Hi,
We are planning on using some high availability storage, and the most
popular choices are:
- NAS, but have to access it via NFS
- SAN, local disk
Many vendors have rejected NAS, because while NAS itself could have high
availibilty, but access NFS failures could lead to data corruption.
We are going to use dual network to access NAS.
- So my question is how error prone is NFS? like Network glitches
- How good is its error recovery?
- For important data (like database), would you recommend the usage of NFS?
Thanks
Xinyu
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We use NFS to a vendor-supplied NAS box for transaction-based production
data and have suffered no data loss and no erronous (we think) locks. We use
100BaseT Ethernet via a normal, switched network.
All access to the NAS is from Linux NFS clients using the same version of
the kernel (we use NFS over TCP) and the same distro, etc. (This is kernel
version 2.4.19 by the way.)
Based on this experience I would describe it as rock solid.
--K
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