Re: IDE hard drive blocks

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On Sat, 2003-12-20 at 20:22, Chris wrote:
> Hi Peter,
> 
> Thanks, but that's not the problem I'm having.  My problem is copying a
> bunch of files (ALL smaller than 2GB) totalling 46GB at the source (servers
> running SCSI RAID drives) to RH9 running on IDE drives.  It seems that what
> takes 46GB on the SCSI drives will not "fit" on a single 120GB IDE drive,
> since the blocks appear to be much larger and even the smallest files
> probably take 64KB if not more.  I just need to figure out a way, if it's at
> all possible, to reformat the IDE drives with smaller blocks, say maybe 1K,
> 4K, or something smaller than the default, so that I can copy 46GB from
> remote SCSI drives to IDE drives, for backup purposes, and have it take
> approximately 46GB on the IDE end of things.  It seems now like you need
> about 160GB worth of disk space on IDE drives to copy just 46GB worth of
> files from SCSI drives.  Complete waste of resources and utilization of the
> IDE drives, as the data more than "tripples" in size.

When your drive "fills up", do a 'df -i' to list the available inodes. 
Perhaps you've run out?

> Anyone has any ideas how to reformat an IDE drive with smaller blocks than
> whatever the default might be, and is it safe to do so?  Any caveats?

Check out the mke2fs manpage.  Search through for all the "block" and
"inode" options.

-- 
Jason Dixon, RHCE
DixonGroup Consulting
http://www.dixongroup.net


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