Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: [PATCH] remove 2TB block device limit | Date | Fri, 17 May 2002 21:52:23 +0200 |
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On Friday 17 May 2002 15:32, Jesse Pollard wrote: > Note - most these really large filesystems allow the inode tables and > bitmaps to be stored on disks with a relatively small blocksize (raid 5), > and the data on different drives (striped) with a large block size (I believe > ours is 64K to 128K sized data blocks, inode/bitmaps are 16K-32K.) This is > done for two reasons:
Since we're on this subject, and you have experience with these large block sizes, where exactly do you see the large savings?
- setup cost of the disk transfer? - rotational latency of small transfers? - setup cost of the network transfer? - interrupt processing overhead? - other?
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