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Date:      Sat, 20 Jun 2009 12:32:32 -0700
From:      Kip Macy <kmacy@freebsd.org>
To:        mister.olli@googlemail.com
Cc:        freebsd-fs@freebsd.org
Subject:   Re: Unable to delete files on ZFS volume
Message-ID:  <3c1674c90906201232x63ddee19yf91aeac30f3401bb@mail.gmail.com>
In-Reply-To: <1245525965.26909.69.camel@phoenix.blechhirn.net>
References:  <1245519413.26909.60.camel@phoenix.blechhirn.net> <3c1674c90906201050w15e4cd5dpae76cd70d64b4e92@mail.gmail.com> <1245525965.26909.69.camel@phoenix.blechhirn.net>

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This is a a known issue with write allocate file systems and snapshots.

I haven't seen this before on v13 without any snapshots.

A few questions:
- How many file systems?

- How old are the file systems?

- How much churn has there been on the file system?

- Was this an upgraded v6 or created as v13?

- How many files on test?

... as well as any other things that occur to you to characterize the
file system.

Cheers,
Kip


On Sat, Jun 20, 2009 at 12:26 PM, Mister Olli<mister.olli@googlemail.com> w=
rote:
> Hi,
>
>> Do you have snapshots or run ZFS v6?
> neither one or the other. Here are my pool/ ZFS details.
>
> [root@template-8_CURRENT /test/data2]# zpool get all test
> NAME =A0PROPERTY =A0 =A0 =A0 VALUE =A0 =A0 =A0 SOURCE
> test =A0size =A0 =A0 =A0 =A0 =A0 2.98G =A0 =A0 =A0 -
> test =A0used =A0 =A0 =A0 =A0 =A0 2.94G =A0 =A0 =A0 -
> test =A0available =A0 =A0 =A047.9M =A0 =A0 =A0 -
> test =A0capacity =A0 =A0 =A0 98% =A0 =A0 =A0 =A0 -
> test =A0altroot =A0 =A0 =A0 =A0- =A0 =A0 =A0 =A0 =A0 default
> test =A0health =A0 =A0 =A0 =A0 ONLINE =A0 =A0 =A0-
> test =A0guid =A0 =A0 =A0 =A0 =A0 5305090209740383945 =A0-
> test =A0version =A0 =A0 =A0 =A013 =A0 =A0 =A0 =A0 =A0default
> test =A0bootfs =A0 =A0 =A0 =A0 - =A0 =A0 =A0 =A0 =A0 default
> test =A0delegation =A0 =A0 on =A0 =A0 =A0 =A0 =A0default
> test =A0autoreplace =A0 =A0off =A0 =A0 =A0 =A0 default
> test =A0cachefile =A0 =A0 =A0- =A0 =A0 =A0 =A0 =A0 default
> test =A0failmode =A0 =A0 =A0 wait =A0 =A0 =A0 =A0default
> test =A0listsnapshots =A0off =A0 =A0 =A0 =A0 default
> [root@template-8_CURRENT /test/data2]# zfs get all test
> NAME =A0PROPERTY =A0 =A0 =A0 =A0 =A0 =A0 =A0VALUE =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0SOURCE
> test =A0type =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0filesystem =A0 =A0 =A0 =
=A0 =A0 =A0 -
> test =A0creation =A0 =A0 =A0 =A0 =A0 =A0 =A0Fri Jun 19 21:01 2009 =A0-
> test =A0used =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A01.96G =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0-
> test =A0available =A0 =A0 =A0 =A0 =A0 =A0 0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0-
> test =A0referenced =A0 =A0 =A0 =A0 =A0 =A026.6K =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0-
> test =A0compressratio =A0 =A0 =A0 =A0 1.00x =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0-
> test =A0mounted =A0 =A0 =A0 =A0 =A0 =A0 =A0 yes =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0-
> test =A0quota =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 none =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 default
> test =A0reservation =A0 =A0 =A0 =A0 =A0 none =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 default
> test =A0recordsize =A0 =A0 =A0 =A0 =A0 =A0128K =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 default
> test =A0mountpoint =A0 =A0 =A0 =A0 =A0 =A0/test =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0default
> test =A0sharenfs =A0 =A0 =A0 =A0 =A0 =A0 =A0off =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0default
> test =A0checksum =A0 =A0 =A0 =A0 =A0 =A0 =A0on =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 default
> test =A0compression =A0 =A0 =A0 =A0 =A0 off =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0default
> test =A0atime =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 on =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 default
> test =A0devices =A0 =A0 =A0 =A0 =A0 =A0 =A0 on =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 default
> test =A0exec =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0on =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 default
> test =A0setuid =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0on =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 default
> test =A0readonly =A0 =A0 =A0 =A0 =A0 =A0 =A0off =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0default
> test =A0jailed =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0off =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0default
> test =A0snapdir =A0 =A0 =A0 =A0 =A0 =A0 =A0 hidden =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 default
> test =A0aclmode =A0 =A0 =A0 =A0 =A0 =A0 =A0 groupmask =A0 =A0 =A0 =A0 =A0=
 =A0 =A0default
> test =A0aclinherit =A0 =A0 =A0 =A0 =A0 =A0restricted =A0 =A0 =A0 =A0 =A0 =
=A0 default
> test =A0canmount =A0 =A0 =A0 =A0 =A0 =A0 =A0on =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 default
> test =A0shareiscsi =A0 =A0 =A0 =A0 =A0 =A0off =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0default
> test =A0xattr =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 off =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0temporary
> test =A0copies =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A01 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0default
> test =A0version =A0 =A0 =A0 =A0 =A0 =A0 =A0 3 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0-
> test =A0utf8only =A0 =A0 =A0 =A0 =A0 =A0 =A0off =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0-
> test =A0normalization =A0 =A0 =A0 =A0 none =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 -
> test =A0casesensitivity =A0 =A0 =A0 sensitive =A0 =A0 =A0 =A0 =A0 =A0 =A0=
-
> test =A0vscan =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 off =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0default
> test =A0nbmand =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0off =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0default
> test =A0sharesmb =A0 =A0 =A0 =A0 =A0 =A0 =A0off =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0default
> test =A0refquota =A0 =A0 =A0 =A0 =A0 =A0 =A0none =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 default
> test =A0refreservation =A0 =A0 =A0 =A0none =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 default
> test =A0primarycache =A0 =A0 =A0 =A0 =A0all =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0default
> test =A0secondarycache =A0 =A0 =A0 =A0all =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0default
> test =A0usedbysnapshots =A0 =A0 =A0 0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0-
> test =A0usedbydataset =A0 =A0 =A0 =A0 26.6K =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0-
> test =A0usedbychildren =A0 =A0 =A0 =A01.96G =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0-
> test =A0usedbyrefreservation =A00 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0-
> [root@template-8_CURRENT /test/data2]# zfs list -t snapshot
> no datasets available
>
>
>
>> Confirm that you've deleted your snapshots and are running pool v13.
>>
>> Future ZFS mail should be directed to freebsd-fs@
> Sorry for that. fixed now ;-))
>
> Regards,
> ---
> Mr. Olli
>
>
>>
>>
>> On Sat, Jun 20, 2009 at 10:36 AM, Mister Olli<mister.olli@googlemail.com=
> wrote:
>> > Hi,
>> >
>> > after filling up a ZFS volume until the last byte, I'm unable to delet=
e
>> > files, with error 'No space left on the device'.
>> >
>> >
>> >
>> > [root@template-8_CURRENT /test/data2]# df -h
>> > Filesystem =A0 =A0 Size =A0 =A0Used =A0 Avail Capacity =A0Mounted on
>> > /dev/ad0s1a =A0 =A08.7G =A0 =A05.2G =A0 =A02.8G =A0 =A065% =A0 =A0/
>> > devfs =A0 =A0 =A0 =A0 =A01.0K =A0 =A01.0K =A0 =A0 =A00B =A0 100% =A0 =
=A0/dev
>> > test =A0 =A0 =A0 =A0 =A0 =A0 0B =A0 =A0 =A00B =A0 =A0 =A00B =A0 100% =
=A0 =A0/test
>> > test/data1 =A0 =A0 1.6G =A0 =A01.6G =A0 =A0 =A00B =A0 100% =A0 =A0/tes=
t/data1
>> > test/data2 =A0 =A0 341M =A0 =A0341M =A0 =A0 =A00B =A0 100% =A0 =A0/tes=
t/data2
>> > [root@template-8_CURRENT /test/data2]# zfs list
>> > NAME =A0 =A0 =A0 =A0 USED =A0AVAIL =A0REFER =A0MOUNTPOINT
>> > test =A0 =A0 =A0 =A01.96G =A0 =A0 =A00 =A026.6K =A0/test
>> > test/data1 =A01.62G =A0 =A0 =A00 =A01.62G =A0/test/data1
>> > test/data2 =A0 341M =A0 =A0 =A00 =A0 341M =A0/test/data2
>> > [root@template-8_CURRENT /test/data2]# ls -l data1 |tail -n 20 =A0 =A0=
 =A0 =A0 =A0<-- there are quite a lot of files, so I truncated ;-))
>> > -rw-r--r-- =A01 root =A0wheel =A0 =A0 =A03072 Jun 20 17:13 20090620165=
743
>> > -rw-r--r-- =A01 root =A0wheel =A0 9771008 Jun 20 17:11 20090620165803
>> > -rw-r--r-- =A01 root =A0wheel =A0 =A0624640 Jun 20 17:12 2009062016580=
9
>> > -rw-r--r-- =A01 root =A0wheel =A0 1777664 Jun 20 17:14 20090620165810
>> > -rw-r--r-- =A01 root =A0wheel =A0 4059136 Jun 20 17:15 20090620165817
>> > -rw-r--r-- =A01 root =A0wheel =A023778304 Jun 20 17:13 20090620165925
>> > -rw-r--r-- =A01 root =A0wheel =A020318208 Jun 20 17:13 20090620165952
>> > -rw-r--r-- =A01 root =A0wheel =A028394496 Jun 20 17:10 20090620170013
>> > -rw-r--r-- =A01 root =A0wheel =A023698432 Jun 20 17:12 20090620170021
>> > -rw-r--r-- =A01 root =A0wheel =A026476544 Jun 20 17:19 20090620170100
>> > -rw-r--r-- =A01 root =A0wheel =A019904512 Jun 20 17:15 20090620170132
>> > -rw-r--r-- =A01 root =A0wheel =A023815168 Jun 20 17:14 20090620170142
>> > -rw-r--r-- =A01 root =A0wheel =A0 6683648 Jun 20 17:11 20090620170225
>> > -rw-r--r-- =A01 root =A0wheel =A019619840 Jun 20 17:11 20090620170322
>> > -rw-r--r-- =A01 root =A0wheel =A013902848 Jun 20 17:13 20090620170331
>> > -rw-r--r-- =A01 root =A0wheel =A028981248 Jun 20 17:13 20090620170346
>> > -rw-r--r-- =A01 root =A0wheel =A018287616 Jun 20 17:11 20090620170355
>> > -rw-r--r-- =A01 root =A0wheel =A016762880 Jun 20 17:16 20090620170405
>> > -rw-r--r-- =A01 root =A0wheel =A026966016 Jun 20 17:10 20090620170429
>> > -rw-r--r-- =A01 root =A0wheel =A0 5252096 Jun 20 17:14 20090620170502
>> > [root@template-8_CURRENT /test/data2]# =A0rm -rf data1
>> > rm: data1/20090620141524: No space left on device
>> > rm: data1/20090620025202: No space left on device
>> > rm: data1/20090620014926: No space left on device
>> > rm: data1/20090620075405: No space left on device
>> > rm: data1/20090620155124: No space left on device
>> > rm: data1/20090620105723: No space left on device
>> > rm: data1/20090620170100: No space left on device
>> > rm: data1/20090620040149: No space left on device
>> > rm: data1/20090620002512: No space left on device
>> > rm: data1/20090620052315: No space left on device
>> > rm: data1/20090620083750: No space left on device
>> > rm: data1/20090620063831: No space left on device
>> > rm: data1/20090620155029: No space left on device
>> > rm: data1/20090619234313: No space left on device
>> > rm: data1/20090620115346: No space left on device
>> > rm: data1/20090620075508: No space left on device
>> > rm: data1/20090620145541: No space left on device
>> > rm: data1/20090620093335: No space left on device
>> > rm: data1/20090620101846: No space left on device
>> > rm: data1/20090620132456: No space left on device
>> > rm: data1/20090620040044: No space left on device
>> > rm: data1/20090620091401: No space left on device
>> > rm: data1/20090620162251: No space left on device
>> > rm: data1/20090619220813: No space left on device
>> > rm: data1/20090620010643: No space left on device
>> > rm: data1/20090620052218: No space left on device
>> >
>> >
>> >
>> >
>> >
>> > Regards,
>> > ---
>> > Mr. Olli
>> >
>> > _______________________________________________
>> > freebsd-current@freebsd.org mailing list
>> > http://lists.freebsd.org/mailman/listinfo/freebsd-current
>> > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.=
org"
>> >
>>
>>
>>
>
>



--=20
When bad men combine, the good must associate; else they will fall one
by one, an unpitied sacrifice in a contemptible struggle.

    Edmund Burke



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