On 26-09-2007, at 17h 01'40", Florin Popovici wrote about "Re: [rlug] backup"
> Viteza de acces la un HDD se poate masura cu hdparm -tT (vezi man
> hdparm). Uite mai jos un exemple de viteza, poate te ajuta. (sda este
> HDD-ul intern al laptopului, SATA, iar sdb este un HDD IDE, tot de
> laptop, dar conectat printr-un enclosure extern USB)
> 
> [EMAIL PROTECTED] ~]# hdparm -tT /dev/sda
> /dev/sda:
>  Timing cached reads:   1664 MB in  2.00 seconds = 832.21 MB/sec
>  Timing buffered disk reads:   90 MB in  3.06 seconds =  29.46 MB/sec
> 
> [EMAIL PROTECTED] ~]# hdparm -tT /dev/sdb
> /dev/sdb:
>  Timing cached reads:   1554 MB in  2.00 seconds = 777.19 MB/sec
>  Timing buffered disk reads:   60 MB in  3.01 seconds =  19.90 MB/sec
> 

Mersi. /dev/sda este hdd intern si /dev/sdb este cel extern.

bucovina:~# apt-get install hdparm

bucovina:~# hdparm -tT /dev/sda
/dev/sda:
 Timing cached reads:   2326 MB in  2.00 seconds = 1162.92 MB/sec
 Timing buffered disk reads:  234 MB in  3.02 seconds =  77.48 MB/sec

bucovina:~# hdparm -tT /dev/sdb
/dev/sdb:
 Timing cached reads:   2336 MB in  2.00 seconds = 1167.78 MB/sec
 Timing buffered disk reads:  194 MB in  3.02 seconds =  64.34 MB/sec


Pare destul de rapid...

Mugurel

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