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From: InterNetX - Juergen Gotteswinter <jg@internetx.com>
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Subject: General reliability rating of FreeBSD 9.x newnfs v3 + statdt/lockd
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Hi folks,

so, i am running several ZFS Based Filers, mostly tracking freebsd 9
current. but there are also release stable setups. hardware is well
selected for zfs, lsi hba, no diskcache enabled, server grade ssd, ecc
ram (dell servers basicly, with customized configuratoin).

clients are mostly linux (centos) with usual mount options, r/wsize 32k
,noatime etc.

application running on the clients is different, some vm containers, web
content, a well mixed of everything.

generally, i get more and more the impression that for example compared
to the linux nfs server the freebsd one is not that reliable. every few
weeks i run into problems which look like the statd or lockd freezed, no
reaction when trying to restart, doesnt take care about a -9 signal. it
seems, from client side, that the process is a "slow" one, which looks
like its going on for a few hours and at one point the nfs server is
done and needs to be rebooted.

i am not looking for a solution here, just asking for others impressions.

so, tell me your story, i whould love to hear.

thanks!