Date: Fri, 18 Jan 2013 14:45:10 -0800 From: Matthew Jacob <mj@feral.com> To: freebsd-hackers@freebsd.org Subject: Re: IBM blade server abysmal disk write performances Message-ID: <50F9D076.7000404@feral.com> In-Reply-To: <50F9C597.7010608@gmail.com> References: <CAA3ZYrB%2B4LU=YRQsvYB19sE9ywjejyP7Gc4j8fpTGx2LaZm4kw@mail.gmail.com> <50F87741.4030201@gmail.com> <op.wq34qcdk34t2sn@markf.office.supranet.net> <50F9C597.7010608@gmail.com>
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> > mpt0: <LSILogic SAS/SATA Adapter> port 0x1000-0x10ff mem > 0x99910000-0x99913fff,0x99900000-0x9990ffff irq 28 at device 0.0 on pci11 > mpt0: MPI Version=1.5.20.0 > mpt0: Capabilities: ( RAID-0 RAID-1E RAID-1 ) > mpt0: 0 Active Volumes (2 Max) > mpt0: 0 Hidden Drive Members (14 Max) Ah. Historically IBM systems (the 335, for one) have been very slow with the Integrated Raid software, at least on FreeBSD.
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