tal amir wrote:
> i am having the strangest problem :
>
> around 2 days ago one of my four disks (seagate ST330620A) started to respond very
>slowly.
> this happened without me changing any of its parameter's or moving it to another
> ide channel or anything.
> it gives me about 4mbps, unlike all the others that give 20-35 mbps :
My overall experience with Seagate is "si geit nisht". (Couldn't resist that!) I
just threw away a 4.3Gb Seagate which died after less than 3 years use.
>
>
> [root@whatsup home]# hdparm -t /dev/hda
>
> /dev/hda:
> Timing buffered disk reads: 64 MB in 1.82 seconds = 35.16 MB/sec
> [root@whatsup home]# hdparm -t /dev/hdb
>
> /dev/hdb:
> Timing buffered disk reads: 64 MB in 15.55 seconds = 4.12 MB/sec
> [root@whatsup home]# hdparm -t /dev/hdc
>
> /dev/hdc:
> Timing buffered disk reads: 64 MB in 2.92 seconds = 21.92 MB/sec
> [root@whatsup home]# hdparm -t /dev/hdd
>
> /dev/hdd:
> Timing buffered disk reads: 64 MB in 3.12 seconds = 20.51 MB/sec
> [root@whatsup home]#
>
>
> so the disk writing is slow, but the cash writing is fast :
>
> [root@whatsup home]# hdparm -T /dev/hda
>
> /dev/hda:
> Timing buffer-cache reads: 128 MB in 0.61 seconds =209.84 MB/sec
> [root@whatsup home]# hdparm -T /dev/hdb
>
> /dev/hdb:
> Timing buffer-cache reads: 128 MB in 0.60 seconds =213.33 MB/sec
> [root@whatsup home]# hdparm -T /dev/hdc
>
> /dev/hdc:
> Timing buffer-cache reads: 128 MB in 0.61 seconds =209.84 MB/sec
> [root@whatsup home]# hdparm -T /dev/hdd
>
> /dev/hdd:
> Timing buffer-cache reads: 128 MB in 0.60 seconds =213.33 MB/sec
> [root@whatsup home]#
>
> i am using ext3 on all 4 disks (not that the filesystem suppose to change much in
> this case).
>
> this is mandrake 8.1, Linux version 2.4.8-26mdk .
> this is the only seagate drive, the 3 others are IBM-DTLA-307030, all of them
> are 7200 rpm.
>
> any idea what might couse this ?
>
>
> ------------------------------
> Amir Tal
> System Administrator
> icq : 15748705
> http://whatsup.homelinux.com
> -------------------------------
>
>
> =================================================================
> To unsubscribe, send mail to [EMAIL PROTECTED] with
> the word "unsubscribe" in the message body, e.g., run the command
> echo unsubscribe | mail [EMAIL PROTECTED]
>
>
>
=================================================================
To unsubscribe, send mail to [EMAIL PROTECTED] with
the word "unsubscribe" in the message body, e.g., run the command
echo unsubscribe | mail [EMAIL PROTECTED]
