Re: mdadm raid5 with lvm: advantages?

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

 



Dne 11.1.2011 15:06, Richard Grundy napsal(a):
> Hi,
> 
> I'm building a new RAID5 array (of 5 1.5 TB drives) with mdadm and
> would like to know the benefits of creating an LVM on top of this are
> instead of just creating the filesystem on the md directly. I've never
> had a problem growing the array and then resizing the filesystem
> before and wondered if in this situation the only gain would be lvm
> snapshot stuff? I'm planning to use ext4 for this array, if that makes
> any difference.
> 
> Thanks in advanced,
> 
> Rich
> --
> 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

Really depends on your needs..

It makes sense to use LVM for virtualization and iSCSI to get rid of big
file images (unwanted fs overhead/fragmentation). But yes, in some use
cases this is OK.

If you don't need snapshots or whatever LVM feature, then go the
simplest way - no LVM.

HTH, Z.
--
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