On Wed, Jul 22, 2009 at 4:49 PM, Bob Hetzel<beh AT case DOT edu> wrote:
>
>
> John Drescher wrote:
>>
>> On Wed, Jul 22, 2009 at 3:30 PM, Bob Hetzel<beh AT case DOT edu> wrote:
>>>
>>> Has anybody tinkered around with spooling backups on an SSD (aka solid
>>> state drive) or a raid-0 pair of them for higher performance?
>>>
>>
>> I spool to a 4 drive sata raid 0 but since I only have a single
>> gigabit nic connection the file system performance is not the limiting
>> factor.
>>
>> John
>
> I'm trying to set up an LTO-3/LTO-4 setup and modern fast (15k rpm)
> conventional hard drives are > $500 each though it seems.
>
> For LTO-2 and below this is far cheaper since the tape drive speeds are so
> much lower but I'd like to keep the tape drive writing at > 60 MB/sec.  In
> addition I'd like to keep concurrency up so one slow backup doesn't drag the
> prolong the others as badly.
>
How about 2 to 4 150 or 300GB velociraptors in raid 0.

http://www.wdc.com/en/products/products.asp?driveid=459

The 300GB models are around $200 USA. Much faster than a 7200RPM sata
drive especially when it comes to seeks.

For SSD it will be very expensive to do that unless you have a small
spool area.

-- 
John M. Drescher

------------------------------------------------------------------------------
_______________________________________________
Bacula-users mailing list
Bacula-users AT lists.sourceforge DOT net
https://lists.sourceforge.net/lists/listinfo/bacula-users