On Wed, 2008-10-29 at 11:49 +0200, Alex wrote: > Hello, Hi,
> Reading Lustre Manual (section 33. System Limits) i could not find an answer > to my problem. > > I am tring to create a 50GB testfile on my lustre file system using dd. After > 37GB (which is the max size of one of my OST), dd is stopping complaining > about FREE SPACE!!! > list again free space usage: > > [EMAIL PROTECTED] ~]# lfs df -h > UUID bytes Used Available Use% Mounted on > testfs-MDT0000_UUID 130.4G 460.0M 122.5G 0% /mnt/lustre[MDT:0] > testfs-OST0000_UUID 18.3G 1.4G 16.0G 7% /mnt/lustre[OST:0] > testfs-OST0001_UUID 18.3G 444.5M 17.0G 2% /mnt/lustre[OST:1] > testfs-OST0002_UUID 36.7G 34.8G 4.0M 94% /mnt/lustre[OST:2] > testfs-OST0003_UUID 36.7G 448.5M 34.4G 1% /mnt/lustre[OST:3] > filesystem summary: 110.0G 37.1G 67.4G 33% /mnt/lustre > [EMAIL PROTECTED] ~]# > > As you see, testfs-OST0002_UUID is full, Yes. That's why you got the -ENOSPC > but on /mnt/lustre I have enough free > space - 67GB (on other OSTs) in order to allow dd to continue and create my > file. How can i avoid dd to stop and allow it to continue to complete on > other OSTs? You need to investigate striping. Lustre's default striping policy is 1, which is no striping. b.
signature.asc
Description: This is a digitally signed message part
_______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
