Transfer Rate Disk Post: 302504485

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Top Forums UNIX for Dummies Questions & Answers Transfer Rate Disk Post 302504485 by karlochacon on Monday 14th of March 2011 05:55:22 PM

03-14-2011

Registered User

Transfer Rate Disk

hi guys

I have a linux server which has about 5 volumes from SAN (fiber channel) now I need to measure the transfer rate between one LUN which is a Logical Volume to another LUN which is another Logical Volume.

so basically this server has 5 LUNs from SAN
each SAN volume is a logical volume presented to linux

any tool to measure transfers rate (Megabytes per second)

so while I copy a file like 1 Terabyte I can get MB/second

thanks a lot

karlochacon

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LEARN ABOUT SUSE

sg_rdac

SG_RDAC(8)							     SG3_UTILS								SG_RDAC(8)

NAME

       sg_rdac - Display or Modify RDAC Redundant Controller Page

SYNOPSIS

       sg_rdac [-a] [-f=LUN] [-v] [-V] DEVICE

DESCRIPTION

       sg_rdac	displays  or modifies the RDAC controller settings via the Redundant Controller Page (0x2C). When modifying the settings it allows
       to transfer the ownership of individual drives to the controller the command was received on.

OPTIONS

       -a     Transfer all (visible) devices

       -f=LUN Transfer the device identified by LUN. This command will only work if the controller supports 'Dual Active Mode' (aka  active/active
	      mode).

       -v     be verbose

       -V     print version string then exit

EXIT STATUS

       The exit status of sg_rdac is 0 when it is successful. Otherwise see the sg3_utils(8) man page.

AUTHOR

       Written by Hannes Reinecke <hare at suse dot com>, based on sg_emc_trespass.

REPORTING BUGS

       Report bugs to <dgilbert at interlog dot com>.

COPYRIGHT

       Copyright (C) 2006-2007 Hannes Reinecke, Douglas Gilbert.
       This  software  is distributed under the GPL version 2. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
       POSE.

sg3_utils-1.23							   January 2007 							SG_RDAC(8)