On Sat, 2006-03-18 at 14:57 +0900, Takashi Sato wrote:
> Hi,
>
> > Hi,
> >
> > Few comments on the patches:
> >
> > 1) Both kernel patch and e2fsprogs doesn't seem to apply cleanly for
> > the versions you mentioned. I had to fix few rejects.
>
> Sorry. My patches were corrupted because my poor mailer had
> removed spaces in the patch.
> I will take care of it when I update this patch.
>
> > 2) I am still not able to make filesystem bigger than 8TB with your
> > patch. I get following message.
> >
> > # fdisk -l /dev/md0
> >
> > Disk /dev/md0: 10479.7 GB, 10479753756672 bytes
> > 2 heads, 4 sectors/track, -1736433664 cylinders
> > Units = cylinders of 8 * 512 = 4096 bytes
> >
> >
> > elm3b29:~/e2fsprogs-1.38/misc # ./mke2fs /dev/md0
> > mke2fs 1.38 (30-Jun-2005)
> > mke2fs: Filesystem too large. No more than 2**31-1 blocks
> > (8TB using a blocksize of 4k) are currently supported.
> >
> > When I try to create "ext3":
>
> As I said in my previous mail, You should specify -F option to
> create ext2/3 which has more than 2**31-1 blocks.
> It is because of the compatibility.
>
> > elm3b29:~/e2fsprogs-1.38/misc # ./mke2fs -t ext3 /dev/md0
> > mke2fs 1.38 (30-Jun-2005)
> > mke2fs: invalid blocks count - /dev/md0
> >
> > Were you able to test these changes ?
>
> You should specify -j option to create ext3 as below.
>
> # ./mke2fs -j /dev/md0
Okay. I tested your patches and mkfs changes.
I am able to create a >8TB filesystem and was able to
mount it :)
elm3b29:~ # df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/hda2 79366980 76545536 2821444 97% /
tmpfs 3574032 8 3574024 1% /dev/shm
/dev/md0 9833697924 131228 9677640816 1% /mnt
I run single "fsx" tests and quickly ran into issues. fsx complained
about data mismatch :(
Here is the "dmesg" output:
EXT3 FS on md0, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
EXT3-fs error (device md0): ext3_new_block: Allocating block in system
zone - block = 131072
Aborting journal on device md0.
ext3_abort called.
EXT3-fs error (device md0): ext3_journal_start_sb: Detected aborted
journal
Remounting filesystem read-only
fsx-linux[15668]: segfault at fffffffffffffffb rip 00002b33b3eddda0 rsp
00007fffffef1e38 error 4
fsx-linux[15667]: segfault at fffffffffffffffb rip 00002b7736f5dda0 rsp
00007fffffb70da8 error 4
ext3_new_block: block was unexpectedly set in b_committed_data
EXT3-fs error (device md0) in ext3_reserve_inode_write: Journal has
aborted
fsx-linux[15666]: segfault at fffffffffffffffb rip 00002b0582de6da0 rsp
00007fffffd24f18 error 4
fsx-linux[15669]: segfault at 00000000ffffffff rip 00002ad94d283da0 rsp
00007fffff95aa28 error 4
__journal_remove_journal_head: freeing b_committed_data
__journal_remove_journal_head: freeing b_committed_data
__journal_remove_journal_head: freeing b_committed_data
Thanks,
Badari
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