Ok, so now with 2.8.2, everything works just great..
The metadata server crashes no more (as in 2.8.1), and writev with more
than 1 entry in the iovec works fine (as in 2.7.1) :)
Thank you,
Mohamad
Mohamad Chaarawi wrote:
> Hi,
> Sorry for the late reply,
> but we tried upgrading to 2.8.1 a month or 2 ago, and i remember we had
> a problem where the metadataserver(s) keep crashing.
> I will give it another shot upgrading to 2.8.1, might be something i
> missed the last time.
>
> Thanks,
> Mohamad
>
> Phil Carns wrote:
>
>> Hi,
>>
>> Thanks for the bug report, but it looks like this problem has already
>> been fixed. I tried your test case on 2.8.1 and didn't see any problems:
>>
>> $ ~/writev
>> wrote 145 bytes
>>
>> Are you able to upgrade to a newer version of PVFS?
>>
>> thanks,
>> -Phil
>>
>> Mohamad Chaarawi wrote:
>>
>>> Hello,
>>>
>>> I have a problem when executing a simple problem with a writev over
>>> pvfs2, where i can't include more than 1 entry for the iovec that i pass
>>> to writev. Otherwise it gives an Invalid argument error for writev.
>>> Im using pvfs-2.7.1.
>>> 22 servers, 29 clients, 1 metadataserver
>>>
>>> If I execute with number of entries in iovec as 1, it works fine, the
>>> problem is when im executing with more than that.
>>> using pwrite works fine though.
>>>
>>> Simple program like:
>>>
>>> #include <stdio.h>
>>> #include <sys/types.h>
>>> #include <sys/stat.h>
>>> #include <fcntl.h>
>>> #include <string.h>
>>> #include <sys/uio.h>
>>>
>>> int main(int argc, char** argv)
>>> {
>>> struct iovec iov[3];
>>> ssize_t nr;
>>> int fd, i;
>>>
>>> char *buf[] = {
>>> "The term buccaneer comes from the word boucan.\n",
>>> "A boucan is a wooden frame used for cooking meat.\n",
>>> "Buccaneer is the West Indies name for a pirate.\n" };
>>>
>>> fd = open ("buccaneer.txt", O_WRONLY | O_CREAT | O_TRUNC);
>>> if (fd == -1) {
>>> perror ("open");
>>> return 1;
>>> }
>>>
>>> /* fill out three iovec structures */
>>> for (i = 0; i < 3; i++) {
>>> iov[i].iov_base = buf[i];
>>> iov[i].iov_len = strlen (buf[i]);
>>> }
>>>
>>> /* with a single call, write them all out */
>>> nr = writev (fd, iov, 3);
>>> if (nr == -1) {
>>> perror ("writev");
>>> return 1;
>>> }
>>> printf ("wrote %d bytes\n", nr);
>>>
>>> if (close (fd)) {
>>> perror ("close");
>>> return 1;
>>> }
>>>
>>> return 0;
>>> }
>>>
>>> _______________________________________________
>>> Pvfs2-users mailing list
>>> [email protected]
>>> http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
>>>
>
> _______________________________________________
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