reiserfs 3.6 with 2TB file size limitation!

reiserfs 3.6 with 2TB file size limitation!

[Ricardo (Tru64 User)]

Hi,
I read on reiserfs site, faq #1, about max file sizes:
max file size 2^60 - bytes => 1 Ei, 
but page cache limits this to 8 Ti on architectures
with 32 bit int for reiserfs 3.6

I do have a reiserfs 3.6 filesystem, on kernel 
2.6.12-21mdksmp (mandriva 2006) that would not take a
filesize greater than 2TB!

Filesize in question::
-rw-r--r--  1 myuser users 2147483647 Aug  1 16:41
myfile.out

Error received:
"Filesize limit exceeded"

This filesystem is on a scsi device connected via 
Adaptec AIC-7899P U160/m card (if it matters).

# debugreiserfs /dev/sda1
debugreiserfs 3.6.19 (2003 www.namesys.com)


Filesystem state: consistency is not checked after
last mounting

Reiserfs super block in block 16 on 0x801 of format
3.6 with standard journal
Count of blocks on the device: 292967356
Number of bitmaps: 8941
Blocksize: 4096
Free blocks (count of blocks - used [journal, bitmaps,
data, reserved] blocks): 172310677
Root block: 121672
Filesystem is NOT clean
Tree height: 5
Hash function used to sort names: "r5"
Objectid map size 2, max 972
Journal parameters:
        Device [0x0]
        Magic [0x5613f7b2]
        Size 8193 blocks (including 1 for journal
header) (first block 18)
        Max transaction length 1024 blocks
        Max batch size 900 blocks
        Max commit age 30
Blocks reserved by journal: 0
Fs state field: 0x0:
sb_version: 2
inode generation number: 1507612
UUID: 78e233e1-8210-4c9f-8f5d-7159c754db16
LABEL: 
Set flags in SB:
        ATTRIBUTES CLEAN

Any idea why i would receive this limitation, with a
2.6 kernel and reiserfs 3.6? Can this be corrected to
allow the full file size?
I would appreciate any hints....
I check the kernel-sources for the kernel version i am
running, and i dont see any mention of "large
file/filesystem support" that i recall was available
in  older kernel compiles, so it is probably
integrated now?


_Thanks

Richard

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Re: reiserfs 3.6 with 2TB file size limitation!

[Edward Shishkin]

Ricardo (Tru64 User) wrote:
> Hi,

Hello

> I read on reiserfs site, faq #1, about max file sizes:
> max file size 2^60 - bytes => 1 Ei, 
> but page cache limits this to 8 Ti on architectures
> with 32 bit int for reiserfs 3.6
> 
> I do have a reiserfs 3.6 filesystem, on kernel 
> 2.6.12-21mdksmp (mandriva 2006) that would not take a
> filesize greater than 2TB!
> 
> Filesize in question::
> -rw-r--r--  1 myuser users 2147483647 Aug  1 16:41
> myfile.out

Hmm.. actually this file has size 2GB, not 2TB.
Did you try to specify O_LARGEFILE when creating a file?
(man creat)

> 
> Error received:
> "Filesize limit exceeded"
> 
> This filesystem is on a scsi device connected via 
> Adaptec AIC-7899P U160/m card (if it matters).
> 
> # debugreiserfs /dev/sda1
> debugreiserfs 3.6.19 (2003 www.namesys.com)
> 
> 
> Filesystem state: consistency is not checked after
> last mounting
> 
> Reiserfs super block in block 16 on 0x801 of format
> 3.6 with standard journal
> Count of blocks on the device: 292967356
> Number of bitmaps: 8941
> Blocksize: 4096
> Free blocks (count of blocks - used [journal, bitmaps,
> data, reserved] blocks): 172310677
> Root block: 121672
> Filesystem is NOT clean
> Tree height: 5
> Hash function used to sort names: "r5"
> Objectid map size 2, max 972
> Journal parameters:
>         Device [0x0]
>         Magic [0x5613f7b2]
>         Size 8193 blocks (including 1 for journal
> header) (first block 18)
>         Max transaction length 1024 blocks
>         Max batch size 900 blocks
>         Max commit age 30
> Blocks reserved by journal: 0
> Fs state field: 0x0:
> sb_version: 2
> inode generation number: 1507612
> UUID: 78e233e1-8210-4c9f-8f5d-7159c754db16
> LABEL: 
> Set flags in SB:
>         ATTRIBUTES CLEAN
> 
> Any idea why i would receive this limitation, with a
> 2.6 kernel and reiserfs 3.6? Can this be corrected to
> allow the full file size?
> I would appreciate any hints....
> I check the kernel-sources for the kernel version i am
> running, and i dont see any mention of "large
> file/filesystem support" that i recall was available
> in  older kernel compiles, so it is probably
> integrated now?
> 
> 
> _Thanks
> 
> Richard
> 
> __________________________________________________
> Do You Yahoo!?
> Tired of spam?  Yahoo! Mail has the best spam protection around 
> http://mail.yahoo.com 
> 
> 

Re: reiserfs 3.6 with 2TB file size limitation!

[Ricardo (Tru64 User)]

--- Edward Shishkin <edward@namesys.com> wrote:

> Ricardo (Tru64 User) wrote:
> > Hi,
> 
> Hello
> 
> > I read on reiserfs site, faq #1, about max file
> sizes:
> > max file size 2^60 - bytes => 1 Ei, 
> > but page cache limits this to 8 Ti on
> architectures
> > with 32 bit int for reiserfs 3.6
> > 
> > I do have a reiserfs 3.6 filesystem, on kernel 
> > 2.6.12-21mdksmp (mandriva 2006) that would not
> take a
> > filesize greater than 2TB!
> > 
> > Filesize in question::
> > -rw-r--r--  1 myuser users 2147483647 Aug  1 16:41
> > myfile.out
> 
> Hmm.. actually this file has size 2GB, not 2TB.
> Did you try to specify O_LARGEFILE when creating a
> file?
> (man creat)
> 
> > 
> > Error received:
> > "Filesize limit exceeded"
> > 
> > This filesystem is on a scsi device connected via 
> > Adaptec AIC-7899P U160/m card (if it matters).
> > 
> > # debugreiserfs /dev/sda1
> > debugreiserfs 3.6.19 (2003 www.namesys.com)
> > 
> > 
> > Filesystem state: consistency is not checked after
> > last mounting
> > 
> > Reiserfs super block in block 16 on 0x801 of
> format
> > 3.6 with standard journal
> > Count of blocks on the device: 292967356
> > Number of bitmaps: 8941
> > Blocksize: 4096
> > Free blocks (count of blocks - used [journal,
> bitmaps,
> > data, reserved] blocks): 172310677
> > Root block: 121672
> > Filesystem is NOT clean
> > Tree height: 5
> > Hash function used to sort names: "r5"
> > Objectid map size 2, max 972
> > Journal parameters:
> >         Device [0x0]
> >         Magic [0x5613f7b2]
> >         Size 8193 blocks (including 1 for journal
> > header) (first block 18)
> >         Max transaction length 1024 blocks
> >         Max batch size 900 blocks
> >         Max commit age 30
> > Blocks reserved by journal: 0
> > Fs state field: 0x0:
> > sb_version: 2
> > inode generation number: 1507612
> > UUID: 78e233e1-8210-4c9f-8f5d-7159c754db16
> > LABEL: 
> > Set flags in SB:
> >         ATTRIBUTES CLEAN
> > 
> > Any idea why i would receive this limitation, with
> a
> > 2.6 kernel and reiserfs 3.6? Can this be corrected
> to
> > allow the full file size?
> > I would appreciate any hints....
> > I check the kernel-sources for the kernel version
> i am
> > running, and i dont see any mention of "large
> > file/filesystem support" that i recall was
> available
> > in  older kernel compiles, so it is probably
> > integrated now?
> > 
> > 
> > _Thanks
> > 
> > Richard


Ohh yes.....my (user's) fault. This is an application
limitation (fortran) probably for not using the right
switch. And, yes, the file size i posted is only 2gb!
Please ignore this post.

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