Hi Mark, Do you override the automatic fsck check with tune2fs? It would be a huge bummer to do through a check frequently, I forget the defaults but I think 180 days or a certain number of mounts, iirc. Jason On Wed, Apr 10, 2013 at 11:39 AM, <m.roth at 5-cent.us> wrote: > Jason T. Slack-Moehrle wrote: > > > > I have a Drobo, connected to a CentOS 6.4 box. The box sees it as > > /dev/sdg. > > > > I want to format it ext3 (as they dont support ext4) but when I try I > get: > <snip> > > So I run: > > # parted > > GNU Parted 2.1 > > Using /dev/sda > > Welcome to GNU Parted! Type 'help' to view a list of commands. > > (parted) select /dev/sdg > > Using /dev/sdg > > (parted) print > > Model: DROBO DroboPro (scsi) > > Disk /dev/sdg: 17.6TB > > Sector size (logical/physical): 512B/512B > > Partition Table: gpt > > > > Number Start End Size File system Name Flags > > > > (parted) > > > > and looking at an example of creating a partition: (parted) mkpart > primary > > 106 16179 > > > > I dont know what to do next since I dont see any partitions listed. I > dont > > know what do to for the start and end point, although the man page says > > "size in MB". Do I just say 0 to (and convert 16.0TB to MB? Yes, I know > it > > says 17.6 TB but this model drobo can only support partitions up to 16tb > > without making a second partition. > > > > Can anyone provide some advice on that I am missing conceptually? > > Several issues. First, if you use 4k blocks, the max filesystem size for > ext3 is 16TB (see wikipedia on ext3). Second, I can't remember where, but > on some filesystem tool's manpage, I read that the tools have problems > going over 16TB. Third, fsck on a 16TB filesystem will take *days*, > literally. I'm setting up, right now, a humongous RAID box, and I'll > probably be divvying up the 42TB (mirrored!) as 3 14TB filesystems, and > they're going to be ext4. > > mark > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >