As RH 5.1 will support 16TB ext3 partitions, will lustre inherit that functionality?
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Andreas Dilger > Sent: Wednesday, October 10, 2007 9:26 AM > To: Aaron Knister > Cc: [email protected] > Subject: Re: [Lustre-discuss] Hardware Question > > On Oct 06, 2007 10:28 -0400, Aaron Knister wrote: > > Oh, right I forgot about that. Well...if i had an 8tb lun > and split it > > into 2 volume groups using LVM do you think the performance > would be > > worse than making 2 raids at the hardware level? > > Well, it won't be doing the disks any favours, since you'll > now have contention between the OSTs, and the kernel will be > doing a poor job with the IO elevator decisions. I would > suggest making 2 smaller RAID LUNs instead. > > In the end it is up to you to decide if the IO performance is > acceptable. > You can do some testing using lustre-iokit to see what the > component device performance is. > > > On Oct 5, 2007, at 6:18 PM, Andreas Dilger wrote: > > > > >On Oct 05, 2007 13:14 -0400, Aaron Knister wrote: > > >>Make that 6x 9.7TB luns. > > > > > >Lustre (== ext3) doesn't support >= 8TB LUNs. > > > > Cheers, Andreas > -- > Andreas Dilger > Principal Software Engineer > Cluster File Systems, Inc. > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > https://mail.clusterfs.com/mailman/listinfo/lustre-discuss > _______________________________________________ Lustre-discuss mailing list [email protected] https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
