On Fri, 12 Apr 2013, James Harper <[email protected]> wrote: > Disagree about the hardware raid comment. You say "most hardware RAID", but > if you consider the set of hardware RAID implementations that you would > actually use on a server, mdadm is pretty feature poor. In particular the > advantages of hardware RAID are:
Also Linux Software RAID doesn't have some of the problems that some hardware RAID has. For example on a HP DL-360 server some years ago I had terrible performance on SATA disks and had to upgrade to SAS. Linux Software RAID gives decent performance on SATA. > Does ZFS have any native support for battery or flash backed write cache? It has the ZIL and L2ARC which can both be on any type of fast storage, a NVRAM device would do. Recent versions of ZFS won't be totally broken if the ZIL is corrupted so that's a safe thing to do on NVRAM. -- My Main Blog http://etbe.coker.com.au/ My Documents Blog http://doc.coker.com.au/ _______________________________________________ luv-main mailing list [email protected] http://lists.luv.asn.au/listinfo/luv-main
