Hi Minh, Yes, stripecount is set to one:
# cat /proc/fs/lustre/lov/*/stripecount 1 1 -Nick Minh Diep wrote: > Hi Nick, > > Have you tried setting stripecount=-1 ? > > Thanks > -Minh > > Nick Jennings wrote: >> Hi Everyone, >> >> I have a small lustre test machine setup to bring myself back up to >> speed as it's been a few years. This is probably a very basic issue >> but I'm not able to find documentation on it (maybe I'm looking for >> the wrong thing). >> >> I've got 4 OSTs (each 2gigs in size) on one lustre file system. I dd >> a 4 gig file to the filesystem and after the first OST fills up, the >> write fails (not enough space on device): >> >> >> # dd of=/mnt/testfs/datafile3 if=/dev/zero bs=1048576 count=4024 >> dd: writing `/mnt/testfs/testfile3': No space left on device >> 1710+0 records in >> 1709+0 records out >> 1792020480 bytes (1.8 GB) copied, 55.1519 seconds, 32.5 MB/s >> >> # df -h >> Filesystem Size Used Avail Use% Mounted on >> /dev/hda1 15G 7.7G 5.9G 57% / >> tmpfs 252M 0 252M 0% /dev/shm >> /dev/hda5 4.1G 198M 3.7G 6% /mnt/test/mdt >> /dev/hda6 1.9G 1.1G 686M 62% /mnt/test/ost0 >> 192.168.0....@tcp:/testfs >> 7.4G 4.7G 2.4G 67% /mnt/testfs >> /dev/hda7 1.9G 1.8G 68K 100% /mnt/test/ost1 >> /dev/hda8 1.9G 80M 1.7G 5% /mnt/test/ost2 >> /dev/hda9 1.9G 1.8G 68K 100% /mnt/test/ost3 >> >> >> I did this 2 times, which is why both ost1 and ost3 are full. As you >> can see, ost2 and ost0 still have space. >> >> I initially thought this could be solved by enabling striping, but >> from HowTo (which doesn't say much on the subject admittedly) I >> gathered striping was already enabled? (4MB chunks). So, shouldn't >> these OSTs be filling up at a relatively uniform ratio? >> >> # cat /proc/fs/lustre/lov/testfs-clilov-ca5e0000/stripe* >> 1 >> 0 >> 4194304 >> 1 >> [r...@andy ~]# cat /proc/fs/lustre/lov/testfs-mdtlov/stripe* >> 1 >> 0 >> 4194304 >> 1 >> >> >> Thanks for any help, >> -Nick >> _______________________________________________ >> Lustre-discuss mailing list >> [email protected] >> http://lists.lustre.org/mailman/listinfo/lustre-discuss _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
