kalin m wrote:
megarc, right... read about it.. here:
# megarc -AllAdpInfo help
usage :
cmd -AllAdpInfo
: prints info of all cards
..... ok .....
# megarc -AllAdpInfo
**********************************************************************
MEGARC MegaRAID Configuration
Utility(FreeBSD)-1.04(03-02-2005) By LSI Logic Corp.,USA
**********************************************************************
[Note: For SATA-2, 4 and 6 channel controllers, please specify
Ch=0 Id=0..15 for specifying physical drive(Ch=channel, Id=Target)]
Type ? as command line arg for help
No Adapters Found
Error: No MegaRaid Found
?!?!?! does that mean that there is no raid? why then the df output?
the machine is supposed to have 4 250gig SAS drives.
Its more likely that megarc doesnt support the newer controllers which
is a shame. you might have more luck with sysutils/linux-megacli since
that explicitly mentions LSI MegaRAID SAS, I wish they would make the
util open source though. Will mean you need the linux-base port
installed and linux.ko loaded.
A RAID1 config shoudl suit a busy webserver well.
Vicne
thanks...
Vince Hoffman wrote:
kalin m wrote:
hi all...
a hosting facility build a new dedicated server for me and looking at
the dmesg i see:
mfi0: <LSI MegaSAS 1078> port 0xec00-0xecff mem
0xfc480000-0xfc4bffff,0xfc440000-0xfc47ffff irq 16 at device 0.0 on pci1
mfi0: Megaraid SAS driver Ver 2.00
for df i get:
Filesystem Size Used Avail Capacity Mounted on
/dev/mfid0s1a 496M 197M 259M 43% /
devfs 1.0K 1.0K 0B 100% /dev
/dev/mfid0s1e 496M 12K 456M 0% /tmp
/dev/mfid0s1f 661G 636M 608G 0% /usr
/dev/mfid0s1d 8.7G 1.4M 8.0G 0% /var
i asked for raid1. i cant find too much information about the mfi
driver. just that it works with freebsd 7.
you might want to look at sysutils/megarc and possibly
sysutils/linux-megamgr so you can more closely monitor/investigate
your array.
Vince
i'll keep looking but - has anybody successfully deployed production
servers using the LSI MegaSAS 1078 in RAID1 on a very busy web server?
is there any loss in performance using that hardware in RAID1?
any performance loss in RAID1 at all?
thanks...
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