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Date: Thu, 18 Feb 2010 15:04:46 +0300
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From: pluknet <pluknet@gmail.com>
To: Ivan Voras <ivoras@freebsd.org>
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Subject: Re: ZFS'inodes' (as reported by 'df -i') running out?
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On 18 February 2010 14:41, Ivan Voras <ivoras@freebsd.org> wrote:
> Karl Pielorz wrote:
>>
>> Hi All,
>>
>> I originally posted this in freebsd-fs - but didn't get a reply... I
>> have a number of systems (mostly 7.2-S/amd64) running ZFS. Some of these
>> handle millions of files.
>>
>> I've noticed recently, according to "df -i" I'm starting to run out of
>> inodes on some of them (96% used).
>>
>> e.g.
>>
>> "
>> Filesystem =A0 =A0 iused =A0 =A0ifree %iused Mounted on
>> vol/imap =A0 =A0 =A01726396 =A0 69976 =A0 96% =A0/vol/imap
>> "
>>
>>
>> I know ZFS doesn't have inodes (think they're znodes), and is capable of
>> handling more files than you can probably sensibly think about on a
>> filesystem - but is "df -i" just getting confused, or do I need to be
>> concerned?
>
> AFAIK ZFS allocates inodes when needed so df -i reports the previously
> allocated value. The number of available inodes should automatically
> grow as you add more files.

Sorta jfyi. That's what I see on Solaris:
df: operation not applicable for FSType zfs


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