Re: SSD - TRIM command

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

 



tape drive = harddisk with only one head, the head can't move, only
the tape (disk/plate or any other name you want)

could we get back and answer the main question?
--------------------------
getting back to the first question, can MD support trim? yes/no/not
now/some levels and layouts only?


2011/2/21 Guy Watkins <linux-raid@xxxxxxxxxxxxxxxx>:
> } -----Original Message-----
> } From: linux-raid-owner@xxxxxxxxxxxxxxx [mailto:linux-raid-
> } owner@xxxxxxxxxxxxxxx] On Behalf Of Mikael Abrahamsson
> } Sent: Monday, February 21, 2011 9:02 PM
> } To: linux-raid@xxxxxxxxxxxxxxx
> } Subject: Re: SSD - TRIM command
> }
> } On Mon, 21 Feb 2011, Roberto Spadim wrote:
> }
> } > it can be used for badblock reallocation if harddisk have it a harddisk
> } > is near to NOR ssd with variable accesstime, if head is near sector to
> } > be read/write accesstime is small, if sector is far from head, access
> } > time increase (normaly <=1 disk revolution if head control system is
> } > good, for 7200rpm 1revolution is near to 8.33ms)
> }
> } Could we please stop this discussion. If you think HDDs should have this
> } kind of bad sector reallocation scheme, please go to the HDD manufacturers
> } and lobby to them. It is not on-topic for linux-raid ml.
> }
> } --
> } Mikael Abrahamsson    email: swmike@xxxxxxxxx
>
> What about tape drives?  :)
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-raid" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>



-- 
Roberto Spadim
Spadim Technology / SPAEmpresarial
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux