Re: Write-intent bitmap decreases or increase performance of RAID5?

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

 



On Wed, 30 Jun 2010, Roman Mamedov wrote:

 dd if=/dev/zero of=zerofile bs=1M count=2048 conv=fdatasync,notrunc

To be a bit more sure about accurate measurement, make sure the amount of data you're transferring is twice the amount of RAM in the machine, the above is only 2 gigs of data.

--
Mikael Abrahamsson    email: swmike@xxxxxxxxx
--
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