Date: Thu, 30 Aug 2007 16:32:31 +0300 From: Paulius Stakauskas <paulius.stakauskas@agservice.lt> To: John Cagle <jcagle@gmail.com> Cc: freebsd-proliant@freebsd.org Subject: Re: HP ProLiant DL385 G2 Server Message-ID: <46D6C6EF.90800@agservice.lt> In-Reply-To: <6863f0c90708300612s5917986dv70a132e35eb3a5d2@mail.gmail.com> References: <46D660D0.3020804@agservice.lt> <6863f0c90708300612s5917986dv70a132e35eb3a5d2@mail.gmail.com>
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John Cagle wrote: > You will see improved write performance on RAID5 if you install the > BBWC (Battery-backed write cache) option; but maybe you already have > that installed? > > On 8/30/07, Paulius Stakauskas <paulius.stakauskas@agservice.lt> wrote: > >> Hi, >> >> I'm running FreeBSD 6.2-RELEASE on this server. >> >> # dmesg|grep ciss >> ciss0: <HP Smart Array P400> port 0x4000-0x40ff mem >> 0xfde00000-0xfdefffff,0xfddf0000-0xfddf0fff irq 18 at device 0.0 on pci6 >> ciss0: [GIANT-LOCKED] >> da0 at ciss0 bus 0 target 0 lun 0 >> da1 at ciss0 bus 0 target 1 lun 0 >> >> # camcontrol devlist -v >> scbus0 on ciss0 bus 0: >> <COMPAQ RAID 1 VOLUME OK> at scbus0 target 0 lun 0 (pass0,da0) >> <COMPAQ RAID 5 VOLUME OK> at scbus0 target 1 lun 0 (pass1,da1) >> scbus1 on ciss0 bus 32: >> scbus-1 on xpt0 bus 0: >> < > at scbus-1 target -1 lun -1 (xpt0) >> >> For first everything seems to be fine, but the problem is while copying >> files from da0 to da1, take a look at the statistics: >> >> File: 635 MB >> >> copy from da0 to da1 = 58sec. >> copy from da1 to da0 = ~9sec. >> >> Is this normal or not? I know that it's RAID-5 but.., I think it takes >> too long to copy from da0 to da1. >> >> By the way: how to turn on those led's on the server? Because all of the >> "power supply, inter lock, over temp..." and so on are not working also >> "UID" is also off. >> > > > I have seen info about BBWC on HP. I haven't bought that server by myself, so I'm not sure at this time, but it wasn't included in base configuration as far as I know. How to check if it's installed or not?
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