Ed, you said it well here: "wear leveling work is in SATA and DOM"
I think this is an important point, because If I understand correctly,
there is nothing inherent to DOM or SATA to make it more or less
suitable to the excellent implementations we've seen of
over-provisioning, wear-leveling etc. in the other storage form factors.
As you say though, that's were the work is taking place, so if you want
it, DOM and SATA appear to be the devices to use. Funny how that works,
but it appears to be market forces only, not technology which informs
this detail.
Thanks too for the info on the Soekris 6501. I have one in the feild,
also with an MSata module. I'm really glad I didn't try to upgrade that
in place, or I might be talking ethyl the 60-year-old office manager
through router-resurrection. Fun. You just saved my bacon. Thanks for
that.
In the realm of SSD's I have been using Intel S37xx's as ZFS intent log
accelerators for as long as they've been available. Great devices. Some
installs have seen many terabytes of writes per week for years without
issue. For a pfSense install, it's an absurd amount of overkill.
Still, as you say, 'pro grade' SSD's are a mere $50, so 'pro' SSD's
start to become an economical choice.
In particular, I see the Intel S35x0 ~80GB for $60. Do you know if the
reliability is in the same league as the s3700 series, it would be an
easy choice given the high cost of downtime in a remote install. Any
experience with that series of devices in particular?
Thanks a lot Ed. Your input was exactly what I was looking for!
-Karl
On 5/18/2016 10:11 AM, ED Fochler wrote:
Karl,
There are numerous other similar answers to be found, but here’s mine:
Get away from CF if you can. The modern performance and wear leveling work is
in sata and DOM, those are better devices. Abandon the nano-BSD and just find
the miscellaneous checkbox to put /tmp and /var in ram. That’s the bulk of the
benefit without the separate distribution. Although that is seldom necessary
any more either.
My Soekris 6501 still doesn’t like the upgrade to PFSense 2.3 on mSata, but I’m
running one from a Sata disk on 2.3 just fine. This problem seems Soekris
specific, but my summary is still that sata seems to be where the support is. And
with SSD, I don’t see any benefit to staying away from sata even if you are
allergic to spinning disks. Market forces have made 100GB SSD’s available for
less than $50, and that’s some wild over-provisioning for an install that is happy
in < 4GB. You can get a nice Intel or “pro” samsung for a little more if you
want more insurance against having to visit those devices. I’m generally a fan of
the SSDs with metal cases for heat dissipation.
ED.
On 2016, May 17, at 6:09 PM, Karl Fife <karlf...@gmail.com> wrote:
I have about 15 Net5501's OR Lanner FW-7541D's in the field running
embedded/Nano on CF cards. There's not enough space on a 1GB CF to upgrade to
v2.3. Of course I can upgrade to larger CF cards, however the eventual
phase-out of NanoBSD makes me wonder if it's better to install a SATA SSD (or
SATA DOM) which would possibly eliminate the need to re-re-factor storage in
the near future (e.g with the release of v 2.4, and the phase-out of NanoBSD:
https://doc.pfsense.org/index.php/Upgrade_Guide#Planning_for_the_Future )
Question:
I'd like to ask what solid-state storage others are using on non-NanoBSD installs. If
running the "full" version of pfSense, Is it sufficient 'simply' to use a
quality wear-leveling SATA DOM, or is it recommended to use something with even better
write endurance? I wouldn't have thought the pfSense write load is high, but blog posts
from early adopters of SSD's + pfSense seem to have run into write endurance problems.
SSD's have improved greatly especially in terms of wear-leveling, over-provisioning etc..
What's a recommended non-disk drive for full pfSense these days?
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