Re: suggestions for udb

[Shane Sturrock <sss nova bru ed ac uk>]

> What is excellent? On my system things look like that:
> 
> [root@alfonz /root]# hdparm /dev/hda
> 
> /dev/hda: 
>  multcount = 16 (on) 
>  I/O support = 1 (32-bit) 
>  unmaskirq = 0 (off) 
>  using_dma = 1 (on) 
>  keepsettings = 0 (off) 
>  nowerr = 0 (off) 
>  readonly = 0 (off) 
>  readahead = 8 (on) 
>  geometry     = 8894/15/63, sectors = 8404830, start = 0
> 
> [root@alfonz /root]# hdparm -Tt /dev/hda
> 
> /dev/hda: 
>  Timing buffer-cache reads:  128 MB in 2.61 seconds =49.12 MB/sec
>  Timing buffered disk reads:  64 MB in 10.82 seconds = 5.91 MB/sec

On my 164LX I get the following, I could probably do better if I tweaked
things a little but this is a secondary disc, we use UW-SCSI for the main
drive.

[root@ancora /root]# /sbin/hdparm /dev/hdb

/dev/hdb:
 multcount    =  0 (off)
 I/O support  =  0 (default 16-bit)
 unmaskirq    =  0 (off)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 nowerr       =  0 (off)
 readonly     =  0 (off)
 readahead    =  8 (on)
 geometry     = 39709/16/63, sectors = 40026672, start = 0
[root@ancora /root]# /sbin/hdparm -Tt /dev/hdb

/dev/hdb:
 Timing buffer-cache reads:   64 MB in  0.53 seconds =120.54 MB/sec
 Timing buffered disk reads:  32 MB in  2.97 seconds =10.78 MB/sec

Does look a bit better than your SX is it has to be said.

Shane