transfer of block and file level

Hello guys,.

What is the difference between file level transfer and

block level transfer? I just know that the network Fibre Channel SAN and iSCSI use

transfer level block and uses NAS file level but I'm not exactly

differences between them. I googled but in vain. I was not satisfied

what I got on google. any suggestions please

see you soon

Welcoem to the Forums - the difference comes from the days when storage Networks were first being developed - two lanes have been developed - SAN and NAS each storage condition via a network - in contrast to understandthe you understand what command are carried through each network.

SAN - Package, either Firber Channel or iSCSI San, runs a command SCSI causing SAN return the approriate blocks

NAS - only supports two protocols - SMBfor Windows oe NFS for Unix/Linux.  ESX only use NFS. So for the NAS, the command is therefore more a SCSI command but a file system control - when the order reaches your NAS file system control device is managed and the data is returned to your ESX host.

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Tags: VMware

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