> On Feb 9, 2016, at 8:30 AM, Josh Fisher <[email protected]
> <mailto:[email protected]>> wrote:
>
>
> On 2/8/2016 5:42 PM, Dan Langille wrote:
>> Hello,
>>
>> I am working with an LTO-4 tape library. It has two drives but I plan to
>> write to only one for backups.
>>
>> I will backup to disk first, on another SD. Later, I will copy the jobs to
>> the tape library on this new SD
>> which is on another server. The copy jobs will be spooled to local SSD
>> before being written to tape.
>>
>> re
>> http://bacula-users.narkive.com/QRkTVfEz/typical-tape-write-performance
>> <http://bacula-users.narkive.com/QRkTVfEz/typical-tape-write-performance>
>>
>> Now what I'm thinking of is streaming multiple concurrent jobs to a single
>> drive
>
> Are the two servers on a 10G or better network? Unless the disk subsystem on
> the other SD is slow, it will likely stream close to the 1G max of 125 MB/s,
> since it will be essentially sequential reads. I'm not convinced that
> concurrency will gain anything.
No, it's a 1G network in my house.
--
Dan Langille - BSDCan / PGCon
[email protected] <mailto:[email protected]>
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