Hi folks, I am running a Fedora-12 system (2.6.31.5-127.fc12.x86_64) with a btrfs root fs. While running a "yum upgrade" with around 200MB of updates, the system became significantly slow (3 seconds for Chrome to scroll down after hitting space bar!) and I noticed in /var/log/messages Nov 26 22:12:08 localhost kernel: no space left, need 61440, 18579456 delalloc bytes, 10387451904 bytes_used, 0 bytes_reserved, 0 bytes_pinned, 0 bytes_read only, 0 may use 10406068224 total Although "df -h" shows 16G of free space for the root fs. I thought I''d report this. Let me know if you want more diagnostics. Regards -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
The system is insisting I am out of disk space!
[root@matrix tmp]# df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vgkimo-lvF12
26G 10G 16G 39% /
[root@matrix tmp]# dd if=/dev/zero of=bigfile bs=1M count=500
dd: writing `bigfile'': No space left on device
61+0 records in
60+0 records out
62914560 bytes (63 MB) copied, 0.40297 s, 156 MB/s
You have mail in /var/spool/mail/root
On Thu, Nov 26, 2009 at 11:41 PM, Ahmed Kamal
<email.ahmedkamal@googlemail.com> wrote:> Hi folks,
> I am running a Fedora-12 system (2.6.31.5-127.fc12.x86_64) with a
> btrfs root fs. While running a "yum upgrade" with around 200MB of
> updates, the system became significantly slow (3 seconds for Chrome to
> scroll down after hitting space bar!) and I noticed in
> /var/log/messages
>
> Nov 26 22:12:08 localhost kernel: no space left, need 61440, 18579456
> delalloc bytes, 10387451904 bytes_used, 0 bytes_reserved, 0
> bytes_pinned, 0 bytes_read only, 0 may use 10406068224 total
>
> Although "df -h" shows 16G of free space for the root fs. I
thought
> I''d report this. Let me know if you want more diagnostics.
>
> Regards
>
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More info
[root@matrix ~]# btrfs-show
failed to read /dev/sr0
Label: none uuid: 06b0d069-b1cb-48c4-b26f-c5088a2360d2
Total devices 1 FS bytes used 9.99GB
devid 1 size 25.72GB used 25.72GB path /dev/dm-1
Btrfs Btrfs v0.19
On Thu, Nov 26, 2009 at 11:47 PM, Ahmed Kamal
<email.ahmedkamal@googlemail.com> wrote:> The system is insisting I am out of disk space!
>
> [root@matrix tmp]# df -h /
> Filesystem Size Used Avail Use% Mounted on
> /dev/mapper/vgkimo-lvF12
> 26G 10G 16G 39% /
>
> [root@matrix tmp]# dd if=/dev/zero of=bigfile bs=1M count=500
> dd: writing `bigfile'': No space left on device
> 61+0 records in
> 60+0 records out
> 62914560 bytes (63 MB) copied, 0.40297 s, 156 MB/s
> You have mail in /var/spool/mail/root
>
>
>
>
> On Thu, Nov 26, 2009 at 11:41 PM, Ahmed Kamal
> <email.ahmedkamal@googlemail.com> wrote:
>> Hi folks,
>> I am running a Fedora-12 system (2.6.31.5-127.fc12.x86_64) with a
>> btrfs root fs. While running a "yum upgrade" with around
200MB of
>> updates, the system became significantly slow (3 seconds for Chrome to
>> scroll down after hitting space bar!) and I noticed in
>> /var/log/messages
>>
>> Nov 26 22:12:08 localhost kernel: no space left, need 61440, 18579456
>> delalloc bytes, 10387451904 bytes_used, 0 bytes_reserved, 0
>> bytes_pinned, 0 bytes_read only, 0 may use 10406068224 total
>>
>> Although "df -h" shows 16G of free space for the root fs. I
thought
>> I''d report this. Let me know if you want more diagnostics.
>>
>> Regards
>>
>
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It seems the same issue as I ran into some time ago. Check the following thread on why it happens and how to get out of it. http://thread.gmane.org/gmane.comp.file-systems.btrfs/3996/focus=4003 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html