Incredibly slow firewire transfer rate
Hi fellas
my firewire drive (formatted ext3) has an incredibly slow 2MB/s transfer rate?
Is this normal? Anything I can do about it?
Cippa Lippa
I have a FireWire 400 HD, it has a JMicron chipset (pretty generic but works great). I worked wonderfully on Leopard without a single glitch ever.
Now, after upgrading to SL, I experience the same as you and the drive is not responding well, hanging constantly and experiencing really slow transfer rates, that make it unusable (all applications that try to open something from it eventually hang). It's not a temporary glitch, even after several reboots and connecting/disconnecting the drive. The same drive under USB2 (it also has USB2 interface) works perfect (but I really want my firewire back).
I hope Apple fixes it! Definitely a bug.
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BeliarusI have a FireWire 400 HD, it has a JMicron chipset (pretty generic but works great). I worked wonderfully on Leopard without a single glitch ever.
Now, after upgrading to SL, I experience the same as you and the drive is not responding well, hanging constantly and experiencing really slow transfer rates, that make it unusable (all applications that try to open something from it eventually hang). It's not a temporary glitch, even after several reboots and connecting/disconnecting the drive. The same drive under USB2 (it also has USB2 interface) works perfect (but I really want my firewire back).
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Hello,
First, please see my system information at the bottom of this message.
I have a MSI KT3 Ultra ARU motherboard and have installed a Maxtor ATA133 60GB hard drive with 2 MB cache. The hard drive is jumpered as Master and is connected all by itself on the IDE1 ribbon cable. On IDE2 I have a CDRW (Master) and a CD-ROM (Slave). My other hard drive (WD 120GB ATA100 8 MB cache) is on IDE3 and is set up in RAID 1+0 stripe.
I recently ran the Sandra file system benchmark on my hard drives with what I think are very discouraging results. My Maxtor drive on IDE1 scored 32 MB/s and my WD drive on IDE3 came in at 23 MB/s. Those are some stinky results aren’t they?
I checked my Device Manager under IDE ATA/ATAPI Controllers and it indicates that for my Primary IDE Channel the current transfer mode for device 0 is Ultra DMA Mode 6. I don’t know how to check the transfer mode on my IDE3 hard drive.
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Question #2: If these results are slow, how can I increase the transfer rates?
Please help!
Thank you!!!!
My System
AMD Athlon XP 3000+
MSI KT3 Ultra ARU MOBO
2 x 256MB DDR PC2700 SDRAM
ATI Radeon 9600XT 256MB
Western Digital WD1200JB 120GB Caviar HD ATA100 8MB Cache 1+0 Stripe/RAID0
Maxtor 6Y060L0 60GB HD ATA133
Pioneer DR-A04S CD-ROM 32X
Lite-On LTR-48125W 48x12x48 CDRW
TTGI TT-350SS (350W) Power Supply
PSU Ratings: +3.3V/28A +5V/35A +12V/16A
Windows XP Home SP2These tranfer rates seem fine for sequential read rates. The maxtor drive is at mode 6 and the WD should be at mode 5 if its ATA100.
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net.core.wmem_max = 16777216
# increase Linux autotuning TCP buffer limits
# min, default, and max number of bytes to use
# (only change the 3rd value, and make it 16 MB or more)
net.ipv4.tcp_rmem = 4096 87380 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216
# recommended to increase this for 10G NICS
net.core.netdev_max_backlog = 30000
# these should be the default, but just to be sure
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_sack = 1
in /etc/sysctl.conf but to no avail.
So either there is no problem with the max window size setting, or the Linux kernel ignores it (maybe because /proc is no longer supported?).
Thanks for any neat ideas.
Last edited by Vena (2012-06-01 21:48:14)Bump? No ideas whatsoever?
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my specification
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Quote
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Hello,
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Message was edited by: LavantiosHello and Welcome to Apple Discussions...
Have you tried booting from the Snow Leopard disk, running Disk Utility and checking the startup disk for errors? If not...
Insert your install disk and Restart, holding down the "C" key until grey Apple appears.
Go to Installer menu and launch Disk Utility.
Select your HDD (manufacturer ID) in the left panel.
Select First Aid in the Main panel.
*(Check S.M.A.R.T Status of HDD at the bottom of right panel. It should say: Verified)*
Click Repair Disk on the bottom right.
If DU reports disk does not need repairs quit DU and restart.
If DU reports errors Repair again and again until DU reports disk is repaired.
When you are finished with DU, from the Menu Bar, select Utilities/Startup Manager.
Select your start up disk and click Restart
While you have the Disk Utility window open, look at the bottom of the window. Where you see Capacity and Available. Make sure there is always 10% to 15% free disk space
If the startup disk appears to be ok and there's enough free disk space, try running the Apple Hardware Test
If the AHT doesn't report any problems...
experience some strange behaviour - Flash would repeatedly crash
Try uninstalling the reinstalling a new copy of flash then repair disk permissions.
Uninstall Flash
Install Flash
Carolyn -
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alright
have time capsule with dual networks, macbook pro with n enabled connected to 5ghz network with full bars, yet while copying files to the time capsule, it seems slow
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In the Manual Setup->Advanced->Logs and Statistics page of Airport Utility you'll find information on wireless signal quality for each client connected. Primarily, signal quality will determine the connection speed of your file transfers, the best you can do to improve things is to find a wireless channel with the least interference, Manual Setup->Wireless.
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I'm trying to transfer files from the hard drive to my new iMac and the transfer rate is painfully slow. They are files from my old MacBook which I sold last week.
When the disc is not mounted, it seems to function normally - it's blue indicator light is consistently on and it sounds right. However, when I mount the disc and begin using it - in this instance to transfer files, it goes extremely slow. The blue light will mostly remain off, then interminnently flash on and onscreen a small amount of data will move.
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Hi!
I've installed Solaris 10 x86 (Core2Duo - x64) server, with Samba over ZFS RAID-Z. Samba is a part of Active Directory Domain. I've managed to join it to domain, to get the users and groups from A.D. and to translate them to Unix IDs. Everything works really good. Samba is installed from the packages from Solaris 10 DVD.
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Please help!OK, here goes my smb.conf:
[global]
workgroup = MYCOMPANY
realm = MYCOMPANY.LOCAL
server string = server4 (Samba, Solaris 10)
security = ADS
map to guest = Bad User
obey pam restrictions = Yes
password server = server1.mycompany.local
passdb backend = tdbsam
log file = /var/samba/log/log.%m
max log size = 50
socket options = TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE
load printers = No
local master = No
domain master = No
dns proxy = No
idmap uid = 10000-90000
idmap gid = 10000-90000
winbind separator = +
winbind enum users = Yes
winbind enum groups = Yes
winbind use default domain = Yes
[share]
comment = Share on ZFS Raid-Z
path = /tank/share
force user = local_user
force group = users
read only = No
guest ok = Yes
vfs objects = zfsacl
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