Introduction to Netapp Storage :
Netapp is also known as network appliances (Netapp).
Other Storage main vendors are :
- EMC
- Hitachi Data Systems
- HP
- IBM
NetApp Filers can offer the following
- Supports SAN, NAS, FC, SATA, iSCSI, FCoE and Ethernet all on the same platform
- Supports either SATA, FC and SAS disk drives
- Supports block protocols such as iSCSI, Fibre Channel and AoE
- Supports file protocols such as NFS, CIFS , FTP, TFTP and HTTP
- High availability
- Easy Management
- Scalable
NetApp was created in 1992 by David Hitz, James Lau and Michael Malcolm, the company become public in 1995 and grew rapidly in the dot com boom, the companies headquarters are in Sunnyvale, California, US.
The netapp filer can also act as NAS or SAN, it servers storage over a network using either file-based or block-based protocols.
File-Based protocol : NFS, CIFS, FTP, TFTP, HTTP
Block-Based protocol : Fibre Channel (FC), Fibre Channel over ethernet (FCoE), Internet SCSI.
Filer acts as a controller or head node. filer run's Netapp's own adapted operating system (based on FreeBSD) called DATA Ontap, it is highly tuned for storage-serving purpose.
Filer offers 2 RAID options, you can also create very large RAID arrays upto 28 disks, this depends on the type of filler.
RAID 4 : Offers single parity on a dedicated disk (unlike RAID 5)
RAID 6 : Is the same as Raid 5 but offers double parity, 2 disk in the raid could fail.
NETAPP BACKUP:
Netapp offers 2 types of backup :
Dump:
- backs up files and directories
- Supports level-0, incremental and differential backups
- Supports single file restore
- Capable of backing only the base snapshot copy
- Backs up blocks of data to tape
- Supports only level-0 backup
- does not support single file restore
- capable of backing up multiple snapshot copies in a volume
- does not support remote tape backups and restores
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