11-19-2017
Faster way: SAN hd to SAN hd copying
hi! i got a rhel 6.3 host that already have an xfs filesystem mounted from a SAN (let's call it SAN-1) whose size is 9TB.
i will be receiving another SAN (let's call it SAN-2) storage of 15TB size. this new addition is physically on another SAN storage. SAN-1 is on a Pillar storage while the new one is on a Dell SAN storage.
i supposed brand does not matter here. my initial reaction to move the directories and files from SAN-1 to SAN-2 is either using "tar" or "dd". in both cases, i need to do it online as there is continuous data being duplicated from SAN-1 to tape storage.
is using "tar" or "dd" the only online option? are there better ways?
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