[OpenAFS] Overview? Linux filesystem choices

[Stephan Wiesand]

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On Sep 29, 2010, at 17:49 , Harald Barth wrote:

> Currently our AFS servers are on Linux and XFS. We were thinking of
> moving to OpenSolaris or Solaris and ZFS. But as things are now, these
> options either have a very unsecure future or a very hefty pricetag.
> For us, the name change of the company did result in a doubling of
> prices, something that we did not pay but took another solution. I am
> still searching for a good software raid solution. Any experiences
> with ZFS on FreeBSD out there? Other suggestions?

Well, how about hardware RAID? The only flavour I have recent first hand =
experience with are the LSI Megaraid Controllers (or, more precisely, =
OEM controllers based on them from our current main hardware vendor): =
They do RAID-6 at reasonable speed, scrub the disks and check the parity =
according to your needs, keep a log of drive problems and error counters =
independent of the OS, come with a BBU option, and are reasonably cheap. =
They isolate you from having to deal with SATA drives or baseboard =
chipsets. And they have a *stable* management interface with a lean CLI =
for accessing it independent of vendors' management suites.

While I had loved to see ZFS for Linux (and am still hoping for it, or =
for btrfs becoming production grade), we have been quite happy with this =
solution (and are now runnig ~ 1.5 PB of disk storage this way). We're =
using ext3 on top for vicep partitions, but XFS is doing well on other =
(non-AFS) fileservers here and we'd use it for AFS if it had serious =
advantages for our use case. IMO, XFS is just slightly more adventouros.

Best regards,
	Stephan

--=20
Stephan Wiesand
DESY -DV-
Platanenenallee 6
15738 Zeuthen, Germany


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