[ug-bosug] A brief review of Nexenta

[Joe G (Joseph George)]

Moinak,

What are the benefits of getting this I/O scheduler into 
Nevada/OpenSolaris?  Would  this be a good project for this community to 
attempt?

~Joe


Moinak Ghosh wrote:
> Sriram Narayanan wrote:
> 
>> Hi all:
>>
>> I decided to give Nexenta Live CD a spin. Here are my observations.
>>
>> 1. Inordinately long boot time.
>> After Belenix 0.4.3a's snappy boot up (LiveCD as well as hard disk
>> based), I was disappointed with NExenta's ~7 minute startup time.
> 
>   It's gonna snap quite a bit more. Yesterday I completed writing an I/O
>   scheduler for hsfs, the CDROM filesystem in OpenSolaris that is also
>   known as iso9660 filesystem on Linux.
> 
>   The I/O scheduler reorders I/O requests and combines adjacent requests
>   into a single one. On initial testing I am seeing a 20 second 
> reduction in
>   boot time. So Xfce boot takes 1 min 40 seconds on my ferrari laptop
>   with network enabled. It will be faster on a desktop since the Ferrari's
>   CDROM is really slow.
> 
>   I will try to explain this in layman's terms in the next Bosug meet. For
>   now I can say that this I/O scheduler implements C-LOOK + deadline
>   + I/O coalescing. C-LOOK is a variant of C-SCAN.
> 
>>
>> 2. Lack of easily available documentaion on the LiveCD
>> Neither at their site, nor on the console mode on the boot up mode.
> 
>   To be fair BeleniX also needs a bunch of docs on the CD though the
>   site and Wiki has docs.
> 
> Regards,
> Moinak.
> 
>>
>> 3. No information of the username/password required to log onto the 
>> LiveCD.
>>
>> Duh, I'll try the hard disk installer tomorrow.
>>
>> -- Ram
>> _______________________________________________
>> ug-bosug mailing list
>> List-Unsubscribe: mailto:ug-bosug-unsubscribe at opensolaris.org
>> List-Owner: mailto:ug-bosug-owner at opensolaris.org
>> List-Archives: http://www.opensolaris.org/jive/forum.jspa?forumID=54
> 
> 
> _______________________________________________
> ug-bosug mailing list
> List-Unsubscribe: mailto:ug-bosug-unsubscribe at opensolaris.org
> List-Owner: mailto:ug-bosug-owner at opensolaris.org
> List-Archives: http://www.opensolaris.org/jive/forum.jspa?forumID=54