Re: OCFS2 on RHAS4

From: Roman Podshivalov <roman.podshivalov_at_gmail.com>
Date: Mon, 15 Sep 2008 11:28:09 -0400
Message-ID: <55f303590809150828k724324dew5f3a67c072e429bb@mail.gmail.com>


What about not fully populated tempfiles/sparse files ? They usually not reported by df, but in your case with OCFS who knows... BTW most of the difference falls into first mountpoint where you have sys and I presume temp files, rest could be just rounding error 8-)

--romas

On Mon, Sep 15, 2008 at 9:53 AM, sol beach <sol.beach_at_gmail.com> wrote:

> All the systems were concurrently shutdown & rebooted on Friday.
> fsck.ocfs was run against all volumes & found no problems.
>
>
> On Mon, Sep 15, 2008 at 4:02 AM, Roberts, David (GSD - UK) <
> david.h.roberts_at_logica.com> wrote:
>
>> Discrepancies certainly can appear when files that have a file handle
>> held open by a running program are deleted from any file system, as Unix
>> will not free up the space until the file handle has been closed.
>>
>>
>>
>> When were the systems last re-booted? And if it is a while since they were
>> rebooted, do the values from df change after they are rebooted?
>>
>>
>>
>> Dave
>>
>>
>>
>>
>>
>>
>>
>> *David Roberts*
>> *Logica* *- Releasing your potential*
>>
>> www.logica.com
>>
>>
>>
>> Logica UK Limited
>> Registered in England and Wales (registered number *947968*)
>> Registered office: Stephenson House, 75 Hampstead Road, London NW1 2PL, United
>> Kingdom
>>
>> -----Original Message-----
>> *From:* oracle-l-bounce_at_freelists.org [mailto:
>> oracle-l-bounce_at_freelists.org] *On Behalf Of *sol beach
>> *Sent:* 12 September 2008 23:16
>> *To:* oracle-l
>> *Subject:* OCFS2 on RHAS4
>>
>>
>>
>> It appears to me that OCFS2 has a "space leak"
>> The amount of disk in use reported by du -sh does not agree with df -h
>> I see the same on 3 different systems.
>> Does anyone else see the same?
>> On other file systems (ext3,etc.) I have not seen such discrepancies.
>> ==========================================
>> [root_at_rac01 u01]# du -sh /u01 /u03 /u04 /u05 /u06
>> 8.5G /u01
>> 27G /u03
>> 184G /u04
>> 28G /u05
>> 16K /u06
>> [root_at_rac01 u01]# df -h
>> Filesystem Size Used Avail Use% Mounted on
>> /dev/cciss/c0d0p5 22G 2.6G 18G 13% /
>> /dev/cciss/c0d0p1 99M 18M 76M 19% /boot
>> none 16G 0 16G 0% /dev/shm
>> /dev/cciss/c0d0p3 22G 153M 20G 1% /var
>> /dev/sda1 547G 187G 361G 35% /u04
>> /dev/sdj1 136G 29G 108G 21% /u03
>> /dev/sdc1 18G 16G 2.5G 87% /u01
>> /dev/sdd1 119G 30G 90G 25% /u05
>> /dev/sde1 137G 1.1G 136G 1% /u06
>> ==========================================
>> [root_at_amo01dn ~]# du -sh /u01 /u02 /u03 /u04 /u05 /u06
>> df -h
>> 4.8G /u01
>> 870M /u02
>> 68G /u03
>> 55G /u04
>> 69G /u05
>> 37G /u06
>> [root_at_amo01dn ~]# df -h
>> Filesystem Size Used Avail Use% Mounted on
>> /dev/cciss/c0d0p3 7.7G 3.6G 3.8G 49% /
>> /dev/cciss/c0d0p1 99M 18M 77M 19% /boot
>> none 7.9G 0 7.9G 0% /dev/shm
>> /dev/cciss/c0d0p5 18G 4.4G 13G 26% /var
>> /dev/sda1 9.8G 6.0G 3.9G 61% /u01/orasys/orcl
>> /dev/sda2 9.8G 1.2G 8.7G 12% /u02/oraredo/orcl
>> /dev/sda3 118G 69G 49G 59% /u03/oraflash/orcl
>> /dev/sdb1 547G 56G 492G 11% /u04/oradbf/orcl
>> /dev/sdc1 137G 70G 68G 51% /u05/orasupp/orcl
>> /dev/sdd1 137G 38G 99G 28% /u06/oraback/orcl
>> ==========================================
>>
>> [root_at_amo1sd ~]# du -sh /u01 /u02 /u03 /u04 /u05 /u06
>> 3.4G /u01
>> 1.1G /u02
>> 98G /u03
>> 105G /u04
>> 123G /u05
>> du: cannot access `/u06': No such file or directory
>> [root_at_amo1sd ~]# df -h
>> Filesystem Size Used Avail Use% Mounted on
>> /dev/cciss/c0d0p3 7.8G 3.2G 4.3G 43% /
>> /dev/cciss/c0d0p1 99M 15M 80M 16% /boot
>> none 6.8G 0 6.8G 0% /dev/shm
>> /dev/cciss/c0d0p5 10G 152M 9.3G 2% /var
>> /dev/cciss/c1d0p1 9.8G 8.9G 889M 92% /u01/orasys/orcl
>> /dev/cciss/c1d0p2 9.8G 1.4G 8.5G 14% /u02/oraredo/orcl
>> /dev/cciss/c1d0p3 118G 100G 19G 85% /u03/oraflash/orcl
>> /dev/cciss/c1d1p1 684G 106G 579G 16% /u04/oradbf/orcl
>> /dev/cciss/c1d2p1 137G 124G 13G 91% /u05/orasupp/orcl
>>
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Received on Mon Sep 15 2008 - 10:28:09 CDT

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