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Published byEmery Black Modified over 9 years ago
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Network Attached Storage Options What is it? When would I use it? Mike Matney-Data Center Architect Servers, Storage, and Virtualization
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SAN VS. NAS (Block vs. File) Pros and Cons Small to Large Agenda
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SAN-Storage Area Network Block level storage-appears as internal drives to servers Two types of connectivity-Fibre Channel and iSCSI Fibre Channel-protocol developed for storage to server traffic –Requires dedicated Fibre Channel switches iSCSI-protocol that takes SCSI commands and transports them between storage and servers via IP NAS-Network Attached Storage File level storage NFS (Network File System) and CIFS (Common Internet File System) shares 3 © Copyright Pomeroy 2010 Proprietary & Confidential SAN VS. NAS
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Pros and Cons NAS Options Active Directory integrated-no OS license necessary Easy de-duplication Large file systems-greater than 2TB Easy capacity expansion-online updates Uses familiar connectivity-IP Easily Replicated Perfect for file server Lower cost per GB Great for backup to disk Cons Not suited for applications Low performance
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5 © Copyright Pomeroy 2010 Proprietary & Confidential Small… ReadyNAS 516 6-Bay-6x4TB Enterprise Drive Up to 6 drives 1-4TB per drive Up to 24TB in a breadbox size Under $5,000.00 This is a fit for smaller customers who won’t grow large enough to need a large users or for backup to disk
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6 © Copyright Pomeroy 2010 Proprietary & Confidential To Large VNX Data-In-Place upgrades up to 1,000 drives Flash Cache-SSD SSD support Auto-tiering capability Optimized for virtualization Simultaneous presentation of block and file storage to network and servers
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VMware now includes vSphere Data Protection (VDP) EMC Avamar Virtual Edition is VDP NAS works great for target for backup-to-disk Enterprise backup solutions are being considered Avamar and Data Domain VMware also included vSphere Replicator for remote replication 7 © Copyright Pomeroy 2010 Proprietary & Confidential Backup and DR
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