Re: 3ware disk latency?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



dean gaudet wrote:
: On Wed, 26 Jul 2006, adam radford wrote:
: > 
: > Did you try setting /sys/class/scsi_host/hostX/cmd_per_lun to 256 / num_units
: > ?
: 
: hmm doesn't look like i can do this in 2.6.16.27:
: 
: # ls -l /sys/class/scsi_host/host0/cmd_per_lun
: -r--r--r-- 1 root root 0 Jul 26 19:58 /sys/class/scsi_host/host0/cmd_per_lun
: # echo 85 >!$
: echo 85 >/sys/class/scsi_host/host0/cmd_per_lun
: zsh: permission denied: /sys/class/scsi_host/host0/cmd_per_lun
: 
: it'll probably be sometime until i update this box past 2.6.16.x ... but 
: i'll keep it in mind and retry the experiment... thanks.

	2.6.17.7 also does not allow cmd_per_lun to be written.

-Yenya

-- 
| Jan "Yenya" Kasprzak  <kas at {fi.muni.cz - work | yenya.net - private}> |
| GPG: ID 1024/D3498839      Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E |
| http://www.fi.muni.cz/~kas/    Journal: http://www.fi.muni.cz/~kas/blog/ |
> I will never go to meetings again because I think  face to face meetings <
> are the biggest waste of time you can ever have.        --Linus Torvalds <
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux