I am going to deploy an Ubuntu 12.04-based archiving system. Due to limitations of the SAN Storage, it can only present me with 2TB LUNs. So, I have to merge multiple 2TB LUNs to achieve the desired space (4.5TB with expected growth of up to 1TB per year).
The SAN Storage has its own RAID protection (yes, not a replacement for backup, I know), so I don't need a software-based RAID protection.
Please provide me suggestion on what should I use to 'combine' these LUNs:
- Combine them into a ZFS pool, or
- Combine them into an LVM VG
If possible, please also inform me of the drawback/benefit of both.
(All I can find on the Internet assume that the ZFS/LVM will be built on top of individual disks with RAID provided by RAIDZ/MDRAID, so really not suitable for my situation).
Note: Yeah, maybe I should use a better SAN Storage, but the 'Management' had decided to use this particular SAN Storage, and my hands are tied.
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