Ext2 fs error

[code_warrior]

Hi ALL,
I am getting flooded with these messages in some of the instances when i stress test my disk by doing multiple read/write operations over many telnet sessions.

EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 3325268892, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 1601653655, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 3578236174, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 3892946775, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 1408168831, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 3824997111, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 1639534294, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 131643036, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 2477394525, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 1691748942, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 164338181, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 2755328999, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 1528831715, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 236169800, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 965026529, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 1755668572, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 3063764392, count = 1^M
EXT2-fs error (device sda11): ext2_free_blocks: Freeing blocks not in datazone - block = 3353963359, count = 1^M


Can anyone please explain what is the significance and implications of these messages. ?
Thanks in advance.

[Lakshmipathi]

I wonder Is error related to application or ext2? what's your stress testing tool?

[code_warrior]

There is no tool as such. I have opened around 10 telnet sessions where i do the ftp get and put operations simultaneously.

Actually the prints are not coming always. Can you suggest when can these prints possible come?

[Lakshmipathi]

google with the term "ext2_free_blocks: Freeing blocks not in datazone" gave me lot of links.
Seems like hardware related issue.
Possible EXT2 race | KernelTrap
better drop a mail to ext2 user mailing list and check your hardware using smartctl command.
HTH

[code_warrior]

Thanks for ur immediate response..