Re: SSHD ( Hybrid drive ) cache pinning

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

 



Phillip Susi <psusi@xxxxxxxxxx> writes:

> Hybrid hard drives are coming to market ( I will soon have one for
> testing ) that use flash to cache the rotating media.  While the drive
> firmware will attempt to figure out what blocks you frequently access
> randomly ( not streaming IO ), and try to cache them in the flash,
> ATA8 does add commands to allow the OS to explicitly control what
> blocks are cached, and it should be in a better position to know what
> should be there than the heuristics in the drive firmware.
>
> Has there been any work done yet ( or even just design ) on
> implementing this in linux?

Have a look at this thread:
  http://www.gossamer-threads.com/lists/linux/kernel/2037810

Cheers,
Jeff
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux