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тАО09-17-2005 06:35 PM
тАО09-17-2005 06:35 PM
Is earlier disk arrays has been replaced by SAN now-a-days ?
Thanks,
Shiv
Solved! Go to Solution.
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тАО09-17-2005 07:31 PM
тАО09-17-2005 07:31 PM
SolutionSome thing similar, but not exactly.
You have advantage in SAN "storage consolidation"
You can have mix of OS and storage to each. Storage can be added to a server dynamically. also can be reallocate to some other server. Same storage can be allocated to multiple servers (for clusters).
Backup devices can be connected to SAN makes LAN free backups.. and many more.
Read below URL.
http://welcome.hp.com/country/us/en/prodserv/storage.html
Regds
TT
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тАО09-17-2005 09:48 PM
тАО09-17-2005 09:48 PM
Re: san
But it really depends on how much space you need and how much I/O you need to do. I would never do oracle on a NAS device.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО09-17-2005 10:24 PM
тАО09-17-2005 10:24 PM
Re: san
Earlier disk arrays were direct attached to a server while SAN utilises a dedicated network based storage which can be easily shared in hetrogenous environment of hardware and operating systems. Following link may be of help
http://h18006.www1.hp.com/storage/arraysystems.html
Regards
Mahesh
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тАО09-18-2005 12:58 AM
тАО09-18-2005 12:58 AM
Re: san
Disk arrays are directly connected to the server , with SCSI interface , and SAN storage is much more intelligent with high speed , with the Fibre Channel standards define high-performance but cost-effective interfaces to I/O devices, and connected via Fabric switch , with SAN topology and designs,
you can check this out..
http://compnetworking.about.com/cs/sanforbeginners/
Cheers ,
Raj.
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тАО09-18-2005 03:49 AM
тАО09-18-2005 03:49 AM
Re: san
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тАО09-18-2005 03:11 PM
тАО09-18-2005 03:11 PM
Re: san
The Storage Area Network provides the transport of SCSI commands from the initiator (host) to the target (disk array).
MacG
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тАО09-18-2005 03:14 PM
тАО09-18-2005 03:14 PM
Re: san
this is quite a good reference on what u should know about disk arrays and SAN.
http://www.hp.com/sbso/serverstorage/san.pdf
regards.
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тАО09-18-2005 04:16 PM
тАО09-18-2005 04:16 PM
Re: san
a) SAN - Storage Area Network
b) NAS - Network attached Storage
c) CAS - Content Addressed Storage
They differ in protocols, type of data, requirement and apps. SAN provides High availability (99.999%), performance, Scalability, better recovery.
-Arun
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тАО09-18-2005 07:02 PM
тАО09-18-2005 07:02 PM
Re: san
Addition to Arunvijai;
a) SAN - Storage Area Network
b) NAS - Network attached Storage
c) CAS - Content Addressed Storage
d)DAS - Direct Attached Storage
Good Luck,