[nflug] hardware question

[Cyber Source]

David J. Andruczyk wrote:
> What filesystem did you use on the device? EXT2, EXT3, something
> else?
>
> It's possible that it's a device limitation..
> The device looks nice, but the speed looks a little substandard
> from iomega's very terse specs (up to 10x faster than DDS4 tape), 
> DDS-4 seems to be marked at 3Mb/sec (some places shows that as
> megabits, some megabytes), if it's megabytes the performance is not
> too bad,  if it's megabits then the performance is gonna be kinda
> pitiful.. esp for a $500+ drive and $50+ cartridges
>
>
> Can you run a bonnie++ benchmark against it?  I'm curious of it's
> performance.
>
>
> --- Cyber Source <peter at thecybersource.com> wrote:
>
>   
>> Hello All,
>>  I have a hardware question. I recently purchased a scsi IOmega
>> REV
>> drive. Have it installed in Ubuntu Edgy. The drive has cartridges
>> that
>> hold 35GB natively! I didn't make any fstab entries for it, it
>> just came
>> up as /dev/cdrom-1, all was good. However, when doing my backups
>> to it,
>> I noticed that the tar files being cron'd to it were stopping at
>> 1GB. I
>> poked around in /proc/scsi and seen that the drive does get
>> detected as
>> a cdrom, don't know if this is a problem or can be changed. So,
>> instead
>> of just created my tar jobs to split the files, I was wondering
>> if this
>> behavior/detection can be changed via /etc/fstab. Any Ideas? TIA
>> _______________________________________________
>> nflug mailing list
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>>
>>     
>
>
> -- David J. Andruczyk
>
>
>  
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>   
df -T =

Filesystem    Type   1K-blocks      Used Available Use% Mounted on
/dev/sda2     ext3    99786356  19198528  75518920  21% /
varrun       tmpfs     1037508       200   1037308   1% /var/run
varlock      tmpfs     1037508         4   1037504   1% /var/lock
procbususb   usbfs       10240       116     10124   2% /proc/bus/usb
udev         tmpfs       10240       116     10124   2% /dev
devshm       tmpfs     1037508         0   1037508   0% /dev/shm
lrm          tmpfs     1037508     17580   1019928   2%
/lib/modules/2.6.17-10-generic/volatile
/dev/scd0      udf    34179904   2099312  32080592   7% /media/cdrom-1

bonnie++ -u root -s 1024 -r 512 -n 5 =

Version  1.03       ------Sequential Output------ --Sequential Input-
--Random-
                    -Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
--Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP 
/sec %CP
Wegman_Server    1G 41039  89 114785  23 23254   6 45100  89 1013303  81
+++++ +++
                    ------Sequential Create------ --------Random
Create--------
                    -Create-- --Read--- -Delete-- -Create-- --Read---
-Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP 
/sec %CP
                  5   417  91 +++++ +++  4123  90   416  91 +++++ +++ 
1356  91
Wegman_Server,1G,41039,89,114785,23,23254,6,45100,89,1013303,81,+++++,+++,5,417,91,+++++,+++,4123,90,416,91,+++++,+++,1356,91

I've never used bonnie b4, so if you could translate this into english,
that would be great. I got the command as an example on the web.

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