
one of the few designated by Lenovo for 
onsite replacement. For a list of onsite 
replaceable parts, contact Lenovo. Sup-
port unrelated to a warranty issue may 
be subject to additional charges.

4 

The system confi guration 

supports the installation of either SATA 
or SAS disks.  A confi guration including 
both SATA and SAS disks is not sup-
ported. 

7

  Lenovo Services: These services are 

available for machines normally used 
for business, professional, or trade 
purposes, rather than personal, family, 
or household purposes. Not all machine 
types and models are covered. Service 
period begins with the equipment date 
of purchase. Service must be purchased 
during the original limited product war-
ranty period. Service levels are response 
time objectives and are not guarantees. 
If the machine problem turns out to be 
a Customer Replaceable Unit (CRU), a 
part will be express shipped to you for 
quick replacement. Onsite 24x7x2-hour 
service is not available in all locations. 
P&L means parts and labor. P/U means 
pick-up. See Lenovo Warranty Services 
terms and conditions for complete details 
and restrictions.

8 

Supported RAID levels for a 

  system will vary from the stated 
 capabilities 

of 

the RAID controller due to 

 dependencies on the number and 

capacity of physical disks in the system 
and on customer requirements for 

 performance, 

fault tolerance, or data 

redundancy.  

  RAID levels and requirements:
 

•  RAID 0 (striping) provides increased 

    performance by writing data across   

 multiple 

drives.

  •  RAID 1 (mirroring) provides fault 
    tolerance by writing the data on two   

 drives.

  •  RAID 5 (striping with parity) uses 
    distributed parity data to provide fault  

  tolerance more effi ciently than RAID 1.  
  Requires three or more drives.

  •  RAID 6 (striped set with dual 
  distributed 

 provides fault  

 

  tolerance from two drive failures; array  
  continues to operate with up to two   
  failed drives. Requires four drives.

  •  RAID 10 (or RAID 1+0) combines 
    RAID 1 and RAID 0 to create a stripe of 
    mirrors that is fault tolerant while 
    offering increased performance. 
    Requires four drives.
  •  RAID 50 (or RAID 5+0) combines 
    RAID 5 and RAID 0 to create block-   

  level striping with distributed parity    
 improving 

performance over RAID 5. 

    Requires six drives.
  •  RAID 60 (or RAID 6+0) combines    

  RAID 6 and RAID 0 to create block-

    level striping with distributed double   

  parity improving performance over    
  RAID 6. Requires eight drives.

14

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some holidays. Telephone support may 
be subject to additional charges.