This isn't true. IBMs IPS series controllers can the checked and configured via the ipssend utility that works very well in 2.6.x LINUX. "Scott Marlowe" <scott.marlowe@xxxxxxxxx> wrote: >On Thu, Dec 24, 2009 at 11:09 AM, Richard Neill <rn214@xxxxxxxxx> wrote: >> >> >> Jeremy Harris wrote: >>> >>> On 12/24/2009 05:12 PM, Richard Neill wrote: >>>> >>>> Of course, with a server machine, it's nearly impossible to use mdadm >>>> raid: you are usually compelled to use a hardware raid card. >>> >>> Could you expand on that? >> >> Both of the last machines I bought (an IBM X3550 and an HP DL380) come with >> hardware raid solutions. These are an utter nuisance because: >> >> - they can only be configured from the BIOS (or with a >> bootable utility CD). Linux has very basic monitoring tools, >> but no way to reconfigure the array, or add disks to empty >> hot-swap slots while the system is running. >> >> - If there is a Linux raid config program, it's not part of the >> main packaged distro, but usually a pre-built binary, available >> for only one release/kernel of the wrong distro. >> >> - the IBM one had dodgy firmware, which, until updated, caused the >> disk to totally fail after a few days. >> >> - you pay a lot of money for something effectively pointless, and >> have less control and less flexibility. >> >> After my experience with the X3550, I hunted for any server that would ship >> without hardware raid, i.e. connect the 8 SATA hotswap slots direct to the >> motherboard, or where the hardware raid could be de-activated completely, >> and put into pass-through mode. Neither HP nor IBM make such a thing. > >Yep. And that's why I never order servers from them. There are >dozens of reputable white box builders (I use Aberdeen who give me a 5 >year all parts warranty and incredible customer service, but there are >plenty to choose from) and they build the machine I ask them to build. > For hardware RAID I use Areca 1680 series, and they also provide me >with machines with software RAID for lighter loads (slave dbs, >reporting dbs, and stats dbs) > >-- >Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) >To make changes to your subscription: >http://www.postgresql.org/mailpref/pgsql-performance -- Message composed using K-9 mail on Android. Apologies for improper reply quoting (not supported) by client. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
